Supramolecular assemblies of tripodal porphyrin hosts and C60

Reference:

Tong, L. H., Wietor, J.-L., Clegg, W., Raithby, P. R., Pascu, S. I. and Sanders, J. K. M., 2008. Supramolecular assemblies of tripodal porphyrin hosts and C60. Chemistry - A European Journal, 14 (10), pp. 3035-3044.

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Official URL:

http://dx.doi.org/10.1002/chem.200701686

Abstract

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 H-1 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 cocrystallites reveal close fullerene-porphyrin and fullerene-fullerene contacts.

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