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有效和稳定的倒置矿太阳能电池由富勒基孔运输分子启用

Jiefeng Luo¹, Hui Zhang¹, Chao Sun¹

¹Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, Institute of Luminescent Materials and Information Displays, College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China.

Angewandte Chemie (International ed. in English)

|August 16, 2024

概括

一种基于富勒的新型分子 (FHTM) 提高了孔运输和矿质量,将太阳能电池效率提高到25.58%. 经过修改的设备显示出出色的稳定性,在经过1000小时的运行后保持93%的效率.

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.
太阳能光伏发电是如何实现的

背景情况:

在NiO_x/矿接口的非辐射重组阻碍了反转矿太阳能电池 (PSC) 的性能.
提高矿膜质量对于高效的PSC至关重要.

研究的目的:

设计和合成一种基于富勒的新型孔运输分子 (FHTM) 用于界面修改.
使用FHTM提高PSC的电荷运输和矿质量.

主要方法:

通过将C₆₀与炭醇部分集成,合成了一种新的基于富勒的分子 (FHTM).
在NiO_x/矿接口上应用FHTM作为修改层.
研究了电子性质,接口相互作用和矿膜形态.

主要成果:

FHTM证明了现场的自我兴奋剂效应和增强洞的移动性.
优化的能量水平对齐和接口相互作用改善了孔挖掘和运输.
FHTM促进了均的矿核化,从而产生了高质量的薄膜.
获得了25.58%的冠军PSC效率 (认证25.04%),显著超过控制 (20.91%).
显示出极好的设备稳定性,在1000小时的连续照明后保持93%的初始效率.

结论:

功能化的富勒烯显示出作为PSC的有效孔运输材料的潜力.
FHTM成功地减轻了非辐射重组,并提高了设备的性能和稳定性.
这项工作为开发高性能矿太阳能电池的先进材料开辟了新的途径.

关键词:

富勒伦的衍生品富勒伦衍生品孔运输材料的运输材料是什么界面修改界面修改在分子内转移电子.倒置矿太阳能电池是一种反向的太阳能电池.

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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...