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Issue 4, 2018
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‘Painting’ nanostructured metals—playing with liquid metal

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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.

Graphical abstract: ‘Painting’ nanostructured metals—playing with liquid metal

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Publication details

The article was received on 27 Feb 2018, accepted on 03 Apr 2018 and first published on 03 Apr 2018

Article type: Communication
DOI: 10.1039/C8NH00045J
Nanoscale Horiz., 2018,3, 408-416

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    ‘Painting’ nanostructured metals—playing with liquid metal

    Z. Wang, Y. Wang, H. Gao, J. Niu, J. Zhang, Z. Peng and Z. Zhang, Nanoscale Horiz., 2018, 3, 408
    DOI: 10.1039/C8NH00045J

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