Pt/Co‐Au Dumbbell‐Like Nanorods for Enhanced Electrocatalytic Performance of Formic Acid Electrooxidation

Pt/Co and Au are organized into well‐defined nanostructures by a simple and mild method, such as dumbbell‐like nanorods and core–shell nanorods. The resultant dumbbell‐like nanorods show a superior performance in the electrooxidation of formic acid, as compared with core–shell nanorods, Pt‐tipped go...

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Bibliographic Details
Published inParticle & particle systems characterization Vol. 35; no. 5
Main Authors Li, Xiaotong, Zhang, Junshu, Kou, Shufang, Yang, Xianfeng, Guo, Xia, Yang, Jian
Format Journal Article
LanguageEnglish
Published Weinheim Wiley Subscription Services, Inc 01.05.2018
Subjects
catalytic mechanism
Cobalt
core–shell nanorods
dumbbell‐like nanorods
Formic acid
formic acid electrooxidation
Gold
Nanorods
Platinum
selective growth
Tips
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Summary:Pt/Co and Au are organized into well‐defined nanostructures by a simple and mild method, such as dumbbell‐like nanorods and core–shell nanorods. The resultant dumbbell‐like nanorods show a superior performance in the electrooxidation of formic acid, as compared with core–shell nanorods, Pt‐tipped gold nanorods, and commercial Pt/C. This result can be attributed to electronic effect between Au and Pt, heteroatom effect of Co, irregular surface at the tips, and the interface effect. Monodisperse Pt/Co‐Au dumbbell‐like nanorods and Au@Pt/Co core–shell nanorods are synthesized by a simple method at room temperature. The dumbbell‐like nanorods show higher performances in formic acid electrooxidation, compared with core–shell nanorods, Pt‐tipped gold nanorods, and commercial Pt/C.
ISSN:0934-0866
1521-4117
DOI:10.1002/ppsc.201700379