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Porphyrinic chromophore, energy transfers linking

Hyslop and coworkers reported an Os(II) bipyridyl carbonyl complex (Fig. 7) covalently linked to both free base and Zn(II) tetraphenylpor-phyrin [45]. The Os(II) chromophore, having a CO ligand, has a luminescence maximum of 589 nm in CH2CI2 and excitation of the complex results in energy transfer to the free base porphyrin. In the mixed Os(II)/Zn(II) complex,... [Pg.114]

The efficiency and complexity of electron (ET) and energy (EN) transfer reactions in natural photosynthesis have led many chemists to design donor-acceptor-linked systems that mimic these multistep ET processes, hi the natural photosynthetic ET reaction centres, porphyrins and metaUopor-phyrins are the essential chromophore components [27]. [Pg.298]

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See also in sourсe #XX -- [ Pg.617 ]



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Porphyrinic chromophore, energy transfers

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