Revealing how proton transfer process of 2-hydroxylbenzophenones affected by the intermolecular hydrogen bond with different para-substituted groups

Ziqi Deng,Junhong Pang, Zichong Situ, Linfeng Yin,Li Dang,Ming-De Li

Journal of Photochemistry and Photobiology A: Chemistry（2022）

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摘要

•Ultrafast dynamics of 2-hydroxybenzophenone and its para-substituted variants were studied.•Intermolecular Hydrogen Bond Effect on Excited States Deactivation Processes was revealed.•The driving force of the ground state intramolecular proton transfer was unveiled.•The para-sbustituted electron-donating groups have a positive impact on the UV-filter performance of 2-hydroxybenzophenones.

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关键词

Benzophenone derivatives,Proton transfer,Intermolecular hydrogen bond,Ultrafast time-resolved spectrometry,DFT calculation

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