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Int. J. Mol. Sci. 2010, 11(6), 2336-2361;

A Review of Photocatalysts Prepared by Sol-Gel Method for VOCs Removal

Department of Environmental Engineering and Sustainable Environment Research Center, National Cheng Kung University, 1 University Road, Tainan 701, Taiwan
Author to whom correspondence should be addressed.
Received: 12 April 2010 / Revised: 11 May 2010 / Accepted: 21 May 2010 / Published: 28 May 2010
(This article belongs to the Special Issue Sol-Gel Technique)
Full-Text   |   PDF [221 KB, uploaded 19 June 2014]


The sol-gel process is a wet-chemical technique (chemical solution deposition), which has been widely used in the fields of materials science, ceramic engineering, and especially in the preparation of photocatalysts. Volatile organic compounds (VOCs) are prevalent components of indoor air pollution. Among the approaches to remove VOCs from indoor air, photocatalytic oxidation (PCO) is regarded as a promising method. This paper is a review of the status of research on the sol-gel method for photocatalyst preparation and for the PCO purification of VOCs. The review and discussion will focus on the preparation and coating of various photocatalysts, operational parameters, and will provide an overview of general PCO models described in the literature. View Full-Text
Keywords: sol-gel; photocatalytic oxidation; VOCs sol-gel; photocatalytic oxidation; VOCs
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Tseng, T.K.; Lin, Y.S.; Chen, Y.J.; Chu, H. A Review of Photocatalysts Prepared by Sol-Gel Method for VOCs Removal. Int. J. Mol. Sci. 2010, 11, 2336-2361.

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