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Issue 35, 2018
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TePbPt alloy nanotube as electrocatalyst with enhanced performance towards methanol oxidation reaction

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Abstract

In this study, a ternary TePbPt alloy nanotube (NT) catalyst was designed based on the following rational considerations. Pb and Te, which could facilitate the removal of adsorbed CO-like intermediates via bifunctional mechanisms and adjust the electronic structure of Pt, respectively, were introduced into the alloy NT catalyst. The as-designed alloy NT catalyst with a uniform, ultrathin, and ultralong structure was precisely prepared through the hard template method with pre-synthesized TePb nanowires used as the sacrificial template. The NT catalyst exhibits excellent performances towards methanol oxidation reaction (MOR) both in activity and durability in an acidic medium. Further characterizations reveal that the enhanced performances are attributed to the adjusted electronic and chemical structures of Pt via the interactions among Pt, Te, and Pb according to complex mechanisms, which are illustrated in detail.

Graphical abstract: TePbPt alloy nanotube as electrocatalyst with enhanced performance towards methanol oxidation reaction

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Publication details

The article was received on 04 May 2018, accepted on 28 Jul 2018 and first published on 03 Aug 2018


Article type: Communication
DOI: 10.1039/C8TA04132F
Citation: J. Mater. Chem. A, 2018,6, 16798-16803
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    TePbPt alloy nanotube as electrocatalyst with enhanced performance towards methanol oxidation reaction

    L. Yang, G. Li, J. Ge, C. Liu, Z. Jin, G. Wang and W. Xing, J. Mater. Chem. A, 2018, 6, 16798
    DOI: 10.1039/C8TA04132F

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