神经形态工程学
门控
材料科学
纳米技术
数码产品
有机半导体
生物电子学
半导体
有机电子学
光电子学
晶体管
工程物理
电气工程
电压
计算机科学
生物传感器
物理
工程类
机器学习
生物
人工神经网络
生理学
作者
Lanyi Xiang,Liyao Liu,Fengjiao Zhang,Chong‐an Di,Daoben Zhu
标识
DOI:10.1002/adfm.202102149
摘要
Abstract Ion‐gating engineering provides a new way to bridge electronics and ionics, and more importantly, bringing unprecedented opportunities for organic semiconductors (OSCs) based bioelectronics and solid‐sate physics. Compared with conventional‐dielectric gating, ion gating shows unique features in an extremely large electric field, high transconductance, low operating frequency, and ultrahigh carrier concentration. It therefore boosts the rapid development of different organic devices, including neuromorphic devices and amplifying transducers, and offers a powerful strategy to probe the charge transport, thermoelectric and even superconducting properties of organic materials at different scales. In this review, first, the fundamental mechanism of ion gating is discussed to enable multifunctional devices. The electrolyte materials and organic semiconductors are also summarized that are widely used in ion‐gated devices and their associated properties are examined. Moreover, key concepts of manipulating ion–electron coupling are highlighted for opening up new frontiers in organic multifunctional electronics. Finally, the challenges and perspectives on the ion gating of OSCs are proposed to highlight the directions that deserve attention in this emerging interdisciplinary field.
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