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Photophysical and photochemical properties of zinc and aluminum phthalocyanines in the presence of magnetic fluid

Paper ID Volume ID Publish Year Pages File Format Full-Text
28397 44074 2007 7 PDF Available
Title
Photophysical and photochemical properties of zinc and aluminum phthalocyanines in the presence of magnetic fluid
Abstract

The effect of magnetic fluid (MF) on the photophysical and photochemical parameters of zinc and aluminum phthalocyanines are reported. The complexes studied are zinc (II) phthalocyanine (ZnPc), chloroaluminum phthalocyanine ((Cl)AlPc) and tetrasulfonated aluminum phthalocyanine ((Cl)AlTSPc). The parameters are studied in dimethylsulfoxide (DMSO) for all complexes and also in aqueous media for (Cl)AlTSPc. The triplet lifetimes for (Cl)AlTSPc and ZnPc decreased while the triplet quantum yields increased in the presence of MF. For (Cl)AlPc, the triplet lifetimes were found to increase with decrease in laser energy while there was photoreduction to the Pc−3 species. Singlet oxygen and photodegradation quantum yields decreased in the presence of MF, suggesting quenching.

Keywords
Magnetic fluid; Zinc phthalocyanine; Aluminum phthalocyanine; Triplet quantum yields; Triplet lifetime; Fluorescence; Photodegradation
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Photophysical and photochemical properties of zinc and aluminum phthalocyanines in the presence of magnetic fluid
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 188, Issues 2–3, 20 May 2007, Pages 200–206
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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Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us