A vertical structure photodetector based on all-inorganic perovskite quantum dots

被引：25

作者：

Yan, Shikai ^{[1
]}

Li, Qing ^{[1
]}

Zhang, Xu ^{[1
]}

Tang, Sheng ^{[1
]}

Lei, Wei ^{[1
]}

Chen, Jing ^{[1
]}

机构：

[1] Southeast Univ, Sch Elect Sci & Engn, Joint Int Res Lab Informat Display & Visualizat, Nanjing, Jiangsu, Peoples R China

来源：

JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY | 2020年 / 28卷 / 01期

关键词：

all-inorganic perovskite quantum dot; vertical structure photodetector; zno quantum dot; LIGHT-EMITTING-DIODES; SOLAR-CELLS; NANOCRYSTALS; EMISSION; CONTACT;

D O I：

10.1002/jsid.853

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, the vertical structure photodetector based on CsPbBr3 quantum dots (QDs) with a structure of indium tin oxide (ITO)/zinc oxide (ZnO)/CsPbBr3 QDs/Au is reported. In this device, CsPbBr3 QDs film works as the light-harvesting layer, and ZnO QDs film acts as the electron transport channel, which can extract the electron efficiently and improve the quality of CsPbBr3 QDs film. As a result, the on/off ratio, detectivity and rise time (decay time) of CsPbBr3/ZnO hybrid photodetector are measured to be 2.4 x 10(6), 2.25 x 10(11), and 62 milliseconds (82 ms) under 0-V bias. This work inspires the development of vertical structure photodetectors based on the all-inorganic perovskite QDs.

引用

页码：9 / 15

页数：7

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