具有量身定制的再电特性的电流体:具有可调节网络结构的液体复合材料作为可伸缩导体
Dominik S Schmidt1, Tobias Kraus1,2, Lola González-García1,3
1INM-Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany.
ACS applied materials & interfaces
|August 8, 2024
概括
我们介绍了电流体,用于软电子的新型导电悬浮. 溶剂选择控制粒子聚合,显著降低导电率值,并使可调节的传感器和电极材料成为可能.
科学领域:
- 材料科学 材料科学 材料科学
- 软电子是软电子的产品之一.
- 导电复合材料 导电复合材料
背景情况:
- 灵活和可拉伸的电子产品需要可靠的,不易拉伸的导电材料.
- 现有的解决方案,如导电聚合物和液体金属有限制,如导电性变化或稀有金属含量.
- 固体复合材料通常需要复杂的结构,并且具有有限的机械性能.
研究的目的:
- 为软电子产品引入一类新的导电材料,称为电流体.
- 研究溶剂兼容性对基于碳黑 (CB) 的电流体性能的影响.
- 建立基于刚度和电导性的电流体的优点数字.
主要方法:
- 开发了带电粒子悬浮体 (电流体) 的缩导体,具有短暂的粒子接触.
- 使用兼容和不兼容的溶剂研究了碳黑 (CB) 聚合和透值.
- 在单轴拉伸应变下含有电流体的密封弹性体管的特征,监测电阻.
- 分析了材料刚度和电导率之间的相关性.
主要成果:
- 不兼容的溶剂导致CB聚合物,使电透值降低了数量级.
- 观察到溶剂兼容性,粒子聚合和压电阻力之间的直接依赖.
- 电流体证明了基于溶剂选择的可调节的机电性质.
- 开发了一个优点图来评估电流体性能.
结论:
- 电流体为设计可持续软电子元件提供了一个多功能平台.
- 简单的溶剂选择允许合理设计用于传感和电极应用的材料.
- 这些材料弥合了固体复合材料和液体金属之间的差距,提供了独特的优势.
相关概念视频
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