Liquid metal marbles

V. Sivan; S.-Y. Tang; A.P. O'Mullane; P. Petersen; N. Eshtiaghi; K. Kalantar-Zadeh; A. Mitchell

doi:10.1002/adfm.201200837

Liquid metal marbles

V. Sivan, S.-Y. Tang, A.P. O'Mullane, P. Petersen, N. Eshtiaghi, K. Kalantar-Zadeh, A. Mitchell

Engineering

Research output: Contribution to journal › Article › peer-review

162 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	144-152
Journal	Advanced Functional Materials
Volume	23
Issue number	2
DOIs	https://doi.org/10.1002/adfm.201200837
Publication status	Published - 14 Jan 2013

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AU - Sivan, V.

AU - Tang, S.-Y.

AU - O'Mullane, A.P.

AU - Petersen, P.

AU - Eshtiaghi, N.

AU - Kalantar-Zadeh, K.

AU - Mitchell, A.

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Liquid metal marbles

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