Single-Layer ZnO Hollow Hemispheres Enable High-Performance Self-Powered Perovskite Photodetector for Optical Communication

被引：0
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作者：
Xiyan Pan
Jianqiang Zhang
Hai Zhou
Ronghuan Liu
Dingjun Wu
Rui Wang
Liangping Shen
Li Tao
Jun Zhang
Hao Wang
机构：
[1] Hubei University,Hubei Key Laboratory of Ferro and Piezoelectric Materials and Devices, School of Microelectronics and Faculty of Physics and Electronic Science
来源：
Nano-Micro Letters | 2021年 / 13卷
关键词：
Hemisphere array; Perovskite; Photodetector; Reflection reduction; Optical communication;
D O I：
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中图分类号：
学科分类号：
摘要：
Single-layer hollow ZnO hemispherical arrays behaving light trapping effect as the electron transport layer in perovskite photodetectors were first introduced.Our photodetectors showed high self-powered performances with a LDR of 120.3 dB, a detectivity of 4.2 × 1012 Jones, rise/fall time of 13/28 µs and the f−3 dB of up to 28 kHz.Benefiting from the high device performance, the photodetector was demonstrated to the directional transmission of encrypted files as the signal receiving port with super high accuracy.
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