Issue 18, 2019
From the journal:

Journal of Materials Chemistry C

2D perovskite microsheets for high-performance photodetectors†

Liu Qian,abc   Yilin Sun,d   Mengxing Sun,d   Zhimin Fang,a   Lin Li,a   Dan Xie,*d   Chun Li ORCID logo *c  and  Liming Ding ORCID logo *ab  

* Corresponding authors

a Center for Excellence in Nanoscience, Key Laboratory of Nanosystem and Hierarchical Fabrication (CAS), National Center for Nanoscience and Technology, Beijing 100190, China
E-mail: ding@nanoctr.cn

b University of Chinese Academy of Sciences, Beijing 100049, China

c Department of Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (MOE), Tsinghua University, Beijing 100084, China
E-mail: chunli@mail.tsinghua.edu.cn

d Tsinghua National Laboratory for Information Science and Technology (TNList), Institute of Microelectronics, Tsinghua University, Beijing 100084, China
E-mail: xiedan@tsinghua.edu.cn

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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Article information

DOI
https://doi.org/10.1039/C9TC00138G
Article type
Communication
Submitted
09 Jan 2019
Accepted
28 Mar 2019
First published
01 Apr 2019

J. Mater. Chem. C, 2019,7, 5353-5358

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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, 7, 5353 DOI: 10.1039/C9TC00138G

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