胶粘剂
材料科学
墨水池
导电体
复合材料
数码产品
织物
印刷电子产品
热扩散率
柔性电子器件
磁导率
纳米技术
电气工程
膜
物理
图层(电子)
量子力学
生物
遗传学
工程类
作者
Li Zhu,Xinran Zhou,Jiwei Zhang,Yong Xia,Mengjie Wu,Yue Zhang,Zeren Lu,Weikang Li,Luyun Liu,Hao Liu,Jianyong Yu,Jiaqing Xiong
出处
期刊:ACS Nano
[American Chemical Society]
日期:2024-12-13
标识
DOI:10.1021/acsnano.4c11291
摘要
Elastic conductive ink (ECI) can effectively balance the electromechanical properties of printed flexible electronics. It remains challenging to realize ECIs for direct printing on deformable porous substrates with complex textures, such as textiles, to form continuous and stable electrical paths. We engineered a self-adhesive ECI with high permeability and low diffusivity, achieving efficient electrode printing on a wide range of textiles with material and structure diversity. The ECI consists of a microphase separation-toughened elastomer (styrene-isoprene-styrene/ethyl vinyl acetate (SIS-EVA)) and a binary conductive filler. SIS-EVA provides a tough framework to protect silver flakes (AgFKs) and forms a ductile conductive path, which can be electrically compensated by liquid metal microspheres (LMMSs) upon dynamic deformation. The freestanding ECI conductor demonstrates a breaking strain of ∼1305.5% and a conductivity of ∼5322.7 S cm
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