Determining the Attenuation Factor in Molecular Wires Featuring Covalent and Noncovalent Tectons

Hybrid covalent/supramolecular porphyrin–fullerene structures were synthesized as highly efficient molecular wires with a remarkably low attenuation factor (β=0.07±0.01 Å−1). Hydrogen‐bonding interactions and p‐phenylene oligomers of different lengths are responsible for efficient electron transfer...

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Bibliographic Details
Published in:Angewandte Chemie (International ed.) 2016-11, Vol.55 (48), p.15076-15080
Main Authors: Vela, Sonia, Bauroth, Stefan, Atienza, Carmen, Molina-Ontoria, Agustín, Guldi, Dirk M., Martín, Nazario
Format: Article
Language:English
Subjects:
electron transfer
fullerenes
hydrogen bonds
molecular wires
porphyrinoids
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Summary:Hybrid covalent/supramolecular porphyrin–fullerene structures were synthesized as highly efficient molecular wires with a remarkably low attenuation factor (β=0.07±0.01 Å−1). Hydrogen‐bonding interactions and p‐phenylene oligomers of different lengths are responsible for efficient electron transfer in the molecular wires. Whizzing along the wire: A series of electron‐donor–acceptor hybrids of a zinc porphyrin and C60 connected through molecular wires based on a combination of covalent and noncovalent interactions (see picture) exhibited efficient charge transport. Hydrogen‐bonding interactions and p‐phenylene oligomers of different lengths were responsible for electron transfer in these molecular wires.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201608973