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Mechanisms of Direct and TiO 2 ‐Photocatalysed UV Degradation of Phenylurea Herbicides
Author(s) -
Canle López Moisés,
Fernández M. Isabel,
Rodríguez Santiago,
Santaballa J. Arturo,
Steenken Steen,
Vulliet Emmanuelle
Publication year - 2005
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200500004
Subject(s) - photocatalysis , chemistry , reactivity (psychology) , photodegradation , photochemistry , radiolysis , radical , medicinal chemistry , quantum yield , reaction rate constant , redox , catalysis , inorganic chemistry , organic chemistry , kinetics , medicine , physics , alternative medicine , pathology , quantum mechanics , fluorescence
Phenylurea herbicides undergo low‐yield ( ϕ PI <15 %) monophotonic photoionisation upon 193‐nm laser flash excitation. The so‐formed radical cations (phenylurea . + ) are highly acidic (−1.5

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