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Title: Non-noble metal Cu-loaded TiO2 for enhanced photocatalytic H2 production
Authors: Foo, W.J.
Zhang, C. 
Ho, G.W. 
Issue Date: 21-Jan-2013
Citation: Foo, W.J., Zhang, C., Ho, G.W. (2013-01-21). Non-noble metal Cu-loaded TiO2 for enhanced photocatalytic H2 production. Nanoscale 5 (2) : 759-764. ScholarBank@NUS Repository.
Abstract: Here we have demonstrated the preparation of high-quality, monodispersed and tunable phases of Cu nanoparticles. Structural and chemical composition studies depict the evolution of Cu-Cu2O-CuO nanoparticles at various process stages. The loading of Cu and Cu oxide nanoparticles on TiO2 catalyst has enhanced the photocatalytic H2 production. Comparatively, H2 treatment produces well-dispersed Cu nanoparticles with thin oxide shells that show the highest H2 production amongst the samples. The relatively higher photocatalytic performance is deemed to result from reduced structural defects, higher surface area and dispersivity as well as favorable charge transfer, which inhibits recombination. The Cu nanoparticles are shown to be a promising alternative to noble metal-loaded TiO2 catalyst systems due to their low cost and high performance in photocatalytic applications. This journal is © The Royal Society of Chemistry.
Source Title: Nanoscale
ISSN: 20403364
DOI: 10.1039/c2nr33004k
Appears in Collections:Staff Publications

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