Connecting the Dots: Sintering of Liquid Metal Particles for Soft and Stretchable Conductors

IF 51.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Simok Lee, Syed Ahmed Jaseem, Nurit Atar, Meixiang Wang, Jeong Yong Kim, Mohammadreza Zare, Sooyoung Kim, Michael D. Bartlett, Jae-Woong Jeong and Michael D. Dickey*, 
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引用次数: 0

Abstract

This review focuses on the sintering of liquid metal particles (LMPs). Here, sintering means the partial merging or connecting of particles (or droplets) to form a network of percolated and, thus, conductive electrical pathways. LMPs are attractive materials because they can be suspended in a carrier fluid to create printable inks or distributed in an elastomer to create soft, stretchable composites. However, films and traces of LMPs are not typically conductive as fabricated due to the native oxide that forms on the surface of the particles. In the case of composites, polymers can also get between particles, making sintering more challenging. Sintering can be done via a variety of ways, such as mechanical, thermal, and chemical processing. This review discusses the mechanisms to sinter these particles, patterning techniques that use sintering, unique properties of sintered LMPs, and their practical applications in fields such as stretchable electronics, soft robotics, and active materials.

Abstract Image

连接点:用于软和可拉伸导体的液态金属颗粒的烧结
本文对液态金属颗粒的烧结技术进行了综述。在这里,烧结意味着颗粒(或液滴)的部分合并或连接,以形成一个渗透网络,从而形成导电通路。LMPs是一种有吸引力的材料,因为它们可以悬浮在载体流体中以制造可打印的油墨,或者分布在弹性体中以制造柔软、可拉伸的复合材料。然而,由于在颗粒表面形成的天然氧化物,LMPs的薄膜和痕量通常不导电。在复合材料的情况下,聚合物也可以进入颗粒之间,使烧结更具挑战性。烧结可以通过多种方式完成,如机械、热和化学加工。本文讨论了这些颗粒的烧结机制,使用烧结的图案技术,烧结LMPs的独特性能,以及它们在可拉伸电子,软机器人和活性材料等领域的实际应用。
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来源期刊
Chemical Reviews
Chemical Reviews 化学-化学综合
CiteScore
106.00
自引率
1.10%
发文量
278
审稿时长
4.3 months
期刊介绍: Chemical Reviews is a highly regarded and highest-ranked journal covering the general topic of chemistry. Its mission is to provide comprehensive, authoritative, critical, and readable reviews of important recent research in organic, inorganic, physical, analytical, theoretical, and biological chemistry. Since 1985, Chemical Reviews has also published periodic thematic issues that focus on a single theme or direction of emerging research.
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