Organic Heterojunction Phototransistors with Bi‐Directional Photoresponse for Vision Biomimetics
Xiaofang Shi,
Yunchao Xu,
Wanrong Liu
et al.
Abstract:The scientific community is very interested in artificial visual perception systems because of their neuromorphological capabilities, such as image recognition, learning, and memory. This study reports on an organic heterojunction ambipolar transistor with PTCDI‐C8/C8‐BTBT/PTCDI‐C8 sandwich structure. The proposed transistor efficiently transports both holes and electrons, with a current‐on‐switch ratio of ≈106. Furthermore, hole or electron carrier transmission mechanisms are constructed to achieve the contro… Show more
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