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- Title
Flexible electronic skin sensor based on regenerated cellulose/carbon nanotube composite films.
- Authors
Xie, Yuanyuan; Xu, Haiyu; He, Xianqing; Hu, Yang; Zhu, Enwen; Gao, Yujiao; Liu, Dongning; Shi, Zhuqun; Li, Jing; Yang, Quanling; Xiong, Chuanxi
- Abstract
Flexible and stretchable artificial electronic skin (E-skin) has attracted more and more attention in recent years. The incorporation of microstructures can effectively change the contact area and increase the sensitivity of E-skin materials to some extent, but usually require expensive micromachining methods. In this work, cellulose was dissolved in a NaOH/urea aqueous solution and compounded with carbon nanotubes (CNT) to prepare regenerated cellulose (RC) -CNT composite films. Then the microstructure was introduced onto the surface of RC-CNT composite films, and assembled the composite films into an E-skin sensing device. The results indicated that the RC-CNT composite films possessed good flexibility, high tensile strength (61.6 MPa) and strain (17.7%), favorable sensing performance, and good response performance. In addition, in vitro toxicity experiments indicated that the composite films exhibited no cytotoxicity. Therefore, the flexible sensor based on RC-CNT composite films has potential applications in wearable personal health monitoring and tactile sensitive information collection.
- Subjects
CARBON composites; CELLULOSE; ARTIFICIAL skin; CARBON nanotubes; TENSILE strength
- Publication
Cellulose, 2020, Vol 27, Issue 17, p10199
- ISSN
0969-0239
- Publication type
Article
- DOI
10.1007/s10570-020-03496-w