Fluorescent Properties and Kinetic Rate Constants of some Zn-Tetraarylporphyrins Formation in Acetonitrile

The fluorescence quantum yield of the 5,10,15,20-tetraphenylporphyrin, 5,10,15,20-tetra(4-OH-phenyl)porphyrin, 5,10,15,20-tetra(4-Cl-phenyl)porphyrin, 5,10,15,20-tetra(4-NH 2 -phenyl)porphyrin and their complexes with Zn 2+ have been determined and the kinetic rate constants of the porphyrins ligand...

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Bibliographic Details
Published in:Journal of fluorescence 2017, Vol.27 (1), p.303-307
Main Authors: Ivanova, Yulia B., Mamardashvili, Nugzar Z.
Format: Article
Language:English
Subjects:
Acetonitrile
Analytical Chemistry
Biochemistry
Biological and Medical Physics
Biomedical and Life Sciences
Biomedicine
Biophysics
Biotechnology
Fluorescence
Original Article
Porphyrins
Rate constants
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Summary:The fluorescence quantum yield of the 5,10,15,20-tetraphenylporphyrin, 5,10,15,20-tetra(4-OH-phenyl)porphyrin, 5,10,15,20-tetra(4-Cl-phenyl)porphyrin, 5,10,15,20-tetra(4-NH 2 -phenyl)porphyrin and their complexes with Zn 2+ have been determined and the kinetic rate constants of the porphyrins ligands complexation with Zn 2+ in acetonitrile have been estimated. It was shown that the substituents on the tetrapyrrolic macrocycle periphery have a strong influence on the fluorescent and coordination properties of the investigated porphyrins.
ISSN:1053-0509
1573-4994
DOI:10.1007/s10895-016-1958-1