钙钛矿(结构)
光伏系统
材料科学
氧化物
卤化物
纳米技术
降级(电信)
吞吐量
金属
不稳定性
能量转换效率
工程物理
光电子学
计算机科学
化学工程
化学
无机化学
电信
工程类
物理
电气工程
冶金
无线
机械
作者
Sampreetha Thampy,Weijie Xu,Julia W. P. Hsu
标识
DOI:10.1021/acs.jpclett.1c02371
摘要
Halide perovskite solar cells (PSCs) have emerged as a promising photovoltaic technology for sustainable energy solutions because of their impressive power conversion efficiency and a path to be manufactured by low-cost, high-throughput methods. To reach PSCs’ full potential for practical implementation, it is crucial to solve the issues related to long-term operational stability. Given that PSCs consist of many layers of dissimilar materials which form multiple internal interfaces, it is prudent to examine whether there exist interfacial interactions, most importantly between transport layers and perovskite absorbers, that can trigger instability and affect device performance. In this Perspective, we bring to the attention of the PSC research community the lesser-known interfacial degradation of halide perovskites promoted by contact with metal oxide transport layers and highlight the deleterious effects on the PSCs’ performance and stability. We also discuss various mitigation strategies that have shown promise for achieving high-performing and stable PSCs.
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