Spin polarization and photoinduced electron transfer between ferrocene and fullerene derivatives containing a nitroxide group |
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| Authors: | F Conti C Corvaja M Maggini F Piu G Scorrano A Toffoletti |
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| Institution: | 1. Department of Physical Chemistry, University of Padova, via Loredan 2, 35131, Padova, Italy
2. Centro Meccanismi Reazioni Organiche of the CNR, Department of Organic Chemistry, University of Padova, Padova, Italy
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| Abstract: | Fulleropyrroliddine derivatives containing a TEMPO group (FPNOs) are examined in toluene solution, between 200 and 270 K, by TR-EPR spectroscopy after LASER excitation. Signals of the ground and excited states are observed and their time profiles are recorded. In presence of ferrocene the time pattern of the polarization is modified, showing the occurrence of intermolecular electron transfer from the donor ferrocene to the excited FPNOs. The rate constantk E. is obtained from the simulation of the EPR signal time evolution of the ground and excited states. |
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