材料科学
电荷(物理)
工程物理
纳米技术
钙钛矿(结构)
化学物理
化学工程
物理
工程类
量子力学
作者
Yixin Zhang,Mojtaba Abdi‐Jalebi,Bryon W. Larson,Fei Zhang
标识
DOI:10.1002/adma.202404517
摘要
Compared to 3D perovskites, 2D perovskites exhibit excellent stability, structural diversity, and tunable bandgaps, making them highly promising for applications in solar cells, light-emitting diodes, and photodetectors. However, the trade-off for worse charge transport is a critical issue that needs to be addressed. This comprehensive review first discusses the structure of 3D and 2D metal halide perovskites, then summarizes the significant factors influencing charge transport in detail and provides a brief overview of the testing methods. Subsequently, various strategies to improve the charge transport are presented, including tuning A'-site organic spacer cations, A-site cations, B-site metal cations, and X-site halide ions. Finally, an outlook on the future development of improving the 2D perovskites' charge transport is discussed.
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