PLUS-M: a Porous Liquid-metal enabled Ubiquitous Soft Material†,Materials Horizons

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PLUS-M: a Porous Liquid-metal enabled Ubiquitous Soft Material†
Materials Horizons ( IF 12.2 ) Pub Date : 2017-12-19 00:00:00 , DOI: 10.1039/c7mh00989e
Hongzhang Wang _{1,

2,

3} , Bo Yuan _{1,

2,

3} , Shuting Liang _{1,

2,

3} , Rui Guo _{1,

2,

3} , Wei Rao _{3,

4,

5} , Xuelin Wang _{1,

2,

3} , Hao Chang _{3,

4,

5} , Yujie Ding _{3,

4,

5} , Jing Liu _{1,

2,

3,

4,

5} , Lei Wang _{3,

4,

5}

Affiliation

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.

中文翻译：

PLUS-M：启用液态金属的无处不在的软材料†

多孔液体-金属启用泛软材料（PLUS-M）通过装载化学反应性的铁纳米颗粒成共晶镓-铟合金（EGAIN），其孔隙率和形状可容易地调节，制作通过遥控。这样的PLUS-M可以在很短的时间内膨胀到惊人的大幅度，例如是其原始体积的7倍，并在内部产生可调节的闭孔泡沫。由于这种独特的特性，PLUS-M的密度可以轻松控制，使PLUS-M在受热时可以漂浮在水上，甚至可以将水下重物拉到表面上方。而且，这种多孔材料可以通过加热和搅拌等方法控制镓的氧化程度，从而在液态和固态之间转变。固态多孔结构和液态之间的可逆转变可以达到100倍以上，而性能不会明显下降。

更新日期：2017-12-19

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