材料科学
可伸缩电子设备
电极
极限抗拉强度
柔性电子器件
薄板电阻
透明度(行为)
复合材料
拉伸应变
数码产品
可穿戴技术
光电子学
可穿戴计算机
纳米技术
计算机科学
电气工程
物理化学
图层(电子)
化学
嵌入式系统
工程类
计算机安全
作者
Siya Huang,Yuan Liu,Chuan Fei Guo,Zhifeng Ren
标识
DOI:10.1002/aelm.201600534
摘要
Flexible transparent electrodes are an indispensable component of next‐generation soft optoelectronics such as wearable electronics and electronic artificial skins (E‐skins). Among the existing candidate materials, metal nanotrough networks exhibit optimal overall optoelectronic performance with impressive bendability. However, their further practical applications are hindered by their limited mechanical stretchability, which is highly desired in biointegrated systems. Here it is demonstrated that superior mechanical stretchability with tensile strains up to 300% can be achieved in Au nanotrough networks by introducing an in‐plane sinusoidal wavy structure. For the first time it is shown that with a precisely tuned nanotrough geometry along with an optimized network configuration, the buckled Au nanotrough network can be repeatedly stretched to strains up to 120% for 100 000 cycles, exhibiting excellent fatigue performance. Such highly stretchable and fatigue‐free (at a high tensile strain up to 100%) Au nanotrough networks present a competent sheet resistance ( R sh ≈ 10 Ω sq −1 ) with high optical transparency ( T = 91%), which are demonstrated to be highly compatible with human skins as conformal flexible transparent electrodes.
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