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Recent progress and development of TiO2 thin film photocatalysts for pollutant removal

Abd Aziz, Radhiyah and Iis, Sopyan (2009) Recent progress and development of TiO2 thin film photocatalysts for pollutant removal. Recent patents on materials science, 2 (2). pp. 88-111. ISSN 1874-4656

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This review paper is to give an overview of the recent progress on the development of TiO2 thin film photocatalysts for pollutant removal. Photocatalysis process involves the photoinduced oxidation and reduction reactions in the photocatalyst that has the ability in degrading most organic compounds into carbon dioxide, water and any harmless substances. Upon the exposure of ultraviolet light of wavelength λ < 390nm, the photocatalyst plays its role in degrading any kind of pollutants either in liquid or gaseous phase. One of the most outstanding photocatalysts that has received particular attention in application is titanium dioxide due to its high chemical stability and photocatalytic activity. The development of the photocatalyst in the form of a thin film is due to the impractical use of conventional powder photocatalyst in certain environmental applications. Recent patents of the thin film photocatalyst as well as some environmental applications have also been reviewed. Also included are techniques for modifying thin film characteristics, film deposition methods and variation in types of substrates used for improved photocatalytic properties of the TiO2 thin film.

Item Type: Article (Journal)
Additional Information: 4809/11635
Uncontrolled Keywords: Thin film, TiO2, photocatalysis, pollutant removal, patent, review
Subjects: T Technology > TS Manufactures
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User: PROF. DR. IIS SOPYAN
Date Deposited: 12 Mar 2012 15:49
Last Modified: 12 Mar 2012 15:50
URI: http://irep.iium.edu.my/id/eprint/11635

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