对MASnI3/CZT(Se1- S ) 接口进行数值分析,以通过带偏移工程来提高性能
Rasmiah S Almufarij1, Muazma Jamil2, M Yasir Ali2
1Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University P. O. Box 84428 Riyadh 11671 Saudi Arabia.
RSC advances
|May 21, 2025
概括
这项研究探讨了一种新的无机孔运输层,用于基矿太阳能电池 (PSC). 优化 CuZnSn ((SeS) 中的 S 含量实现了 18.29% 的功率转换效率,突出了精确的频段对齐的重要性.
科学领域:
- 材料科学 材料科学 材料科学
- 可再生能源可再生能源是可再生能源.
- 半导体物理 半导体物理
背景情况:
- 基矿太阳能电池 (PSC) 为光伏提供了一个无的替代方案.
- 有效的孔运输层 (HTL) 对PSC性能至关重要.
- CuZnSn ((SeS) 是一种可调节的无机HTL候选物.
研究的目的:
- 研究CuZnSn ((SeS) 作为基PSC的无机HTL.
- 通过带隙和价值带偏移工程来优化PSC效率.
- 探索S/(S+Se) 比率对设备性能的影响.
主要方法:
- 使用SCAPS模拟器进行设备模拟.
- 通过调整S/(S+Se) 比率来调整CuZnSn(SeS) 的带隙调整.
- 在矿/HTL接口的价值带偏移 (VBO) 工程.
主要成果:
- CuZnSn(SeS) 显示了一个可调节带间隙,从0.95 eV (CZSe) 到1.5 eV (CZS).
- 通过优化S.含量实现了18.29%的功率转换效率 (PCE).
- 通过使用CZTSe0.4S0.6.6确定了0.22 eV的最佳VBO.
结论:
- CuZnSn ((SeS) 是一个有前途的无机HTL用于锡基PSCs.
- 精确的VBO工程对于高性能PSC至关重要.
- 这项工作通过材料优化推进太阳能转换.
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