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2. Ultrafast Response (<1 µs) Perovskite Ultraviolet Photodetector via Ball‐Milling Pretreated Single‐Source Vapor Deposition

Author

Ji, Lian, primary, Fang, Yingyu, additional, Cheng, Zhengchun, additional, Liu, You, additional, Wang, Jungan, additional, Li, Zihao, additional, Qian, Yuchi, additional, Liu, Fang, additional, Xu, Wenxin, additional, Wu, Zichao, additional, Wang, Fangfang, additional, Wang, Aifei, additional, Wang, Lin, additional, Di, Yi, additional, Huang, Wei, additional, and Qin, Tianshi, additional

Published
2021
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5. Ultrafast Response (<1 µs) Perovskite Ultraviolet Photodetector via Ball‐Milling Pretreated Single‐Source Vapor Deposition.

Author

Ji, Lian, Fang, Yingyu, Cheng, Zhengchun, Liu, You, Wang, Jungan, Li, Zihao, Qian, Yuchi, Liu, Fang, Xu, Wenxin, Wu, Zichao, Wang, Fangfang, Wang, Aifei, Wang, Lin, Di, Yi, Huang, Wei, and Qin, Tianshi

Subjects
VAPOR-plating, PEROVSKITE, PHOTODETECTORS, ELECTROCHROMIC windows, CRYSTAL grain boundaries, ENERGY consumption, TRANSPARENT ceramics
Abstract

Benefiting from the rapid development on chloride incorporated perovskite materials, nowadays, novel device fabricating techniques have sparked a new vision of ultraviolet photodetectors (UVPDs), which is moving toward higher precision, lower energy consumption, and greater miniaturization. Nevertheless, the natural poor solubility of chloride precursors for perovskites has limited their processability for achieving high‐performance self‐driven photovoltaic‐type UVPDs. Herein, a ball‐milling pretreated single‐source vapor deposition strategy is presented, which can facilely fabricate a pure‐phase CsPbCl3 perovskite film with supermicrometer crystal size and no grain boundaries in the vertical direction. Based on this excellent quality UV harvesting perovskite layer, an optimized self‐driven visible‐blind UVPD exhibits outstanding detection properties, including a superior peak responsivity of 118 mA W−1, a maximum specific detectivity of 6.62 × 1012 Jones, and a wide linear dynamic range of 136 dB, coupled with >1000 h operational durability in air ambient. Most notably, a recorded ultrafast rise/fall response time of 120/820 ns is realized as the fastest responsive perovskite UVPDs to date. In addition, this CsPbCl3 UVPD offers adequate visible‐transparency (>50% average visible transmittance) for a glazing integration by using a transparent back electrode, providing a promising pathway to realize a transparent sensor system for future smart window applications. [ABSTRACT FROM AUTHOR]

Published
2022
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6. Rapid Microwave‐Annealing Process of Hybrid Perovskites to Eliminate Miscellaneous Phase for High Performance Photovoltaics

Author

Chen, Qing, primary, Ma, Taotao, additional, Wang, Fangfang, additional, Liu, You, additional, Liu, Sizhou, additional, Wang, Jungan, additional, Cheng, Zhengchun, additional, Chang, Qing, additional, Yang, Rong, additional, Huang, Wenchao, additional, Wang, Lin, additional, Qin, Tianshi, additional, and Huang, Wei, additional

Published
2020
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7. A Nontoxic Bifunctional (Anti)Solvent as Digestive‐Ripening Agent for High‐Performance Perovskite Solar Cells

Author

Yun, Yikai, primary, Wang, Fangfang, additional, Huang, Hongyan, additional, Fang, Yinyu, additional, Liu, Sizhou, additional, Huang, Wenchao, additional, Cheng, Zhengchun, additional, Liu, You, additional, Cao, Yezhou, additional, Gao, Mei, additional, Zhu, Lin, additional, Wang, Lin, additional, Qin, Tianshi, additional, and Huang, Wei, additional

Published
2020
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