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Synthesis and solvent effects on the photophysicochemical properties of novel cadmium phenoxy phthalocyanines

Paper ID Volume ID Publish Year Pages File Format Full-Text
27713 44039 2008 8 PDF Available
Title
Synthesis and solvent effects on the photophysicochemical properties of novel cadmium phenoxy phthalocyanines
Abstract

The syntheses of novel cadmium phenoxy complexes; tetrakis{1,(4)-tert-butylphenoxyphthalocyaninato}cadmium(II) (5a), tetrakis{1,(4)-phenoxyphthalocyaninato}cadmium(II) (5b), tetrakis{2,(3)-tert-butylphenoxyphthalocyaninato}cadmium(II) (6a) and tetrakis{2,(3)-phenoxyphthalocyaninato}cadmium(II) (6b) are presented herein. The spectroscopic and photophysicochemical properties have also been carried out and discussed together with the influence of various organic solvents on these properties. Spectroscopic properties, i.e. ground state electronic absorption and fluorescence spectra have been found to vary as a function of substituent position on the phthalocyanine macrocycle, i.e. α-substitution versus β-substitution. The photophysical parameters are reported as well as the photodegradation and singlet oxygen quantum yields, where the complexes were found to exhibit good photostability with the production of appreciable amounts of singlet oxygen.

Keywords
Cadmium phthalocyanine; Fluorescence quantum yields; Solvent effects; Photodegradation; Singlet oxygen quantum yields; Triplet lifetimes
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Synthesis and solvent effects on the photophysicochemical properties of novel cadmium phenoxy phthalocyanines
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 195, Issues 2–3, 15 April 2008, Pages 183–190
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
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