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Improving the performance of planar perovskite solar cell using NH4Cl treatment of SnO2 as electron transport layer
, Article Surfaces and Interfaces ; Volume 28 , 2022 ; 24680230 (ISSN) ; Zamani Meymian, M. R ; Taghavinia, N ; Sharif University of Technology
Elsevier B.V
2022
Abstract
Here in this research, a modified interface between the electron transport layer (ETL) and the perovskite layer in a perovskite solar cell (PSC) is provided by adding the ammonium chloride (NH4Cl) to the tin oxide (SnO2) as the modified ETL of a planar structure as follows: fluorine-doped tin oxide (FTO)/NH4Cl-SnO2/Mixed cation perovskite/Copper indium disulfide (CIS)/Gold (Au). The effects of NH4Cl on ETL are investigated in different amounts from 0.003 to 0.02 M and the best results were obtained in the amount of 0.013 M. The best NH4Cl-SnO2 ETL could increase the power conversion efficiency (PCE) of fabricated planar PSC by 16.79% with open-circuit voltage (Voc) of 1.15 V and negligible...