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Review
. 2020 Mar;16(12):e1903391.
doi: 10.1002/smll.201903391. Epub 2019 Oct 3.

Ga-Based Liquid Metal Micro/Nanoparticles: Recent Advances and Applications

Hyunsun Song  1 , Taekyung Kim  1 , Seohyun Kang  1 , Haneul Jin  1 , Kwangyeol Lee  1 , Hyo Jae Yoon  1
Affiliations
Review

Ga-Based Liquid Metal Micro/Nanoparticles: Recent Advances and Applications

Hyunsun Song et al. Small. 2020 Mar.

Abstract

Liquid metals are emerging as fluidic inorganic materials in various research fields. Micro- and nanoparticles of Ga and its alloys have received particular attention in the last decade due to their non toxicity and accessibility in ambient conditions as well as their interesting chemical, physical, mechanical, and electrical properties. Unique features such as a fluidic nature and self-passivating oxide skin make Ga-based liquid metal particles (LMPs) distinguishable from conventional inorganic particles in the context of synthesis and applications. Here, recent advances in the bottom-up and top-down synthetic methods of Ga-based LMPs, their physicochemical properties, and their applications are summarized. Finally, the current status of the LMPs is highlighted and perspectives on future directions are also provided.

Keywords: gallium; liquid metals; microparticles; nanoparticles; syntheses.

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