材料科学
复合材料
软机器人
弹性体
可伸缩电子设备
生物电子学
介电弹性体
聚合物
执行机构
纳米技术
数码产品
计算机科学
物理化学
人工智能
生物传感器
化学
作者
Carmel Majidi,Kaveh Alizadeh,Yunsik Ohm,André Silva,Mahmoud Tavakoli
出处
期刊:Flexible and printed electronics
[IOP Publishing]
日期:2022-02-14
卷期号:7 (1): 013002-013002
被引量:24
标识
DOI:10.1088/2058-8585/ac515a
摘要
Abstract Soft polymers embedded with liquid metals like eutectic gallium-indium (EGaIn) exhibit unique combinations of mechanical, electrical, and thermal properties that are not possible with other material systems. For example, a soft silicone elastomer embedded with a percolating network of EGaIn microdroplets can function as a highly soft and elastic conductor that can be stretched to 600% strain without significant change in electrical resistance. Depending on the choice of polymer matrix and EGaIn microstructure, these soft material composites can be engineered to exhibit mechanical and electrical self-healing properties as well as high fracture toughness and resistance to tearing. Moreover, when solid filler particles like silver flakes are added to EGaIn-polymer composites, they can function as printable conductive inks that are fully elastic, non-marking, and non-smearing when cured. In this short review, we present different classes of EGaIn-polymer composites, discuss approaches to materials synthesis and patterning, and compare their properties with other material systems. Additionally, we will review applications of this emerging class of materials in domains ranging from wearable bioelectronics to soft robotics, shape programmable smart materials, as well as energy storage and harvesting devices.
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