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Accueil > Recherche > Publications / brevets > Publications équipe ENSEMBLE > Publications Moléc nanomat fluo > Publications Bichromophores

BODIPY-Tetrazine Multichromophoric Derivatives

Cécile Dumas-Verdes, Fabien Miomandre, Eve Lépicier, Olivier Galangau, Thanh Truc Vu, Gilles Clavier, Rachel Méallet-Renault and Pierre Audebert; Eur. J. Org. Chem. (2010), 2525-2535.

Références :

Eur. J. Org. Chem. (2010), 2525-2535

Auteur(s) : 

Cécile Dumas-Verdes, Fabien Miomandre, Eve Lépicier, Olivier Galangau, Thanh Truc Vu, Gilles Clavier, Rachel Méallet-Renault, Pierre Audeber

New dyes based on BODIPY and tetrazine fluorophores connected through a phenyl spacer have been synthesized and their absorption, emission and electrochemical properties characterized. BODIPY can be reversibly oxidized into a stable cation radical whereas tetrazine can be reduced to a stable anion radical. The electrochemical and absorption studies demonstrate that both fluorophores behave independently. The bichromophoric compounds show an expected very weak emission by the BODIPY core that is quenched by the phenoxytetrazine mainly through energy transfer. DFT calculations and spectroelectrochemistry experiments demonstrate that photoinduced electron transfer and energy transfer remain possible when the tetrazine moiety is reduced electrochemically, which prevents switching on of the fluorescence of the BODIPY unit.

Type :
Publication
Dates :
Paru le 26 mars 2010
Informations complémentaires :

DOI: 10.1002/ejoc.200900874


 

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