Photoreactivity of buckminsterfullerene-bis(triphenylphosphite)platinum(0) induced by metal-to-ligand charge transfer excitation |
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| Authors: | Horst Kunkely and Arnd Vogler |
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| Affiliation: | Institut für Anorganische Chemie, Universität Regensburg, D-93040, Regensburg, Germany |
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| Abstract: | The complex C60Pt[P(OPh)3]2 displays C60 ππ* intraligand bands in the UV-Vis region and a long-wavelength absorption at λmax = 770 nm which is assigned to a metal-to-ligand charge transfer (MLCT) transition from platinum to fullerene. The irradiation of the complex leads to the population of the reactive MLCT state and subsequently to the dissociation (C60Pt[P(OPh)3]2 → C60 + Pt[P(OPh)3]2) in the primary photochemical step. Product formation takes place by the interception of Pt[P(OPh)3]2 with suitable scavengers such as CHCl3 or O2. |
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| Keywords: | Charge transfer, Platinum(0) complexes Fullerene complexes |
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