材料科学
钙钛矿(结构)
太阳能电池
三碘化物
卤化物
能量转换效率
钙钛矿太阳能电池
图层(电子)
光电子学
锗
化学工程
纳米技术
无机化学
硅
化学
电极
电解质
色素敏化染料
物理化学
工程类
作者
Vaibhava Srivastava,R. K. Chauhan,Pooja Lohia
出处
期刊:Emerging Materials Research
[Thomas Telford Ltd.]
日期:2023-03-01
卷期号:12 (1): 37-46
被引量:9
标识
DOI:10.1680/jemmr.22.00059
摘要
Cesium tin-germanium triiodide (CsSn 0.5 Ge 0.5 I 3 ) is an efficient inorganic halide perovskite with good stability that has received wide attention in recent years. In the present study, a lead-free perovskite solar cell structure was designed with zinc selenide (ZnSe) as the electron transport layer (ETL), CsSn 0.5 Ge 0.5 I 3 as the perovskite absorber layer and poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine] (PTAA) as the hole transport layer (HTL). For a more practical understanding of the solar cell, several parameters such as absorber thickness, defect density, doping concentration of the absorber layer, interface defects and working point temperature were examined. The SCAPS-1D simulator was used for the analysis of the proposed device. The power conversion efficiency of the device was obtained as 23.15% with V OC = 1.07 V, J SC = 27.24 mA/cm 2 and fill factor = 78.82% at an 800 nm thickness of the CsSn 0.5 Ge 0.5 I 3 absorber layer. Selection of best material and easy fabrication process is necessary for development of highly efficient and environmentally friendly perovskite solar cells.
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