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    Pt-based nanoparticles on non-covalent functionalized carbon nanotubes as effective electrocatalysts for proton exchange membrane fuel cells

    213476_213476c.pdf (1.817Mb)
    Access Status
    Open access
    Authors
    Yan, Wei-Yong
    Lu, S.
    Xiang, Y.
    Jiang, San Ping
    Date
    2014
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Yuan, W. and Lu, S. and Xiang, Y. and Jiang, S. 2014. Pt-based nanoparticles on non-covalent functionalized carbon nanotubes as effective electrocatalysts for proton exchange membrane fuel cells. RSC Advances. 4 (86): pp. 46265-46284.
    Source Title
    RSC Advances
    DOI
    10.1039/c4ra05120c
    ISSN
    2046-2069
    School
    Department of Electrical and Computer Engineering
    URI
    http://hdl.handle.net/20.500.11937/32867
    Collection
    • Curtin Research Publications
    Abstract

    Due to their unique electronic and mechanical properties, carbon nanotubes (CNTs) have been attracting much attention as favourite catalyst supports for energy conversion and storage applications. However, CNTs require molecular engineering such as solubilization and surface modification or functionalization to tailor their surface properties for the catalyst support applications. Among various functionalization methods, non-covalent functionalization is preferred, because it enables the attachment of molecules, solvents or polyelectrolytes through π – π, CH– π or hydrophobic interactions, forming effective active sites for the uniform assembly and dispersion of Pt-based precursor and/or nanoparticles (NPs) an at the same time preserving the intrinsic electronic and structural integrity of CNTs. Non-covalent functionalization is also effective to incorporate a multi-component electrocatalyst system with significantly enhanced synergistic effects. Here, the progress in the synthesis and development of highly dispersed Pt, and Pt-based NPs such as PtRu, PtSn and PtPd on non-covalent functionalized CNTs will be presented. The significant effect of interactions between CNTs, Pt-based NPs and functionalization agents on the electrocatalytic activity of Pt-based NPs on non-covalent functionalized CNTs is discussed.

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