The “dark“ adsorption equilibrium constants of different series of benzylic derivatives on TiO2 suspended in CH3CN were determined through a Langmuir-type adsorption isotherm. In particular, the similarity of the K values of differently ring substituted α-OH derivatives within the same series confirms the previously suggested preferential adsorption of the hydroxyl group (at the oxygen atom) with respect to the aromatic moiety.
Dark adsorption equilibrium constants of benzylic derivatives on TiO2 and their implications in the sensitized heterogeneous photooxidation
BETTONI, Marta;DEL GIACCO, Tiziana;ROL, Cesare;SEBASTIANI, Giovanni Vittorio
2003
Abstract
The “dark“ adsorption equilibrium constants of different series of benzylic derivatives on TiO2 suspended in CH3CN were determined through a Langmuir-type adsorption isotherm. In particular, the similarity of the K values of differently ring substituted α-OH derivatives within the same series confirms the previously suggested preferential adsorption of the hydroxyl group (at the oxygen atom) with respect to the aromatic moiety.File in questo prodotto:
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