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Updated: May 23, 2025

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对于高性能Sb2(S,Se) 3太阳能电池的InCl3修饰的In2O3/CdS双电子传输层

Chuanyu Liu¹, Zixiu Cao¹, Wei Cheng¹

¹Institute of Photoelectronic Thin Film Devices and Technology, State Key Laboratory of Photovoltaic Materials and Cells, and Engineering Research Center of Thin Film Optoelectronics Technology, Ministry of Education, Nankai University, Tianjin 300350, China.

The Journal of chemical physics

|May 22, 2025

概括

用化修饰的氧化改善了硫化太阳能电池的性能. 这种接口工程增强了载体运输,并将功率转换效率提高到7.44%.

科学领域:

材料科学材料科学材料科学
可再生能源是可再生能源的来源.
半导体物理半导体物理

背景情况:

阳能电池提供了丰富的资源和良好的光电性能.
设备性能通常受到差异连接接口的限制,特别是PN连接口.

研究的目的:

为了提高Sb2(S,Se) 3太阳能电池中的P-N异质连接质量.
通过界面修改来提高载体运输和整体设备效率.

主要方法:

使用化修饰的氧化 (InCl3-修饰的In2O3) 来定制PN异质连接.
沉积在修改后的In2O3层上的硫化 (CdS).
用于Sb2 ((S,Se) 3薄膜制造的蒸汽运输沉积.

主要成果:

显著改善了CdS层质量,并定制了导电带偏移.
增强了Sb2(S,Se) 3膜的偏向方向,增加了内置电压.
使用InCl3修饰的In2O3辅助的CdS双电子传输层,实现了7.44%的功率转换效率.

结论:

通过优化异质连接接口,InCl3-修改后的In2O3有效地提高了Sb2(S,Se) 3太阳能电池的性能.
这种接口修改策略对于提高太阳能电池效率是有价值的,并为未来的研究提供了参考.

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相关概念视频

P-N junction

P-N junction

A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...