基于激光的双端钙钛矿- cigse串联太阳能电池的单片串联互连:最佳划线性能的测定

IF 1.9 Q3 PHYSICS, APPLIED EPJ Photovoltaics Pub Date : 2023-01-01 DOI:10.1051/epjpv/2023007
C. Schultz, G. F. Farias Basulto, Nicolas Otto, J. Dagar, A. Bartelt, R. Schlatmann, Eva Unger, B. Stegemann
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引用次数: 0

摘要

为了实现由钙钛矿顶部电池和CIGSe底部电池组成的串联太阳能电池器件的单片串联互连,引入了一种双端互连方案,该方案包括额外的第四个图像化步骤,即所谓的等切,它将两个太阳能电池之间的窗口层堆栈分开。这种互连方案的实现需要一个总共四个结构步骤的工艺开发,这是通过系统地改变激光参数来实现的。基于对单个划线线深度、形态、电气功能、化学成分及其对相邻层和下层的影响的详细表征,推导出每个步骤的最佳图案参数和合适的工艺窗口,这是在串联模块中实现无损耗单片串联互连的先决条件。
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Laser-based monolithic series interconnection of two-terminal perovskite-CIGSe tandem solar cells: determination of the optimal scribe line properties
To achieve a monolithic series interconnection of tandem solar cell devices consisting of a perovskite top cell and a CIGSe bottom cell, a two-terminal interconnection scheme is introduced that includes an additional, fourth patterning step, the so-called iso-cut, which separates the window layer stack between the two solar cells. The implementation of this interconnection scheme requires a process development for a total of four structuring steps, which was achieved by systematically varying the laser parameters. Based on a detailed characterization of the individual scribe line properties with respect to their scribe line depth, morphology, electrical functionality, chemical composition and their influence on adjacent and underlying layers, the optimal patterning parameters and suitable process windows were derived for each step, which is a prerequisite for a loss-free monolithic series interconnection in a tandem module.
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来源期刊
EPJ Photovoltaics
EPJ Photovoltaics PHYSICS, APPLIED-
CiteScore
2.30
自引率
4.00%
发文量
15
审稿时长
8 weeks
期刊最新文献
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