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Issue 21, 2017
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Facile solvothermal synthesis of Pt76Co24 nanomyriapods for efficient electrocatalysis

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Abstract

Despite increasing research studies in the past few decades, it is still a challenge to find highly efficient catalysts for oxygen reduction reaction (ORR) and hydrogen evolution reaction (HER). Herein, a one-pot solvothermal method was developed for constructing Pt76Co24 nanomyriapods (NMs) with abundant active sites, where L-glutamic acid and cetyltrimethylammonium chloride (CTAC) were used as the green reductant and structure directing agent, respectively. The architecture had a larger electrochemically active surface area (ECSA) of 24.49 m2 g−1 than Pt49Co51 nanoparticles (NPs, 15.17 m2 g−1), Pt80Co20 NPs (16.71 m2 g−1) and commercial Pt black (20.35 m2 g−1), and exhibited superior catalytic performances for ORR and HER. The mass activity of Pt76Co24 NMs (105.26 mA mgPt−1) for ORR was twice as high as Pt black (47.35 mA mgPt−1). And the Pt76Co24 NM catalyst exhibited better durability in acid media relative to Pt black and/or Pt/C (20 wt%). This work would have practical applications in catalysis, and energy storage and conversion.

Graphical abstract: Facile solvothermal synthesis of Pt76Co24 nanomyriapods for efficient electrocatalysis

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Publication details

The article was received on 04 Mar 2017, accepted on 02 May 2017 and first published on 03 May 2017


Article type: Paper
DOI: 10.1039/C7TA01976A
Citation: J. Mater. Chem. A, 2017,5, 10554-10560
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    Facile solvothermal synthesis of Pt76Co24 nanomyriapods for efficient electrocatalysis

    L. Jiang, X. Huang, A. Wang, X. Li, J. Yuan and J. Feng, J. Mater. Chem. A, 2017, 5, 10554
    DOI: 10.1039/C7TA01976A

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