Design of an UV–Vis photodetector of ZnO/MAPbI3 composite

Yanyan Peng; Dayong Jiang; Man Zhao; Yue Zhao; Mingyang Li; Haixin Zhang; Hepeng Zhao

doi:10.1117/12.2686748

6 August 2023 Design of an UV–Vis photodetector of ZnO/MAPbI₃ composite

Yanyan Peng, Dayong Jiang, Man Zhao, Yue Zhao, Mingyang Li, Haixin Zhang, Hepeng Zhao

Proceedings Volume 12781, International Conference on Optoelectronic Information and Functional Materials (OIFM 2023); 127810N (2023) https://doi.org/10.1117/12.2686748
Event: 2023 International Conference on Optoelectronic Information and Functional Materials (OIFM 2023), 2023, Guangzhou, JS, China

Abstract

The combination of inorganic semiconductor and organic lead halide perovskite to prepare photodetectors can produce wider spectral response and better photoelectric performance to a certain extent, so it has been widely studied. Here, ZnO thin film was prepared by radio frequency magnetron sputtering, MAPbI₃ was prepared by spin coating method, and ZnO/MAPbI₃ composite UV-vis photodetector was prepared. ZnO is n-type semiconductor material, MAPbI₃ is p-type semiconductor material and ZnO/MAPbI₃ heterojunction is formed at the contact interface. Electrons from MAPbI₃ diffuse into ZnO and holes from ZnO diffuse into MAPbI₃, forming a built-in electric field. The surface of ZnO reacted photodesorption, the width of the depletion zone is reduced, leading to an increase in free carriers. With an operating voltage bias of 3 V, the ZnO/MAPbI₃ photodetector represented significantly enhanced spectral reactivity (0.02 A/W). Therefore, our study will provide a reference for combining inorganic substances and perovskite to be used in high-performance photodetectors.

Citation Download Citation

Yanyan Peng, Dayong Jiang, Man Zhao, Yue Zhao, Mingyang Li, Haixin Zhang, and Hepeng Zhao "Design of an UV–Vis photodetector of ZnO/MAPbI₃ composite", Proc. SPIE 12781, International Conference on Optoelectronic Information and Functional Materials (OIFM 2023), 127810N (6 August 2023); https://doi.org/10.1117/12.2686748

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