Coumarin-based quantification of hydroxyl radicals and other reactive species generated on excited nitrogen-doped TiO2

Abdul Wafi,Erzsébet Szabó-Bárdos,Ottó Horváth,Éva Makó,Miklós Jakab,Balázs Zsirka

Journal of Photochemistry and Photobiology A: Chemistry（2021）

Cited 23|Views23

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Abstract

•Coumarin could be used for quantification of activity of TiO2-based photocatalysts•Beside OH radicals, it reacted with other photogenerated species (e- and O2•-), too•This method was utilized for characterization of N-doped TiO2 catalysts•The synthesis of these catalysts was optimized regarding their photoactivity•The optimum synthesis conditions deviated for the UV and visible-light activity

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Key words

Coumarin,OH radical formation,Visible-light photoactivity,Nitrogen-doped TiO2,Synthesis conditions

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