Formation of substrate-based gold nanocage chains through dealloying with nitric acid
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چکیده
منابع مشابه
Formation of substrate-based gold nanocage chains through dealloying with nitric acid
Metal nanocages have raised great interest because of their new properties and wide applications. Here, we report on the use of galvanic replacement reactions to synthesize substrate-supported Ag-Au nanocages from silver templates electrodeposited on transparent indium tin oxide (ITO) film coated glass. The residual Ag in the composition was dealloyed with 10% nitric acid. It was found that cha...
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Nanoporous gold has many potential applications in various fields, including energy storage, catalysis, sensing and actuating. Dealloying of Ag–Au alloys under free corrosion conditions is a simple method to fabricate nanoporous gold. Here, we systematically investigate the dealloying rate of Ag–xAu alloy for a range of alloy compositions (x = 20–40 at.%) and nitric acid concentration (7.3–14.9...
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We report a novel strategy for the fabrication of nanoporous gold (NPG) films. The fabrication process involves the electrodeposition of a gold-tin alloy, followed by subsequent chemical dealloying of tin. Scanning electron microscopy (SEM) images show a bicontinuous nanoporous structure formed on the substrates after chemical dealloying. Energy dispersive x-ray (EDX) analysis indicates that th...
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ژورنال
عنوان ژورنال: Beilstein Journal of Nanotechnology
سال: 2015
ISSN: 2190-4286
DOI: 10.3762/bjnano.6.140