影像科学与光化学 ›› 1988, Vol. 6 ›› Issue (4): 53-56.DOI: 10.7517/j.issn.1674-0475.1988.04.53

• 研究简报 • 上一篇    

三乙酰基丙酮合锰(Ⅲ)配合物与硫堇分子间缔合作用的研究

喻长军, 沈玉全, 曹怡   

  1. 中国科学院感光化学研究所, 北京
  • 收稿日期:1987-05-08 修回日期:1987-12-22 出版日期:1988-11-20 发布日期:1988-11-20
  • 基金资助:
    国家自然科学基金

THE STUDY OF ASSOCIATION INTERACTION BETWEEN TRISACETYLACETONATE MANGENESE (Ⅲ) AND THIONINE IN GROUND STATE

YU CHANG-JUN, SHEN YU-QUAN, CAO YI   

  1. Institute of Photographic Chemistry, Academia Sinica, Beijing
  • Received:1987-05-08 Revised:1987-12-22 Online:1988-11-20 Published:1988-11-20

摘要: 三乙酰基丙酮合锰(Ⅲ)[Mn(AA)3]是十分有效的烯烃聚合引发基,我们已报道了硫堇敏化的Mn(AA)3,引发烯烃聚合的工作[1]。本文证明了Mn(AA)3与硫堇分子间的缔合作用,即证明了光激发作用之前,基态缔合物的形成。因而有益于阐明这一体系的敏化引发机理。

关键词: 硫堇, 三乙酰基丙酮合锰(Ⅲ), 静态猝灭, 动态猝灭, 基态缔合作用

Abstract: When adding thionine to alcoholic solution of trisacetylacetonate manganese (Ⅲ), the UV spectrum is red shifted and a new peak around 340 nm is observed. Meanwhile a characteristic Stern-Volmer plot is obtained for the system in which static and dynamic quenching is active. Therefore experimental evidences are provided for the association interaction between the species in ground state.

Key words: thionine, trisacetylacetonate manganese (Ⅲ), static quenching, dynamic quenching, ground complex