Mechanistic studies of chloro- and nitrophenolic degradation on semiconductor surfaces

K. A. Gray, P. Kamat, Ulick Stafford, M. Dieckmann

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations


The photocatalytic degradation of a wide range of organic compounds using semiconductors such as TiO2 and ZnO has been reported in the literature. 1 For a variety of substituted phenolic compounds, complete mineralization has been observed to occur via an array of identified intermediates and to require the presence of oxygen. 2,3 In general, it is commonly believed that photodegradation in semiconductor systems is mediated by the generation of the hydroxyl-free radical. 4 Although a number of reaction pathways have been proposed, the actual mechanism of degradation of phenolic compounds by semiconductors is not known and remains a controversial topic.

Original languageEnglish (US)
Title of host publicationAquatic and Surface Photochemistry
PublisherCRC Press
Number of pages10
ISBN (Electronic)9781351078290
ISBN (Print)9781315890746
StatePublished - Jan 1 2018

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering


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