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year 27, Issue 1 (Iranian Nano-Photonic Conference 2020 2020)
ICOP & ICPET _ INPC _ ICOFS 2020, 27(1): 88-90 |
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Khatapoosh L, Majidzadeh N, Asgharizadeh S. Influence of interface trap concentration on the performance of MAPbI3 Perovskite solar cells. ICOP & ICPET _ INPC _ ICOFS 2020; 27 (1) :88-90
URL: http://opsi.ir/article-1-2262-en.html
URL: http://opsi.ir/article-1-2262-en.html
1- Research Institute for Applied Physics and Astronomy, University of Tabriz, Tabriz, Iran
Abstract: (1078 Views)
In this paper, we have performed a numerical simulation study to investigate the effects of interface trap concentration on device behavior. For this purpose, we chose interface trap density from 1011 to 1015 cm-3 in MAPbI3/spiro-OMeTAD interface layer. Based on our results, when the interface defects density is below the 1013 cm-3, cell efficiency dropped about 2%, where Jsc is constant and Voc decreases linearly. By increasing the interface effect density from 1013 cm-3 to 1015 cm-3, the cell efficiency falls down dramatically from 23% to about 6%. Simulation results showed that by increasing the interface traps density, Jsc and Voc decrease 65% and 20%, respectively, where cell efficiency decreases significantly more than 75%, which concludes that the main loses of charge carriers occurs in interface layers. Quantum efficiency results show considerably decreasing when trap density is above 1013 cm-3.
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