期刊
ADVANCED MATERIALS
卷 33, 期 26, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202008785
关键词
chiral halide perovskites; chirality generation; chiroptical properties; circularly polarized light emission and detection; electronic properties
类别
资金
- National Key Research and Development Program of China [2018YFA0704403]
- National Natural Science Foundation of China (NSFC) [62074064]
- Innovation Fund of Wuhan National Laboratory for Optoelectronics (WNLO)
The combination of chiral materials and halide perovskites provides an ideal platform for designing optoelectronic and spintronic devices, with recent studies demonstrating the transfer of chirality into halide perovskites and creating chiral perovskites with various exceptional properties.
Chiral materials with intrinsic inversion-symmetric structures possess many unique physicochemical features, including circular dichroism, circularly polarized photoluminescence, nonlinear optics, ferroelectricity, and spintronics. Halide perovskites have attracted considerable attention owing to their excellent optical and electrical properties, which are particularly suitable for realizing high power-conversion efficiency in solar cells. Recent studies have shown that chirality can be transferred from chiral organic ligands into halide perovskites and the resultant chiral perovskites combine the advantages of both chiral materials and halide perovskites; this provides an ideal platform to design next-generation optoelectronic and spintronic devices. In this progress report, the most recent advances are summarized in various chemical structures of chiral perovskites, their synthesis strategies, chirality generation mechanisms, and physical properties. Furthermore, the potential chiral-halide-perovskite-based applications are presented and the challenges and prospects of chiral perovskites are discussed. This report outlines the diverse construction strategies of and proposes research directions for chiral halide perovskites; thus, it provides insights into the design of novel chiral perovskites and facilitates investigation of the optoelectronic applications that employ chirality.
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