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Issue 23, 2018
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Plasmonic metal/MoxW1−xO3−y for visible-light-enhanced H2 production from ammonia borane

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Abstract

A plasmonic Pd/MoxW1−xO3−y hybrid, having Pd NPs anchored on a plasmonic MoxW1−xO3−y support, is obtained by a solution-processed impregnation-reduction method. The synthesized Pd/MoxW1−xO3−y hybrid exhibits strong visible light absorption with a localized surface plasmon resonance (LSPR) peak at around 700 nm. It is demonstrated that such a Pd/MoxW1−xO3−y hybrid displays dramatic plasmon-enhanced photocatalytic performance in the dehydrogenation of ammonia borane (NH3BH3) solution under visible light irradiation, which mainly results from the synergetic effect between Pd NPs and emerging W5+ ions. More importantly, the performance of the Pd/MoxW1−xO3−y hybrid is almost 5.2 and 5 times higher than those of MoxW1−xO3−y-NaBH4 (MoxW1−xO3−y obtained by NaBH4 reduction) and our previously reported plasmonic Pd/MoO3−x nanosheets. This study may open up the possibility of rationally designing plasmonic metal/semiconductor hybrids for highly efficient heterogeneous catalysis.

Graphical abstract: Plasmonic metal/MoxW1−xO3−y for visible-light-enhanced H2 production from ammonia borane

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Publication details

The article was received on 05 Apr 2018, accepted on 15 May 2018 and first published on 16 May 2018


Article type: Paper
DOI: 10.1039/C8TA03125H
Citation: J. Mater. Chem. A, 2018,6, 10932-10938
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    Plasmonic metal/MoxW1−xO3−y for visible-light-enhanced H2 production from ammonia borane

    H. Yin, Y. Kuwahara, K. Mori and H. Yamashita, J. Mater. Chem. A, 2018, 6, 10932
    DOI: 10.1039/C8TA03125H

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