Substituent effect in self-sensitized degradation of Acid Orange 7 in solar/diketone processes

Shijie Wei,Hongcen Zheng,Jia-Jia Zhao,Shouyun Yu,Bingdang Wu,Guoyang Zhang,Shujuan Zhang

Journal of Photochemistry and Photobiology A: Chemistry（2023）

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摘要

•AA promoted the degradation of AO7 under UV irradiation.•Under solar irradiation, AA inhibited the self-sensitized degradation of AO7.•AA-CH2-AA had a nonstoichiometric enhancement effect on the photodegradation of AO7.•AA-CH2-AA interacted with the generated 1O2 from the self-sensitization of AO7.•Electron-donating α-substituents make the AA derivatives less sensitive to energy transfer.

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关键词

Diketones,Acid Orange 7,Visible light,Photosensitization,Acetylacetone

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