PLUS-M: A Porous Liquid-metal enabled Ubiquitous Soft Material

Hongzhang Wang; Bo Yuan; Shuting Liang; Rui Guo; Wei Rao; Xuelin Wang; Hao Chang; Yujie Ding; Jing Liu; Lei Wang

doi:10.1039/c7mh00989e

PLUS-M: A Porous Liquid-metal enabled Ubiquitous Soft Material

Hongzhang Wang, Bo Yuan, Shuting Liang, Rui Guo, Wei Rao, Xuelin Wang, Hao Chang, Yujie Ding, Jing Liu^*, Lei Wang

^*Corresponding author for this work

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

124 Citations (Scopus)

Abstract

A Porous Liquid-metal enabled Ubiquitous Soft Material (PLUS-M) was fabricated through loading chemically reactive iron nanoparticles into eutectic gallium-indium alloys (EGaIn), whose porosity and shape could be easily regulated via remote control. Such a PLUS-M could expand to a surprisingly large magnitude in a short time, say seven times its original volume, and generate adjustable closed cell foams inside. Owing to this unique property, the density of the PLUS-M can be easily controlled, allowing the PLUS-M to float on water or even pull up underwater heavy objects above the surface when subjected to heating. What's more, this porous material can transform between liquid and solid states through controlling the oxidation level of gallium using methods like heating and stirring. The reversible transformation between the solid porous structure and liquid state could be achieved more than 100 times without obvious performance degradation.

Original language	English
Pages (from-to)	222-229
Number of pages	8
Journal	Materials Horizons
Volume	5
Issue number	2
DOIs	https://doi.org/10.1039/c7mh00989e
Publication status	Published - Mar 2018
Externally published	Yes

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title = "PLUS-M: A Porous Liquid-metal enabled Ubiquitous Soft Material",

abstract = "A Porous Liquid-metal enabled Ubiquitous Soft Material (PLUS-M) was fabricated through loading chemically reactive iron nanoparticles into eutectic gallium-indium alloys (EGaIn), whose porosity and shape could be easily regulated via remote control. Such a PLUS-M could expand to a surprisingly large magnitude in a short time, say seven times its original volume, and generate adjustable closed cell foams inside. Owing to this unique property, the density of the PLUS-M can be easily controlled, allowing the PLUS-M to float on water or even pull up underwater heavy objects above the surface when subjected to heating. What's more, this porous material can transform between liquid and solid states through controlling the oxidation level of gallium using methods like heating and stirring. The reversible transformation between the solid porous structure and liquid state could be achieved more than 100 times without obvious performance degradation.",

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T2 - A Porous Liquid-metal enabled Ubiquitous Soft Material

AU - Wang, Hongzhang

AU - Yuan, Bo

AU - Liang, Shuting

AU - Guo, Rui

AU - Rao, Wei

AU - Wang, Xuelin

AU - Chang, Hao

AU - Ding, Yujie

AU - Liu, Jing

AU - Wang, Lei

PY - 2018/3

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AB - A Porous Liquid-metal enabled Ubiquitous Soft Material (PLUS-M) was fabricated through loading chemically reactive iron nanoparticles into eutectic gallium-indium alloys (EGaIn), whose porosity and shape could be easily regulated via remote control. Such a PLUS-M could expand to a surprisingly large magnitude in a short time, say seven times its original volume, and generate adjustable closed cell foams inside. Owing to this unique property, the density of the PLUS-M can be easily controlled, allowing the PLUS-M to float on water or even pull up underwater heavy objects above the surface when subjected to heating. What's more, this porous material can transform between liquid and solid states through controlling the oxidation level of gallium using methods like heating and stirring. The reversible transformation between the solid porous structure and liquid state could be achieved more than 100 times without obvious performance degradation.

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PLUS-M: A Porous Liquid-metal enabled Ubiquitous Soft Material

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