Large-area low-noise flexible organic photodiodes for detecting faint visible light

被引：331

作者：

Fuentes-Hernandez, Canek ^{[1
]}

Chou, Wen-Fang ^{[1
]}

Khan, Talha M. ^{[1
]}

Diniz, Larissa ^{[1
]}

Lukens, Julia ^{[1
]}

Larrain, Felipe A. ^{[1
]}

Rodriguez-Toro, Victor A. ^{[1
]}

Kippelen, Bernard ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Elect & Comp Engn, Ctr Organ Photon & Elect COPE, Atlanta, GA 30332 USA

来源：

SCIENCE | 2020年 / 370卷 / 6517期

基金：

美国国家科学基金会;

关键词：

PHOTODETECTORS; LAYER;

D O I：

10.1126/science.aba2624

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Silicon photodiodes are the foundation of light-detection technology; yet their rigid structure and limited area scaling at low cost hamper their use in several emerging applications. A detailed methodology for the characterization of organic photodiodes based on polymeric bulk heterojunctions reveals the influence that charge-collecting electrodes have on the electronic noise at low frequency. The performance of optimized organic photodiodes is found to rival that of low-noise silicon photodiodes in all metrics within the visible spectral range, except response time, which is still video- rate compatible. Solution-processed organic photodiodes offer several design opportunities exemplified in a biometric monitoring application that uses ring-shaped, large-area, flexible, organic photodiodes with silicon-level performance.

引用

页码：698 / +

页数：30

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