A Review on Energy Band-Gap Engineering for Perovskite Photovoltaics

被引：158
作者：
Hu, Zhaosheng [1 ]
Lin, Zhenhua [1 ]
Su, Jie [1 ]
Zhang, Jincheng [1 ]
Chang, Jingjing [1 ]
Hao, Yue [1 ]
机构：
[1] Xidian Univ, State Key Lab Wide Band Gap Semicond Technol, Adv Interdisciplinary Res Ctr Flexible Elect, Sch Microelect,Shaanxi Joint Key Lab Graphene, 2 South Taibai Rd, Xian 710071, Shaanxi, Peoples R China
来源：
SOLAR RRL | 2019年 / 3卷 / 12期
基金：
中国国家自然科学基金;
关键词：
band-gap engineering; impurity alloy; perovskites; photovoltaics; pressure; SOLAR-CELLS; INTERMEDIATE-BAND; OPTICAL-PROPERTIES; TRANSITION; EFFICIENCY; FORMAMIDINIUM; NANOCRYSTALS; PERFORMANCE; CS2AGBIBR6; CATIONS;
D O I：
10.1002/solr.201900304
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
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.
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页数：9
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