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Plasmonic photocatalysis properties of Au nanoparticles precipitated anatase/rutile mixed TiO2 nanotubes.

Content Provider	Semantic Scholar
Author	Wen, Yan Yang, Xiuxia Zeng, Wei Qing Wang, Yuhua
Copyright Year	2013
Abstract	Anatase/rutile mixed titania nanotubes (TiO2 NTs) precipitated with gold nanoparticles (Au NPs), i.e. Au/TiO2, have been synthesized and investigated on visible photocatalysis properties. A deposition-precipitation (DP) method was adopted to reduce the gold precursor to Au NPs within the preformed TiO2 NTs by the emulsion electrospinning technique. The optimal visible photocatalytic activity was found in the sample Au3(DP350)/TiO2 with a loading of 3 wt% Au NPs and calcining at 350 °C. Through transmission electron microscopy, Au NPs of 4.16 nm diameter were observed at the interface between the anatase and rutile phases in the optimal Au3(DP350)/TiO2 sample, and these joint active sites at the interface were beneficial for charge separation. The obtained optimal photocatalytic efficiency of Au3(DP350)/TiO2 was ascribed to the synergistic effect of the enhanced visible absorption and the anatase/rutile mixed-phase composition, and the possible mechanism for this was discussed in detail.
Starting Page	234102
Ending Page	234102
Page Count	1
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.rsc.org/suppdata/nr/c3/c3nr03024e/c3nr03024e.pdf
PubMed reference number	23963545v1
Alternate Webpage(s)	https://doi.org/10.1039/c3nr03024e
DOI	10.1039/c3nr03024e
Journal	Nanoscale
Volume Number	5
Issue Number	20
Language	English
Access Restriction	Open
Subject Keyword	Calcium pyrophosphate deposition disease Diameter (qualifier value) Emulsions Entity Name Part Qualifier - adopted Gold Interface Device Component Nanotubes Transmission Electron Microscopy
Content Type	Text
Resource Type	Article

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