zamir-ul hassan, syed raza ali raza , jamal kazmi, waqar mahmood, mohsin rafique, mohd ambri mohamed, md khan sobayel bin rafiq, tengku hasnan tengku aziz, raja azhar saeed khan.  (2023).  thickness dependent wavelength selective nir-uv-visible photoresponse in zno nanowires and silicon heterojunction.  - ceramics international.  9115-9121. 

d.k. sarkar, m. mottakin, a.k mahmud hasan, v. selvanathan, k. sobayel, m.n.i. khan, a.f.m masum rabbani, m. shahinuzzaman, mohammod aminuzzaman, farah h. anuar, takashi suemasu, kamaruzzaman sopian, md. akhtaruzzaman.  (2023).  a comprehensive study on rbgei3 based inorganic perovskite solar cell using green synthesized cucro2 as hole conductor.  - journal of photochemistry & photobiology, a: chemistry.  1-13. 

jamal kazmi, syed raza ali raza, waqas ahmad, asad masood, abdul jalil, a.a. mohd raub, aumber abbas, md khan sobayel rafiq, mohd ambri mohamed.  (2023).  free carrier-mediated ferromagnetism in nonmagnetic ions (bi-li) codoped zno nanowires.  - physical chemistry chemical physics.  14206-14218. 

sakhr m. sultan, c. p. tso, raheem k. ajeel, k. sobayel, m. z. abdullah.  (2023).  a detailed analysis of the modified economic method for assessing the performance of photovoltaic module enhancing techniques.  - sustainability.  1-14. 

md. ariful islam, md. akhtaruzzaman, m. mottakin, vidhya selvanathan, md. shahiduzzaman, m. n. i. khan, a. f. m. masum rabbani, m. j. rashid, mohd adib ibrahim, k. sopian & k. sobayel.  (2023).  potential induced performance degradation (pid) applied on a perovskite solar cell exploring its effect on cell performance through numerical simulation.  - journal of electronic materials.  2-8. 

shamima ahmed, md akhtaruzzaman, wan zulhafizhazuan, yulisa yusoff, a alnaser ibrahim, mohammad rezaul karim, md shahiduzzaman, k sobayel.  (2023).  theoretical verification of using the ga-doped zno as charge transport layer in an inorganic perovskite solar cell.  - japanese journal of applied physics.  5-15. 

sakhr m. sultan, c.p. tso, k. sopian, raheem k. ajeel, k. sobayel, a. ibrahim, m. z. abdullah.  (2023).  development of assessment methods for photovoltaic module enhancing techniques using the lifespan parameter.  - heliyon.  2405-8440. 

md samiul islam, mohammad junaebur rashid, md akhtaruzzaman, takashi suemasu, jamal kazmi, mohammad rezaul karim, ibrahim a alnaser, k sobayel.  (2023).  exploration of cd1-xznxse as a window layer for cigs based solar cell with pedot: pss as back surface field layer.  - materials research express.  1-15. 

e.i. emon, a.m. islam, m.k. sobayel, s. islam, md akhtaruzzaman, n. amin, a. ahmed, m.j. rashid.  (2023).  a comprehensive photovoltaic study on tungsten disulfide (ws2) buffer layer based cdte solar cell.  - heliyon.  1-12. 

md. khan sobayel rafiq, md. akhtaruzzaman.  (2022).  comprehensive guide on organic and inorganic solar cells.  - .  15. 

d.k sarkar, a.k. mahmud hasan, m. mottakin, vidhya selvanathan, k. sobayel, md. ariful islam, ghulam muhammad, mohammod aminuzzaman, md. shahiduzzaman, kamaruzzaman sopian, md. akhtaruzzaman.  (2022).  lead free efficient perovskite solar cell device optimization and defect study using mg doped cucro2 as htl and wo3 as etl.  - solar energy.  215-224. 

m.mottakin, k.sobayel, mohd adib ibrahim, md akhtaruzzaman.  (2022).  determination of suitable transport layers in light of interface defect states in masnx3-based perovskite solar cell.  - physica status solidi-rapid research letters.  1-8. 

md. mahfuzul haque, samiya mahjabin, sobayel khan, mohammad ismail hossain, ghulam muhammad, md. shahiduzzaman, kamaruzzaman sopian, md. akhtaruzzaman.  (2022).  study on the interface defects of eco-friendly perovskite solar cells.  - solar energy.  96-108. 

mohamad ibrahim, p. chelvanathan, m. mottakin, ghulam muhammad, mahdi h. miraz, md. akhtaruzzaman, md. shahiduzzaman, k. sobayel, n. kamal.  (2022).  effect of cucl2 treatment on rf magnetronsputtered cdse thin films for potential photovoltaic usage.  - japanese journal of applied physics.  1-8. 

tasmin kamal tulka, nowshin alam, md akhtaruzzaman, k. sobayel, m. mofazzal hossain.  (2022).  optimization of a high-performance lead-free cesium-based inorganic perovskite solar cell through numerical approach.  - heliyon.  1-10. 

m ibrahim, p chelvanathan, mh miraz, hi alkhammash, akm hasan, md akhtaruzzaman, k althubeiti, md shahiduzzaman, k sobayel, n kamal.  (2022).  comprehensive study on cdse thin film as potential window layer on cdte solar cell by scapd-1d.  - chalcogenide letters.  33-43. 

khan sobayel bin rafiq , m. mottakin, ghulam muhammad, kuaanan techato, kamaruzzaman sopian, md. akhtaruzzaman.  (2022).  sequential optimization of highly efficient all inorganic csgei3 perovskite solar cell by numerical simulation.  - japanese journal of applied physics.  1-9. 

nabeel h alharthi, saud m almotairy, hamad f alharbi, m shahinuzzaman, monis luqman, k sobayel.  (2021).  investigation on structural and opto-electronic properties of substitutional sn doped ws2 by co-sputtering technique.  - journal of materials research and technology.  846-854. 

mahdi h. miraz, peter s. excell, khan sobayel.  (2021).  evaluation of green alternatives for blockchain proof-of-work (pow) approach.  - annals of emerging technologies in computing.  54-59.