Laser-flash photolysis of dialkylbenzodipyridoporphyrazines

Sakamoto, Keiichi, Ohno-Okumura, Eiko, Kato, Taku, Kawaguchi, Tomomi and Cook, Michael J. (2003) Laser-flash photolysis of dialkylbenzodipyridoporphyrazines. Journal of Porphyrins and Phthalocyanines, 7 (2). pp. 83-88. ISSN 1088-4246

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Abstract

In the course of a fundamental study of photosensitizers for Photodynamic therapy of cancer, a non-peripheral substituted phthalocyanine analogue, zinc bis(1,4-didecylbenzo)bis(3,4-pyrido)porphyrazine and its position isomers were examined to measure their photoexcited triplet state lifetimes in poly(methyl methacrylate) film using laser-flash photolysis. The isomer mixture of zinc bis(1,4-didecylbenzo)bis(3,4-pyrido)porphyrazine showed the most intense absorption in the 660-710 nm region, and the longer triplet state lifetime. The lowest symmetry isomer of zinc bis(1,4-didecylbenzo)bis(3,4-pyrido)porphyrazine was found to have the longest triplet state lifetime when all isomers were separated. The compound is proposed to be suitable for use as a photosensitizer for photodynamic therapy of cancer. Copyright (C) 2003 Society of Porphyrins & Phthalocyanines.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Depositing User: Rachel Smith
Date Deposited: 10 May 2011 12:28
Last Modified: 21 Apr 2020 20:37
URI: https://ueaeprints.uea.ac.uk/id/eprint/30134
DOI: 10.1142/S1088424603000112

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