Molecular tools for the self-assembly of bisporphyrin photodyads: A comprehensive physicochemical and photophysical study

Jérémy Brandel; Ali Trabolsi; Hassan Traboulsi; Frédéric Melin; Matthieu Koepf; Jennifer A. Wytko; Mourad Elhabiri; Jean Weiss; Anne Marie Albrecht-Gary

doi:10.1021/ic802407x

Molecular tools for the self-assembly of bisporphyrin photodyads: A comprehensive physicochemical and photophysical study

Jérémy Brandel, Ali Trabolsi, Hassan Traboulsi, Frédéric Melin, Matthieu Koepf, Jennifer A. Wytko, Mourad Elhabiri, Jean Weiss, Anne Marie Albrecht-Gary

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

Accessible and hindered phenanthroline-strapped Zn(II) porphyrin receptors exhibited suitable topography tailored to strongly and selectively bind N ₁-unsubstituted imidazoles and imidazoles appended to free-base porphyrins. Distal binding was clearly driven by the formation of strong bifurcated hydrogen bonds with the phenanthroline unit of the receptors. An extensive physicochemical study emphasized the influence of bulkiness of the substrate and of the porphyrin receptor on the binding and self-assembly mechanism. Knowledge of the corresponding spectroscopic, thermodynamic, and kinetic data were of fundamental importance to elucidate and to model the photoinduced properties which occur within the self-assembled porphyrin dyads.

Original language	English (US)
Pages (from-to)	3743-3754
Number of pages	12
Journal	Inorganic Chemistry
Volume	48
Issue number	8
DOIs	https://doi.org/10.1021/ic802407x
State	Published - Apr 20 2009

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry

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10.1021/ic802407x

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abstract = "Accessible and hindered phenanthroline-strapped Zn(II) porphyrin receptors exhibited suitable topography tailored to strongly and selectively bind N 1-unsubstituted imidazoles and imidazoles appended to free-base porphyrins. Distal binding was clearly driven by the formation of strong bifurcated hydrogen bonds with the phenanthroline unit of the receptors. An extensive physicochemical study emphasized the influence of bulkiness of the substrate and of the porphyrin receptor on the binding and self-assembly mechanism. Knowledge of the corresponding spectroscopic, thermodynamic, and kinetic data were of fundamental importance to elucidate and to model the photoinduced properties which occur within the self-assembled porphyrin dyads.",

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T2 - A comprehensive physicochemical and photophysical study

AU - Brandel, Jérémy

AU - Trabolsi, Ali

AU - Traboulsi, Hassan

AU - Melin, Frédéric

AU - Koepf, Matthieu

AU - Wytko, Jennifer A.

AU - Elhabiri, Mourad

AU - Weiss, Jean

AU - Albrecht-Gary, Anne Marie

PY - 2009/4/20

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AB - Accessible and hindered phenanthroline-strapped Zn(II) porphyrin receptors exhibited suitable topography tailored to strongly and selectively bind N 1-unsubstituted imidazoles and imidazoles appended to free-base porphyrins. Distal binding was clearly driven by the formation of strong bifurcated hydrogen bonds with the phenanthroline unit of the receptors. An extensive physicochemical study emphasized the influence of bulkiness of the substrate and of the porphyrin receptor on the binding and self-assembly mechanism. Knowledge of the corresponding spectroscopic, thermodynamic, and kinetic data were of fundamental importance to elucidate and to model the photoinduced properties which occur within the self-assembled porphyrin dyads.

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Molecular tools for the self-assembly of bisporphyrin photodyads: A comprehensive physicochemical and photophysical study

Abstract

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