2D perovskite microsheets for high-performance photodetectors

被引：63

作者：

Qian, Liu ^{[1
,2
,3
]}

Sun, Yilin ^{[4
]}

Sun, Mengxing ^{[4
]}

Fang, Zhimin ^{[1
]}

Li, Lin ^{[1
]}

Xie, Dan ^{[4
]}

Li, Chun ^{[3
]}

Ding, Liming ^{[1
,2
]}

机构：

[1] Natl Ctr Nanosci & Technol, Ctr Far Excellence Nanosci, Key Lab Nanosyst & Hierarch Fabricat CAS, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Tsinghua Univ, Dept Chem, Key Lab Bioorgan Phosphorus Chem & Chem Biol MOE, Beijing 100084, Peoples R China

[4] Tsinghua Univ, Inst Microelect, Tsinghua Natl Lab Informat Sci & Technol TNList, Beijing 100084, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY C | 2019年 / 7卷 / 18期

基金：

中国国家自然科学基金;

关键词：

Photodetectors;

D O I：

10.1039/c9tc00138g

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Square-shaped microsheets of 2D lead-free perovskite (PEA)(2)SnI4-xBrx (x = 0, 1, 2) were prepared via a ternary-solvent method. The photodetector based on the (PEA)(2)SnI4 microsheets gave a photoresponsivity of 3.29 x 10(3) A W-1, a specific detectivity of 2.06 x 10(11) Jones and a photoconductive gain of 8.68 x 10(3). This is the first time that 2D lead-free perovskite microsheets are used to make high-performance photodetectors.

引用

页码：5353 / 5358

页数：6

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