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导电水凝胶最新研究结果在Journal of Materials Chemistry C在线发表!
来源:周宏伟教授个人网站 发布日期:2018-11-20

课题组导电水凝胶最新研究结果在Journal of Materials Chemistry C 在线发表!

该工作得到了国家自然科学青年基金、陕西省普通高校青年杰出人才计划、陕西省自然科学基础研究计划项目、陕西省高校科协青年人才托举计划项目的资助。

文章信息:

Jialiang Lai,Hongwei Zhou,*Mingcheng Wang, Yaokun Chen, Zhaoyang Jin, Shuangli Li, Jingjing Yang, Xilang Jin,*Hanbin Liu,* Weifeng Zhao, Recyclable, Stretchable and Conductive Double Network Hydrogels towards Flexible Strain Sensors, Journal of Materials Chemistry C, 2018, DOI: 10.1039/C8TC04958K. (SCI一区,IF=5.976)

文章链接:https://pubs.rsc.org/en/content/articlelanding/2014/TC/C8TC04958K#!divAbstract

摘要:

Stretchable and elastic double network (DN) hydrogels are increasingly investigated for flexible electronics but their recyclability is rarely considered. Herein, recyclable, stretchable and conductive DN-hydrogels are explored and utilized in flexible resistive-type strain sensors. Such DN-hydrogels are fully physically cross-linked and composed of a crystalline domain cross-linked poly(vinyl alcohol) (PVA) network and a Tb3+-cross-linked poly(acrylic acid sodium) (PAANa-Tb3+) network. Due to their unique structure, the DN-hydrogels have excellent recyclability and flexibility, and they are also conductive and photoluminescent due to the presence of Tb3+. Utilizing the DN-hydrogels, flexible strain sensors are assembled and further applied to monitor large human motions, such as moving of two hands and bending of joints, as well as subtle physiological activities including moving of bicipital muscle, swallowing and breathing. Overall, the present example not only helps to understand the toughening and strengthening mechanism of fully physically cross-linked DN-hydrogels, but also offers a clue to develop multifunctional hydrogels for recyclable flexible electronics.



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