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Abstract:

The photophysical behaviour of 1-nitrocarbazole, 3-nitrocarbazole, 1,6-dinitrocarbazole and 3,6-dinitrocarbazole in acetonitrile was studied by using spectroscopic, luminescence and photoacoustic techniques. Absorption spectra and triplet state transient spectra were recorded and the φ{symbol}T and τT values were determined. Phosphorescence emission at 77 K and the dynamic properties in terms of φ{symbol}p, kp o and knr for the mono and dinitrocarbazoles were derived. Results are discussed in terms of the optimised structure of 1-nitrocarbazole, 3-nitrocarbazole, 1,6-dinitrocarbazole and 3,6-dinitrocarbazole and are compared with that of carbazole. The nitro group attached to the carbazole moiety induces important changes in the photophysical behaviour of these compounds. © 2007 Elsevier B.V. All rights reserved.

Registro:

Documento: Artículo
Título:The photophysics of nitrocarbazoles used as UV-MALDI matrices: Comparative spectroscopic and optoacoustic studies of mononitro- and dinitrocarbazoles
Autor:Bonesi, S.M.; Mesaros, M.; Cabrerizo, F.M.; Ponce, M.A.; Bilmes, G.M.; Erra-Balsells, R.
Filiación:CIHIDECAR-CONICET. Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales, UBA. Pabellón II, 3er Piso, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Centro de Investigaciones Opticas (CIOp), Universidad Nacional de La Plata, Casilla de Correo 124, 1900 La Plata, Argentina
Palabras clave:Absorption spectra; Acetonitrile; Functional groups; Phosphorescence; Photoacoustic effect; Nitro groups; Phosphorescence emission; Photophysics; Triplet state transient spectra; Crystalline materials
Año:2007
Volumen:446
Número:1-3
Página de inicio:49
Página de fin:55
DOI: http://dx.doi.org/10.1016/j.cplett.2007.08.015
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_v446_n1-3_p49_Bonesi

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Citas:

---------- APA ----------
Bonesi, S.M., Mesaros, M., Cabrerizo, F.M., Ponce, M.A., Bilmes, G.M. & Erra-Balsells, R. (2007) . The photophysics of nitrocarbazoles used as UV-MALDI matrices: Comparative spectroscopic and optoacoustic studies of mononitro- and dinitrocarbazoles. Chemical Physics Letters, 446(1-3), 49-55.
http://dx.doi.org/10.1016/j.cplett.2007.08.015
---------- CHICAGO ----------
Bonesi, S.M., Mesaros, M., Cabrerizo, F.M., Ponce, M.A., Bilmes, G.M., Erra-Balsells, R. "The photophysics of nitrocarbazoles used as UV-MALDI matrices: Comparative spectroscopic and optoacoustic studies of mononitro- and dinitrocarbazoles" . Chemical Physics Letters 446, no. 1-3 (2007) : 49-55.
http://dx.doi.org/10.1016/j.cplett.2007.08.015
---------- MLA ----------
Bonesi, S.M., Mesaros, M., Cabrerizo, F.M., Ponce, M.A., Bilmes, G.M., Erra-Balsells, R. "The photophysics of nitrocarbazoles used as UV-MALDI matrices: Comparative spectroscopic and optoacoustic studies of mononitro- and dinitrocarbazoles" . Chemical Physics Letters, vol. 446, no. 1-3, 2007, pp. 49-55.
http://dx.doi.org/10.1016/j.cplett.2007.08.015
---------- VANCOUVER ----------
Bonesi, S.M., Mesaros, M., Cabrerizo, F.M., Ponce, M.A., Bilmes, G.M., Erra-Balsells, R. The photophysics of nitrocarbazoles used as UV-MALDI matrices: Comparative spectroscopic and optoacoustic studies of mononitro- and dinitrocarbazoles. Chem. Phys. Lett. 2007;446(1-3):49-55.
http://dx.doi.org/10.1016/j.cplett.2007.08.015