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Cited by 352

The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.

Nanostructured Porous Gold for Methanol Electro-Oxidation

Zhang, Jintao, Liu, Pengpeng, Ma, Houyi, Ding, Yi·2007·The Journal of Physical Chemistry C

Abstract

Dealloying single phase alloys is known to generate a type of nanostructured porous metals with intriguing properties. In this study, nanoporous gold (NPG) made by dealloying Au−Ag is investigated as a novel electrode material for methanol electro-oxidation. Compared to bulk Au electrode, oxidation and subsequent reduction of NPG occur at significantly negative potentials in both acid and alkaline solutions. NPG shows great catalytic activity for methanol electro-oxidation, but the structure quickly coarsens upon long time potential cycling. Interestingly, after surface modification with only a tiny amount of platinum, NPG exhibits greatly enhanced electrocatalytic activity toward methanol oxidation in the alkaline solutions, which is exemplified by a broad and high anodic peak during the positive scan and two secondary oxidation peaks in the subsequent reverse scan. At the same time, SEM observation and long-time potential cycling both prove that Pt−NPG has much enhanced structure stability as compared with bare NPG.

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Crossref · 10.1021/jp072333p

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Metadata

Authors
Zhang, J., Liu, P., Ma, H., & Ding, Y.
Venue
The Journal of Physical Chemistry C
Published
2007-06-21
Volume
111
Issue
28
Pages
10382-10388
ISSN
  • 1932-7447 (ISSN-L)
  • 1932-7455
OpenAlex
W2024900996
Cited by
352
References
2
FWCI
13.16
Type
journal article
Language
en
Open access
closed

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