离子导电水凝胶(ICHs)作为一种新型的柔性电子材料,因其功能结构可调和官能团可调控的特点,能够实现在宽范围内的力学性能和电化学性能的可调性,其在柔性智能感知领域具有潜在的应用前景。介绍了聚乙烯醇(PVA)基导电水凝胶分类及其研究进展,综述了PVA基离子导电水凝胶在柔性智能感知应用领域的研究。指出了当前大多数ICHs基柔性传感器件存在机械性能差、环境耐受性低和响应单一性的问题,并提出了PVA基ICH的后续研究方向。
As a novel flexible electronic material,ionic conductive hydrogels (ICHs) exhibit the capability of achieving tunable mechanical and electrochemical properties spanning a wide range,which is attributed to their modifiable functional structures and groups.These hydrogels hold significant potential for applications in the field of flexible smart sensing.This paper introduced the classification of poly(vinyl alcohol)(PVA)-based conductive hydrogels and their research advancements,reviewed the research on PVA-based ion-conductive hydrogels for flexible smart sensing applications.It further underscored the challenges associated with most current ICH-based flexible sensor devices,such as inferior mechanical properties,limited environmental tolerance,and homogeneous response.Consequently,potential research directions for PVA-based ICHs were proposed.
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基金资助
国家自然科学基金(52102303和52103095);西安市高校院所科技人员服务企业项目(24GXFW0058)