影像科学与光化学 ›› 1995, Vol. 13 ›› Issue (1): 28-34.DOI: 10.7517/j.issn.1674-0475.1995.01.28

• 研究论文 • 上一篇    下一篇

具有相反电荷取代基的卟啉和酞菁异聚体荧光光谱的研究

毛海舫, 田宏健, 许慧君   

  1. 中国科学院感光化学研究所, 北京100101
  • 收稿日期:1994-01-25 修回日期:1994-06-23 出版日期:1995-02-20 发布日期:1995-02-20
  • 通讯作者: 田宏健
  • 基金资助:
    国家自然科学基金;长春物理所激发态物理过程开放实验室资助

STUDY ON THE AGGREGATION OF PORPHYRIN AND PHTHANLOC-YANINE BEARING OPPOSITELY CHARGED SUBSTITUENTS BY FLUORESCENCE SPECTROSCOPY

MAO HAI-FANG, TIAN HONG-JIAN, XU HUI-JUN   

  1. Institute of Photographi Chemsitry, The Chinese Academy of Sciences Beijing 100101, P.R. China
  • Received:1994-01-25 Revised:1994-06-23 Online:1995-02-20 Published:1995-02-20

摘要: 用荧光光谱的方法研究了由水溶性的中位-四-[对-(N,N,N-三甲基苯基)铵基]卟啉的碘化物和2,6,9,15-四(4'-磺酸基)镓酞菁形成的超分子体系,在水溶液中阴离子酞菁与阳离子卟啉能形成杂聚集体。荧光光谱滴定的结果表明:聚集体为杂二聚体,形成平衡常数为1.17×108L/mol。说明了卟啉-酞菁杂二聚体是非常稳定的。没有观察到聚集体的荧光发射。

关键词: 卟啉碘化物, 镓酞菁, 荧光光谱, 杂二聚体

Abstract: The supramolecular system consisting of a water-soluble meso-tetrakis-[(P-trimethylphenyl)ammonio] porphyrin tetraiodide and a gallium tetrasodium tetrakis(4’-sul-fonato)phthalocyanine was studied by fluorescence spectroscopy. In water solution,mixing of the anionic phthalocyanine with the cationic porphyrin yields heteroaggregate. The results of fluorimetric titrations indicated that the hetero-aggregate in a heterodimer and the formation equilibrium constant of the heterodimer is 1.17×108 L/mol.The value of the for-mation equilibrium constant indicates that the heterodimer is very stable in water solution.No fluorescense emision of the heterodimer was observed.

Key words: porphyrin tetraiodide, gallium phthalocyanine, fluorescence spectroscopy, heterodimer