Supramolecular porphyrin–fullerene via				‘two-point’ binding strategy: Axial-coordination and cation–crown ether complexation

Francis D'Souza; Raghu Chitta; Suresh Gadde; Melvin E. Zandler; Atula S. D. Sandanayaka; Yasuyuki Araki; Osamu Ito

doi:10.1039/B416736H

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Supramolecular porphyrin–fullerenevia ‘two-point’ binding strategy: Axial-coordination and cation–crown ether complexation†

Francis D'Souza,*^a Raghu Chitta,^a Suresh Gadde,^a Melvin E. Zandler,^a Atula S. D. Sandanayaka,^b Yasuyuki Araki^b and Osamu Ito*^b

Author affiliations

* Corresponding authors

^a Department of Chemistry, Wichita State University, 1845, Fairmount, Wichita, USA

^b Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira, Sendai, Japan

Abstract

A highly stable porphyrin–fullerene conjugate with defined distance and orientation, was formed using a newly developed ‘two-point’ binding strategy involving axial-coordination and cation–crown ether complexation; photochemical studies performed in benzonitrile revealed efficient charge separation and slow charge-recombination in the supramolecular complex.

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Supplementary files

Experimental section involving the syntheses of porphyrin and fullerene derivatives, ¹H NMR spectra, fluorescence quenching data with Benesi-Hildebrand plot, and picosecond fluorescence decay plots of the dyads DOC (1493K)

Article information

DOI: https://doi.org/10.1039/B416736H
Article type: Communication
Submitted: 04 Nov 2004
Accepted: 06 Dec 2004
First published: 19 Jan 2005

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Chem. Commun., 2005, 1279-1281

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Supramolecular porphyrin–fullerene via ‘two-point’ binding strategy: Axial-coordination and cation–crown ether complexation

F. D'Souza, R. Chitta, S. Gadde, M. E. Zandler, A. S. D. Sandanayaka, Y. Araki and O. Ito, Chem. Commun., 2005, 1279 DOI: 10.1039/B416736H

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