NDLI: Uniform Pd–Pt alloy nanoparticles supported on graphite nanoplatelets with high electrocatalytic activity towards methanol oxidation

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Uniform Pd–Pt alloy nanoparticles supported on graphite nanoplatelets with high electrocatalytic activity towards methanol oxidation

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Inside back cover

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Journal of Materials Chemistry A Vol - 3 Issue - 8

Journal of Materials Chemistry A Vol - 3 Issue - 7

Journal of Materials Chemistry A Vol - 3 Issue - 6

Journal of Materials Chemistry A Vol - 3 Issue - 5

Journal of Materials Chemistry A Vol -2

Journal of Materials Chemistry A Vol -1

Uniform Pd–Pt alloy nanoparticles supported on graphite nanoplatelets with high electrocatalytic activity towards methanol oxidation

Content Provider	Royal Society of Chemistry (RSC)
Author	Zhang, Genlei Huang, Chengde Qin, Ruijie Shao, Zechao Zhang, Wen Wang, Yuxin An, De
Copyright Year	2015
Abstract	In this paper, we present a simple and facile strategy to prepare highly uniform Pd–Pt alloy nanoparticles (NPs) with different Pt/Pd molar ratios on 1-pyrenecarboxylic acid (PCA) decorated graphite nanoplatelets (GNPs). The binary composition of these Pd–Pt/GNPs catalysts is controlled by simply adjusting the molar ratio of the Pd and Pt precursors. The obtained catalysts were characterized by ultraviolet-visible light (UV-vis) spectroscopy, Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS) and inductively coupled plasma optical emission spectrometry (ICP-OES). The HRTEM measurements show that all of the metallic NPs exhibit well-defined crystalline structures. Both cyclic voltammetry (CV) and chronoamperometry (CA) demonstrate that the Pd1Pt3/GNPs catalyst has the highest catalytic activity towards methanol oxidation reaction (MOR) among the Pd–Pt/GNPs with different compositions studied. Moreover, the Pd1Pt3/GNPs catalyst markedly outperforms Pt/GNPs and the commercial Pt/C-JM catalyst in terms of both MOR activity and stability. The present method represents a simple and general approach to synthesizing bimetallic Pt-M electrocatalysts on an alternative carbon support, which is expected to find applications in fuel cells.
Starting Page	5204
Ending Page	5211
Page Count	8
File Format	HTM / HTML PDF
ISSN	20507488
Volume Number	3
Issue Number	9
Journal	Journal of Materials Chemistry A
DOI	10.1039/c4ta06076h
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	PCA Fourier Concentration Graphite Spectroscopy Fourier transform Infrared spectroscopy X-ray crystallography Transmission electron microscopy High-resolution transmission electron microscopy X-ray photoelectron spectroscopy Photoemission spectroscopy Inductively coupled plasma Inductively coupled plasma atomic emission spectroscopy Cyclic voltammetry Chronoamperometry Methanol Museum of the Rockies Carbon
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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