Highly Sensitive and Flexible Piezoresistive Pressure Sensors Based on 3D Reduced Graphene Oxide Aerogel

被引：43
|
作者：
Li, Qichao [1 ,2 ]
Liu, Yamin [3 ]
Chen, Di [1 ,2 ]
Miao, Jianmin [1 ,2 ]
Lin, Shujing [1 ,2 ]
Cui, Daxiang [1 ,2 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Elect Informat & Elect Engn, Minist Educ, Key Lab Thin Film & Microfabricat Technol, Shanghai 200240, Peoples R China
[2] Shanghai Engn Res Ctr Intelligent Diag & Treatmen, Shanghai 200240, Peoples R China
[3] Fudan Univ, Dept Chem, Shanghai Key Lab Mol Catalysis & Innovat Mat, Shanghai 200438, Peoples R China
来源：
IEEE ELECTRON DEVICE LETTERS | 2021年 / 42卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Sensors; Piezoresistance; Three-dimensional displays; Pressure sensors; Temperature sensors; Substrates; Graphene; Flexible piezoresistive sensor; 3D rGO aerogel; low-cost fabrication; human motions; e-skin;
D O I：
10.1109/LED.2021.3063166
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The flexible piezoresistive sensors have versatile applications for healthcare. The fabrication procedures of these sensors are generally costly, complex, and environmentally unfriendly. Herein, we use L-cystine as the green reductant and templating agent to prepare 3D reduced graphene oxide (rGO) aerogel, and polyvinyl chloride tape as the substrates to encapsulate the aerogel for making the piezoresistive sensor. The sensor shows good linearity of resistance to logarithmic pressure value in a wide range of 170.4 kPa to 2.4 MPa, and it is capable to monitor the wrist pulse and human motion. Sensors fabricated by this facile and economical method have great potential application in electronic skin.
引用
收藏
页码：589 / 592
页数：4
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