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Abstract:

Ruthenium bis(bipyridine) complexes have proved to be useful as phototriggers for visible and IR-light photodelivery of molecules. They usually expel one ligand heterolytically upon absorption of blue or green light. However, their absorption capabilities at wavelengths longer than 500 nm are poor. Through coordination of fluorescent ligands to the Ru center, it is possible to establish an energy transfer pathway that allows these kinds of complexes to extend the range of photoactivation up to yellow wavelengths. We introduce a study of this effect in several complexes of the family using a modified Rhodamine as fluorescent ligand with different coordinated linkers. The observed trends show that a rational design of fluorophore-enhanced Ru-bpy phototriggers is possible and that photolysis efficiency can be increased by choosing the right combination of ligands. © 2014 American Chemical Society.

Registro:

Documento: Artículo
Título:Fluorescent ligands and energy transfer in photoactive ruthenium-bipyridine complexes
Autor:Carrone, G.; Gantov, F.; Slep, L.D.; Etchenique, R.
Filiación:Departamento de Quimica Inorganica, Analitica y Quimica Fisica, INQUIMAE, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria Pabellón 2, Buenos Aires, AR1428EHA, Argentina
Palabras clave:Coordination reactions; Energy transfer; Fluorescence; Photolysis; Ruthenium; Ruthenium compounds; Absorption capability; Bipyridines; Green light; Photo activations; Phototriggers; Rational design; Ruthenium-bipyridine complexes; Ligands
Año:2014
Volumen:118
Número:45
Página de inicio:10416
Página de fin:10424
DOI: http://dx.doi.org/10.1021/jp504030f
Título revista:Journal of Physical Chemistry A
Título revista abreviado:J Phys Chem A
ISSN:10895639
CODEN:JPCAF
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10895639_v118_n45_p10416_Carrone

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Citas:

---------- APA ----------
Carrone, G., Gantov, F., Slep, L.D. & Etchenique, R. (2014) . Fluorescent ligands and energy transfer in photoactive ruthenium-bipyridine complexes. Journal of Physical Chemistry A, 118(45), 10416-10424.
http://dx.doi.org/10.1021/jp504030f
---------- CHICAGO ----------
Carrone, G., Gantov, F., Slep, L.D., Etchenique, R. "Fluorescent ligands and energy transfer in photoactive ruthenium-bipyridine complexes" . Journal of Physical Chemistry A 118, no. 45 (2014) : 10416-10424.
http://dx.doi.org/10.1021/jp504030f
---------- MLA ----------
Carrone, G., Gantov, F., Slep, L.D., Etchenique, R. "Fluorescent ligands and energy transfer in photoactive ruthenium-bipyridine complexes" . Journal of Physical Chemistry A, vol. 118, no. 45, 2014, pp. 10416-10424.
http://dx.doi.org/10.1021/jp504030f
---------- VANCOUVER ----------
Carrone, G., Gantov, F., Slep, L.D., Etchenique, R. Fluorescent ligands and energy transfer in photoactive ruthenium-bipyridine complexes. J Phys Chem A. 2014;118(45):10416-10424.
http://dx.doi.org/10.1021/jp504030f