Abstract
A novel ruthenium porphyrin complex bearing an axially coordinated fullerene ligand (RuP-C60), that is, a fulleropyrrolidine that bears a pyridine moiety, was developed as an artificial reaction center mimic. Generally, the new donor-acceptor dyad gives rise to rapid intramolecular deactivation of the ruthenium porphyrin triplet excited state, which evolves from instantaneous intersystem crossing. The product of the ruthenium porphyrin excited-state deactivation depends on the solvent polarity. While in non-polar solvents a transduction of triplet excited energy predominates, in medium and strongly polar media, charge-separation leads to the formation of RuP˙+-C60˙−.
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F Hauke A Hirsch S G Liu L Echegoyen A Swartz C Luo D M Guldi F Hauke A Hirsch S G Liu L Echegoyen A Swartz C Luo D M Guldi (2002) ArticleTitleEvidence of pronounced electronic coupling in a directly bonded fullerene-ferrocene dyad Chem. Phys. Chem. 3 195 Occurrence Handle1:CAS:528:DC%2BD38XhvVels7g%3D Occurrence Handle12503126 Occurrence Handle10.1002/1439-7641(20020215)3:2<195::AID-CPHC195>3.0.CO;2-C
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This paper is dedicated to Professor Fred Lewis on the event of his 60th birthday.
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Guldi, D.M., Da Ros, T., Braiuca, P. et al. A topologically new ruthenium porphyrin—fullerene donor—acceptor ensemble. Photochem Photobiol Sci 2, 1067–1073 (2003). https://doi.org/10.1039/b307269j
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DOI: https://doi.org/10.1039/b307269j