带隙可调三阳离子钙钛矿的光电建模

2023 40th National Radio Science Conference (NRSC) Pub Date : 2023-05-30 DOI:10.1109/NRSC58893.2023.10153045

Karim Sewilam, M. Fedawy, Hesham Aly

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引用次数: 0

摘要

有机无机杂化钙钛矿太阳能电池(PSC)自应用于光伏产业以来，表现出了优异的性能。近年来，许多研究人员正在对混合阳离子钙钛矿进行研究，以达到最佳的组成和效率。三阳离子钙钛矿的特点是其大的带隙可调性，这有助于它们在单太阳能电池和串联太阳能电池中建模。本文利用二维光学和电学计算模型，通过调整带隙吸收层(1.54-2.11 eV)在不同溴化物浓度下的带隙吸收层，研究了铯甲酰胺甲基铵碘化溴化铅Cs0.05 FA0.8 MA0.15 Pb (I1-x Brx)3的太阳能电池特性。优化了电子传输层(ETL)的导带偏移量和接触/空穴传输层(HTL)接口的金属功函数，以达到最佳性能。ITO/TiO2/CsFAMAPbIBr/CuSCN/Au结构的短路电流(Jsc)为20.789 mA/cm2，开路电压为1.14 V，功率转换效率(PCE)为17.830%。

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Optical Electrical Modeling of Band Gap Tunable Triple Cation Perovskite

Organic inorganic hybrid perovskite solar cells (PSC) showed high performance since their use in photovoltaic industry. Recently, mixed cation perovskites are being studied by many researchers to reach the best composition and efficiency. Triple cation perovskites are characterized by their large band gap tunability which help them be modeled for single and tandem solar cells. In this paper we present solar cell characteristics of Cesium Formamidinium Methylammonium Lead Iodide Bromide Cs0.05 FA0.8 MA0.15 Pb (I1-x Brx)3 by tunning the band gap absorber layer from (1.54-2.11 eV) at different bromide concentrations using a computational 2D optical and electrical model. The conduction band offset of Electron Transport Layer (ETL) as well as the metal work function of the Contact/Hole Transport Layer (HTL) interface were optimized to reach the best performance. The structure ITO/TiO2/CsFAMAPbIBr/CuSCN/Au results in a short circuit current (Jsc) 20.789 mA/cm2 an open circuit voltage Voc 1.14 V and power conversion efficiency (PCE) of 17.830%.

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来源期刊

2023 40th National Radio Science Conference (NRSC)

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