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Ligand-Triplet-Fueled Long-Lived Charge Separation in Ruthenium(II) Complexes with Bithienyl-Functionalized Ligands

TitleLigand-Triplet-Fueled Long-Lived Charge Separation in Ruthenium(II) Complexes with Bithienyl-Functionalized Ligands
Publication TypeJournal Article
Year of Publication2011
AuthorsMajewski, MB, de Tacconi, NR, MacDonnell, FM, Wolf, MO
JournalINORGANIC CHEMISTRY
Volume50
Pagination9939-9941
Date PublishedOCT 17
ISSN0020-1669
Abstract

Ruthenium(II) polypyridyl complexes with pendant bithienyl ligands exhibiting unusually long-lived (tau similar to 3-7 mu s) charge-separated excited states and a large amount of stored energy (Delta G degrees similar to 2.0 eV) are reported. A long-lived ligand-localized triplet acts as an energy reservoir to fuel population of an interligand charge-transfer state via an intermediate metal-to-ligand charge-transfer state in these complexes.

DOI10.1021/ic201895y