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    Monolithic Laser Scribed Graphene Scaffold with Atomic Layer Deposited Platinum for Hydrogen Evolution Reaction

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    Type
    Article
    Authors
    Nayak, Pranati
    Jiang, Qiu cc
    Kurra, Narendra cc
    Buttner, Ulrich
    Wang, Xianbin
    Alshareef, Husam N. cc
    KAUST Department
    Functional Nanomaterials and Devices Research Group
    Material Science and Engineering Program
    MicroFluidics
    Physical Science and Engineering (PSE) Division
    Safety & Facility
    Date
    2017-09-01
    Permanent link to this record
    http://hdl.handle.net/10754/625497
    
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    Abstract
    The use of three-dimensional (3D) electrode architectures as scaffolds for conformal deposition of catalysts is an emerging research area with significant potential for electrocatalytic applications. In this study, we report the fabrication of monolithic, self-standing, 3D graphitic carbon scaffold with conformally deposited Pt by atomic layer deposition (ALD) as a hydrogen evolution reaction catalyst. Laser scribing is employed to transform polyimide into 3D porous graphitic carbon, which possesses good electronic conductivity and numerous edge plane sites. This laser scribed graphene (LSG) architecture makes it possible to fabricate monolithic electrocatalyst support without any binders or conductive additives. The synergistic effect between ALD of Pt on 3D network of LSG provides an avenue for minimal yet effective Pt usage, leading to an enhanced HER activity. This strategy establish a general approach for inexpensive and large scale HER device fabrication with minimum catalyst cost.
    Citation
    Nayak P, Jiang Q, Kurra N, Wang X, Buttner U, et al. (2017) Monolithic laser scribed graphene scaffolds with atomic layer deposited platinum for the hydrogen evolution reaction. J Mater Chem A. Available: http://dx.doi.org/10.1039/c7ta06236b.
    Sponsors
    Research reported in this publication is supported by funding from King Abdullah University of Science and Technology (KAUST), Saudi Arabia. Dr. P. Nayak would like to thank DST (Government of India) for the Inspire Faculty Award (Grant No.04/2015/002660).
    Publisher
    Royal Society of Chemistry (RSC)
    Journal
    J. Mater. Chem. A
    DOI
    10.1039/c7ta06236b
    Additional Links
    http://pubs.rsc.org/en/Content/ArticleLanding/2017/TA/C7TA06236B#!divAbstract
    ae974a485f413a2113503eed53cd6c53
    10.1039/c7ta06236b
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program

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