Journal
SCIENCE CHINA-MATERIALS
Volume 62, Issue 1, Pages 65-73Publisher
SCIENCE PRESS
DOI: 10.1007/s40843-018-9278-6
Keywords
solution-phase process; halide exchange; perovskite nanowires; photodetector
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Funding
- National Natural Science Foundation of China [51372075]
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The synthesis of high quality all-inorganic perovskite nanowires needs the harsh conditions, complex process and precision instruments, which are not beneficial to their extensive application. Here, all-inorganic perovskite cesium lead bromine (CsPbBr3) nanowires (NWs) are demonstrated with the combination of solution-phase process and halide exchange technology. A metal-semiconductor-metal structure CsPbBr3 nanowire photodetector was prepared, which showed a detectivity as high as 1.7x10(11) cm Hz(1/2) W-1(Jones) with rapid response time (The rise and decay time are 10 ms and 22 ms, respectively). Moreover, our photodetectors have high stability under ultraviolet (UV) light, high temperature and humidity.
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