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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Solvent effects on the photochemical and fluorescence properties of zinc phthalocyanine derivatives
Journal of Molecular Structure, Volume 650, No. 1-3, Year 2003
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Description
The effects of solvents on the singlet oxygen, photobleaching and fluorescence quantum yields for zinc phthalocyanine (ZnPc) and its derivatives; (pyridino)zinc phthalocyanine ((py)ZnPc), zinc octaphenoxyphthalocyanine (ZnOPPc) and zinc octaestronephthalocyanine (ZnOEPc), is presented. The effects of the solvents on the ground state spectra are also discussed. The largest red shift of the Q band was observed in aromatic solvents, the highest shift being observed for 1-chloronaphthalene. Higher singlet fluorescence quantum yields were observed in THF for ZnPc and ZnOPPC. Also in the same solvent phototransformation rather than photobleaching was observed for ZnOPPc. Split Q band in the emission and excitation spectra of ZnOPPc was observed in some solvents and this is explained in terms of the lowering of symmetry following excitation. © 2003 Elsevier Science B.V. All rights reserved.
Authors & Co-Authors
Ogunsipe, Abimbola O.
South Africa, Grahamstown
Rhodes University
Maree, David M.
South Africa, Grahamstown
Rhodes University
Nyokong, Tebello
South Africa, Grahamstown
Rhodes University
Statistics
Citations: 411
Authors: 3
Affiliations: 1
Identifiers
Doi:
10.1016/S0022-2860(03)00155-8
Research Areas
Environmental