期刊
FRONTIERS OF PHYSICS
卷 14, 期 5, 页码 -出版社
HIGHER EDUCATION PRESS
DOI: 10.1007/s11467-019-0901-8
关键词
optoelectronic devices; perovskite solar cells; nanoscale materials; chemical vapor deposition
资金
- National Natural Science Foundation of China [51673218]
- Open Fund of the State Key Laboratory of Integrated Optoelectronics [IOSKL2016KF05]
- Central South University Postdoctoral International Exchange Introduction Program, China Postdoctoral Science Foundation
Though three-dimensional (3D) organicinorganic halide perovskites (OIHP) is very promising for low cost and distributed PV generation, the stability issue of 3D OIHP is still a problem for its commercialization. Two-dimensional (2D) perovskites, protected by periodic organic ligands, is promising due to its excellent optoelectronic property and superior stability. However, 2D perovskite is anisotropic in its crystal structure and optoelectronic properties, and the resulted film is often a mixture of different phase. So, methods to manipulate 2D perovskite crystal orientation and its phase separation are vital. In this review, the major advances on the composition engineering, crystal orientation, phase separation, and interfacial capping are summarized. Besides, efforts on understanding the formation process of 2D perovskite crystal are also discussed, which is important for making full use of 2D perovskite in functional optoelectronic devices.
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