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

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

Research output: Contribution to journalReview articlepeer-review

143 Citations (Scopus)


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.

Original languageEnglish
Article number1903391
Issue number12
Publication statusPublished - 2020 Mar 1

Bibliographical note

Funding Information:
H.S., T.K., S.K., and H.J. contributed equally to this work. This work was supported by the NRF of Korea (NRF-2019R1A6A1A11044070, NRF-2017R1A2B3005682, and NRF-2019R1A2C2011003.), and Korea University Frontier Research Grant. H.J. acknowledges the Global Ph.D. Fellowship (NRF-2015H1A2A1033447).

Publisher Copyright:
© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim


  • gallium
  • liquid metals
  • microparticles
  • nanoparticles
  • syntheses

ASJC Scopus subject areas

  • Biotechnology
  • Biomaterials
  • General Chemistry
  • General Materials Science


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