nour attallah issa, sin tee tan, chin hua chia, kam sheng lau, mohammad hafizuddin hj jumali, kok-keong chong, chi chin yap.  (2025).  incorporation of cadmium sulfide quantum dots in photoactive layer of quaternary organic solar cell.  - optical materials.  1 - 5. 

nadhirah aidil zulkafli, caceja elyca anak bundak, mohd amiruddin abd rahman, chi chin yap, kok-keong chong, sin tee tan.  (2024).  prediction of device performance in sno2 based inverted organic solar cells using machine learning framework.  - solar energy.  1 - 9. 

kai jeat hong, sin tee tan, kam sheng lau, chi chin yap, chun hui tan, yiin jian low, josephine ying chyi liew, chin hua chia, kok-keong chong.  (2023).  interfacial modification of lif-incorporated mno2 mixed p3ht:pc60bm-based organic photoactive layer.  - optical materials.  1-9. 

kai jeat hong, nur farah hanun wira, nur elmira melissa binti hilmi rizal, nour attallah issa, kam sheng lau, chi chin yap, sin tee tan, josephine ying chyi liew, chin hua chia, kok-keong chong.  (2023).  structural modification and conductivity enhancement of nicl2 incorporated p3ht: pc60bm based organic photoactive layer.  - optical materials.  1-8. 

mohamed nafeer wajidh, chi chin yap, nour attallah issa, kam sheng lau, sin tee tan, mohammad hafizuddin hj jumali, muslizainun mustapha, chin hua chia.  (2023).  photovoltaic performance improvement of inverted type organic solar cell by co-introducing isopropanol and carbon quantum dots in photoactive layer.  - journal of materials science: materials in electronics.  1-9. 

noorakmar hidayah binti mohamed hashini, mohammad hafizuddin hj jumali, chi chin yap.  (2025).  improved performance of p3ht:pcbm-based inverted organic solar cell using sno2/zno electron transport bilayer for low light application.  - sains malaysiana.  1583 - 1592. 

mohamed nafeer wajidh, nour attallah issa, kam sheng lau, sin tee tan, chin hua chia, muslizainun mustapha, mohammad hafizuddin hj jumali, chi chin yap.  (2024).  enhancing indoor photovoltaic performance of inverted type organic solar cell by controlling photoactive layer solution concentration.  - sains malaysiana.  3509 - 3518. 

farah liyana khairulaman, chi chin yap, mohammad hafizuddin hj jumali & nour atallah issa.  (2022).  pengoptimuman lapisan p3ht:pcbm terdop cui dalam sel suria organik jenis songsang untuk aplikasi cahaya dalam.  - sains malaysiana.  4059-4069. 

nurul nadhirah binti md ridzuan, chi chin yap.  (2022).  kesan suhu rendaman dan suhu sepuh lindap dalam penyediaan filem nipis bismut sulfida (bi2s3) terhadap prestasi sel suria organik jenis songsang berasaskan p3ht: pcbm.  - sains malaysiana.  4099-4110. 

araa mebdir holi, zulkarnain zainal, asmaa kadim ayal, sook-keng chang, hong ngee lim, zainal abidin talib, chi-chin yap.  (2019).  ag2s/zno nanorods composite photoelectrode prepared by hydrothermal method: influence of growth temperature.  - optik.  473-479. 

noorakmar hidayah binti mohamed hashini, mohammad hafizuddin hj jumali, chi chin yap.  (2025).  improved performance of p3ht:pcbm-based inverted organic solar cell using sno2/zno electron transport bilayer for low light application.  - sains malaysiana.  1583 - 1592. 

nour attallah issa, sin tee tan, chin hua chia, kam sheng lau, mohammad hafizuddin hj jumali, kok-keong chong, chi chin yap.  (2025).  incorporation of cadmium sulfide quantum dots in photoactive layer of quaternary organic solar cell.  - optical materials.  1 - 5. 

nadhirah aidil zulkafli, caceja elyca anak bundak, mohd amiruddin abd rahman, chi chin yap, kok-keong chong, sin tee tan.  (2024).  prediction of device performance in sno2 based inverted organic solar cells using machine learning framework.  - solar energy.  1 - 9. 

mohamed nafeer wajidh, nour attallah issa, kam sheng lau, sin tee tan, chin hua chia, muslizainun mustapha, mohammad hafizuddin hj jumali, chi chin yap.  (2024).  enhancing indoor photovoltaic performance of inverted type organic solar cell by controlling photoactive layer solution concentration.  - sains malaysiana.  3509 - 3518. 

kai jeat hong, sin tee tan, kam sheng lau, chi chin yap, chun hui tan, yiin jian low, josephine ying chyi liew, chin hua chia, kok-keong chong.  (2023).  interfacial modification of lif-incorporated mno2 mixed p3ht:pc60bm-based organic photoactive layer.  - optical materials.  1-9. 

taif saad al maadhde, mohammad hafizuddin jumali, hadi j.m.al-agealy, fatimah abdul razak, chi chin yap.  (2021).  an investigation of the fill factor and efficiency of molecular semiconductor solar cells.  - 3rd international scientific conference of alkafeel university, iscku 2021.  373-381. 

hasiah salleh, nora'aini ali, chi chin yap, azhar mohd sinin, nurhayati ishak, nurul huda kamarulzaman, salmah mohd ghazali, nik aziz nik ali.  (2020).  determination of homo and lumo level of polythiophene, poly(3-thiophene acetic acid), polypyrrole and chlorophyll via cyclic voltammetry method.  - 30th regional conference of solid state science and technology (solid state phenomena).  207-216. 

masliana muslimin, mohammad hafizuddin jumali, tan sin tee, lee hock beng, tan chun hui & yap chi chin.  (2018).  influence of zr doping on structure and morphology of tio2 nanorods prepared using hydrothermal method.  - the 2017 ukm fst postgraduate colloquium, aip conference proceedings.  . 

mohammad hafizuddin hj jumali, zalita zainuddin & chi chin yap.  (2017).  preface: the 1st ukm-isesco-comsats international workshop on nanotechnology for young scientists.  - the 1st ukm-isesco-comsats international workshop on nanotechnology for young scientists (iwys2016).  . 

hind fadhil oleiwi, azmi zakaria, chi chin yap, haidr abdulzahra abbas, sin tee tan, hock beng lee, chun hui tan, riski titian ginting, abdelelah alshanableh, and zainal abidin talib.  (2017).  enhanced photovoltaic performance of cds-sensitized inverted organic solar cells prepared via a successive ionic layer adsorption and reaction method.  - the 1st ukm-isesco-comsats international workshop on nanotechnology for young scientists (iwys2016), aip conference proceedings.  20007. 

eng liang lim, chi chin yap, mohd asri mat teridi.  (2022).  organic solar cells.  - .  82-112. 

farah liyana khairulaman, chi chin yap.  (2020).  effect of ultrasonic agitation and spin coating speed on the photovoltaic properties of inverted organic solar cell using solution-dispersed copper iodide as anode buffer layer.  - .  153-159. 

akmal sabarudin, murshida marizan nor, yap chi chin.  (2018).  integrating gamification into business development.  - .  334-368. 

farah liyana khairulaman, eng liang lim, chi chin yap.  (2017).  kesan penggunaan tungsten oksida sebagai lapisan pengangkut lohong terhadap prestasi sel suria organik jenis songsang.  - .  22-25. 

akmal sabarudin, murshida marizan nor, yap chi chin.  (2017).  integrating gamification into business development.  - .  335-386. 

yap chi chin, chin mai ying.  (2025).  pasukan malaysia berjaya meraih dua pingat gangsa dalam international physics olympiad (ipho) 2025.  - majalahsains.  . 

chi chin yap, farah liyana khairulaman.  (2023).  sel suria organik - sumber tenaga untuk peranti berkuasa rendah dalam bangunan.  - majalah sains.  1-4. 

chi chin yap.  (2023).  salah konsep dalam menganalisis litar elektrik asas.  - majalah sains.  1-4. 

farah liyana khairulaman, chi chin yap, mohammad hafizuddin hj jumali & nour atallah issa.  (2022).  pengoptimuman lapisan p3ht:pcbm terdop cui dalam sel suria organik jenis songsang untuk aplikasi cahaya dalam.  - sains malaysiana.  4059-4069. 

nurul nadhirah binti md ridzuan, chi chin yap.  (2022).  kesan suhu rendaman dan suhu sepuh lindap dalam penyediaan filem nipis bismut sulfida (bi2s3) terhadap prestasi sel suria organik jenis songsang berasaskan p3ht: pcbm.  - sains malaysiana.  4099-4110. 

yap chi chin, chin mai ying.  (2025).  pasukan malaysia berjaya meraih dua pingat gangsa dalam international physics olympiad (ipho) 2025.  - majalahsains.  . 

fatin saiha binti omar;yap chi chin.  (2023).  metal chalcogenide as binder-free faradaic electrode material for flexible supercapattery application.  - .  . 

yap chi chin;mohammad hafizuddin bin jumali;rozidawati binti awang.  (2023).  role of cadmium selenide-coated carbon quantum dots in photoactive layer of indoor organic photovoltaics.  - .  . 

chia chin hua;sarani bt. zakaria;yap chi chin;chin siew xian.  (2023).  three-dimensional hierarchical and multifunctional porous nanocomposite frameworks for advanced applications.  - .  . 

chi chin yap, farah liyana khairulaman.  (2023).  sel suria organik - sumber tenaga untuk peranti berkuasa rendah dalam bangunan.  - majalah sains.  1-4.