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標題: Preparation and characterization of an AuCu3 alloy electrode for electrocatalytic applications
作者: Tai, C.Y.
Chang, J.L.
Lee, J.F.
Chan, T.S.
Zen, J.M.
Project: Electrochimica Acta
期刊/報告no:: Electrochimica Acta, Volume 56, Issue 9, Page(s) 3115-3121.
We report here preparation and characterization of an AuCu3 alloy electrochemical sensing platform fabricated on an easy for mass production barrel-plated gold electrode (AuBPE). Note that the AuBPE consists of Cu main body with successive plating of a very thin layer of Ni and Au (i.e., Cu-Ni-Au multilayer). By suitably manipulating the grain boundary diffusion between individual metallic layers of Cu-Ni-Au by means of thermal annealing treatment. AuCu3 alloy film can be formed directly on the outer surface of the AuBPE. Electrochemical activation in alkaline solution can further generate a nanostructured AuCu3 alloy film. This facile and novel approach is promising to prepare sensors for electroanalytical applications, e.g., glucose oxidation in pH-neutral solutions and simultaneous detection of uric acid, dopamine and ascorbic acid. (C) 2011 Elsevier Ltd. All rights reserved.
ISSN: 0013-4686
DOI: 10.1016/j.electacta.2011.01.071
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