CsSnGeI3/FASnI3双吸收层无铅钙钛矿太阳能电池性能研究
Performance Study of Lead-Free Perovskite Solar Cells with CsSnGeI3/FASnI3 Dual Absorption Layers
DOI: 10.12677/ms.2026.165119, PDF,    科研立项经费支持
作者: 丁熙娅*, 陈卓颜, 陈金耀, 王 希, 张 馨, 刘邦震：兴义民族师范学院物理与工程技术学院，贵州 兴义；王传坤#：兴义民族师范学院物理与工程技术学院，贵州 兴义；黔西南州微纳功能材料重点实验室，贵州 兴义
关键词: 无铅钙钛矿太阳能电池；双吸收层；SCAPS-1D；界面缺陷；Lead-Free Perovskite Solar Cells； Dual-Absorption Layer； SCAPS-1D； Interface Defects
摘要: 基于SCAPS-1D软件构建CsSnGeI3/FASnI3双吸收层无铅钙钛矿太阳能电池并进行数值模拟研究。研究表明双吸收层结构可有效拓宽光谱响应范围，提升器件性能，双吸收层器件光电转换效率(PCE)为26.26%，优于单吸收层器件(19.95%)。通过优化CsSnGeI3和FASnI3吸收层厚度，FASnI3/CsSnGeI3界面缺陷态密度TiO2电子传输层厚度Cu2O空穴传输层厚度等参数对提升高效无铅钙钛矿太阳能电池的结构设计与性能优化提供了理论指导。
Abstract: Lead-free perovskite solar cells (PSCs) with a dual-absorption layer incorporating CsSnGeI3/FASnI3 were produced and evaluated using SCAPS-1D software. The research illustrates that the dual-absorption layer configuration notably widens the spectral response range and boosts device efficiency. The power conversion efficiency (PCE) of the dual-absorption layer device achieves 26.26%, outperforming the single-absorption layer device (19.95%). Fine-tuning the thickness of CsSnGeI3 and FASnI3 layers, the defect state density at the FASnI3/CsSnGeI3 interface, as well as the thickness of the TiO2 electron transport layer and the Cu2O hole transport layer, provides valuable insights for improving the structural design and performance of high-efficiency lead-free PSCs.
文章引用：丁熙娅, 陈卓颜, 陈金耀, 王希, 张馨, 刘邦震, 王传坤. CsSnGeI3/FASnI3双吸收层无铅钙钛矿太阳能电池性能研究[J]. 材料科学, 2026, 16(5): 257-265. https://doi.org/10.12677/ms.2026.165119

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