Excited state dynamics of zinc and aluminum phthalocyanine carboxylates.
作者： Mopelola Idowu , Abimbola Ogunsipe , Tebello Nyokong
DOI: 10.1016/J.SAA.2007.01.025
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摘要: Abstract Photophysical parameters for zinc and aluminium tetracarboxylphthalocyanines (ZnTCPc AlTCPc, respectively) their octacarboxy substituted counterparts (ZnOCPc AlOCPc) were studied. Data the fluorescence quenching of complexes by benzoquinone (BQ) treated using Stern–Volmer analysis, was found to follow a diffusion-controlled (dynamic) bimolecular mechanism. Theoretical values rate constant complex-BQ interactions determined Stokes–Einstein–Smoluchowski model; values, together with constants used in calculating lifetimes complexes. The thermodynamics MPc-BQ interaction, terms solvent reorientation energy is also discussed.
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