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Química Nova

Print version ISSN 0100-4042On-line version ISSN 1678-7064


MOURAO, Henrique A. J. L.; MENDONCA, Vagner R. de; MALAGUTTI, Andréa R.  and  RIBEIRO, Caue. Nanostructures in photocatalysis: a review about synthesis strategies of photocatalysts in nanometric size. Quím. Nova [online]. 2009, vol.32, n.8, pp.2181-2190. ISSN 0100-4042.

Advanced oxidative processes (AOPs) are based on chemical processes that can generate free radicals, such as hydroxyl radicals (.OH) which are strong, non-selective oxidant species that react with the vast majority of organic compounds. Nanostructured semiconductors, especially titanium dioxide (TiO2) in the anatase phase, are well-established photocatalysts for this process, which have proved to be useful in the degradation of dyes, pesticides and other contaminants. Research in different strategies for the synthesis of nanostructured semiconductors, with particular characteristic is currently a topic of interest in many studies. Thus, this paper presents a review about various synthesis strategies of nanostructured photocatalysts.

Keywords : synthesis; nanostructured photocatalysts; photodegradation.

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