范德瓦尔斯力
材料科学
接触电阻
悬空债券
拉伤
电极
数码产品
电接点
柔性电子器件
纳米技术
光电子学
凝聚态物理
电气工程
分子
化学
图层(电子)
硅
医学
物理
有机化学
物理化学
工程类
内科学
作者
Zhiwei Li,Yang Chen,Songlong Liu,Wanying Li,Liting Liu,Wenbin Song,Donglin Lu,Lingling Ma,Xiangdong Yang,Zhengdao Xie,Xidong Duan,Zeyu Yang,Yiliu Wang,Lei Liao,Yuan Liu
出处
期刊:ACS Nano
[American Chemical Society]
日期:2022-08-15
卷期号:16 (8): 13152-13159
被引量:7
标识
DOI:10.1021/acsnano.2c06214
摘要
Two-dimensional (2D) materials have demonstrated promising potential for flexible electronics, owning to their atomic thin body thickness and dangling-bond-free surface. Here, we report a sliding contact device structure for efficient strain releasing. By fabricating a weakly coupled metal–2D junction with a van der Waals (vdW) gap in between, the applied strain could be effectively released through their interface sliding; hence minimized strain is transferred to the 2D lattice. Therefore, we observed stable device behavior with electrodes stretching over 110%, much higher than 2D devices using evaporated metal contacts. Furthermore, through multicycle straining–releasing measurements, we found the electrodes still form intimate contact with nearly constant contact resistance during sliding, confirming the optimization of device flexibility and electrical properties at the same time. Finally, we demonstrate this vdW sliding contact is a general device geometry and could be well-extended to various 2D or 3D bulk materials, leading to devices with much higher strain tolerance.
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