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2D perovskite microsheets for high-performance photodetectors

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Abstract

Square-shaped microsheets of 2D lead-free perovskite (PEA)2SnI4−xBrx (x = 0, 1, 2) were prepared via a ternary-solvent method. The photodetector based on the (PEA)2SnI4 microsheets gave a photoresponsivity of 3.29 × 103 A W−1, a specific detectivity of 2.06 × 1011 Jones and a photoconductive gain of 8.68 × 103. This is the first time that 2D lead-free perovskite microsheets are used to make high-performance photodetectors.

Graphical abstract: 2D perovskite microsheets for high-performance photodetectors

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Publication details

The article was received on 09 Jan 2019, accepted on 28 Mar 2019 and first published on 01 Apr 2019


Article type: Communication
DOI: 10.1039/C9TC00138G
Citation: J. Mater. Chem. C, 2019, Advance Article

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    2D perovskite microsheets for high-performance photodetectors

    L. Qian, Y. Sun, M. Sun, Z. Fang, L. Li, D. Xie, C. Li and L. Ding, J. Mater. Chem. C, 2019, Advance Article , DOI: 10.1039/C9TC00138G

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