Supramolecular Assemblies of Tripodal Porphyrin Hosts and C 60

The self‐assembly of two tripodal porphyrin hosts in the presence of C 60 , in the solid state, has been studied using synchrotron X‐ray crystallography, and in solution by using 1 H NMR and fluorescence spectroscopies. The binding affinities, stoichiometries and geometries strongly depend on the si...

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Bibliographic Details
Published in:Chemistry : a European journal 2008-03, Vol.14 (10), p.3035-3044
Main Authors: Tong, Lok H., Wietor, Jean‐Luc, Clegg, William, Raithby, Paul R., Pascu, Sofia I., Sanders, Jeremy K. M.
Format: Article
Language:English
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Summary:The self‐assembly of two tripodal porphyrin hosts in the presence of C 60 , in the solid state, has been studied using synchrotron X‐ray crystallography, and in solution by using 1 H NMR and fluorescence spectroscopies. The binding affinities, stoichiometries and geometries strongly depend on the size of the porphyrin host. Intramolecular and/or intermolecular porphyrin–fullerene interactions are observed in the co‐crystallites and in each case, the trimer exhibits a “tweezers‐like” structural motif. The solid‐state structures of the trimer‐fullerene co‐crystallites reveal close fullerene–porphyrin and fullerene–fullerene contacts.
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.200701686