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The effect of electrochemical pretreatment on the catalytic activity of carbon-supported gold nanoparticles for NADH oxidation

Title
The effect of electrochemical pretreatment on the catalytic activity of carbon-supported gold nanoparticles for NADH oxidation
Authors
Shim J.H.Kim J.Go A.Lee C.Lee Y.
Ewha Authors
이종목이영미심준호김지영
SCOPUS Author ID
이종목scopus; 이영미scopus
Issue Date
2013
Journal Title
Materials Letters
ISSN
0167-577XJCR Link
Citation
vol. 91, pp. 330 - 333
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
The electrochemical oxidation of nicotinamide adenine dinucleotide (NADH) is studied systematically on four types of electrodes, i.e., glassy carbon (GC), carbon (C), Au nanoparticles (AuNP), and C-supported AuNP (AuNP/C) in a 0.05 M phosphate buffer solution (pH 7.4) before and after the electrochemical pretreatment carried out by repetitive potential scanning between -0.2 V and 1.0 V (vs. SCE) for 100 cycles. This simple pretreatment improves the electrocatalytic activity of the AuNP/C toward the NADH oxidation remarkably, suggesting the key role of Au oxide layers in facilitating the NADH electrochemical oxidation. © 2012 Elsevier B.V. All rights reserved.
DOI
10.1016/j.matlet.2012.10.005
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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