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Journal of Nanoparticle Research

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01-11-2018 | Research Paper

Ionic liquid-assisted synthesis of reduced graphene oxide–supported hollow spherical PtCu alloy and its enhanced electrocatalytic activity toward methanol oxidation

Authors: Wanyi Duan, Aoqi Li, Yujuan Chen, Kelei Zhuo, Jianming Liu, Jianji Wang

Published in: Journal of Nanoparticle Research | Issue 11/2018

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Abstract

In this work, a facile one-pot solvothermal method is developed for fabricating hollow spherical PtCu alloy nanoparticles (with the size of 124 ± 16 nm) supported on reduced graphene oxide (PtCu/rGO), with the assistance of 1-decyl-3-methylimidazolium bromide ([C₁₀MIm]Br) as the structure-directing agent and capping agent. The influence of various experimental parameters on the morphology and structure of prepared PtCu/rGO hybrids is researched. Compared with the commercial Pt/C (10 wt%) and Pt/rGO, the as-prepared PtCu/rGO hybrid exhibits a larger electrochemical active surface area, higher electrocatalytic activity, and better tolerance for methanol oxidation in acidic media. We believe that the hollow spherical PtCu alloy supported on rGO will have great potential applications for direct methanol fuel cells.

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Title: Ionic liquid-assisted synthesis of reduced graphene oxide–supported hollow spherical PtCu alloy and its enhanced electrocatalytic activity toward methanol oxidation
Authors: Wanyi Duan
Aoqi Li
Yujuan Chen
Kelei Zhuo
Jianming Liu
Jianji Wang
Publication date: 01-11-2018
Publisher: Springer Netherlands
Published in: Journal of Nanoparticle Research / Issue 11/2018
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI: https://doi.org/10.1007/s11051-018-4400-6

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