Journal of Nanostructures، جلد ۱۰، شماره ۱، صفحات ۱۱۹-۱۲۷

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عنوان انگلیسی High efficient Perovskite solar cells base on Niobium Doped TiO2 as a Buffer Layer
چکیده انگلیسی مقاله Here, the effect of lightly Niobium doped TiO2 layer on the performance of perovskite solar cells has been studied by using solar cell capacitance simulator (SCAPS). N addition, the effects of Niobium concentration, buffer film thickness and operating temperature on the performance of the perovskite solar cell are investigated. For doping level of 3.0 mol% into the TiO2 layer, cell efficiency of 18.26% with Voc of 0.96 V, Jsc of 22.45 mA/ cm2 and FF of 84.25% has been achieved. Calculations show that thickness widening of Nb-doped TiO2 layer would decrease the efficiency and Voc of the cells. Increase in operating temperature from 300 k to 400 k would weaken the performance of the perovskite solar cell with both pure and Nb-doped TiO2 layers. However, the cell with Nb-doped TiO2 layer shows higher stability than the cell with pure TiO2 buffer at higher temperatures. The efficiency of the cell with pure and doped buffer layers decreased from 15.52% to 11.47% (with 26.09% reduction) and 18.26% to 14.07% (with 22.9% declination), respectively. Therefore, the cell with doped buffer layer shows better stability at higher operating temperatures
کلیدواژه‌های انگلیسی مقاله Perovskite solar cell, Niobium doped TiO2, buffer layer

نویسندگان مقاله Ardeshir Baktash |
Centre for Theoretical and Computational Molecular Science, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia

Omid Amiri |
Chemistry Department, college of science, University of Raparin, Rania, Kurdistan Region, Iraq

Mohsen Saadat |
Chemistry Department, college of science, University of Sistan and Baluchestan, P.O. Box 87317-51167, Iran

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