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Expanded bite angles in tridentate ligands: improving the photophysical properties in bistridentate Ru-II polypyridine complexes
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Photochemistry and Molecular Science, Chemical Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Photochemistry and Molecular Science, Molecular Biomimetics.
2010 (English)In: Coordination chemistry reviews, ISSN 0010-8545, E-ISSN 1873-3840, Vol. 254, no 21-22, 2546-2559 p.Article in journal (Refereed) Published
Abstract [en]

Bistridentate metal complexes as photosensitizers are ideal building blocks in the construction of rodlike isomer-free assemblies for intramolecular photoinduced charge separation. Approaches to obtain long-lived luminescent metal-to-ligand charge transfer excited states in bistridentate Run polypyridine complexes via the manipulation of metal-centered state energies are discussed. Following an introduction to general strategies to prolong the excited state lifetimes, more recent work is explored in detail where tridentate ligands with expanded 2,2':6',2 ''-terpyridine cores are utilized. The synthesis of these tridentate ligands and their corresponding Ru-II complexes is covered. Bistridentate Run complexes with microsecond metal-to-ligand charge transfer excited state lifetimes are described, and are used in electron donor-photosensitizer-electron acceptor assemblies for efficient vectorial photoinduced charge separation.

Place, publisher, year, edition, pages
2010. Vol. 254, no 21-22, 2546-2559 p.
Keyword [en]
Ruthenium, Tridentate ligands, Polypyridine ligands, Luminescence, Photochemistry, Donor-acceptor
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-136497DOI: 10.1016/j.ccr.2010.01.006ISI: 000282389100010OAI: oai:DiVA.org:uu-136497DiVA: diva2:377313
Available from: 2010-12-14 Created: 2010-12-13 Last updated: 2017-12-11Bibliographically approved

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