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The first example of cofacial bis(dipyrrins)

Jude Deschamps 1 Yi Chang 2 Adam Langlois 1 Nicolas Desbois 2 Claude P. Gros 2, * Pierre D. Harvey 1, *
* Auteur correspondant
1 UdeS - Département de chimie [Sherbrooke]
2 ICMUB - Institut de Chimie Moléculaire de l'Université de Bourgogne [Dijon]
Abstract : Two series of cofacial bis(dipyrrins) were prepared and their photophysical properties as well as their bimolecular fluorescence quenching with C-60 were investigated. DFT and TDDFT computations were also performed as a modeling tool to address the nature of the fluorescence state and the possible inter-chromophore interactions. Clearly, there is no evidence for such interactions and the bimolecular quenching of fluorescence, in comparison with mono-dipyrrins, indicates that C-60-bis(dipyrrin) contacts occur from the outside of the "mouth" of the cofacial structure.
Keywords : molecular-orbital methods singlet energy transfers extended basis-sets valence basis-sets density-functional theory light-harvesting systems organometallic compounds excitation-energies transition-metals 2nd-row elements
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https://hal-univ-bourgogne.archives-ouvertes.fr/hal-01427985
Contributeur : Icmub - Université de Bourgogne <>
Soumis le : vendredi 6 janvier 2017 - 11:20:47
Dernière modification le : mercredi 10 février 2021 - 11:56:04

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UNIV-BOURGOGNE | CNRS | INC-CNRS | ICMUB

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Jude Deschamps, Yi Chang, Adam Langlois, Nicolas Desbois, Claude P. Gros, et al.. The first example of cofacial bis(dipyrrins). New Journal of Chemistry, Royal Society of Chemistry, 2016, 40 (7), pp.5835 - 5845. ⟨10.1039/c5nj03347k⟩. ⟨hal-01427985⟩

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