Abstracts
The CH3NH3PbI3-based photodetectors were fabricated with a coplanar metal-semiconductor-metal (MSM) IDT patterned Au electrode configuration. The MSM-structured perovskite-based photodetectors exhibited a higher Ion/Ioff of about 3.77 × 102, and a response of 6.66 mA/W. Additionally, the photodetectors worked best under red illumination, and the rise and decay times were estimated to shorter than 0.04 s and 0.05 s. Especially, the durability and stability of these photodetectors were excellent, which can be exposed to the red light illumination over 1000 s. There were still stable photocurrent signal after 90 days. It indicated that the device possessed a longer durability and had a lifetime of exceeding 90 days. These outstanding performances could be potentially applicable for practical applications.
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Acknowledgements
This study was supported by Natural Science Foundation Project of Xinjiang Uygur Autonomous Region (2019D01C001,02), ‘13th Five-Year’ key discipline of Xinjiang Uygur Autonomous Region (XJZDXK-phy201801, 201804), Opening Project of Jiangsu Key Laboratory of Optoelectronic Information Functional Materials (2018JSGDXX021), Natural National Science Foundation of China (Grant 21502007), Scientific Research Program of the Higher Education Institution of Xinjiang (XJEDU2016I048), the Thirteenth Five-year Key Disciplines of Xinjiang Uygur Autonomous Region (Materials Science and Engineering).
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Guo, F., Li, X., Zhang, B. et al. Durable and stable UV–Vis perovskite photodetectors based on CH3NH3PbI3 crystals synthesized via a solvothermal method. J Mater Sci: Mater Electron 30, 19437–19443 (2019). https://doi.org/10.1007/s10854-019-02306-9
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DOI: https://doi.org/10.1007/s10854-019-02306-9