A Highly Efficient UV-C Absorber Based on Theoretical and Experimental Studies

Ya Lun Chen, Chien Yi Shih, Hung Sung Lin, Fu Yung Huang

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

Based on two published UV absorbing molecules 2-(5′-tert-butyl-2′-hydroxyl)benzotriazole (Tinuvin-PS) and hydroxybenzophenone (HBP), both having characteristic absorption capability, a refined UV absorber, 2-(3′-benzoyl-2′-hydroxy-5′-tert-butylphenyl)benzotriazole, has been synthesized. This new UV absorber exhibits a wider absorption range and better thermal stability compared to either Tinuvin-PS and HBP and a higher absorption efficiency in the UV-C range. Theoretical studies reveal that the UV-C absorption arises from the electron density transfer from the Tinuvin-PS moiety to the HBP moiety and the enhanced absorption efficiency is ascribed to the presence of the carbonyl's π system.

原文English
頁(從 - 到)282-288
頁數7
期刊Journal of the Chinese Chemical Society
64
發行號3
DOIs
出版狀態Published - 2017 三月 1

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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