Issue 23, 2022

Reconfigurable self-powered imaging photodetectors by reassembling and disassembling ZnO/perovskite heterojunctions

Abstract

It has always been people's dream to build optoelectronic devices with different functions like building blocks without the constraints of lattice matching and processing compatibility. Here, a series of self-powered photodetectors with adjustable spectral responses were fabricated like building blocks by reassembling and disassembling ZnO/perovskite (MAPbX3, X = Cl, Br, I) heterojunctions. They exhibit good responsivity (∼3 mA W−1) and fast response speed (∼100 μs) at 0 V operating voltage. In addition, a self-powered photodetector (ZnO/MAPbI3) was used as a representative to investigate its practical imaging ability, and a high-fidelity image was obtained. This work provides an effective method and idea for building future multifunctional pluggable photoelectric devices with limited material building blocks.

Graphical abstract: Reconfigurable self-powered imaging photodetectors by reassembling and disassembling ZnO/perovskite heterojunctions

Supplementary files

Article information

Article type
Communication
Submitted
07 apr 2022
Accepted
23 may 2022
First published
23 may 2022

J. Mater. Chem. C, 2022,10, 8922-8930

Reconfigurable self-powered imaging photodetectors by reassembling and disassembling ZnO/perovskite heterojunctions

J. Yan, Y. Li, F. Gao, W. Gong, Y. Tian and L. Li, J. Mater. Chem. C, 2022, 10, 8922 DOI: 10.1039/D2TC01419J

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