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Issue 38, 2013
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Decreasing operating potential for water electrolysis to hydrogen via local confinement of iron-based soft coordination suprapolymers

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Abstract

Currently there is intense interest in decreasing the operating potential for hydrogen evolution in water electrolysis to considerably decrease the energy cost. In this work we report a significant decrease of the operating potential for hydrogen evolution from neutral water mediated by an iron based soft coordination polymer (FeIII-SCSP). The creation of a local acidic environment with a thickness in the range of ∼40 nm on the surface of a glassy carbon electrode allows enrichment of H+ on the GCE, so that the operating potentials were effectively decreased. This strategy thus generates a new paradigm for lowering the operating potential of hydrogen generation from neutral water without the use of additional acids and organic cosolvents.

Graphical abstract: Decreasing operating potential for water electrolysis to hydrogen via local confinement of iron-based soft coordination suprapolymers

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Publication details

The article was received on 26 Jul 2013, accepted on 26 Jul 2013 and first published on 31 Jul 2013


Article type: Paper
DOI: 10.1039/C3CP53152J
Citation: Phys. Chem. Chem. Phys., 2013,15, 15912-15916

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    Decreasing operating potential for water electrolysis to hydrogen via local confinement of iron-based soft coordination suprapolymers

    Y. Liang, L. Xu, Y. Zhou, X. Zhang, J. Huang and Y. Yan, Phys. Chem. Chem. Phys., 2013, 15, 15912
    DOI: 10.1039/C3CP53152J

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