Photocatalytic study of polymorphic titania synthesized by ambient condition sol process |
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Authors: | Christopher A Nolph Daniel E Sievers Sujaree Kaewgun Courtney J Kucera Daniel H McKinney John P Rientjes Jamie L White Radhika Bhave Burtrand I Lee |
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Affiliation: | (1) School of Materials Science and Engineering, Clemson University, Clemson, SC 29634, USA |
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Abstract: | Nanocrystalline titania of different phases were produced by ambient condition sol process with phase control originating
from alterations in experimental variables. The produced titania photocatalysts were characterized by use of x-ray diffraction,
BET surface area, transmission electron microscopy and related to methyl orange degradation. The results showed that the photocatalytic
activity of brookite and anatase phase titania samples to be greater than that of Degussa P-25 and rutile phase titania sample.
In addition, brookite, due to surface area considerations, appears to be the most photocatalytically active phase of titania. |
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Keywords: | titania phase Comparison photocatalysis methyl Orange |
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