NAME

高占明

Paper Publications

Enhanced catalytic activity and stability of Pt nanoparticles by surface coating of nanosized graphene oxide for hydrogen production from hydrolysis of ammonia-borane
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  • Indexed by:

    期刊论文

  • First Author:

    Ye, Wanyue

  • Correspondence Author:

    Lu, RW (reprint author), Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116024, Peoples R China.

  • Co-author:

    Ge, Yuzhen,Gao, Zhanming,Lu, Rongwen,Zhang, Shufen

  • Date of Publication:

    2017-12-01

  • Journal:

    SUSTAINABLE ENERGY & FUELS

  • Included Journals:

    SCIE

  • Document Type:

    J

  • Volume:

    1

  • Issue:

    10

  • Page Number:

    2128-2133

  • ISSN No.:

    2398-4902

  • Abstract:

    We report the electronic modification of silica supported Pt nanoparticles (SiO2@Pt) by coating a 1 nm thin layer of nanosized graphene oxide (NGO). The resulting SiO2@Pt@NGO showed much enhanced catalytic activity and stability for hydrogen production from hydrolysis of ammoniaborane compared with SiO2@Pt and graphene supported Pt nanoparticles, with an impressive initial TOF value reaching 324.6 mol(H2) mol(Pt)(-1) min(-1). Detailed characterization by means of HRTEM and EDS elemental mapping proved the structural correctness of SiO2@Pt@NGO. The XPS results showed that the binding energy of Pt-0 4f(7/2) in SiO2@Pt@NGO was 71.12 eV slightly higher than 70.84 eV of Pt-0 4f(7/2) in SiO2@Pt, indicating more electron-deficient Pt atoms after the interaction with NGO, which may be responsible for the enhanced catalytic performance.

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