Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 140, Issue 3, Pages 215-222Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S1010-6030(01)00427-0
Keywords
pyridinoporphyrazine; phthalocyanine; sensitizer; singlet oxygen; photobleaching
Categories
Ask authors/readers for more resources
Tetra-2,3-pyridinoporphyrazines and the corresponding water-soluble N, N', N , N ' -tetramethyl-tetra-2,3-pyridinoporphyrazine complexes, containing central metal atoms; M = Ce, Sn, Si and Zn, were synthesized and their photochemical properties were investigated. The reductive quenching of pyridinoporphyrazines excited states, enhanced relative to phthalocyanines, was considered as the first photochemical step of dyes phototransformation in dimethylformamide (DMF) and dimethylsulfoxide (DMSO) solutions under irradiation with visible light. Efficiency of singlet oxygen photosensitization decreases significantly in the row phthalocyanines, unquaternized, quaternized tetra-2,3-pyridinoporphyrazine metallocomplexes. (C) 2001 Elsevier Science B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available