Journal
MICRO & NANO LETTERS
Volume 14, Issue 5, Pages 466-469Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/mnl.2018.5659
Keywords
scanning electron microscopy; catalysts; X-ray diffraction; nanofabrication; nanocomposites; catalysis; electrochemical electrodes; copper alloys; cobalt alloys; graphene compounds; electrochemistry; Fourier transform infrared spectra; electrochemical analysis; composite materials; bimetallic nanospheres; electrocatalytic oxygen evolution reaction; graphene oxide nanostructures; anode catalysts; X-ray diffraction; Fourier transform infrared spectra; scanning electron microscopy; electrochemical tests; catalytic stability; CuCo-CO
Funding
- National Natural Science Foundation of China [21607063]
- China Postdoctoral Science Foundation [2018M630530]
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In this work, novel Cu-Co bimetal/reduce graphene oxide nanostructures with excellent catalytic activity were prepared by embedding Cu-Co bimetallic nanospheres into the interlayer of graphene. The composite materials were characterised by X-ray diffraction (XRD), Fourier transform infrared (FTIR), and scanning electron microscopy (SEM) etc. The characterisation results indicated that the diameters of the bimetallic nanospheres were controlled within approximate to 60 nm, which embedded uniformly in graphene. A series of electrochemical tests were carried out and the composites were found to exhibit excellent oxygen evolution properties under alkaline conditions. The excellent catalytic activity and stability make the composite have great potential for wide application and provide a basis for its industrial application.
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