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Engineering Halide Perovskite Crystals through Precursor Chemistry.
Small ( IF 13.0 ) Pub Date : 2019-10-25 , DOI: 10.1002/smll.201903613 Bo Li 1 , David Binks 2 , Guozhong Cao 3 , Jianjun Tian 1
Small ( IF 13.0 ) Pub Date : 2019-10-25 , DOI: 10.1002/smll.201903613 Bo Li 1 , David Binks 2 , Guozhong Cao 3 , Jianjun Tian 1
Affiliation
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The composition, crystallinity, morphology, and trap-state density of halide perovskite thin films critically depend on the nature of the precursor solution. A fundamental understanding of the liquid-to-solid transformation mechanism is thus essential to the fabrication of high-quality thin films of halide perovskite crystals for applications such as high-performance photovoltaics and is the topic of this Review. The roles of additives on the evolution of coordination complex species in the precursor solutions and the resulting effect on perovskite crystallization are presented. The influence of colloid characteristics, DMF/DMSO-free solutions and the degradation of precursor solutions on the formation of perovskite crystals are also discussed. Finally, the general formation mechanism of perovskite thin films from precursor solutions is summarized and some questions for further research are provided.
中文翻译：
通过前体化学工程技术加工卤化物钙钛矿晶体。
卤化物钙钛矿薄膜的组成，结晶度，形态和陷阱态密度主要取决于前体溶液的性质。因此，对液-固转变机理的基本了解对于制造用于高性能光伏等应用的卤化钙钛矿晶体的高质量薄膜至关重要，这也是本综述的主题。介绍了添加剂对前体溶液中配位络合物物种演化的影响以及对钙钛矿结晶的影响。还讨论了胶体特性，不含DMF / DMSO的溶液以及前体溶液的降解对钙钛矿晶体形成的影响。最后，
更新日期：2019-11-20
中文翻译：
通过前体化学工程技术加工卤化物钙钛矿晶体。
卤化物钙钛矿薄膜的组成，结晶度，形态和陷阱态密度主要取决于前体溶液的性质。因此，对液-固转变机理的基本了解对于制造用于高性能光伏等应用的卤化钙钛矿晶体的高质量薄膜至关重要，这也是本综述的主题。介绍了添加剂对前体溶液中配位络合物物种演化的影响以及对钙钛矿结晶的影响。还讨论了胶体特性，不含DMF / DMSO的溶液以及前体溶液的降解对钙钛矿晶体形成的影响。最后，
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