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Sonochemical Formation of Ga-Pt Intermetallic Nanoparticles Embedded in Graphene and its Potential Use as an Electrocatalyst

Title
Sonochemical Formation of Ga-Pt Intermetallic Nanoparticles Embedded in Graphene and its Potential Use as an Electrocatalyst
Authors
Kumar, VB[Kumar, Vijay Bhooshan]Sanetuntikul, J[Sanetuntikul, Jakkid]Ganesan, P[Ganesan, Pandian]Porat, Z[Porat, Ze'ev]Shanmugam, S[Shanmugam, Sangaraju]Gedanken, A[Gedanken, Aharon]
DGIST Authors
Sanetuntikul, J[Sanetuntikul, Jakkid]; Ganesan, P[Ganesan, Pandian]; Shanmugam, S[Shanmugam, Sangaraju]
Issue Date
2016-02-01
Citation
Electrochimica Acta, 190, 659-667
Type
Article
Article Type
Article
Keywords
ElectrocatalystsElectrode MaterialElectrodesElectrolytic ReductionGalliumGallium-Platinum IntermetallicGrapheneGraphene LayersIntermetallic NanoparticlesMethanolMethanol Oxidation ReactionMethanol Oxidation ReactionsMolten GalliumNanoparticlesOxygen Reduction ReactionPlatinumPt/C CatalystsSolutionsUltrasonic CavitationX Ray Analysis
ISSN
0013-4686
Abstract
The formation of Ga-Pt particles and their simultaneous embedment in graphene layers was performed by sonication of molten gallium in an aqueous solution of H2PtCl6 in the presence of graphene. X-ray analysis of the dry particles revealed that their composition was GaPt3 and GaPt2. The synthesized Ga-Pt/G was examined as an electrode material for methanol oxidation reaction (MOR) and oxygen reduction reaction (ORR). This novel electrode showed better activity for MOR and ORR than a commercial Pt/C catalyst. © 2016 Elsevier Ltd. All rights reserved.
URI
http://hdl.handle.net/20.500.11750/2296
DOI
10.1016/j.electacta.2015.12.193
Publisher
Elsevier Ltd
Related Researcher
Files:
There are no files associated with this item.
Collection:
Energy Science and EngineeringAdvanced Energy Materials Laboratory1. Journal Articles


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