材料科学
离子键合
传统PCI
纳米技术
氢键
变硬
星团(航天器)
复合材料
分子
离子
计算机科学
有机化学
化学
心理学
精神科
心肌梗塞
程序设计语言
作者
Xiaolin Lyu,Haoqi Zhang,Shichu Yang,Weiqing Zhan,Mingmao Wu,Yan Yu,Zhihao Shen,Zhigang Zou
标识
DOI:10.1021/acsami.3c05802
摘要
Highly stretchable and conductive ionogels have great potential in flexible electronics and soft robotic skins. However, current ionogels are still far from being able to accurately duplicate the mechanically responsive behavior of real human skin. Furthermore, durable robotic skins that are applicable under harsh conditions are still lacking. Herein, a strong noncovalent interaction, ionic clusters, is combined with hydrogen bonds to obtain a physically cross-linked ionogel (PCI). Benefiting from the strong ionic bonding of the ionic cluster, the PCI shows strain-stiffening behavior similar to that of human skin, thus enabling it to have a perception-strengthening ability. Additionally, the strong ionic clusters can also ensure the PCI remains stable at high temperatures. Even when the temperature is raised to 200 °C, the PCI can maintain the gel state. Moreover, the PCI exhibits high transparency, recyclability, good adhesion, and high conductivity. Such excellent features distinguish the PCI from ordinary ionogels, providing a new way to realize skin-like sensing in harsh environments for future bionic machines.
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