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Environmental photochemistry: Is iron oxide (hematite) an active photocatalyst? A comparative study: α-Fe_2O_3, ZnO, TiO_2

Kormann, Claudius and Bahnemann, Detlef W. and Hoffmann, Michael R. (1989) Environmental photochemistry: Is iron oxide (hematite) an active photocatalyst? A comparative study: α-Fe_2O_3, ZnO, TiO_2. Journal of Photochemistry and Photobiology A: Chemistry, 48 (1). pp. 161-169. ISSN 1010-6030. http://resolver.caltech.edu/CaltechAUTHORS:20150814-081852828

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Abstract

The photocatalytic activity of α-Fe2_O_3 colloids is compared to the activities of colloids and suspensions of ZnO and TiO_2. The formation of H_2O_2 is investigated and the oxidation of organic molecules is studied with high sensitivity. While ZnO and TiO_2 are found to be quite active photocatalysts in the formation of hydrogen peroxide and in the degradation of chlorinated hydrocarbon molecules, only negligible photocatalytic activity is found for α-Fe_2O_3. Upper limits of quantum yields for several photoreactions of α-Fe_2O_3 are given.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/1010-6030(89)87099-6DOIArticle
http://www.sciencedirect.com/science/article/pii/1010603089870996PublisherArticle
ORCID:
AuthorORCID
Hoffmann, Michael R.0000-0002-0432-6564
Additional Information:© 1989 Elsevier B.V. Received December 6, 1988. We wish to thank Professor Rudi van Eldik for communicating his recent work to us prior to publication [28].
Record Number:CaltechAUTHORS:20150814-081852828
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150814-081852828
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:59523
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:14 Aug 2015 17:21
Last Modified:14 Aug 2015 17:21

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