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Iranian Journal of Materials Science and Engineering، جلد ۱۸، شماره ۴، صفحات ۰-۰
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عنوان انگلیسی Surface Modification of the SnO2 Layer Using UV-Ozone in a Perovskite Solar Cell with a Planar Structure
چکیده انگلیسی مقاله Tin oxide (SnO2) is used as an electron transport layer (ETL) in perovskite solar cells with a planar structure due to its good transparency and energy level alignment with the perovskite layer. The modification interface of the electron transport layer and the perovskite absorber layer plays an important role in the efficient charge extraction process at the interface. In this study, planar perovskite solar cells with configuration (FTO/SnO2/mixed-cation perovskite/CuInS2/Au) were prepared to investigate the effect of UV-Ozone (UVO) treated SnO2 as ETL on the performance of devices. ETL treatment was performed at different times (0 to 60 min). It is shown that surface wetting was improved by UVO treating the SnO2 films prior to deposition of the perovskite layer. The latter improves the contact between the ETL and the perovskite layer, allowing more efficient electron transport at the interface. Contact angle, SEM, photoluminescence spectra, and the current density-voltage tests were conducted to characterize the photovoltaic of the cells. The best PSC performance with a power conversion efficiency of 10.96% was achieved using UVO-treated SnO2 ETL for 30 min, whereas the power conversion efficiency of the perovskite solar cells with SnO2 ETL without UVO treatment was only 4.34%.
کلیدواژه‌های انگلیسی مقاله SnO2,UV-Ozone,treatment,planar perovskite solar cell
نویسندگان مقاله | Mohammad Reza Zamani Meymian
Department of Physics, Iran University of Science and Technology


| Razieh Keshtmand
Department of Physics, Iran University of Science and Technology
نشانی اینترنتی http://ijmse.iust.ac.ir/browse.php?a_code=A-10-1845-2&slc_lang=en&sid=1
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Research Paper
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