Liquid metal marbles

Sivan, Vijay, Tang, Shi-Yang, O'Mullane, Anthony P., Petersen, Phred, Eshtiaghi, Nicky, Kalantar-zadeh, Kourosh, & Mitchell, Arnan (2013) Liquid metal marbles. Advanced Functional Materials, 23(2), pp. 144-152.

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Liquid metal marbles that are droplets of liquid metal encapsulated by micro- or nanoparticles are introduced. Droplets of galinstan liquid metal are coated with insulators (including Teflon and silica) and semiconductors (including WO3, TiO2, MoO3, In2O3 and carbon nanotubes) by rolling over a powder bed and also by submerging in colloidal suspensions. It is shown that these marbles can be split and merged, can be suspended on water, and are even stable when moving under the force of gravity and impacting a flat solid surface. Furthermore, the marble coating can operate as an active electronic junction and the nanomaterial coated liquid metal marble can act as a highly sensitive electrochemical based heavy metal ion sensor. This new element thus represents a significant platform for the advancement of research into soft electronics.

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65 citations in Web of Science®

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ID Code: 64321
Item Type: Journal Article
Refereed: Yes
Additional Information: Published prior to commencement at QUT
Keywords: liquid metals;liquid marbles;soft electronics;metal-semiconductor-metal structures;heavy metal ion sensors
DOI: 10.1002/adfm.201200837
ISSN: 1616-3028
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 19 Nov 2013 00:53
Last Modified: 19 Nov 2013 23:26

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