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光刺激诱导的SnO₂薄膜被动化,用于高效的矿太阳能电池

Nianyao Chai¹, Xiangyu Chen¹, Zhongle Zeng¹

¹State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan430070, China.

National science review

|October 20, 2023

概括

这项研究引入了一种基于激光的新方法,用于在矿太阳能电池 (PSC) 中快速回火氧化锡电子输送层 (ETL). 这种技术显著提高了功率转换效率 (PCE) 和稳定性,为商业化铺平了道路.

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:

高性能矿太阳能电池 (PSC) 依赖于高质量的氧化 (SnO) 电子传输层 (ETL).
传统的热用于ETL制备需要高温和长时间的制造,阻碍了商业化.
缺陷被动化和改善结晶性对于有效的电荷传输和减少PSC中的再组合至关重要.

研究的目的:

开发一种新的,快速的,低温的制造技术,用于高质量的SnO2ETL.
通过使用超短激光脉冲来研究光刺激诱导的被动化潜力.
证明这种技术对高性能PSC和模块的效率和可扩展性.

主要方法:

一种非平衡,光刺激诱导的被动化技术,利用多个超短激光脉冲.
由光刺激,电子-电子和电子-声子散射驱动的超快速回火过程.
快速激光光束扫描可将火时间缩短到几分钟.

主要成果:

在SnO₂中有效地被动化表面和散装缺陷,从而改善结晶性.
抑制载体重组和促进电荷运输在ETL-矿接口.
在PSC中实现的功率转换效率 (PCE) 为24.14% (抗溶剂) 和22.75% (无抗溶剂).
一个12厘米²无抗溶剂的矿太阳能模块实现了20.26%的PCE,增强了稳定性.

结论:

光刺激诱导的被动化为SnO₂ETLs提供了一种快速有效的替代传统热的替代方案.
这种技术显著提高了矿太阳能电池和模块的性能和稳定性.
建立了一个有希望的低温制造方法,用于商业化高效的矿太阳能电池.

关键词:

运营商管理公司的管理人员.电子输送层是一种电子输送层.矿太阳能电池是如何使用的由光刺激引起的被动化.超快的激光是超快的激光.

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