The Effect of Thermal Annealing on Charge Transport in Organolead Halide Perovskite Microplate Field-Effect Transistors

被引：88

作者：

Li, Dehui ^{[1
]}

Cheng, Hung-Chieh ^{[2
]}

Wang, Yiliu ^{[1
]}

Zhao, Zipeng ^{[2
]}

Wang, Gongming ^{[1
]}

Wu, Hao ^{[2
]}

He, Qiyuan ^{[1
]}

Huang, Yu ^{[2
,3
]}

Duan, Xiangfeng ^{[1
,3
]}

机构：

[1] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA

[2] Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA

[3] Univ Calif Los Angeles, Calif Nanosyst Inst, Los Angeles, CA 90095 USA

来源：

ADVANCED MATERIALS | 2017年 / 29卷 / 04期

基金：

美国国家科学基金会;

关键词：

SOLAR-CELLS; ROOM-TEMPERATURE; LIGHT; DEVICES; HYSTERESIS; DEPOSITION; DISORDER; LASERS; SIZE;

D O I：

10.1002/adma.201601959

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Transformation of unipolar n-type semiconductor behavior to ambipolar and finally to unipolar p-type behavior in CH3NH3PbI3 microplate field-effect transistors by thermal annealing is reported. The photoluminescence spectra essentially maintain the same features before and after the thermal annealing process, demonstrating that the charge transport measurement provides a sensitive way to probe low-concentration defects in perovskite materials.

引用

页数：7

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