journal article·2019-02Open access

Functional Liquid Metal Nanoparticles Produced by Liquid‐Based Nebulization

Shi‐Yang Tang, Ruirui Qiao, Yiliang Lin, Yuhuan Li, Qianbin Zhao, Dan Yuan, Guolin Yun, Jinhong Guo, Michael D. Dickey, Tony Jun Huang, Thomas P. Davis, Kourosh Kalantar‐Zadeh, Weihua Li

Advanced Materials Technologies· Volume 4· Issue 2

Abstract

Abstract Functional liquid metal nanoparticles (NPs), produced from eutectic alloys of gallium, promise new horizons in the fields of sensors, microfluidics, flexible electronics, catalysis, and biomedicine. Here, the development of a vapor cavity generating ultrasonic platform for nebulizing liquid metal within aqueous media for the one‐step production of stable and functional liquid metal NPs is shown. The size distribution of the NPs is fully characterized and it is demonstrated that various macro and small molecules can also be grafted onto these liquid metal NPs during the liquid‐based nebulization process. The cytotoxicity of the NPs grafted with different molecules is further explored. Moreover, it is shown that it is possible to control the thickness of the oxide layer on the produced NPs using electrochemistry that can be embedded within the platform. It is envisaged that this platform can be adapted as a cost‐effective and versatile device for the rapid production of functional liquid metal NPs for future liquid metal‐based optical, electronic, catalytic, and biomedical applications.
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Research context

OpenAlex topics: Nanomaterials and Printing Technologies · Innovative Microfluidic and Catalytic Techniques Innovation · Micro and Nano Robotics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Mechanical, Materials, Mechatronic and Biomedical Engineering University of Wollongong Wollongong NSW 2522 Australia

ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology Monash Institute of Pharmaceutical Sciences Monash University Parkville VIC 3052 Australia

Department of Chemical and Biomolecular Engineering North Carolina State University Raleigh NC USA

School of Communication and Information Engineering University of Electronic Science and Technology of China Chengdu 611731 China

Department of Mechanical Engineering and Materials Science Duke University Durham NC 27708 USA

Department of Chemistry University of Warwick Gibbet Hill Coventry CV4 7AL UK

School of Chemical Engineering University of New South Wales Sydney NSW 2052 Australia

Funding

University of Wollongong · Australian Research Council · National Science Foundation · Materials Research Science and Engineering Center, Harvard University

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