Tuning of ruthenium complex properties using pyrrole- and pyrrolidine-containing polypyridine ligands |
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| Authors: | Martineau David Beley Marc Gros Philippe C Cazzanti Silvia Caramori Stefano Bignozzi Carlo A |
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| Affiliation: | LIMBP, IPEM, Université Paul Verlaine, Bd Arago, 57070 Metz, France, SOR, UMR CNRS 7565, Université Henri Poincaré, Boulevard des Aiguillettes, 54506 Vandoeuvre-lès-Nancy, France. |
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| Abstract: | The effect of pyrrole- and pyrrolidine-containing ligands (L) on the properties of heteroleptic [RuL2dcbpy]2+ complexes has been investigated. TiO2 electrodes modified with the new complexes exhibited extended absorption domains and high absorbances. Providing that a cobalt-based mediator was used for regeneration of the RuII state, good incident photon-to-current efficiency (near 80%) values were obtained in the pyrrole series. |
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