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Updated: Sep 9, 2025

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在埋藏界面上的协同双被动化使得高效和稳定的矿太阳能电池成为可能

Jian Su¹, Qiwei Liu¹, Tao Hu¹

¹Changzhou University, Wang Zheng School of Microelectronics, School of Integrated Circuits Industry, Changzhou 213164, China.

The journal of physical chemistry letters

|September 1, 2025

概括

酸 (GAP) 通过解决SnO2接口上的缺陷来使矿太阳能电池变得无源. 这一策略提高了效率和稳定性,实现了24.12%的功率转换效率,并保持了2000小时的性能.

科学领域:

材料科学
可再生能源
太阳能发电

背景情况:

矿太阳能电池 (PSC) 由于接口缺陷而面临效率和稳定性限制.
在SnO2/矿接口的氧气和化物空缺导致非辐射重组,并阻碍载体运输.

研究的目的:

在PSC中开发埋藏SnO2/矿接口的双功能被动化策略.
提高矿太阳能电池的效率和运行稳定性.

主要方法:

使用酸 (GAP) 作为双功能消毒剂.
研究了酸盐和基在缺陷被动化和接口工程中的协同作用.
采用GAP被动化策略的制造和特征化PSC.

主要成果:

GAP可以使SnO2的氧气空缺无效,并抑制矿中的氧空缺.
实现了24.12%的冠军功率转换效率与微不足道的歇斯底里.
经过2000个小时的老化后保持了90%以上的效率.

结论:

双功能的GAP被动化战略有效地提高了PSC的性能和稳定性.
这种方法为设计矿光电子器件的分子被动器提供了一个新的范式.

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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...