Influence of ligand structure and molecular geometry on the properties of d(6) polypyridinic transition metal complexes

Resumen:
Different strategies to improve the excited state properties of polypyridinic complexes by varying ligand structure and molecular geometry are described. Bidentate and tetradentate ligands based on fragments as dipyrido[3,2-a:2',3'-c]phenazine, dppz, and pyrazino[2,3-f][1,10]-phenanthroline, ppl, have been used. Quinonic residues were fused to these basic units to improve acceptor properties. Photophysical studies were performed in order to test theoretical predictions. (c) 2006 Elsevier B.V. All rights reserved.

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