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11.88%高效的灵活的无CZTSSe太阳能电池:自发地调整性金属水平

Han Xu¹, Rutao Meng¹, Xuejun Xu¹

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.

Small (Weinheim an der Bergstrasse, Germany)

|October 12, 2024

概括

结合金属是高效的铜锡硫化 (CZTSSe) 太阳能电池的关键. 一种新的方法控制分布,提高灵活的CZTSSe电池效率到11.88%,没有银.

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.
太阳能光伏发电是如何实现的

背景情况:

金属对于高效铜锡硫化 (CZTSSe) 太阳能电池至关重要.
灵活的CZTSSe太阳能电池落后于刚性太阳能电池,原因是控制含量和分布的挑战.
现有的结合方法限制了灵活的CZTSSe设备的性能.

研究的目的:

为调节金属含量和分布在CZTSSe吸收层中开发一种易于性合并的方法.
通过优化性兴奋剂来提高柔性CZTSSe太阳能电池的效率.
调查控制性兴奋剂对薄膜质量,载体运输和CZTSSe的重组的影响.

主要方法:

采用了一种新的性结合方法来控制性金属含量和吸收层中的分布.
该方法允许将金属水平自发调整到最佳范围.
电影质量的表征,带结构和载体传输特性.

主要成果:

提出的方法有效地调节了CZTSSe膜中的金属含量和分布.
非辐射重组被抑制,载体运输得到增强.
一个冠军灵活的CZTSSe太阳能电池实现了11.88%的创纪录效率,而没有贵族银的兴奋剂.
这代表了没有银的灵活CZTSSe太阳能电池报告的最高效率.

结论:

简易性合并方法是高性能灵活CZTSSe太阳能电池的创新设计.
控制的性兴奋剂显著提高了片质量和电子特性,从而提高了效率.
这项工作为CZTSSe光伏中的金属兴奋剂的作用和优化提供了宝贵的见解.

关键词:

含有性金属的含量性兴奋剂是一种性兴奋剂.灵活的太阳能电池是灵活的太阳能电池.凯斯特里特人凯斯特里特人

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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...