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对CdS电子输送层进行KCl处理,以提高Sb₂(S,Se)₃太阳能电池的性能

Aoxing Liu¹, Rongfeng Tang¹, Lei Huang¹

¹Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, No. 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China.

ACS applied materials & interfaces

|October 4, 2023

概括

化后处理通过减少硫化粗性和提高导电性来改善硫化太阳能电池. 这种表面工程提高了9.2%的效率,以获得更好的薄膜太阳能电池性能.

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:

抗硫二氧化物 (Sb₂(S,Se) ₃) 是一个有前途的光伏材料,由于其优良的光学和电气性能.
硫化 (CdS) 通常用于Sb2太阳能电池中的电子输送层 (ETL),但其表面粗性和低导电性限制了设备的效率.
现有CdS ETL的挑战包括F-doped氧化玻璃的高表面粗度和影响导电性的薄膜纯度差.

研究的目的:

研究化 (KCl) 后处理对修改CdSETL以提高Sb2的效率的有效性.
为了解决CdS ETL的局限性,特别是表面粗性和导电性问题.
为薄膜太阳能电池中的CdS层提供一种新的表面工程方法.

主要方法:

水热沉积被用来制造Sb₂(S,Se)₃薄膜.
硫化 (CdS) 薄膜作为电子输送层 (ETL) 准备好.
对CdS ETL进行化 (KCl) 后处理,以修改其表面特性.

主要成果:

在KCl的后处理有效地降低了CdS薄膜的表面粗度.
在KCl处理后,CdS膜的导电性显著提高.
采用KCl处理的CdS ETL太阳能电池达到9.98%的最大功率转换效率,与控制装置相比增加了9.2%.

结论:

化 (KCl) 后处理是CdSETL表面工程的一个可行的方法.
在降低粗性和提高导电性方面,KCl的双重作用导致Sb₂(S,Se)₃太阳能电池性能得到改善.
这种方法为推进基于CdS的薄膜太阳能电池的效率提供了一个有希望的策略.

关键词:

在 KCl KCl 中,Sb2(S,Se) 3 这样的话.抗氧化的硫化.接口工程接口工程接口工程太阳能电池是一个太阳能电池.

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