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Issue 5, 2013
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Visible-light-responsive copper(II) borate photocatalysts with intrinsic midgap states for water splitting

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Abstract

Two copper borates, CuB2O4 and Cu3B2O6, produce either H2 or O2 under visible light in the presence of sacrificial agents. Both copper borates exhibit intrinsic midgap states between the valence bands and conduction bands. However, structural differences in the two compounds lead to midgap states with remarkably different photocatalytic behaviors. In CuB2O4, the midgap states facilitate visible light absorption and enhance photocatalytic activity, while in Cu3B2O6 they act as trap states that reduce photocatalytic activity.

Graphical abstract: Visible-light-responsive copper(ii) borate photocatalysts with intrinsic midgap states for water splitting

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Publication details

The article was received on 01 Oct 2012, accepted on 07 Dec 2012 and first published on 18 Dec 2012


Article type: Communication
DOI: 10.1039/C2TA00522K
Citation: J. Mater. Chem. A, 2013,1, 1553-1556
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    Visible-light-responsive copper(II) borate photocatalysts with intrinsic midgap states for water splitting

    J. Liu, S. Wen, X. Zou, F. Zuo, G. J. O. Beran and P. Feng, J. Mater. Chem. A, 2013, 1, 1553
    DOI: 10.1039/C2TA00522K

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