ESR study of photo-oxidation of phenol at low temperature on polycrystalline titanium dioxide

6533b82afe1ef96bd128cab6

RESEARCH PRODUCT

ESR study of photo-oxidation of phenol at low temperature on polycrystalline titanium dioxide

María José López-muñoz Vincenzo Augugliaro José C. Conesa J. Soria

subject

Reaction mechanism Anatase Chemistry Radical Inorganic chemistry chemistry.chemical_element Photochemistry Oxygen law.invention chemistry.chemical_compound Adsorption law Titanium dioxide Phenol Electron paramagnetic resonance

description

The formation of oxygen radicals on hydrated TiO 2 (anatase) samples irradiated at 77 K in the near-UV region and their interaction with adsorbed phenol molecules have been studied by electron spin resonance. The results indicate that the irradiation determines the generation of O 2 H · and O − radicals which react with adsorbed phenol molecules. Phenol-derived radicals are generated after warming the sample at room temperature. A reaction mechanism is proposed on the basis of the observed species.

year	journal	country	edition	language
1994-01-01

https://doi.org/10.1016/s0167-2991(08)63465-5

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