Organic photomultiplication photodetector with bi-directional bias response and method for producing same

US11871648B2 · kind B2 · utility

Assignee

• TAIYUAN UNIVERSITY OF TECHNOLOGY · CN

Inventors

• Linlin Shi · Taiyuan, CN
• Yanxia Cui · Shanxi, CN
• Guohui Li · Tangxia, CN
• Ye Zhang · Shanghai, CN
• Wenyan Wang · Wilmette, US
• Ting Ji · Taiyuan, CN

Key dates

• Filing date: Dec 6, 2021
• Grant date: Jan 9, 2024
• Expiry date: Apr 14, 2042

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/549

Abstract

This application relates to preparation of organic photomultiplication photodetectors, and more particularly to an organic photomultiplication photodetector with bi-directional bias response and a method for producing the same. The photodetector includes an anode layer, an anode modification layer, an interfacial modification layer, an active layer and a cathode layer arranged in sequence. The interfacial modification layer is made of Al2O3. The anode layer is made of indium tin oxide (ITO). The anode modification layer is made of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)(PEDOT:PSS). The active layer is made of poly(3-hexylthiophene-2,5-diyl):[6,6]-phenyl-C70-butyric acid methyl ester (P3HT:PC70BM). The cathode layer is made of aluminum, silver or gold.