材料科学
自愈水凝胶
碳纳米管
纳米技术
制作
柔性电子器件
电极
可穿戴技术
可伸缩电子设备
复合材料
导电体
光电子学
石墨烯
聚合物
化学工程
数码产品
可穿戴计算机
高分子化学
嵌入式系统
物理化学
病理
化学
医学
替代医学
计算机科学
作者
Evgenia P. Gilshteyn,Shaoting Lin,Vladislav A. Kondrashov,Daria S. Kopylova,Alexey P. Tsapenko,Anton Anisimov,A. John Hart,Xuanhe Zhao,Albert G. Nasibulin
标识
DOI:10.1021/acsami.8b08409
摘要
Electrically conductive hydrogels (ECHs) are attracting much interest in the field of biomaterials science because of their unique properties. However, effective incorporation and dispersion of conductive materials in the matrices of polymeric hydrogels for improved conductivity remains a great challenge. Here, we demonstrate highly transparent, electrically conductive, stretchable tough hydrogels modified by single-walled carbon nanotubes (SWCNTs). Two different approaches for the fabrication of SWCNT/hydrogel structures are examined: a simple SWCNT film transfer onto the as-prepared hydrogel and the film deposition onto the pre-stretched hydrogel. Functionality of our method is confirmed by scanning electron microscopy along with optical and electrical measurements of our structures while subjecting them to different strains. Since the hydrogel-based structures are intrinsically soft, stretchable, wet, and sticky, they conform well to a human skin. We demonstrate applications of our material as skin-like passive electrodes and active finger-mounted joint motion sensors. Our technique shows promise to accelerate the development of biointegrated wearable electronics.
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