Mechanical Design Guidelines to Inhibit Fracture in Perovskite Solar Cells

IF 6 3区 工程技术 Q2 ENERGY & FUELS
Solar RRL Pub Date : 2024-07-27 DOI:10.1002/solr.202400321
Thomas William Colburn, Kuan Liu, Abigail Carbone, Omar Elsafty, Reinhold Horst Dauskardt
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引用次数: 0

Abstract

Perovskite (PVSK) solar cells offer significant benefits over conventional silicon cells including low-cost solution processibility, minimal materials usage related to strong photon absorption in thin-film cell architectures, and a tunable bandgap. However, PVSK films are mechanically fragile, and fracture of PVSK layers and adjacent interfaces are a significant concern during fabrication, encapsulation, and operation. Herein, a thin-film mechanics fracture analysis tailored for p–i–n and n–i–p PVSK solar cells on both soda lime glass and polyimide substrates fabricated with three PVSK crystallization methods is presented. The role of thermal processing of each cell layer is explored to determine the maximum allowable temperature below which fracture is inhibited. In the analysis, the mechanics basis for processing and materials selection guidelines for preventing fracture in PVSK solar cells is provided.

抑制过氧化物太阳能电池断裂的机械设计指南
Perovskite (PVSK) 太阳能电池与传统硅电池相比具有显著优势,包括低成本溶液工艺、与薄膜电池结构中强光子吸收有关的最小材料用量以及可调带隙。然而,PVSK 薄膜在机械性能上比较脆弱,在制造、封装和运行过程中,PVSK 层和相邻界面的断裂是一个重大问题。本文针对钠钙玻璃和聚酰亚胺基底上的 pi-n 和 ni-p PVSK 太阳能电池,采用三种 PVSK 结晶方法进行了量身定制的薄膜力学断裂分析。研究探讨了各电池层热处理的作用,以确定在低于该温度时可抑制断裂的最大允许温度。分析提供了防止 PVSK 太阳能电池断裂的加工和材料选择指南的力学基础。
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来源期刊
Solar RRL
Solar RRL Physics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
12.10
自引率
6.30%
发文量
460
期刊介绍: Solar RRL, formerly known as Rapid Research Letters, has evolved to embrace a broader and more encompassing format. We publish Research Articles and Reviews covering all facets of solar energy conversion. This includes, but is not limited to, photovoltaics and solar cells (both established and emerging systems), as well as the development, characterization, and optimization of materials and devices. Additionally, we cover topics such as photovoltaic modules and systems, their installation and deployment, photocatalysis, solar fuels, photothermal and photoelectrochemical solar energy conversion, energy distribution, grid issues, and other relevant aspects. Join us in exploring the latest advancements in solar energy conversion research.
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