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Sonochemical Formation of Ga-Pt Intermetallic Nanoparticles Embedded in Graphene and its Potential Use as an Electrocatalyst
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- Title
- Sonochemical Formation of Ga-Pt Intermetallic Nanoparticles Embedded in Graphene and its Potential Use as an Electrocatalyst
- Issued Date
- 2016-02-01
- Citation
- Kumar, Vijay Bhooshan. (2016-02-01). Sonochemical Formation of Ga-Pt Intermetallic Nanoparticles Embedded in Graphene and its Potential Use as an Electrocatalyst. Electrochimica Acta, 190, 659–667. doi: 10.1016/j.electacta.2015.12.193
- Type
- Article
- Author Keywords
- Ultrasonic cavitation ; nanoparticles ; Gallium-platinum intermetallic ; graphene ; methanol oxidation reaction ; oxygen reduction reaction
- Keywords
- CARBON NANOTUBES ; CAVITATION ; Electrocatalysts ; Electrode Material ; Electrodes ; Electrolytic Reduction ; ELECTROOXIDATION ; Gallium ; Gallium-Platinum Intermetallic ; Graphene ; Graphene Layers ; Intermetallic Nanoparticles ; Methanol ; METHANOL FUEL-CELL ; Methanol Oxidation Reaction ; Methanol Oxidation Reactions ; MICROSPHERES ; Molten Gallium ; NANOCRYSTALS ; NANOPARTICLES ; OXIDATION ; Oxygen Reduction Reaction ; Platinum ; Pt/C Catalysts ; Solutions ; Ultrasonic Cavitation ; ULTRASONIC IRRADIATION ; X 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.
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- Publisher
- Elsevier Ltd
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Related Researcher
- Shanmugam, Sangaraju상가라쥬샨무감
-
Department of Energy Science and Engineering
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