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Enhanced Photocatalytic CO-Reduction Activity of Anatase TiO by Coexposed {001} and {101} Facets

Control of TiO crystal facets has attracted enormous interest due to the fascinating shape-dependent photocatalytic activity of this material. In this work, the effect of the ratio of {001} and {101} facets on the photocatalytic CO-reduction performance of anatase TiO is reported. A new “surface het...

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Publicado en:Journal of the American Chemical Society Vol. 136; no. 25; pp. 8839 - 8843
Autores principales: Jiaguo Yu, Jingxiang Low, Wei Xiao, Peng Zhou, Jaroniec, Mietek
Formato: Artículo
Publicado: American Chemical Society 6/25/2014
Materias:
Photoreduction
Chemical reduction
Industrial applications of carbon dioxide
Titanium dioxide
Heterojunctions
Density functional theory
Solar energy
Clean energy
Acceso en línea:Ver este registro en EBSCOhost
Sumario:Control of TiO crystal facets has attracted enormous interest due to the fascinating shape-dependent photocatalytic activity of this material. In this work, the effect of the ratio of {001} and {101} facets on the photocatalytic CO-reduction performance of anatase TiO is reported. A new “surface heterojunction” concept is proposed on the basis of the density functional theory (DFT) calculations to explain the difference in the photocatalytic activity of TiO with coexposed {001} and {101} facets.