期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 5, 期 7, 页码 1072-1076出版社
AMER CHEMICAL SOC
DOI: 10.1021/jz5003583
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资金
- Russian Foundation for Basic Research [13-03-00788]
Webs consisting of nanowires made of gold, platinum and mercury were produced by the technique based on laser ablation of metals inside superfluid helium. Their morphology and structure as well as their electrical conductivity have been studied. Diameters of gold and platinum nanowires are 4.5 and 3 nm, respectively. Fortunately, they are close to diameters of nanospheres made of these metals, which, as known from the literature, possess anomalous catalytic activity. Web resistivities for all metals up to room temperature are controlled by conductive electron scattering on a wire surface, thus they are almost independent of T. Nanowires in the webs are electrically interconnected, and therefore the web can be used as a catalyst without any support. Possible advantages of this type of nanocatalyst are outlined.
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