离子液体
弹簧(装置)
范德瓦尔斯力
材料科学
标度系数
离子键合
复合材料
生物相容性
压缩(物理)
纳米技术
化学工程
化学
有机化学
机械工程
离子
分子
冶金
制作
工程类
催化作用
医学
生物化学
替代医学
病理
作者
Lisong Dong,Xiaoyao Zhou,Shuxin Zheng,Zhongfan Luo,Yuxiang Nie,Xinliang Feng,Jiahua Zhu,Zhangzhong Wang,Xiaohua Lü,Liwen Mu
标识
DOI:10.1016/j.cej.2023.141370
摘要
Conductive ionic gels are considered as potential flexible sensing materials owing to their softness and biocompatibility. Nevertheless, pure ionic gels typically exhibit poor mechanical properties and low sensitivity. In this study, MXene and liquid metal (LM) are introduced for self-assembly to form a spring structure. The enhanced effect of the van der Waals force synergy between the two fillers increases the tensile resistance (925 %, 1091.5 kPa), compression resistance (75 %, 2534.3 kPa) and self-healing (∼90 % recovery) efficiency of the ionic gel. In addition, the conductive paths based on double fillers are greatly destroyed during the straining process, and show a very high gauge factor (15.47) because of their unique spring structure and weak viscous force between them. This study provides a new approach for the preparation of highly sensitive sensing materials for human body monitoring and applications in other domains.
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