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

2016; Wiley; Volume: 5; Issue: 2 Linguagem: Inglês

10.1002/adom.201600704

2195-1071

Makhsud I. Saidaminov, Md Azimul Haque, Jawaher Almutlaq, Smritakshi P. Sarmah, Xiaohe Miao, Raihana Begum, Ayan A. Zhumekenov, İbrahim Dursun, Namchul Cho, Banavoth Murali, Omar F. Mohammed, Tom Wu, Osman M. Bakr,

Solid-state spectroscopy and crystallography

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). As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.