The important role of tetrahedral Ti4+ sites in the phase transformation and photocatalytic activity of TiO2 nanocomposites

Gonghu Li; Nada M. Dimitrijevic; Le Chen; Jamie M. Nichols; Tijana Rajh; Kimberly A. Gray

doi:10.1021/ja711118u

The important role of tetrahedral Ti⁴⁺ sites in the phase transformation and photocatalytic activity of TiO₂ nanocomposites

Gonghu Li, Nada M. Dimitrijevic, Le Chen, Jamie M. Nichols, Tijana Rajh, Kimberly A. Gray

Research output: Contribution to journal › Article › peer-review

174 Scopus citations

Abstract

Highly photoactive, tetrahedral Ti⁴⁺ sites can be created, other than in zeolite cavities and on silica substrate, in mixed-phase TiO₂ nanocomposites. The tetrahedral Ti⁴⁺ species was shown to be an intermediate formed during the thermally driven phase transformation from anatase to rutile.

Original language	English (US)
Pages (from-to)	5402-5403
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	130
Issue number	16
DOIs	https://doi.org/10.1021/ja711118u
State	Published - Apr 23 2008
Externally published	Yes

ASJC Scopus subject areas

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja711118u

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abstract = "Highly photoactive, tetrahedral Ti4+ sites can be created, other than in zeolite cavities and on silica substrate, in mixed-phase TiO2 nanocomposites. The tetrahedral Ti4+ species was shown to be an intermediate formed during the thermally driven phase transformation from anatase to rutile.",

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AU - Chen, Le

AU - Nichols, Jamie M.

AU - Rajh, Tijana

AU - Gray, Kimberly A.

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AB - Highly photoactive, tetrahedral Ti4+ sites can be created, other than in zeolite cavities and on silica substrate, in mixed-phase TiO2 nanocomposites. The tetrahedral Ti4+ species was shown to be an intermediate formed during the thermally driven phase transformation from anatase to rutile.

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The important role of tetrahedral Ti⁴⁺ sites in the phase transformation and photocatalytic activity of TiO₂ nanocomposites

Abstract

ASJC Scopus subject areas

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