Penerbitan Berimpak Tinggi

hasrul nisham rosly, kazi sajedur rahman, siti fazlili abdullah, muhammad najib harif, camellia doroody, puvaneswaran chelvanathan, halina misran, kamaruzzaman sopian, nowshad amin.  (2021).  the role of deposition temperature in the photovoltaic properties of rf-sputtered cdse thin films.  - crystals.  1-13. 

zeki ahmed darwish, kamaruzzaman sopian, ahmad fudholi.  (2021).  reduced output of photovoltaic modules due to different types of dust particles.  - journal of cleaner production.  1-16. 

ammar m. abdulateef, marek jaszczur, qusay hassan, r anish, hakeem niyas, kamaruzzaman sopian, jasim abdulateef.  (2021).  enhancing the melting of phase change material using a fins nanoparticle combination in a triplex tube heat exchanger.  - journal of energy storage.  1-14. 

refat moshery, tan yong chai, kamaruzzaman sopian, ahmad fudholi , ali h. a. al-waeli.  (2021).  thermal performance of jet-impingement solar air heater with transverse ribs absorber plate.  - solar energy.  355-366. 

a.m.elbreki, f. muftah, k. sopian, h. jarimi, a. fazlizan, a. ibrahim.  (2021).  experimental and economic analysis of passive cooling pv module using fins and planar reflector.  - case studies in thermal engineering.  1-8. 

nilofar asim , marzieh badiei, mohammad torkashvand, masita mohammad , mohammad a. alghoul , shawkat s. gasaymeh, kamaruzzaman sopian.  (2021).  wastes from the petroleum industries as sustainable resource materials in construction sectors: opportunities, limitations, and directions.  - journal of cleaner production.  1-14. 

fairuz suzana mohd chachuli, sohif mat, norasikin ahmad ludin, kamaruzzaman sopian.  (2021).  performance evaluation of renewable energy r&d activities in malaysia.  - renewable energy.  544-560. 

kamaruzzaman sopian, ali h a alwaeli, hussein a kazem.  (2020).  advanced photovoltaic thermal collectors.  - journal of process mechanical engineering.  206-213. 

ali h.a. al-waeli, hussein a. kazem , jabar h. yousif, miqdam t. chaichan, k. sopian.  (2020).  mathematical and neural network modeling for predicting and analyzing of nanofluid-nano pcm photovoltaic thermal systems performance.  - renewable energy.  963-980. 

mohammad yacoub al shdaifat, rozli zulkifli, kamaruzzaman sopian, abeer adel salih.  (2020).  thermal and hydraulic performance of cuo water nanofluids: a review.  - micromachines.  1-19. 

a.m. elbreki, k. sopian, a. fazlizan, a. ibrahim.  (2020).  an innovative technique of passive cooling pv module using lapping fins and planner reflector.  - case studies in thermal engineering.  1-8. 

hussein a. kazem, miqdam t. chaichan, ali h.a. al-waeli, k. sopian.  (2020).  a novel model and experimental validation of dust impact on grid-connected photovoltaic system performance in northern oman.  - solar energy.  564-578. 

kamaruzzaman sopian, ali h.a. al-waeli, hussein a. kazem.  (2020).  energy, exergy and efficiency of four photovoltaic thermal collectors with different energy storage material.  - journal of energy storage.  1-10. 

samiya mahjabin, md. mahfuzul haque, k. sobayel, m. s. jamal, m. a. islam, v. selvanathan, abdulaziz k. assaifan, hamad f. alharbi, k. sopian, n. amin, md. akhtaruzzaman.  (2020).  perceiving of defect tolerance in perovskite absorber layer for efficient perovskite solar cell.  - ieee access.  10634-10653. 

ahmed zayed al shaqsi, kamaruzzaman sopian, amr al-hinai.  (2020).  review of energy storage services, applications, limitations, and benefits.  - energy reports.  288-306. 

n. azmi, p. chelvanathan, y. yusoff, s.a. shahahmadi, s.k. tiong, k. sopian, n. amin.  (2020).  a comprehensive study on the effects of alternative sulphur precursor on the material properties of chemical bath deposited cds thin films.  - ceramics international.  18716-18724. 

amin shahsavar, hossein moayedi, ali h. a. al-waeli, kamaruzzaman sopian, puvaneswaran chelvanathan.  (2020).  machine learning predictive models for optimal design of building-integrated photovoltaic-thermal collectors.  - international journal of energy research.  5675-5695. 

vidhya selvanathan, rosiyah yahya, mohd hafidz ruslan, kamaruzzaman sopian, nowshad amin, majid nour, hatem sindi, muhyaddin rawa,md. akhtaruzzaman.  (2020).  organosoluble starch-cellulose binary polymer blend as a quasi-solid electrolyte in a dye-sensitized solar cell.  - polymer.  1-17. 

a. k. mahmud hasan, k. sobayel, itaru raifuku, yasuaki ishikawa, md. shahiduzzaman, majid nour, hatem sindi, k. sopian, n. amin, md. akhtaruzzaman.  (2020).  optoelectronic properties of electron beam-deposited niox thin films for solar cell application.  - results in physics.  1-9. 

h.ahmoum, p.chelvanathan, m.s.su'ait, m.boughrara, g.li, ali h.a.al-waeli, k.sopian, m.kerouad, n.amin.  (2020).  impact of preheating environment on microstructural and optoelectronic properties of cu2znsns4 (czts) thin films deposited by spin-coating.  - superlattices and microstructures.  1-8. 

nilofar asim, mohamad hassan amin, nurul asma samsudin, marzieh badiei, halim razali, md akhtaruzzaman, nowshad amin, kamaruzzaman sopian.  (2020).  development of effective and sustainable adsorbent biomaterial from an agricultural waste material: cu(ii) removal.  - materials chemistry and physics.  1-11. 

hussein a. kazem, miqdam t. chaichan, ali h.a. al-waeli, k. sopian.  (2020).  a review of dust accumulation and cleaning methods for solar photovoltaic systems.  - journal of cleaner production.  1-22. 

hussein a. kazem, miqdam t. chaichan, ali h.a.alwaeli, k sopian.  (2020).  evaluation of aging and performance of grid connected photovoltaic system northern oman: seven years experimental study.  - solar energy.  1247-1258. 

k.sobayel, m.shahinuzzam, n.amin m.r.karime m.a.dare r.gul, m.a.alghoul, k.sopian, a.k.m.hasan, md.akhtaruzzaman.  (2020).  efficiency enhancement of cigs solar cell by ws2as window layer throughnumerical modelling tool.  - solar energy.  479-485. 

a. k. mahmud hasan, itaru raifuku, n. amin, yasuaki ishikawa, d. k. sarkar, k. sobayel, mohammad r. karim, anwar ul-hamid, h. abdullah, md. shahiduzzaman, yukiharu uraoka, kamaruzzaman sopian, md. akhtaruzzaman.  (2020).  air-stable perovskite photovoltaic cells with low temperature deposited niox as an efficient hole-transporting material.  - optical materials express.  1801-1816. 

m. shahinuzzaman, zahira yaakob, farah hannan anuar, parul akhtar, n. h. a. kadir, a. k. mahmud hasan, k. sobayel, majid nour, hatem sindi, nowshad amin, k. sopian, md. akhtaruzzaman.  (2020).  in vitro antioxidant activity of ficus carica l. latex from 18 different cultivars.  - scientific reports.  1-14. 

m.t. ferdaous, s.a. shahahmadi, p. chelvanathan, md. akhtaruzzaman, f.h. alharbid, k. sopian, s.k. tiong, n. amin.  (2019).  elucidating the role of interfacial mos2 layer in cu2znsns4 thin film solar cells by numerical analysis.  - solar energy. 

nilofar asim, mohammad alghoul, masita mohammad, mohamad hassan amin, m.akhtaruzzaman, nowshad amin, kamaruzzaman sopian.  (2019).  emerging sustainable solutions for depollution: geopolymers.  - construction and building materials. 

ali h.a. alwaeli, hussein a. kazem, jabar h. yousif, miqdam t. chaichan, kamaruzzaman sopian.  (2019).  mathematical and neural network models for predicting the electrical performance of a pvt system.  - international journal of energy research.  8100-8171. 

ejarder sabbir hossain, puvaneswaran chelvanathan, seyed ahmad shahahmadi, badariah bais, md. akhtaruzzaman, sieh kiong tiong, kamaruzzaman sopian, nowshad amin.  (2019).  fabrication of cu2sns3 thin film solar cells by sulphurization of sequentially sputtered sn/cusn metallic stacked precursors.  - solar energy. 

ahmad fudholi, muhammad zohri, nurul shahirah binti rukman, nurul syakirah nazri, muslizainun mustapha, chan hoy yen, masita mohammad, kamaruzzaman sopian.  (2019).  exergy and sustainability index of photovoltaic thermal (pvt) air collector: a theoretical and experimental study.  - renewable and sustainable energy reviews. 

wen-tong chong, wan khairul muzammil, hwai-chyuan ong, kamaruzzaman sopian, mohammed gwani, ahmad fazlizan, sin-chew poh.  (2019).  performance analysis of the deflector integrated cross axis wind turbine.  - renewable energy.  675-690. 

ammar, a.a., sopian, k., alghoul, m.a., elhub, b., elbreki, a.m..  (2019).  performance study on photovoltaic/thermal solar-assisted heat pump system.  - journal of thermal analysis and calorimetry. 

kamaruzzaman sopian, ali h. a. alwaeli, ali najah al-shamani, a. m. elbreki.  (2019).  thermodynamic analysis of new concepts for enhancing cooling of pv panels for grid-connected pv systems.  - journal of thermal analysis and calorimetry. 

ali h.a. alwaeli, k. sopian, jabar h. yousif, hussein a. kazem, john boland, miqdam t. chaichan.  (2019).  artificial neural network modeling and analysis of photovoltaic thermal system based on the experimental study.  - energy conversion and management. 

a.a. lahimer, k. sopian, a.a. razak, m.h. ruslan. a. alghoul.  (2019).  experimental investigation on the performance of solar chimney for reduction of vehicle cabin soak temperature.  - applied thermal engineering.  247-260. 

ahmad fudholi, kamaruzzaman sopian.  (2019).  a review of solar air flat plate collector for drying application.  - renewable and sustainable energy reviews. 

raheem k. ajeel, w.s.i. salim , k. sopian, m.z. yusoff, khalid hasnan, adnan ibrahim ali, h.a. alwaeli.  (2019).  turbulent convective heat transfer of silica oxide nanofluid through corrugated channels: an experimental and numerical study.  - international journal of heat and mass transfer.  1-15. 

nurul nazli rosli, mohd adib ibrahim, norasikin ahmad ludin, mohd asri mat teridi, kamaruzzaman sopian.  (2019).  a review of graphene based transparent conducting films for use in solar photovoltaic applications.  - renewable and sustainable energy reviews. 

ahmad fudholi, nur farhana mohd razali, mohammad h.yazdi, adnan ibrahim, mohd hafidz ruslan, mohd yusof othman, kamaruzzaman sopian.  (2019).  tio2/water-based photovoltaic thermal (pvt) collector: novel theoretical approach.  - energy.  305-314. 

m.s jamal, s.a. shahahmadi, p. chelvanathana, hamad f. alharbid, mohammad r. karim, mushtaq ahmad dar, monis luqman, nabeel h. alharthi, yahya s. al-harthi, m. aminuzzaman, nilofar asim, k. sopian, s.k. tiong, nowshad amin, md. akhtaruzzaman.  (2019).  effects of growth temperature on the photovoltaic properties of rf sputtered undoped nio thin films.  - results in physics.  1-7. 

nilofar asim, mohamad hassan amin, m.a. alghoul, marzieh badiei, masita mohammad, shawkat s. gasaymeh, nowshad amin, kamaruzzaman sopian.  (2019).  key factors of desiccant-based cooling systems: materials.  - applied thermal engineering.  1-9. 

masoud afrand, amin shahsavar, pouyan talebizadeh sardari, kamaruzzaman sopian, hamzeh salehipour.  (2019).  energy and exergy analysis of two novel hybrid solar photovoltaic geothermal energy systems incorporating a building integrated photovoltaic thermal system and an earth air heat exchanger system.  - solar energy.  83-95. 

nur ifthitah mustafa, norasikin ahmad ludin, norani muti mohamed, mohd adib ibrahim, mohd asri mat teridi, suhaila sepeai, azami zaharim, kamaruzzaman sopian.  (2019).  environmental performance of window-integrated systems using dye sensitised solar module technology in malaysia.  - solar energy.  379-392. 

nurul syakirah nazri, ahmad fudholi, wan mustafa, chan hoy yen, masita mohammad, mohd hafidz ruslan, kamaruzzaman sopian.  (2019).  exergy and improvement potential of hybrid photovoltaic thermal/thermoelectric (pvt/te) air collector.  - renewable and sustainable energy reviews.  132-144. 

ali h.a. al-waeli, miqdam t. chaichan, k. sopian, hussein a. kazem, hameed b. mahood, anees a. khadom.  (2019).  modeling and experimental validation of a pvt system using nanofluid coolant and nano-pcm.  - solar energy.  178-191. 

a.a. razak, z.a.a. majid, f. basrawi, a.f. sharol, m.h. ruslan, k. sopian.  (2019).  a performance and technoeconomic study of different geometrical designs of compact single-pass cross-matrix solar air collector with square-tube absorbers.  - solar energy.  314-330. 

m.a. alghoul, s.a. shahahmadi, bita yeganeh, nilofar asim, a.m. elbreki, k. sopian, s.k. tiong, n. amin.  (2018).  a review of thermoelectric power generation systems: roles of existing test rigs/ prototypes and their associated cooling units on output performance.  - energy conversion and management. 

kok hoe wong, wen tong chong, nazatul liana sukiman, yui-chuin shiah, sin chew poh, kamaruzzaman sopian, wei-cheng wang.  (2018).  experimental and simulation investigation into the effects of a flat plate deflector on vertical axis wind turbine.  - energy conversion and management.  109-125. 

husam abdulrasool hasan, kamaruzzaman sopian, ahmad fudholi.  (2018).  photovoltaic thermal solar water collector designed with a jet collision system.  - energy. 

ahmad fudholi, muhammad zohri, goh li jin, adnan ibrahim, chan hoy yen, mohd yusof othman, mohd hafidz ruslan & kamaruzzaman sopian.  (2018).  energy and exergy analyses of photovoltaic thermal collector with v-groove.  - solar energy.  742-750. 

a.a. lahimer, m.a. alghoul, k. sopian, n.g. khrit.  (2018).  potential of solar reflective cover on regulating the car cabin conditions and fuel consumption.  - applied thermal engineering. 

nurul syakirah nazri, ahmad fudholi, bardia bakhtyar, can hoy yen, adnan ibrahim, mohd hafidz ruslan, sohif mat, kamaruzzaman sopian.  (2018).  energy economic analysis of photovoltaic-thermal-thermoelectric (pvt-te) air collectors.  - renewable and sustainable energy reviews. 

towhid h. chowdhury, ryuji kaneko, md. emrul kayesh, md. akhtaruzzaman, kamaruzzaman bin sopian, jae-joon lee, ashraful islam.  (2018).  nanostructured niox as hole transport material for low temperature processed stable perovskite solar cells.  - materials letters.  109-111. 

m.yahya, hendriwan fahmi, ahmad fudholi, kamaruzzaman sopian.  (2018).  performance and economic analyses on solar-assisted heat pump fluidised bed dryer integrated with biomass furnace for rice drying.  - solar energy. 

m.s. jamala, m.s. bashar, a.k. mahmud hasan, zeyad a. almutairi, hamad f. alharbi, nabeel h. alharthi, mohammad r. karim, h. misran, nowshad amin, kamaruzzaman bin sopian, md. akhtaruzzaman.  (2018).  fabrication techniques and morphological analysis of perovskite absorber layer for high-efficiency perovskite solar cell: a review.  - renewable and sustainable energy reviews. 

ammar m. abdulateef, sohif mat, jasim abdulateef, kamaruzzaman sopian, abduljalil a. al-abidia.  (2018).  geometric and design parameters of fins employed for enhancing thermal energy storage systems: a review.  - renewable and sustainable energy reviews.  1620-1635. 

norasikin ahmad ludin, nur ifthitah mustafa, marlia m. hanafiah, mohd adib ibrahim, mohd asri mat teridi, suhaila sepeai, azami zaharim, kamaruzzaman sopian.  (2018).  prospects of life cycle assessment of renewable energy from solar photovoltaic technologies: a review.  - renewable and sustainable energy reviews. 

ameen m. ali, yulisa yusoff, lamya m. ali, halina misran, md. akhtaruzzaman, mohammad a. alghoul, kamaruzzaman sopian, shahidan radiman, nowshad amin.  (2018).  synthesis of sphere-like-crystal cds powder and thin films using chemical residue in chemical bath deposition (cbd) for thin film solar cell application.  - solar energy. 

ammar m. abdulateef, jasim abdulateef, sohif mat, kamaruzzaman sopian, bashir elhub, munther abdullah mussa.  (2018).  experimental and numerical study of solidifying phase-change material in a triplex-tube heat exchanger with longitudinal/triangular fins.  - international communications in heat and mass transfer.  73-84. 

ali najah al-shamani, m.a. alghoul, a.m. elbreki, a.a. ammar , azher m. abed, k. sopian.  (2018).  mathematical and experimental evaluation of thermal and electrical efficiency of pvt collector using different water based nano-fluids.  - energy.  770-792. 

n. samsudin, m.t. ferdaous, s.a. shahahmadi, s.n. mustafa, md. akhtaruzzaman, k. sopian, p. chelvanathan, n. amin.  (2018).  deposition and characterization of rf-sputtered-ta2o5 thin films for o2 reduction reaction in polymer electrolyte membrane fuel cells (pemfc).  - optik - international journal for light and electron optics. 

m.t. ferdaous, p. chelvanathan, s.a. shahahmadi, m.m.i. sapeli , k. sopian, n. amin.  (2018).  compositional disparity in cu2znsns4 (czts) thin film deposited by rf-sputtering from a single quaternary compound target.  - materials letters. 

mohsen shayestegan, mohammad shakeri, hamza abunima, s.m. salim reza, m. akhtaruzzaman, badariah bais, sohif mat, kamaruzzaman sopian, nowshad amin.  (2018).  an overview on prospects of new generation single-phase transformerless inverters for grid-connected photovoltaic (pv) systems.  - renewable & sustainable energy reviews.  515-530. 

mohammad shakeri, mohsen shayestegan, s.m. salim reza, iskandar yahya, badariah bais, md akhtaruzzaman, kamaruzzaman sopian, nowshad amin.  (2018).  implementation of a novel home energy management system (hems) architecture with solar photovoltaic system as supplementary source.  - renewable energy.  108-120. 

p. chelvanathan, s.a. shahahmadi, m.t. ferdaous, m.m.i. sapeli , k. sopian , n. amin.  (2018).  controllable formation of mos2 via preferred crystallographic orientation modulation of dc-sputtered mo thin film.  - materials letters.  174-177. 

ali.f. muftah, k. sopian,m.a. alghoul.  (2018).  performance of basin type stepped solar still enhanced with superior design concepts.  - desalination.  198-209. 

ali h.a. al-waelia, k. sopian, hussein a. kazem, jabar h. yousif, miqdam t. chaichan, adnan ibrahim, sohif mat, mohd hafidz ruslan.  (2018).  comparison of prediction methods of pv/t nanofluid and nano-pcm system using a measured dataset and artificial neural network.  - solar energy.  378-396. 

m.m.i. sapeli, m.t. ferdaous, s.a. shahahmadi, k. sopian, p. chelvanathan , n. amin.  (2018).  effects of cr doping in the structural and optoelectronic properties of cu2znsns4 (czts) thin film by magnetron co-sputtering.  - materials letters.  22-25. 

s.s.s. baljit, h. y. chan, v.a. audwinto, s.a. hamid, ahmad fudholi, s.h. zaidi, m.y. othman, k. sopian.  (2017).  mathematical modelling of a dual-fluid concentrating photovoltaic thermal (pv-t) solar collector.  - renewable energy.  1258-1271. 

nur ezyanie safie,norasikin ahmad ludin, norul hisham hamid, paridah md. tahir, mohd asri mat teridi, suhaila sepeai, mohd adib ibrahim, and kamaruzzaman sopian.  (2017).  electron transport studies of dye-sensitized solar cells based on natural sensitizer extracted from rengas (gluta spp.) and mengkulang (heritiera elata) wood..  - bioresources.  9227-9243. 

m.b. azwan, a.l. norasikin, k. sopian, s. abd rahim, k. norman, k. ramdhan, d. solah.  (2017).  assessment of electric vehicle and photovoltaic integration for oil palm mechanisation practise.  - journal of cleaner production.  1365-1375. 

ali h.a. al-waeli, miqdam t. chaichan, hussein a. kazem, k. sopian.  (2017).  comparative study to use nano-(al2o3, cuo, and sic) with water to enhance photovoltaic thermal pv/t collectors.  - energy conversion and management.  963-973. 

p. chelvanathan, s.a. shahahmadi, f. arith, k. sobayel, m. aktharuzzaman, k. sopian, f.h. alharbi, n. tabet, n. amin.  (2017).  effects of rf magnetron sputtering deposition process parameters on the properties of molybdenum thin films.  - thin solid films.  213-219. 

ahed hameed jaaz, husam abdulrasool hasan, kamaruzzaman sopian, abdul amir h. kadhum, tayser sumer gaaz and ahmed a. al-amiery.  (2017).  outdoor performance analysis of a photovoltaic thermal (pvt) collector with jet impingement and compound parabolic concentrator (cpc).  - materials.  1-16. 

samir mahmmod ahmad, siu leong cheow , norasikin a. ludin, k. sopian, saleem h. zaidi.  (2017).  in depth investigation of spin on doped solar cells with thermally grown oxide passivation.  - results in physics.  2183-2193. 

ejarder sabbir hossain, puvaneswaran chelvanathan, seyed ahmad shahahmadi, kamaruzzaman sopian, badariah bais, nowshad amin.  (2017).  performance assessment of cu2sns3 (cts) based thin film solar cells by amps-1d.  - current applied physics.  79-89. 

zeynab emdadi, nilofar asim, mohamad hassan amin, mohd ambar yarmo, ali maleki , mojtaba azizi and kamaruzzaman sopian.  (2017).  development of green geopolymer using agricultural and industrial waste materials with high water absorbency.  - applied sciences.  1-15. 

m. yahya, ahmad fudholi, kamaruzzaman sopian.  (2017).  energy and exergy analyses of solar-assisted fluidized bed drying integrated with biomass furnace.  - renewable energy.  22-29. 

m.w. kareem, khairul habib, k. sopian, m.h. ruslan.  (2017).  multi-pass solar air heating collector system for drying of screw-pine leaf (pandanus tectorius).  - renewable energy.  413-424. 

b. bakhtyar, a. fudholi, kabir hassan, m. azam, c.h. lim, n.w. chan, k. sopian.  (2017).  review of co2 price in europe using feed-in tariff rates.  - renewable and sustainable energy reviews.  685-691. 

azhar ghazali, elias salleh, lim chin haw, sohif mat, kamaruzzaman sopian.  (2017).  performance and financial evaluation of various photovoltaic vertical facades on highrise building in malaysia.  - energy and buildings.  306-318. 

poorya ooshaksaraei, kamaruzzaman sopian, saleem h. zaidi, rozli zulkifli.  (2017).  performance of four air based photovoltaic thermal collectors configurations with bifacial solar cells.  - renewable energy.  279-293. 

azher m. abed, k. sopian, m.a. alghoul, hasan sh. majadi, ali najah al-shamani.  (2017).  experimental evaluation of single stage ejector absorption cooling cycle under different design configurations.  - solar energy.  130-141. 

nur izzati abdul aziz, shahril irwan sulaiman, sulaiman shaari, ismail musirin, kamaruzzaman sopian.  (2017).  optimal sizing of stand-alone photovoltaic system by minimizing the loss of power supply probability.  - solar energy.  220-228. 

k.f. mustafa, s. abdullah, m.z. abdullah, k. sopian.  (2017).  a review of combustion-driven thermoelectric (te) and thermophotovoltaic (tpv) power systems.  - renewable and sustainable energy reviews.  572-584. 

ali najah al-shamani, k. sopian, sohif mat, azher m. abed.  (2017).  performance enhancement of photovoltaic grid-connected system using pvt panels with nanofluid.  - solar energy.  38-48. 

a.m. elbreki, m.a. alghoul, k. sopian, t. hussein.  (2017).  towards adopting passive heat dissipation approaches for temperature regulation of pv module as a sustainable solution.  - renewable and sustainable energy reviews.  961-1017. 

mohammad shakeri, mohsen shayestegan, hamza abunima, s.m. salim reza,m. akhtaruzzaman, a.r.m. alamoud, kamaruzzaman sopian, nowshad amin.  (2017).  an intelligent system architecture in home energy management systems (hems) for efficient demand response in smart grid.  - energy and buildings.  154-164. 

husam abdulrasool hasan, kamaruzzaman sopian, ahed hameed jaaz, ali najah al-shamani.  (2017).  experimental investigation of jet array nanofluids impingement in photovoltaic/thermal collector.  - solar energy.  321-334. 

mahmoud a.m. al-alwani, norasikin a. ludin, abu bakar mohamad, abd. amir h. kadhum, kamaruzzaman sopian.  (2017).  extraction, preparation and application of pigments from cordyline fruticosa and hylocereus polyrhizus as sensitizers for dye-sensitized solar cells.  - spectrochimica acta part a: molecular and biomolecular spectroscopy.  23-31. 

ahed hameed jaaz, husam abdulrasool hasan, kamaruzzaman sopian, mohd hafidz bin haji ruslan, saleem hussain zaidi.  (2017).  design and development of compound parabolic concentrating for photovoltaic solar collector: review.  - renewable and sustainable energy reviews.  1108-1121. 

ali h.a. al-waeli, k. sopian, miqdam t. chaichan, hussein a. kazem , husam abdulrasool hasan and ali najah al-shamani.  (2017).  an experimental investigation of sic nanofluid as a base-fluid for a photovoltaic thermal pv/t system.  - energy conversion and management.  547-558. 

ameen m. ali, k.s. rahman, lamya m. ali, m. akhtaruzzaman, k. sopian, s. radiman, n. amin.  (2017).  a computational study on the energy bandgap engineering in performance enhancement of cdte thin film solar cells.  - results in physics.  1066-1072. 

adnan ali, s.l. cheow, a.w. azhari , k. sopian, saleem h. zaidi.  (2017).  enhancing crystalline silicon solar cell efficiency with sixge1x layers.  - results in physics.  225-232. 

ali h.a. al-waelia, k. sopian, hussein a. kazem, miqdam t. chaichan.  (2017).  photovoltaic thermal (pv/t) systems: status and future prospects.  - renewable and sustainable energy reviews.  109-130. 

ammar m. abdulateef, sohif mat, kamaruzzaman sopian, jasim abdulateef, ali a. gitan.  (2017).  experimental and computational study of melting phase-change material in a triplex tube heat exchanger with longitudinal/triangular fins.  - solar energy.  142-153. 

ali h.a. al-waeli, k. sopian, miqdam t. chaichan, hussein a. kazem, adnan ibrahim, sohif mat, mohd hafidz ruslan.  (2017).  evaluation of the nanofluid and nano-pcm based photovoltaic thermal (pvt) system: an experimental study.  - energy conversion and management.  693-708. 

nortazi sanusi, azami zaharim, sohif mat & kamaruzzaman sopian.  (2017).  a weibull and finite mixture of the von mises distribution for wind analysis in mersing, malaysia.  - international journal of green energy.  1057-1062. 

zeynab emdadi, nilofar asim, mohd ambar yarmo, mehdi ebadi, masita mohammad and kamaruzzaman sopian.  (2017).  chemically treated rice husk blends as green desiccant materials for industrial application.  - chemical engineering & technology.  1619-1629. 

m.k. mat desa , s. sapeai, a.w. azhari, k. sopian, m.y. sulaiman , n. amin, s.h. zaidi.  (2016).  silicon back contact solar cell configuration: a pathway towards higher efficiency.  - renewable and sustainable energy reviews.  1516-1532. 

mojgan kouhnavard,norasikin ahmad ludin,babak vazifehkhah ghaffari,kamaruzzaman sopian,norshazlinah abdul karim and mikio miyake.  (2016).  an efficient metal free hydrophilic carbon as a counter electrode for dye sensitized solar cells.  - international journal of photoenergy.  1-7. 

abdul rahman th. mohammad, sohif bin mat, k.sopian , abduljalila.al-abidi.  (2016).  review:survey of the control strategy of liquid desiccant systems.  - renewable and sustainable energy reviews.  250-258. 

k.f. mustafa, s. abdullah, m.z. abdullah, k. sopian.  (2016).  comparative assessment of a porous burner using vegetable cooking oil-kerosene fuel blends for thermoelectric and thermophotovoltaic power generation.  - fuel.  137-147. 

azher m. abed, m.a. alghoul, k. sopian.  (2016).  performance evaluation of flash tank-absorption cooling cycle using two ejectors.  - applied thermal engineering.  47-60. 

s. misha, s. mat, m.h. ruslan, e. salleh , k. sopian.  (2016).  performance of a solar assisted solid desiccant dryer for oil palm fronds drying.  - solar energy.  415-429. 

a.m.elbreki,m.a.alghoul,a.n.al-shamani,a.a.ammar,bita yegani, alsanossi m.aboghrara,m.h.rusaln,k.sopian.  (2016).  the role of climatic design operational parameters on combined pv/t collector performance a critical review.  - renewable and sustainable energy reviews.  602-647. 

ahmed samir naje, shreeshivadasan chelliapan, zuriati zakaria, mohammed a. ajeel, kamaruzzaman sopiand and husam abdulrasool hasan.  (2016).  electrocoagulation by solar energy feed for textile wastewater treatment including mechanism and hydrogen production using a novel reactor design with a rotating anode.  - rsc advances.  1-43. 

m.a. alghoul, p. poovanaesvaran, m.h. mohammed, a.m. fadhil, a.f. muftah,m.m. alkilani, k. sopian.  (2016).  design and experimental performance of brackish water reverse osmosis desalination unit powered by 2 kw photovoltaic system.  - renewable energy.  101-114. 

a.a.razak, z.a.a.majid, w.h.azmi, m.h.ruslan, sh.choobchian, g.najafi, k. sopian.  (2016).  review on matrix thermal absorber designs for solar air collector.  - renewable and sustainable energy reviews.  682-693. 

ali najah al-shamani , k. sopian , sohif mat , husam abdulrasool hasan , azher m. abed, m.h. ruslan.  (2016).  experimental studies of rectangular tube absorber photovoltaic thermal collector with various types of nanofluids under the tropical climate conditions.  - energy conversion and management.  528-542. 

m.f.abdullah, m.a.alghoul, hameed naser, nilofar asim, shideh ahmadi, b. yatim, k.sopian.  (2016).  research and development efforts on texturization to reduce the optical losses at front surface of silicon solar cell.  - renewable and sustainable energy reviews.  380-398. 

siti nur farhana mohd nasir, mohd khairul najib yahya, norfaizzatul wahidah mohamad sapian, norasikin ahmad ludin, mohd adib ibrahim, kamaruzzaman sopian and mohd asri mat teridi.  (2016).  heterojunction cr2o3/cuo:ni photocathodes for enhanced photoelectrochemical performance.  - rsc advances.  1-7. 

mehdi ebadi, mohamad y. sulaiman, mohd a. mat-teridi, wan j. basirun, maziar a. golsefidi, kamaruzzaman sopian, aryan sateei, ramin zafar mehrabian.  (2016).  efficient photo electrochemical performance using cuo based electrodes in aqua medium.  - journal of applied electrochemistry.  645-653. 

mahmoud a.m. al-alwani, abu bakar mohamad, norasikin a. ludin, abd. amir h. kadhum, kamaruzzaman sopian.  (2016).  dye-sensitised solar cells: development, structure, operation principles, electron kinetics, characterisation, synthesis materials and natural photosensitisers.  - renewable and sustainable energy reviews.  183-213. 

s.s.s. baljit, hoy-yen chan, kamaruzzaman sopian.  (2016).  review of building integrated applications of photovoltaic and solar thermal systems.  - journal of cleaner production.  677-689. 

zeynab emdadi, nilofar asim, mohd ambar yarmo, roslinda shamsudin, masita mohammad and kamaruzaman sopian.  (2016).  green material prospects for passive evaporative cooling systems: geopolymers.  - energies.  1-19. 

muhammad arif riza, mohd adib ibrahim, ubani charles ahamefula, mohd asri mat teridi, norasikin ahmad ludin, suhaila sepeai, kamaruzzaman sopian.  (2016).  prospects and challenges of perovskite type transparent conductive oxides in photovoltaic applications. part i - material developments.  - solar energy.  371-378. 

c.a. ubani, m.a. ibrahim, m.a.m. teridi, k. sopian, j. ali, k.t. chaudhary.  (2016).  application of graphene in dye and quantum dots sensitized solar cell.  - solar energy.  531-550. 

muhammad arif riza, mohd adib ibrahim, ubani charles ahamefula, mohd asri mat teridi, norasikin ahmad ludin, suhaila sepeai, kamaruzzaman sopian.  (2016).  prospects and challenges of perovskite type transparent conductive oxides in photovoltaic applications. part ii - synthesis and deposition.  - solar energy.  309-317. 

towhid h. chowdhury, ashraful islam, a. k. mahmud hasan, m. asri mat terdi, m. arunakumari, surya prakash singh, md. khorshed alam, idriss m. bedja, mohd hafidz ruslan, kamaruzzaman sopian, nowshad am.  (2016).  prospects of graphene as a potential carrier-transport material in third-generation solar cells.  - the chemical record.  614-632. 

chin hoong teh, rusli daik, eng liang lim, chi chin yap, mohd adib ibrahim, norasikin ahmad ludin, kamaruzzaman sopian, mohd asri mat teridi.  (2016).  a review of organic small molecule-based hole transporting materials for meso-structured organic-inorganic perovskite solar cells.  - journal of materials chemistry a.  15788-15822. 

m.y. othman, s.a. hamid, m.a.s. tabook, k. sopian, m.h. ruslan & z. ibarahim.  (2016).  performance analysis of pv/t combi with water and air heating system: an experimental study.  - renewable energy.  716-722. 

m. yahya, ahmad fudholi, hadian hafizh, kamaruzzaman sopian.  (2016).  comparison of solar dryer and solar-assisted heat pump dryer for cassava.  - solar energy.  606-613. 

subramaniam sohila, ramesh rajendran, zahira yaakob, mohd asri mat teridi, kamaruzzaman sopian.  (2016).  photoelectrochemical water splitting performance of flower like zno nanostructures synthesized by a novel chemical method.  - journal of materials science: materials in electronics.  2846-2851. 

ahmad fudholi, b. bakhtyar, habibis saleh, mohd hafidz ruslan, mohd yusof othman & kamaruzzaman sopian.  (2016).  drying of salted silver jewfish in a hybrid solar drying system and under open sun: modeling and performance analyses.  - international journal of green energy.  1135-1144. 

mojgan kouhnavard,norasikin ahmad ludin,babak vazifehkhah ghaffari,shoichiro ikeda,kamaruzzaman sopian,mikio miyake1.  (2016).  hydrophilic carbon/tio2 colloid composite a potential counter electrode for dye-sensitized solar cells.  - journal of applied electrochemistry.  1-8. 

p. chelvanathan, y. yusoff, f. haque, m. akhtaruzzaman, m.m. alam,z.a. alothman, m.j. rashid, k. sopian, n. amin.  (2015).  growth and characterization of rf-sputtered zns thin film deposited at various substrate temperatures for photovoltaic application.  - applied surface science.  138-144. 

p. chelvanathan, z. zakaria, y. yusoff, m. akhtaruzzaman, m.m. alam,m.a. alghoul, k. sopian, n. amin,.  (2015).  annealing effect in structural and electrical properties of sputteredmo thin film.  - applied surface science.  129-137. 

k.f. mustafa, s. abdullah, m.z. abdullah, k. sopian, a.k. ismail.  (2015).  experimental investigation of the performance of a liquid fuel-fired porous burner operating on kerosene-vegetable cooking oil (vco) blends for micro-cogeneration of thermoelectric power.  - renewable energy.  505-516. 

willy tjiu,tjukup marnoto, sohif mat,mohd hafidz ruslan,kamaruzzaman sopian.  (2015).  darrieus vertical axis wind turbine for power generation ii: challenges in hawt and the opportunity of multi-megawatt darrieus vawt development.  - renewable energy.  560-571. 

willy tjiu, tjukup marnoto, sohif mat, mohd hafidz ruslan, kamaruzzaman sopian.  (2015).  darrieus vertical axis wind turbine for power generation i: assessment of darrieus vawt configurations.  - renewable energy.  50-67. 

ayu wazira azhari, kamaruzzaman sopian, mohd khairunaz mat desa, saleem h. zaidi.  (2015).  optimization of silver assisted nano pillar etching process in silicon.  - applied surface science.  1863-1877. 

hyder h. balla, shahrir abdullah, wan mahmood wan mohd faizal, rozli zulkifli, kamaruzaman sopian.  (2015).  enhancement of heat transfer coefficient multi-metallic nanofluid with anfis modeling for thermophysical properties.  - thermal science.  1613-1620. 

darwish z.a., kazem h.a., sopian k., al-goul m.a., alawadhi h..  (2015).  effect of dust pollutant type on photovoltaic performance.  - renewable and sustainable energy reviews.  735-744. 

ahmad fudholi, kamaruzzaman sopian, b. bakhtyar, mohamed gabbasa, mohd yusof othman, mohd hafidz ruslan.  (2015).  review of solar drying systems with air based solar collectors in malaysia.  - renewable and sustainable energy reviews.  1191-1204. 

ahmad fudholi, kamaruzzaman sopian, m a alghoul, mohd hafidz ruslan & mohd yusof othman.  (2015).  performances and improvement potential of solar drying system for palm oil fronds.  - renewable energy.  561-565. 

f. hussain, myh othman, b yatim, h ruslan, k sopian, z. anuar & s. khairuddin.  (2015).  an improved design of photovoltaic/thermal solar collector.  - solar energy.  885-891. 

abed a.m., alghoul m.a., sirawn r., al-shamani a.n., sopian k..  (2015).  performance enhancement of ejector-absorption cooling cycle by re-arrangement of solution streamlines and adding rhe.  - applied thermal engineering.  65-75. 

abed a.m., alghoul m.a., sopian k., mohammed h.a., majdi h.s., al-shamani a.n..  (2015).  design characteristics of corrugated trapezoidal plate heat exchangers using nanofluids.  - chemical engineering and processing: process intensification.  88-103. 

alkhair m., sulaiman m.y., sopian k., lim c.h., salleh e., mat s., saha b.b..  (2015).  design and modeling of one refrigeration ton solar assisted adsorption air conditioning system.  - journal of solar energy engineering, transactions of the asme. 

ahmad fudholi,kamaruzzaman sopian, mohamed gabbasa, b.bakhtyar, m. yahya, mohd hafidz ruslan, sohif mat.  (2015).  techno-economic of solar drying systems with water based solar collectors in malaysia: a review.  - renewable and sustainable energy reviews.  809-820. 

m.k. anuar sharif, a.a. al-abidi, s. mat, k. sopian, m.h. ruslan, m.y. sulaiman & m.a.m. rosli.  (2015).  review of the application of phase change material for heating and domestic hot water systems.  - renewable and sustainable energy reviews.  557-568. 

abed a.m., alghoul m.a., yazdi m.h., al-shamani a.n., sopian k..  (2015).  the role of enhancement techniques on heat and mass transfer characteristics of shell and tube spray evaporator: a detailed review.  - applied thermal engineering.  923-940. 

mojgan kouhnavard, norasikin ahmad ludin, babak v. ghaffari, kamarozzaman sopian and shoichiro ikeda.  (2015).  carbonaceous materials and their advances as a counter electrode in dye-sensitized solar cells: challenges and prospects.  - chemsuschem.  1510-1533. 

m. ebadi, m. a. mat-teridi, m. y. sulaiman, w. j. basirun, n. asim, n. a. ludin, m. a. ibrahim, k. sopian.  (2015).  electrodeposited p-type co3o4 with high photoelectrochemical performance in aqueous medium.  - rsc advances.  36820-36827. 

nilofar asim, zeynab emdadi, masita mohammad, m. a. yarmo, k. sopian.  (2015).  agricultural solid wastes for green desiccant applications: an overview of research achievements, opportunities and perspectives.  - journal of cleaner production.  26-35. 

w.j.hee , m.a.alghoul, b.bakhtyar, om kalthum elayeb, m.a.shameri, m.s.alrubaih, k.sopian.  (2015).  the role of window glazing on daylighting and energy saving in buildings.  - renewable and sustainable energy reviews.  323-343. 

azher m. abed, m.a. alghoul, ali najah al-shamani, k. sopian.  (2015).  evaluating ejector efficiency working under intermediate pressure of flash tank-absorption cooling cycle: parametric study.  - chemical engineering and processing: process intensification.  222-234. 

janusz nowotny, mohammad abdul alim, tadeusz bak, mohammad asri idris, mihail ionescu, kathryn prince, mohd zainizan sahdan, kamaruzzaman sopian, mohd asri mat teridi and wolfgang sigmund.  (2015).  defect chemistry and defect engineering of tio2 based semiconductors for solar energy conversion.  - chemical society reviews.  8424-8442. 

azher m. abed , m.a. alghoul , r. sirawn , ali najah al-shamani , k. sopian.  (2015).  performance enhancement of ejector - absorption cooling cycle by re-arrangement of solution streamlines and adding rhe.  - applied thermal engineering.  65-75. 

k.f. mustafa, s. abdullah, m.z. abdullah, k. sopian.  (2015).  experimental analysis of a porous burner operating on kerosene-vegetable cooking oil blends for thermophotovoltaic power generation.  - energy conversion and management.  544-560. 

yunus ahmed, zahira yaakob, parul akhtar, kamaruzzaman sopian.  (2015).  production of biogas and performance evaluation of existing treatment processes in palm oil mill effluent (pome).  - renewable and sustainable energy reviews.  1260-1278. 

s. misha, s. mat, m.h. ruslan, e. salleh, k. sopian.  (2015).  performance of a solar assisted solid desiccant dryer for kenaf core fiber drying under low solar radiation.  - solar energy.  194-204. 

suhaila abdul hamid, mohd yusof othman, kamaruzzaman sopian, saleem h. zaidi.  (2014).  an overview of photovoltaic thermal combination (pv/t combi) technology.  - renewable and sustainable energy reviews.  38:212-222. 

hussein a. kazem, tamer khatib, k. sopian, wilfried elmenreich.  (2014).  performance and feasibility assessment of a 1.4 kw roof top grid connected photovoltaic power system under desertic weather conditions.  - energy and buildings.  82:123-129. 

ramesh rajendran, zahira yaakob, mohd asri mat teridi, muhammad syukri abd rahaman, kamaruzzaman sopian.  (2014).  preparation of nanostructured p-nio/n-fe2o3 heterojunction and study of their enhanced photoelectrochemical water splitting performance.  - materials letters.  123-126. 

ahmad fudholi, kamaruzzaman sopian, mohammad h. yazdi, mohd hafidz ruslan, mohamed gabbasa, hussein a. kazem.  (2014).  performance analysis of solar drying system for red chili.  - solar energy.  99:47-54. 

adnan ibrahim, ahmad fudholi, kamaruzzaman sopian, mohd yusof othman, mohd hafidz ruslan.  (2014).  efficiencies and improvement potential of building integrated photovoltaic thermal (bipvt) system.  - energy conversion and management.  527-534. 

ahmad fudholi, kamaruzzaman sopian, mohammad h. yazdi, mohd hafidz ruslan, adnan ibrahim, hussein a. kazem.  (2014).  performance analysis of photovoltaic thermal (pvt) water collectors.  - energy conversion and management.  78:641-651. 

ahmad fudholi, kamaruzzaman sopian, mohd yusof othman, mohd hafidz ruslan.  (2014).  energy and exergy analyses of solar drying system of red seaweed.  - energy and buildings.  68:121-129. 

abduljalil a. al-abidi, sohif mat, k. sopian, m.y. sulaiman, abdulrahman. th. mohammad.  (2014).  experimental study of melting and solidification of pcm in a triplex tube heat exchanger with fins.  - energy and buildings.  68:33-41. 

ali. f. muftah, m.a.alghoul, ahmad fudholi, m.m.abdul-majeed, k.sopian.  (2014).  factors affecting basin type solar still productivity: a detailed review.  - renewable and sustainable energy reviews.  32:430-447. 

m. m. s. dezfouli, s. mat, g. pirasteh, k. s. m. sahari, k. sopian, and m. h. ruslan.  (2014).  simulation analysis of the four configurations of solar desiccant cooling system using evaporative cooling in tropical weather in malaysia.  - international journal of photoenergy.  2014:Article ID 843617. 

shideh ahmadi, nilofar asim, m.a. alghoul, f. y. hammadi, kasra saeedfar, n. a. ludin , saleem h. zaidi, k. sopian.  (2014).  the role of physical techniques on the preparation of photoanodes for dye sensitized solar cells.  - international journal of photoenergy.  2014:1-19. 

manoj pudukudy, zahira yaakob, masita mohammad, binitha narayanan, kamaruzzaman sopian.  (2014).  renewable hydrogen economy in asia - opportunities and challenges: an overview.  - renewable and sustainable energy reviews.  743-757. 

m. kouhnavard, s. ikeda, n. a. ludin, nb ahmad khairudin, b. v. ghaffari, m. teridi, m. a. ibrahim, s. sepeai, k. sopian.  (2014).  a review of semiconductor materials as sensitizers for quantum dot-sensitized solar cells.  - renewable and sustainable energy reviews.  37(2014):397-407. 

ramesh rajendran, zahira yaakob , manoj pudukudy , muhammad syukri abd rahaman , kamaruzzaman sopian.  (2014).  photoelectrochemical water splitting performance of vertically aligned hematite nanoflakes deposited on fto by a hydrothermal method.  - journal of alloys and compounds.  608: 207-212. 

zatil amali che ramli, nilofar asim, wan n. r. w. isahak, zeynab emdadi, norasikin ahmad ludin, m. ambar yarmo and kamaruzzaman sopian.  (2014).  photocatalytic degradation of methylene blue under uv light irradiation on prepared carbonaceous tio2.  - the scientific world journal.  Volume 2014,ID 415136. 

siti nur farhana mohd nasir mohamad yusof sulaiman norasikin ahmad ludin mohd adib ibrahim kamaruzzaman sopian mohd asri mat teridi.  (2014).  review of polymer dye sensitized and hybrid solar cells.  - international journal of photoenergy.  12. 

m. alkhair, mohd yusof sulaiman, kamaruzzaman sopian, chin haw lim, elias salleh, sohif bin mat, b.b. saha.  (2014).  design and modeling of one refirgeration ton (rt) solar assisted adsorption air conditioning system.  - journal of solar energy engineering.  2014. 

norasikin a. ludin, a.m. al-alwani mahmoud, abu bakar mohamad, abd. amir h. kadhum, kamaruzzaman sopian, nor shazlinah abdul karim.  (2014).  review on the development of natural dye photosensitizer for dye-sensitized solar cells.  - renewable and sustainable energy reviews.  31:386-396. 

mohamed gabbasa, kamaruzzaman sopian, ahmad fudholi, nilofar asim.  (2014).  a review of unitized regenerative fuel cell stack: material, design and research achievements.  - international journal of hydrogen energy.  17765-17778. 

norasikin a. ludin, m.azwan m. bakri, norman kamaruddin, kamaruzzaman sopian, m. solah deraman, norul hisham hamid, nilofar asim, m. yusuf othman.  (2014).  malaysian oil palm plantation sector: exploiting renewable energy toward sustainability production.  - journal of cleaner production.  65(2014):9-15. 

m. h. yazdi, i. hashim, a. fudholi, p. ooshaksaraei, and k. sopian.  (2014).  entropy generation analysis of power-law non-newtonian fluid flow caused by micropatterned moving surface.  - mathematical problems in engineering.  1-16. 

m.a. mat teridi, asif ali tahir, s. senthilarasu, k.g.u. wijayantha, m.y. sulaiman, n. ahmad ludin, m.a. ibrahim and k. sopian.  (2014).  fabrication of nio photoelectrodes by aerosol assisted chemical vapour deposition (aacvd).  - physica status solidi (rrl) rapid research letters.  982-986. 

ali ahmed gitan,rozli zulkifli,shahrir abdullah,kamaruzzaman sopian.  (2014).  development of pulsating twin jets mechanism for mixing flow heat transfer analysis.  - the scientific world journal.  2014;1-8. 

samia ahmed nadi, puvaneswaran chelvanathan, zaihasraf zakaria, mohammad mezbaul alam, zeid a. alothman, kamaruzzaman sopian, and nowshad amin.  (2014).  postdeposition annealing effect on cu2znsns4 thin films grown at different substrate temperature.  - international journal of photoenergy.  2014, 589027:1-7. 

b. bakhtyar, y. ibrahim, m.a. alghoul, n. aziz, a. fudholi, k. sopian.  (2014).  estimating the co2 abatement cost:substitute price of avoiding co2 emission (spae) by renewable energys feed in tariff in selected countries.  - renewable and sustainable energy reviews.  35:205-210. 

ali najah al-shamani, mohammad h.yazdi, m.a.alghoul,azher m.abed, m.h. ruslan, sohif mat, k.sopian.  (2014).  nanofluids for improved efficiency in cooling solar collectors - a review.  - renewable and sustainable energy reviews.  38:348-367. 

ahmad fudholi, kamaruzzaman sopian, mohd hafidz ruslan, mohd yusof othman.  (2013).  performance and cost benefits analysis of double-pass solar collector with and without fins.  - energy conversion and management.  76:8-19. 

mohd yusof othman, adnan ibrahim, goh li jin, mohd hafidz ruslan, kamaruzzaman sopian.  (2013).  photovoltaic-thermal (pv/t) technology - the future energy technology.  - renewable energy.  171-174. 

md. akhtaruzzaman, h.n.m. ekramul mahmud, ashraful islam, ahmedei shafei, mohammed rezaul karim , kamaruzzaman sopian , liyuan han , yoshinori yamamoto.  (2013).  simple indoline based donoreacceptor dye for high efficiency dye-sensitized solar cell.  - materials chemistry and physics.  142(1):82-86. 

s.m.c. fairuz m.y. sulaiman c.h. lim s. mat b. ali o. saadatian m.h. ruslan e. salleh k. sopian.  (2013).  long term strategy for electricity generation in peninsular malaysia - analysis of cost and carbon footprint using message.  - energy policy.  62:493-502. 

eman sad ashour, mohamad yusof bin sulaiman, mohd hafidz ruslan and kamaruzzaman sopian.  (2013).  a-si:h/sinw shell/core for sinw solar cell applications.  - nanoscale research letters.  8(1):Art no.466. 

f. azizpour, s. moghimi, e. salleh, s. mat, c.h. lim, k. sopian.  (2013).  thermal comfort assessment of large-scale hospitals in tropical climates: a case study of university kebangsaan malaysia medical centre (ukmmc).  - energy and buildings.  64:317-322. 

omidreza saadatian, chin haw lim, kamaruzzaman sopian and elias salleh.  (2013).  a state of the art review of solar walls: concepts and applications.  - journal of building physics.  37(1):55-79. 

sohif mat, abduljalil a. al-abidi, k. sopian, m.y. sulaiman, abdulrahman th mohammad.  (2013).  enhance heat transfer for pcm melting in tripex tube with internal-external fins.  - energy conversion and management.  74:223-236. 

omidreza saadatian, k. sopian, e. salleh, c.h. lim, safa riffat, elham saadatian, arash toudeshki, m.y. sulaiman.  (2013).  a review of energy aspects of green roofs.  - renewable and sustainable energy reviews.  23:155-168. 

abduljalil a. al-abidi, sohif mat, k. sopian, m.y. sulaiman, abdulrahman th. mohammad.  (2013).  internal and external fin heat transfer enhancement technique for latent heat thermal energy storage in triplex tube heat exchangers.  - applied thermal engineering.  53(1):147-156. 

abduljalil a. al-abidi, sohif mat, k. sopian, m.y. sulaiman, abdulrahman th. mohammad.  (2013).  experimental study of pcm melting in triplex tube thermal energy storage for liquid desiccant air conditioning system.  - energy and buildings.  60:270-279. 

ahmad fudholi, kamaruzzaman sopian, mohd yusof othman, mohd hafidz ruslan, b. bakhtyar.  (2013).  energy analysis and improvement potential of finned double-pass solar collector.  - energy conversion and management.  75:234-240. 

hyder h. balla, shahrir abdullah, wan mohd faizal wan mahmood, rozli zulkifli, kamaruzaman sopian.  (2013).  numerical study of the enhancement of heat transfer for hybrid cuo-cu nanofluids flowing in a circular pipe.  - journal of oleo science.  62(7):533-539. 

m.a. islam, q. huda, m.s. hossain, m.m. aliyu, m.r. karim, k. sopian, n. amin.  (2013).  high quality 1 um thick cdte absorber layers grown by magnetron sputtering for solar cell application.  - current applied physics.  13(Supp.2):S115-S121. 

m.a. islam , m.s. hossain, m.m. aliyu, m.r. karim , t. razykov, k. sopian, n. amin.  (2013).  effect of cdcl2 treatment on structural and electronic property of cdte thin films deposited by magnetron sputtering.  - thin solid films.  546:367-374. 

f. hussain, m.y.h. othman, k. sopian, b. yatim, h. ruslan, h. othman.  (2013).  design development and performance evaluation of photovoltaic/thermal(pv/t) air base solar collector.  - renewable and sustainable energy reviews.  25:431-441. 

muneer m. ba-abbad, abdul amir h. kadhum, abu bakar mohamad, mohd s. takriff, kamaruzzaman sopian.  (2013).  visible light photocatalytic activity of fe3+-doped zno nanoparticle prepared via sol-gel technique.  - chemosphere.  91(11):1604-1611. 

abduljalil a. al-abidi, sohif mat, k. sopian, m.y. sulaiman, abdulrahman th mohammad.  (2013).  numerical study of pcm solidification in a triplex tube heat exchanger with internal and external fins.  - international journal of heat and mass transfer.  61:684-695. 

a.a. lahimer, m.a. alghoul, fadhil yousif, t.m. razykov, n. amin, k. sopian.  (2013).  research and development aspects on decentralized electrification options for rural household.  - renewable and sustainable energy reviews.  24:314-324. 

ranj sirwan, m.a. alghoul, k. sopian, yusoff ali, jasim abdulateef.  (2013).  evaluation of adding flash tank to solar combined ejector-absorption refrigeration system.  - solar energy.  91:283-296. 

masita mohammad, thushara kandaramath hari, zahira yaakob, yogesh chandra sharma, kamaruzzaman sopian.  (2013).  overview on the production of paraffin based-biofuels via catalytic hydrodeoxygenation.  - renewable and sustainable energy reviews.  121-132. 

tamer khatib, azah mohamed, k. sopian.  (2013).  a review of photovoltaic systems size optimization techniques.  - renewable and sustainable energy reviews.  22:454-465. 

zahira yaakob, masita mohammad, mohammad alherbawi, zahangir alam, kamaruzaman sopian.  (2013).  overview of the production of biodiesel from waste cooking oil.  - renewable & sustainable energy reviews.  18:184-193. 

hussein a. kazem, tamer khatib, k. sopian.  (2013).  sizing of a standalone photovoltaic/battery system at minimum cost for remote housing electrification in sohar, oman.  - energy and buildings.  61:108-115. 

m.a. shameri, m.a. alghoul, omkalthum elayeb, m. fauzi m. zain, m.s. alrubaih, halizawati amir, k. sopian.  (2013).  daylighting characterstics of existing double-skin facade office buildings.  - energy and buildings.  59:279-286. 

ahmad fudholi, mohd yusof othman, mohd hafidz ruslan, and kamaruzzaman sopian.  (2013).  drying of malaysian capsicum annuum l. (red chili) dried by open and solar drying.  - international journal of photoenergy.  Article no.167895. 

yousef a. eltbaakh, m.h. ruslan, m.a. alghoul, m.y. othman, k. sopian.  (2013).  measurements of spectral-band solar irradiance in bangi, malaysia.  - solar energy.  89:62-80. 

abdulrahman th. mohammad, sohif bin mat, m.y. sulaiman, k. sopian, abduljalil a. al-abidi.  (2013).  survey of hybrid liquid desiccant air conditioning systems.  - renewable and sustainable energy reviews.  20:186-200. 

abduljalil a. al-abidin, sohif bin mat, k. sopian, m.y. sulaiman, abdulrahman th. mohammed.  (2013).  cfd applications for latent heat thermal energy storage: a review.  - renewable and sustainable energy reviews.  20:353-363. 

muneer m. ba-abbad, abdul amir h. kadhum, abu bakar mohamad, mohd s. takriff, kamaruzzaman sopian.  (2013).  optimization of process parameters using d-optimal design for synthesis of zno nanoparticles via solgel technique.  - journal of industrial and engineering chemistry.  99-105. 

muneer m. ba-abbad, abdul amir h. kadhum, abu bakar mohamad, mohd s. takriff, kamaruzzaman sopian.  (2013).  the effect of process parameters on the size of zno nanoparticles synthesized via the sol-gel technique.  - journal of alloys and compounds.  550:63-70. 

abdulrahman th. mohammad, sohif bin mat, m.y. sulaiman, k. sopian, abduljalil a. al-abidi.  (2013).  implementation and validation of an artificial neural network for predicting the performance of a liquid desiccant dehumidifier.  - energy conversion and management.  67:240-250. 

tamer khatib, azah mohamed, k. sopian & m. mahmoud.  (2013).  optimal sizing of the energy sources in hybrid pv/diesel systems: a case study for malaysia.  - international journal of green energy.  10(1):41-52. 

mohammad h. yazdi, shahrir abdullah, ishak hashim & kamaruzzaman sopian.  (2013).  reducing entropy generation in mhd fluid flow over open parallel microchannels embedded in a micropatterned permeable surface.  - entropy.  15(11):4822-4843. 

khatib, tamer; sopian, kamaruzzaman; kazem, hussein a..  (2013).  actual performance and characteristic of a grid connected photovoltaic power system in the tropics: a short term evaluation.  - energy conversion and management.  71:115-119. 

m.s. hossain, m.a. islam, q. huda, m.m. aliyu, t. razykov, m.m. alam, z.a. alothman, k. sopian, n. amin.  (2013).  growth optimization of znxcd1 _ xs thin films by radio frequency magnetron co-sputtering for solar cell applications.  - thin solid films.  548(2013):202-209. 

p. ooshaksaraei, k. sopian, r. zulkifli, and saleem h. zaidi.  (2013).  characterization of air-based photovoltaic thermal panels with bifacial solar cells.  - international journal of photoenergy.  2013:Article ID 978234. 

aghil shavalipour, mir hamed hakemzadeh, k. sopian, sallehuddin mohamed haris, and saleem h. zaidi.  (2013).  new formulation for the estimation of monthly average daily solar irradiation for the tropics: a case study of peninsular malaysia.  - international journal of photoenergy.  2013:Article ID 174671. 

b. bakhtyar, k. sopian, m.y. sulaiman, s.a. ahmad.  (2013).  renewable energy in five south east asian countries: review on electricity consumption and economic growth.  - renewable and sustainable energy reviews.  26:506-514. 

abdulrahman th. mohammad, sohif bin mat, m.y. sulaiman, k. sopian, abduljalil a. al-abidi.  (2013).  artificial neural network analysis of liquid desiccant dehumidifier performance in a solar hybrid air-conditioning system.  - applied thermal engineering.  59:389-398. 

abdulrahman th. mohammad, sohif bin mat, m.y. sulaiman, k. sopian, abduljalil a. al-abidi.  (2013).  survey of liquid desiccant dehumidification system based on integrated vapor compression technology for building applications.  - energy and buildings.  62:1-14. 

b. bakhtyar, k. sopian, a. zaharim, e. salleh, c.h. lim.  (2013).  potentials and challenges in implementing feed-in tariff policy in indonesia and the philippines.  - energy policy.  60:418-423. 

abdulrahman th. mohammad, sohif bin mat, m.y. sulaiman, k. sopian, abduljalil a. al-abidi.  (2013).  historical review of liquid desiccant evaporation cooling technology.  - energy and buildings.  67:22-33. 

mohamed gabbasa, kamaruzzaman sopian, zahira yaakob, m. reza faraji zonooz , ahmad fudholi, nilofar asim.  (2013).  review of the energy supply status for sustainable development in the organization of islamic conference.  - renewable and sustainable energy reviews.  28:18-28. 

ranj sirwan, m.a. alghoul, k. sopian, yusoff ali.  (2013).  thermodynamic analysis of an ejector-flash tank-absorption cooling system.  - applied thermal engineering.  58:85-97. 

lim chin haw, omidreza saadatian, m.y.sulaiman, sohif mat, kamaruzzaman sopian.  (2012).  empirical study of a wind-induced natural ventilation tower under hot and humid climatic conditions.  - energy and buildings.  52:28-38. 

ali hajiah, tamer khatib, k. sopian, and m. sebzali.  (2012).  performance of grid-connected photovoltaic system in two sites in kuwait.  - international journal of photoenergy.  Art no.178175. 

f. azizpour, s. moghimi, c.h. lim, s. mat, e. salleh, k. sopian.  (2012).  a thermal comfort investigation of a facility department of a hospital in hot-humid climate: correlation between objective and subjective measurements.  - indoor and built environment.  2012: 1-10. 

abduljalil a. al-abidi, sohif bin mat, k. sopian, m.y. sulaiman, c.h. lim, abdulrahman th.  (2012).  review of thermal energy storage for air conditioning systems.  - renewable and sustainable energy reviews.  16:5802-5819. 

s. misha, s.mat, m.h.ruslan, k. sopian.  (2012).  review of solid/liquid desiccant in the drying applications and its regeneration methods.  - renewable and sustainable energy reviews.  16:4686-4707. 

t. m. razykov, n. amin, m. a. alghoul, b. ergashev, c. s. ferekides, y. goswami, m. k. hakkulov, k. m. kouchkarov, k. sopian, m. y. sulaiman, and h. s. ullal.  (2012).  effect of the composition on physical properties of cdte absorber layer fabricated by chemical molecular beam deposition for use in thin film solar cells.  - journal of applied physics.  112(2):Art no.023517. 

tamer khatib, azah mohamed, k. sopian, and m. mahmoud.  (2012).  assessment of artificial neural networks for hourly solar radiation prediction.  - international journal of photoenergy.  2012:ID 946890. 

tamer khatib, k. sopian, azah mohamed, mohd zamri ibrahim.  (2012).  sizing of a wind charger at minimum cost for remote housing electrification: a case study for nine coastal sites in malaysia.  - energy and buildings.  51:185-190. 

tamer khatib, azah mohamed, k. sopian and m. mahmoud.  (2012).  solar energy prediction for malaysia using artificial neural networks.  - international journal of photoenergy.  2012:Article Id 419504. 

muneer m. ba-abbad, abdul amir h. kadhum, abu bakar mohamad ,mohd s. takriff, kamaruzzaman sopian.  (2012).  synthesis and catalytic activity of tio2 nanoparticles for photochemical oxidation of concentrated chlorophenols under direct solar radiation.  - international journal of electrochemical science.  4871-4888. 

shahril irwan sulaiman, titik khawa abdul rahman, ismail musirin, sulaiman shaari, kamaruzzaman sopian.  (2012).  an intelligent method for sizing optimization in grid-connected photovoltaic system.  - solar energy.  86(7):2067-2082. 

tamer khatib, azah mohamed. m. mahmoud, k. sopian.  (2012).  a new approach for meteorological variables prediction at kuala lumpur, malaysia, using artificial neural networks: application for sizing and maintaining photovoltaic systems.  - journal of solar energy engineering, transactions of the asme.  134(2):art. no. 021005. 

omidreza saadatian, lim chin haw, k. sopian, m.y. sulaiman.  (2012).  review of windcatcher technologies.  - renewable and sustainable energy reviews.  16:1477-1495. 

tamer khatib, azah mohamed, k. sopian, m. mahmoud.  (2012).  estimating ambient temperature for malaysia using generalized regression neural network.  - international journal of green energy.  9(3):195-201. 

yousef a. eltbaakh, m.h. ruslan, m.a. alghoul, m.y. othman, k. sopian & t.m. razykov.  (2012).  solar attenuation by aerosols: an overview.  - renewable and sustainable energy reviews.  16(6):4264-4276. 

tamer khatib, azah mohamed, k. sopian.  (2012).  a review of solar energy modeling techniques.  - renewable and sustainable energy reviews.  16(5):2864-2869. 

m. m. aliyu, m. a. islam, n. r. hamzah, m. r. karim, m. a. matin, k. sopian, and n. amin.  (2012).  recent developments of flexible cdte solar cells on metallic substrates: issues and prospects.  - international journal of photoenergy.  2012:Article ID 351381. 

tamer khatib, azah mohamed, k. sopian, and m.mahmoud.  (2012).  a new approach for optimal sizing of standalone photovoltaic systems.  - international journal of photoenergy.  2012:Art. no 391213. 

tamer khatib, azah mohamed, k. sopian.  (2012).  optimization of a pv/wind micro-grid for rural housing electrification using a hybrid iterative/genetic algorithm: case study of kuala terengganu, malaysia.  - energy and buildings.  47:321-331. 

mohammed ikbal kabir, seyed a. shahahmadi, victor lim, saleem zaidi, kamaruzzaman sopian, and nowshad amin.  (2012).  amorphous silicon single-junction thin-film solar cell exceeding 10% efficiency by design optimization.  - international journal of photoenergy.  2012:Article ID 460919. 

a.a. lahimer, m.a. alghoul, k. sopian, nowshad amin, nilofar asim, m.i. fadhel.  (2012).  research and development aspects of pico-hydro power.  - renewable and sustainable energy reviews.  16:5861-5878. 

salwan dihrab, tamer khatib, kamaruzzaman sopian, habeeb al-ani, saleem h. zaidi.  (2012).  on the performance of hybrid pv/unitized regenerative fuel cell system in the tropics.  - international journal of photoenergy.  2012:Article ID 942784. 

omidreza saadatian, k. sopian, c.h. lim, nilofar asim, m.y. sulaiman.  (2012).  trombe walls: a review of opportunities and challenges in research and development.  - renewable and sustainable energy reviews.  16(1):6340-6351. 

nilofar asim, kamaruzzaman sopian, shideh ahmadi, kasra saeedfar, m.a. alghoul, omidreza saadatian, saleem h. zaidi.  (2012).  a review on the role of materials science in solar cells.  - renewable and sustainable energy reviews.  16(8):5834-5847. 

mohammad h. yazdi, shahrir abdullah, ishak hashim and kamaruzzaman sopian.  (2012).  entropy generation analysis of open parallel microchannels embedded within a permeable continuous moving surface: application to magnetohydrodynamics (mhd).  - entropy.  14(1):1-23. 

yousef a. eltbaakh, m.h. ruslan, m.a. alghoul, m.y. othman, k. sopian.  (2012).  issues concerning atmospheric turbidity indices.  - renewable and sustainable energy reviews.  16(8):6285-6294. 

suhaila sepeai, m. y. sulaiman, kamaruzzaman sopian, and saleem h. zaidi.  (2012).  surface passivation studies on n+pp+ bifacial solar cell.  - international journal of photoenergy.  2012:Article ID 278764. 

ronak daghigh, adnan ibrahim, goh li jin, mohd hafidz ruslan, kamaruzzaman sopian.  (2011).  predicting the performance of amorphous and crystalline silicon based photovoltaic solar thermal collectors.  - energy conversion and management.  1741-1747. 

yousef a. eltbaakh, m.h. ruslan, m.a. alghoul, m.y. othman, k. sopian, m.i. fadhel.  (2011).  measurement of total and spectral solar irradiance: overview of existing research.  - renewable and sustainable energy reviews.  15:1403-1426. 

m.a. shameri, m.a. alghoul, k. sopian, m. fauzi m. zain, omkalthum elayeb.  (2011).  perspectives of double skin facade systems in buildings and energy saving.  - renewable and sustainable energy reviews.  15(3):1468-1475. 

mahmud m. alkilani, k. sopian, m.a. alghoul, m. sohif, m.h. ruslan.  (2011).  review of solar air collectors with thermal storage units.  - renewable and sustainable energy reviews.  15:1476-1490. 

li jin goh, mohd yusof othman, sohif mat, hafidz ruslan, kamaruzzaman sopian.  (2011).  review of heat pump systems for drying application.  - renewable and sustainable energy reviews.  15:4788-4796. 

kamaruzzaman sopian, baharuddin ali, nilofar asim.  (2011).  strategies for renewable energy applications in the organization of islamic conference (oic) countries.  - renewable and sustainable energy reviews.  15:4706- 4725. 

tamer khatib, a. mohamed, k. sopian, m. mahmoud.  (2011).  optimal sizing of building integrated hybrid pv/diesel generator system for zero load rejection for malaysia.  - energy and buildings.  43:3430-3435. 

f. hussain, m. y. h. othman, b. yatim, h. ruslan, k. sopian, z. anuar, s. khairuddin.  (2011).  fabrication and irradiance mapping of a low cost solar simulator for indoor testing of solar collector.  - journal of solar energy engineering.  133(4):Art. no. 044502. 

r. daghigh, m.h. ruslan, k. sopian.  (2011).  advances in liquid based photovoltaic/thermal (pv/t) collectors.  - renewable and sustainable energy reviews.  15(8):4156-4170. 

m.h. yazdi, s. abdullah, i. hashim, k. sopian.  (2011).  slip mhd liquid flow and heat transfer over non-linear permeable stretching surface with chemical reaction.  - international journal of heat and mass transfer.  54(15-16):3214-3225. 

ronak daghigh , adnan ibrahim, goh li jin, mohd hafidz ruslan, kamaruzzaman sopian.  (2011).  predicting the performance of amorphous and crystalline silicon based photovoltaic solar thermal collectors.  - energy conversion and management.  52: 1741-1747. 

m.i. fadhel, k.sopian, w.r.w.daud, m.a. alghoul.  (2011).  review on advanced of solar assisted chemical heat pump dryer for agriculture produce.  - renewable and sustainable energy reviews.  15:1152-1168. 

adnan ibrahim, mohd yusof othman, mohd hafidz ruslan, sohif mat, kamaruzzaman sopian.  (2011).  recent advances in flat plate photovoltaic/thermal (pv/t) solar collectors.  - renewable and sustainable energy reviews.  352-365. 

dalia attan, m.a. alghoul, b.b. saha, j. assadeq, k. sopian.  (2011).  the role of activated carbon fiber in adsorption cooling cycles.  - renewable and sustainable energy reviews.  15:1708-1721. 

ronak daghigh, mohd hafidz ruslan, mohamad yusof sulaiman, kamaruzzaman sopian.  (2010).  review of solar assisted heat pump drying systems for agricultural and marine products.  - renewable and sustainable energy reviews.  14:2564-2579. 

m.i. fadhel, k. sopian, w.r.w. daud.  (2010).  performance analysis of solar-assisted chemical heat-pump dryer.  - solar energy.  84:1920-1928. 

m.i. kabir, zahari ibrahim, kamaruzzaman sopian, nowshad amin.  (2010).  effect of structural variations in amorphous silicon based single and multi-junction solar cells from numerical analysis.  - solar energy materials & solar cells.  94:1542-1545. 

a. fudholi, k. sopian, m.h. ruslan, m.a. alghoul, m.y. sulaiman.  (2010).  review of solar dryers for agricultural and marine products.  - renewable and sustainable energy reviews.  14(1):1-30. 

dihrab s.s., sopian k..  (2010).  electricity generation of hybrid pv/wind systems in iraq.  - renewable energy.  35(6):1303-1307. 

nowshad amin, m. a. matin, m. m. aliyu, m. a. alghoul, m. r. karim, and k. sopian.  (2010).  prospects of back surface field effect in ultra-thin high-efficiency cds/cdte solar cells from numerical modeling.  - international journal of photoenergy.  2010:1-8. 

mohd yusof othman, baharudin yatim, kamaruzzaman sopian and mohd nazari abu bakar.  (2007).  performance studies on a finned double-pass photovoltaic/thermal (pv/t) solar collector.  - desalination.  209(1-3):43-49. 

kamaruzzaman sopian and wan ramli wan daud.  (2006).  challenges and future developments in proton exchange membrane fuel cells.  - renewable energy.  31(5):719-727.