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Optical losses of frontal layers in superstrate cds/cdte solar cells using opal2

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dc.citedby1
dc.contributor.authorAmin N.en_US
dc.contributor.authorKarim M.R.en_US
dc.contributor.authorAlothman Z.A.en_US
dc.contributor.authorid7102424614en_US
dc.contributor.authorid56820318000en_US
dc.contributor.authorid35085715800en_US
dc.date.accessioned2023-05-29T09:06:27Z
dc.date.available2023-05-29T09:06:27Z
dc.date.issued2021
dc.description.abstractIn this paper, optical losses in CdS/CdTe solar cells are calculated on the basis of the designated reflective index of various frontal layers using an OPAL2 calculator for the first time. Two types of glass (0.1 mm ultra-thin Schott and 1.1 mm standard borosilicate glass) were assumed to be coated by different Transparent-Conducting-Oxides (TCOs) such as SnO2:F, ZnO:Al, and ITO forming frontal layers for CdS/CdTe solar cells in superstrate configuration. Absorption, reflectance, transmittance, and consequently optical bandgap energies are calculated as a function of common thicknesses, used in the literature. The results show that an increase in TCO thickness led to a decrease in optical band gap as well as an enhancement in contact potential difference, which can deteriorate device performance. The optimum thickness of 100 nm for SnO2:F was calculated, while 200 nm for ZnO:Al and ITO show reasonable optical losses caused by reflections at the interfaces� and the layer�s absorption. It is seen that 80 to 150 nm CdS on ITO might be an effective range to satisfy a high short circuit current and low defect densities at the CdS/CdTe interface. Finally, a minimum 2 ?m thickness for the CdTe on the ultra-thin Schott glass coated by optimum layers can result in the highest short circuit current of 28.69 mA/cm2. This work offers a practical equivalent strategy to be applied for any superstrate solar cells containing TCO and CdS frontal layers. � 2021 by the authors. Licensee MDPI, Basel, Switzerland.en_US
dc.description.natureFinalen_US
dc.identifier.ArtNo943
dc.identifier.doi10.3390/coatings11080943
dc.identifier.issue8
dc.identifier.scopus2-s2.0-85112174149
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85112174149&doi=10.3390%2fcoatings11080943&partnerID=40&md5=8d8c8bb0072764f93d9ccc7b859dae6f
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/26061
dc.identifier.volume11
dc.publisherMDPI AGen_US
dc.relation.ispartofAll Open Access, Gold
dc.sourceScopus
dc.sourcetitleCoatings
dc.titleOptical losses of frontal layers in superstrate cds/cdte solar cells using opal2en_US
dc.typeArticleen_US
dspace.entity.typePublication
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