Artículo
Gutkowski, K.I.; Japas, M.L.; Aramendía, P.F. "Fluorescence of dicyanovinyl julolidine in a room-temperature ionic liquid" (2006) Chemical Physics Letters. 426(4-6):329-333
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Abstract:
Steady-state and time-resolved emission of 9-dicyanovinyl julolidine (DCVJ) in 1-butyl 3-methyl imidazolium tetrafluoroborate ([bmim][BF4]) were studied. The emission spectrum of DCVJ, obtained after properly subtracting the fluorescence of the solvent, peaks at similar wavelength as in acetonitrile, and its total intensity decreases with temperature, as it does in normal liquids. However, the activation energy of the radiationless process is much lower than that of [bmim][BF4] viscosity, which points to a free volume controlled deactivation for DCVJ excited state. © 2006 Elsevier B.V. All rights reserved.
Registro:
| Documento: | Artículo |
| Título: | Fluorescence of dicyanovinyl julolidine in a room-temperature ionic liquid |
| Autor: | Gutkowski, K.I.; Japas, M.L.; Aramendía, P.F. |
| Filiación: | Comisión Nacional de Energía Atómica, Centro Atómico Constituyentes, Av. Gral Paz 1499, 1650 San Martin, Prov. Buenos Aires, Argentina Escuela de Ciencia y Tecnología, Universidad Nacional de San Martín, Av. 25 de Mayo y Martin de Irigoyen, San Martin, Prov. de Buenos Aires, Argentina INQUIMAE, Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactasy Naturales, Pabellon 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina |
| Palabras clave: | Acetonitrile; Activation energy; Fluorescence; Ground state; Spectrum analysis; Thermal effects; Viscosity measurement; Volume control (spatial); Dicyanovinyl julolidine; Imidazolium tetrafluoroborate; Ionic liquids; Room temperature; Vinyl resins |
| Año: | 2006 |
| Volumen: | 426 |
| Número: | 4-6 |
| Página de inicio: | 329 |
| Página de fin: | 333 |
| DOI: | http://dx.doi.org/10.1016/j.cplett.2006.06.027 |
| Título revista: | Chemical Physics Letters |
| Título revista abreviado: | Chem. Phys. Lett. |
| ISSN: | 00092614 |
| CODEN: | CHPLB |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00092614_v426_n4-6_p329_Gutkowski |
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Citas:
---------- APA ----------
Gutkowski, K.I., Japas, M.L. & Aramendía, P.F. (2006) . Fluorescence of dicyanovinyl julolidine in a room-temperature ionic liquid. Chemical Physics Letters, 426(4-6), 329-333.http://dx.doi.org/10.1016/j.cplett.2006.06.027
---------- CHICAGO ----------
Gutkowski, K.I., Japas, M.L., Aramendía, P.F. "Fluorescence of dicyanovinyl julolidine in a room-temperature ionic liquid" . Chemical Physics Letters 426, no. 4-6 (2006) : 329-333.http://dx.doi.org/10.1016/j.cplett.2006.06.027
---------- MLA ----------
Gutkowski, K.I., Japas, M.L., Aramendía, P.F. "Fluorescence of dicyanovinyl julolidine in a room-temperature ionic liquid" . Chemical Physics Letters, vol. 426, no. 4-6, 2006, pp. 329-333.http://dx.doi.org/10.1016/j.cplett.2006.06.027
---------- VANCOUVER ----------
Gutkowski, K.I., Japas, M.L., Aramendía, P.F. Fluorescence of dicyanovinyl julolidine in a room-temperature ionic liquid. Chem. Phys. Lett. 2006;426(4-6):329-333.http://dx.doi.org/10.1016/j.cplett.2006.06.027
