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Transparent Electronic Skin Device Based on Microstructured Silver Nanowire Electrode
Han-bai Lyu,Xin-yu Ping,Rui-quan Gao,Liang-liang Xu*,Li-jia Pan*
Author NameAffiliationE-mail
Han-bai Lyu Nanjing Foreign Language School, Nanjing 210018, China  
Xin-yu Ping Nanjing Foreign Language School, Nanjing 210018, China  
Rui-quan Gao Nanjing Foreign Language School, Nanjing 210018, China  
Liang-liang Xu* Nanjing Foreign Language School, Nanjing 210018, China njuxuliangliang@163.com 
Li-jia Pan* School of Electronic Science and Engineering, Nanjing University, Nanjing 210093, China ljpan@nju.edu.cn 
Abstract:
Transparent, flexible electronic skin holds a wide range of applications in robotics, humanmachine interfaces, artificial intelligence, prosthetics, and health monitoring. Silver nanowire are mechanically flexible and robust, which exhibit great potential in transparent and electricconducting thin film. Herein, we report on a silver-nanowire spray-coating and electrodemicrostructure replicating strategy to construct a transparent, flexible, and sensitive electronic skin device. The electronic skin device shows highly sensitive piezo-capacitance response to pressure. It is found that micropatterning the surface of dielectric layer polyurethane elastomer by replicating from microstructures of natural-existing surfaces such as lotus leaf, silk, and frosted glass can greatly enhance the piezo-capacitance performance of the device. The microstructured pressure sensors based on silver nanowire exhibit good transparency, excellent flexibility, wide pressure detection range (0-150 kPa), and high sensitivity (1.28 kPa-1).
Key words:  Electronic skin  Pressure sensor  Transparent electrode  AgNWs  Microstructure replica  Polyurethane
FundProject:This work was supported by the National Natural Science Foundation of China (No.61674078) and Dongrun- Yau Science Silver Award (Chemistry).
基于微结构银纳米线的透明电子皮肤器件
吕汉白,平鑫宇,高睿泉,许亮亮*,潘力佳*
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DOI:10.1063/1674-0068/30/cjcp1706126
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