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

被引：313
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
收藏
页码：698 / +
页数：30
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