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Issue 8, 2016
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Catalytic activities for methanol oxidation on ultrathin CuPt3 wavy nanowires with/without smart polymer

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Abstract

Superior catalytic activity and stability for the methanol oxidation reaction of a direct methanol–air fuel cell is achieved with “clean” ultrathin CuPt3 wavy nanowires. The nanowires are synthesized for the first time by functionalizing CuPt3 nanoparticles with amine-terminated poly(N-isopropylacrylamide), a thermosensitive “smart” polymer having a phase transition at a liquid-electrolyte Tt (low critical solution temperature, 35 °C). Interestingly, retention of the functionalizing smart polymer on the surface of the nanowires reversibly switches the catalytic activity to lower rates above the Tt. The catalytic performance of the “clean” CuPt3 nanowires is shown to be significantly improved over that of commercial Pt black catalyst, owing to their unique structural advantages and bimetallic synergetic effect.

Graphical abstract: Catalytic activities for methanol oxidation on ultrathin CuPt3 wavy nanowires with/without smart polymer

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Publication details

The article was received on 05 Apr 2016, accepted on 04 May 2016 and first published on 17 May 2016


Article type: Edge Article
DOI: 10.1039/C6SC01501H
Chem. Sci., 2016,7, 5414-5420
  • Open access: Creative Commons BY license
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    Catalytic activities for methanol oxidation on ultrathin CuPt3 wavy nanowires with/without smart polymer

    G. Fu, X. Yan, Z. Cui, D. Sun, L. Xu, Y. Tang, J. B. Goodenough and J. Lee, Chem. Sci., 2016, 7, 5414
    DOI: 10.1039/C6SC01501H

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