电子皮肤
材料科学
触觉传感器
压力传感器
光电子学
导电体
有源矩阵
像素
电极
灵活性(工程)
基质(化学分析)
肖特基势垒
电极阵列
生物医学工程
声学
纳米技术
计算机科学
电气工程
电压
人工智能
机械工程
工程类
复合材料
二极管
图层(电子)
数学
物理化学
化学
物理
统计
机器人
薄膜晶体管
作者
Insang You,Song‐Ee Choi,Hyejin Hwang,Sang Woo Han,Jin Woong Kim,Unyong Jeong
标识
DOI:10.1002/adfm.201801858
摘要
Abstract Electronic skin (E‐skin) imitates human skin by converting external stimuli into electrical signals. E‐skin requires high flexibility and a high level of device integration. Unlike conventional E‐skin creation methods, a highly sensitive pressure sensor matrix (100 pixels cm −2 ) made of position‐registered elastic conductive microparticles (MPs) is created. The MPs form a Schottky junction with the bottom electrode and the current through the junction is sensitive to external pressure, forming a simple one‐selector two‐terminal device array. The Schottky junction eliminates the electrical cross talks between the sensor pixels consisting of 64 MPs in each. The flexible pressure sensor matrix is used as an artificial fingertip for Braille reading and as an electronic scale based on detailed force distribution. This work opens up the possibility that assembled MPs, which have been a long‐standing research topic in academia, can be used to make practical electronic devices.
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