Highly Sensitive and Transparent Strain Sensors with an Ordered Array Structure of AgNWs for Wearable Motion and Health Monitoring

Scientific Reports
Fanqi YinJun Wei

Abstract

Sensitivity and transparency are critical properties for flexible and wearable electronic devices, and how to engineer both these properties simultaneously is dramatically essential. Here, for the first time, we report the assembly of ordered array structures of silver nanowires (AgNWs) via a simple water-bath pulling method to align the AgNWs embedded on polydimethylsiloxane (PDMS). Compared with sensors prepared by direct drop-casting or transfer-printing methods, our developed sensor represents a considerable breakthrough in both sensitivity and transparency. The maximum transmittance was 86.3% at a wavelength of 550 nm, and the maximum gauge factor was as high as 84.6 at a strain of 30%. This remarkably sensitive and transparent flexible sensor has strictly stable and reliable responses to motion capture and human body signals; it is also expected to be able to help monitor disabled physical conditions or assist medical therapy while ensuring privacy protection.

References

Oct 18, 2014·Chemical Communications : Chem Comm·Yunxia RanChanghui Ye
Mar 3, 2015·Physical Chemistry Chemical Physics : PCCP·Sheng-kai DuanYong Zhang
Sep 30, 2015·Advanced Materials·Clementine M BoutryZhenan Bao
Aug 3, 2016·ACS Applied Materials & Interfaces·Hui ZhangYihua Gao
Aug 23, 2016·ACS Applied Materials & Interfaces·Sung-Soo Yoon, Dahl-Young Khang
Sep 7, 2017·ACS Applied Materials & Interfaces·Eric SinghHari Singh Nalwa
Jan 1, 2017·Nano-micro Letters·Azadeh AzadbakhtMahmoud Roushani

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Citations

Dec 18, 2019·Chemical Society Reviews·Hebing HuYi Long
Apr 16, 2021·Science and Technology of Advanced Materials·Chi Cuong VuJooyong Kim
Jul 30, 2021·ACS Applied Materials & Interfaces·Kirthika Senthil KumarHongliang Ren
Feb 6, 2020·ACS Applied Materials & Interfaces·Deke LiZhiguang Guo
Aug 27, 2021·Science and Technology of Advanced Materials·Chi Cuong Vu, Jooyong Kim

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Software Mentioned

MATLAB

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