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Taming C60 fullerene: tuning intramolecular photoinduced electron transfer process with subphthalocyanines.


ABSTRACT: Two subphthalocyanine-C60 conjugates have been prepared by means of the 1,3-dipolar cycloaddition reaction of (perfluoro) or hexa(pentylsulfonyl) electron deficient subphthalocyanines to C60. Comprehensive assays regarding the electronic features - in the ground and excited state - of the resulting conjugates revealed energy and electron transfer processes upon photoexcitation. Most important is the unambiguous evidence - in terms of time-resolved spectroscopy - of an ultrafast oxidative electron transfer evolving from C60 to the photoexcited subphthalocyanines. This is, to the best of our knowledge, the first case of an intramolecular oxidation of C60 within electron donor-acceptor conjugates by means of only photoexcitation.

SUBMITTER: Rudolf M 

PROVIDER: S-EPMC5707453 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature

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Taming C<sub>60</sub> fullerene: tuning intramolecular photoinduced electron transfer process with subphthalocyanines.

Rudolf Marc M   Trukhina Olga O   Perles Josefina J   Feng Lai L   Akasaka Takeshi T   Torres Tomas T   Guldi Dirk M DM  

Chemical science 20150416 7


Two subphthalocyanine-C<sub>60</sub> conjugates have been prepared by means of the 1,3-dipolar cycloaddition reaction of (perfluoro) or hexa(pentylsulfonyl) electron deficient subphthalocyanines to C<sub>60</sub>. Comprehensive assays regarding the electronic features - in the ground and excited state - of the resulting conjugates revealed energy and electron transfer processes upon photoexcitation. Most important is the unambiguous evidence - in terms of time-resolved spectroscopy - of an ultra  ...[more]

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