Transparent and Stretchable Strain Sensors with Improved Sensitivity and Reliability Based on Ag NWs and PEDOT:PSS Patterned Microstructures,Advanced Electronic Materials

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Transparent and Stretchable Strain Sensors with Improved Sensitivity and Reliability Based on Ag NWs and PEDOT:PSS Patterned Microstructures
Advanced Electronic Materials ( IF 5.3 ) Pub Date : 2020-07-02 , DOI: 10.1002/aelm.201901360
Gengzhe Shen ₁ , Bohua Chen ₁ , Tianlong Liang ₁ , Zhihao Liu ₁ , Sirou Zhao ₁ , Junyan Liu ₁ , Chi Zhang ₁ , Weijia Yang ₁ , Yiliang Wang ₂ , Xin He _{1,

2}

Affiliation

A transparent and stretchable strain sensor based on Ag nanowires (NWs) and poly(3,4‐ethylenedioxythiophene):poly(styrene‐sulfonate) (PEDOT:PSS) patterned microstructure is presented. The regular patterns are achieved by a facile replication and transfer process from near‐field electrospun polyacrylonitrile (PAN) grids on the surfaces of polydimethylsiloxane (PDMS) substrates. Owing to the combined advantages for the unique microstructure of sensor, strong adhesion of polymer PEDOT:PSS to underlying layer, and outstanding conductivity of long Ag NWs, the transparent strain sensor possesses the excellent aspects of high sensitivity (gauge factor = 10.2), wide sensing range (0–100%), long‐term reliability for at least 2000 cycles, and distinct temperature responses. Moreover, the patterned strain sensor can be mounted on different body parts to detect a wide range of human movements and temperature responses in real time, providing multifunctional applications in human/machine interaction, electronic skins, and wearable devices.

中文翻译：

基于Ag NWs和PEDOT：PSS图案化微结构的，具有更高灵敏度和可靠性的透明可拉伸应变传感器

提出了一种基于银纳米线（NWs）和聚（3,4-乙烯二氧噻吩）：聚（苯乙烯磺酸盐）（PEDOT：PSS）图案化微结构的透明可拉伸应变传感器。通过从聚二甲基硅氧烷（PDMS）基材表面上的近场电纺聚丙烯腈（PAN）网格进行轻松的复制和转移过程，可以实现常规图案。由于传感器具有独特的微观结构，聚合物PEDOT：PSS对下层的强粘附力以及长银纳米线的出色导电性的综合优势，因此透明应变传感器具有高灵敏度（规格系数= 10.2），宽广等优异方面。感应范围（0–100％），至少2000个周期的长期可靠性以及独特的温度响应。此外，

更新日期：2020-08-10

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