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Wiley, Advanced Optical Materials, 2(5), p. 1600704, 2016

DOI: 10.1002/adom.201600704

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Inorganic Lead Halide Perovskite Single Crystals: Phase-Selective Low-Temperature Growth, Carrier Transport Properties, and Self-Powered Photodetection

Journal article published in 2016 by Makhsud I. Saidaminov ORCID, Md Azimul Haque, Jawaher Almutlaq, Smritakshi P. Sarmah, Xiao-He Miao, Raihana Begum, Ayan A. Zhumekenov ORCID, Ibrahim Dursun, Nam Chul Cho, Murali Banavoth, Omar F. Mohammed ORCID, Tao Wu, Osman M. Bakr
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

A rapid, low-temperature, and solution-based route is developed for growing large-sized cesium lead halide perovskite single crystals under ambient conditions. An ultralow minority carrier concentration was measured in CsPbBr3 (≈108 holes per cm3, much lower than in any other lead halide perovskite and crystalline silicon), which enables to realize self-powered photodetectors with a high ON/OFF ratio (105).