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231224s2012 xx |||||o 00| ||eng c |
| 024 |
7 |
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|a 10.1021/la300813z
|2 doi
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|a eng
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| 100 |
1 |
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|a Kuai, Long
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Au-Pd alloy and core-shell nanostructures
|b one-pot coreduction preparation, formation mechanism, and electrochemical properties
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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| 500 |
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|a Date Completed 29.08.2012
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|a Date Revised 08.05.2012
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a It is a known fact that Pd-based bimetallic nanostructures possess unique properties and excellent catalytic performance. In this work, the Au-Pd alloy and core-shell nanostructures have been prepared by a simple one-pot hydrothermal coreduction route, and their formation process and mechanism are discussed in detail. A reducing capacity-induced controlled reducing mechanism is proposed for the formation process of Au-Pd bimetallic nanostructures. CTAB plays a key role in the formation of alloy Au-Pd nanostructures. When CTAB is absent, the products are typical core-shell nanostructures. Moreover, the as-prepared nanostructures exhibit excellent electrocatalytic ORR performance in alkaline media, especially for Au-Pd alloy nanostructures. The overpotential of oxygen reduction gets reduced significantly, and the peak potential is positive-shifted by 44 and 34 mV in comparison with the core-shell ones and Pd/C catalyst, respectively. Thus, the controllable preparation and excellent electrocatalytic properties will make them become a potentially cheaper Pd-based cathodic electrocatalyst for DAFCs in alkaline media
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|a Journal Article
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1 |
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|a Yu, Xue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Shaozhen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sang, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Geng, Baoyou
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 28(2012), 18 vom: 08. Mai, Seite 7168-73
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|x 1520-5827
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|g volume:28
|g year:2012
|g number:18
|g day:08
|g month:05
|g pages:7168-73
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|u http://dx.doi.org/10.1021/la300813z
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