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Effect of Changes in TiO2 Dispersion on Its Measured Photocatalytic Activity

Lookup NU author(s): Dr Terry Egerton, Ian Tooley


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The effects of changes in TiO2, dispersed in 2-propanol, on its measured photocatalytic activity were analyzed. The TiO2 particle dispersion was deliberately modified by milling the suspension to break down the clusters of individual crystals. It was found that the milling decreased the size of the TiO2 particles which led to corresponding changes in the optical properties of their dispersions. The results suggest that the photooxidation measurements are sensitive to the state of dispersion of the TiO2.

Publication metadata

Author(s): Egerton TA, Tooley IR

Publication type: Article

Publication status: Published

Journal: Journal of Physical Chemistry B

Year: 2004

Volume: 108

Issue: 16

Pages: 5066-5072

ISSN (print): 1520-6106

ISSN (electronic): 1520-5207

Publisher: American Chemical Society


DOI: 10.1021/jp0378992


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