期刊
ACS APPLIED MATERIALS & INTERFACES
卷 6, 期 13, 页码 10549-10555出版社
AMER CHEMICAL SOC
DOI: 10.1021/am502148z
关键词
reduced graphene oxide; nanorings; hexadecylpyridinium chloride; oxygen reduction reaction; ethanol oxidation reaction
资金
- NSFC [21175118, 21275130, 21275131]
- colleges in Zhejiang Province to the young academic leaders of Academic Climbing Project [pd2013055]
In this work, a facile one-pot wet-chemical method was developed for the self-assembly of PdPt@Pt nanorings via in situ reduction of [PdCl4](2-) and [PtCl6](2-) at room temperature, which are simultaneously dispersed on reduced graphene oxide (rGO; denoted as PdPt@Pt/rGO). Hexadecylpyridinium chloride was demonstrated as a shape-directing agent and formic acid as a reducing agent during the reaction process. The as-prepared PdPt@Pt/rGO exhibited enhanced electrocatalytic activity and better stability for oxygen reduction reaction and ethanol oxidation reaction in acid media, compared with PtPd/rGO, Pt/rGO, Pd/rGO, Pt black, and Pt/C catalysts.
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