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A Review on Energy Band‐Gap Engineering for Perovskite Photovoltaics
Solar RRL ( IF 6.0 ) Pub Date : 2019-09-25 , DOI: 10.1002/solr.201900304 Zhaosheng Hu 1 , Zhenhua Lin 1 , Jie Su 1 , Jincheng Zhang 1 , Jingjing Chang 1 , Yue Hao 1
Solar RRL ( IF 6.0 ) Pub Date : 2019-09-25 , DOI: 10.1002/solr.201900304 Zhaosheng Hu 1 , Zhenhua Lin 1 , Jie Su 1 , Jincheng Zhang 1 , Jingjing Chang 1 , Yue Hao 1
Affiliation
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Metal halide perovskites are attractive for highly efficient solar cells. As most perovskites suffer large or indirect bandgap compared with the ideal bandgap range for single‐junction solar cells, bandgap engineering has received tremendous attention in terms of tailoring perovskite band structure, which plays a key role in light harvesting and conversion. In this Review, various reported bandgap engineering strategies are summarized. The recently widely used two main strategies including impurity and pressure as well as their underlying mechanisms are reviewed comprehensively. In addition, intermediate band and external electric field for bandgap engineering are also investigated. Moreover, future research directions are outlined to guide the further investigation.
中文翻译：
钙钛矿光伏能带隙工程研究述评
金属卤化物钙钛矿对高效太阳能电池具有吸引力。由于大多数钙钛矿与单结太阳能电池的理想带隙范围相比具有较大或间接的带隙，因此带隙工程学在定制钙钛矿带结构方面受到了极大关注，钙钛矿带结构在光收集和转换中起着关键作用。在这篇评论中，总结了各种报道的带隙工程策略。全面回顾了最近广泛使用的两种主要策略，包括杂质和压力以及它们的潜在机理。此外，还研究了带隙工程的中间带和外部电场。此外，概述了未来的研究方向以指导进一步的研究。
更新日期：2019-09-25
中文翻译：
钙钛矿光伏能带隙工程研究述评
金属卤化物钙钛矿对高效太阳能电池具有吸引力。由于大多数钙钛矿与单结太阳能电池的理想带隙范围相比具有较大或间接的带隙，因此带隙工程学在定制钙钛矿带结构方面受到了极大关注，钙钛矿带结构在光收集和转换中起着关键作用。在这篇评论中，总结了各种报道的带隙工程策略。全面回顾了最近广泛使用的两种主要策略，包括杂质和压力以及它们的潜在机理。此外，还研究了带隙工程的中间带和外部电场。此外，概述了未来的研究方向以指导进一步的研究。
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