‘Painting’ nanostructured metals—playing with liquid metal†,Nanoscale Horizons

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‘Painting’ nanostructured metals—playing with liquid metal†
Nanoscale Horizons ( IF 8.0 ) Pub Date : 2018-04-03 00:00:00 , DOI: 10.1039/c8nh00045j
Zhenbin Wang _{1,

2,

3,

4,

5} , Ying Wang _{1,

2,

3,

4,

5} , Hui Gao _{1,

2,

3,

4,

5} , Jiazheng Niu _{1,

2,

3,

4,

5} , Jie Zhang _{1,

2,

3,

4,

5} , Zhangquan Peng _{6,

7,

8,

9,

10} , Zhonghua Zhang _{1,

2,

3,

4,

5}

Affiliation

Materials scientists always dream to ‘paint’ nanostructured metal on a metallic foil, just as artists paint a painting on a canvas. Herein, we have, for the first time, realized this dream using liquid gallium (Ga) as the paint. Through a liquid Ga stimulated painting–alloying–dealloying strategy, seven kinds of nanostructured metallic films including Au, Ag, Pd, Pt, Cu, Co, and Ni were generally fabricated and supported on the corresponding metallic foils. Owing to the painting-like operation, nanostructured films with complicated patterns and large sizes (up to meters) were successfully produced without any shape/size limitations. The nanostructured metallic films possess advantages like their unique nanoporous structures, self-supporting nature, good continuity, flexibility and high specific surface areas, and could serve as robust electrodes in devices like batteries, fuel cells, water splitting electrolyzers, etc. Moreover, the proposed strategy shows great potential in the fabrication of other self-supporting, flexible, advanced nanomaterials.

中文翻译：

“绘画”纳米结构金属-与液态金属一起使用†

材料科学家一直梦想着在金属箔上“画”纳米结构的金属，就像艺术家在画布上画一幅画一样。在这里，我们第一次实现了使用液态镓（Ga）作为涂料的梦想。通过液体镓激发的涂漆-合金化-脱合金策略，通常在相应的金属箔上制造并支撑了七种纳米结构的金属膜，包括金，银，钯，铂，铜，钴和镍。由于进行了类似绘画的操作，因此成功生产了具有复杂图案和大尺寸（高达米）的纳米结构薄膜，而没有任何形状/尺寸限制。纳米结构的金属膜具有诸如独特的纳米多孔结构，自支撑性质，良好的连续性，柔韧性和高比表面积等优点，等等。此外，在其他自支撑，灵活，先进的纳米材料制造所提出的策略显示出巨大的潜力。

更新日期：2018-04-03

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