期刊
NANOSCALE
卷 3, 期 8, 页码 3277-3284出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1nr10371g
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资金
- National Basic Research Program of China (973 Program) [2007CB209700]
- National Natural Science Foundation of China [50701023]
- Graduate Student Innovation Foundation of Jiangsu Province [CX09B_075Z, CX09B_076Z]
- NUAA [NS2010165]
A novel electrode material based on graphene oxide (GO)-polypyrrole (PPy) composites was synthesized by in situ chemical oxidation polymerization. Palladium nanoparticles (NPs) with a diameter of 4.0 nm were loaded on the reduced graphene oxide(RGO)-PPy composites by a microwave-assisted polyol process. Microstructure analysis showed that a layer of coated PPy film with monodisperse Pd NPs is present on the RGO surface. The Pd/RGO-PPy catalysts exhibit excellent catalytic activity and stability for formic acid electro-oxidation when the weight feed ratio of GO to pyrrole monomer is 2 : 1. The superior performance of Pd/RGO-PPy catalysts may arise from utilization of heterogeneous nucleation sites for NPs and the greatly increased electronic conductivity of the supports.
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