Luminescence quenching of Ru(II) complexes in polydimethylsiloxane sensors for oxygen

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The luminescence quenching of ruthenium(II)-tris(1,10-phenanthroline) and ruthenium(II)-tris(4,7-diphenyl-1,10-phenanthroline) by oxygen in films of commercial polydimethylsiloxane was studied by steady state and time-resolved methods. The decay kinetics is not monoexponential in the absence and in...

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Detalles Bibliográficos
Autor principal: Bossi, M.L
Otros Autores: Daraio, Marta Edit, F. Aramendía, P.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: Elsevier 1999
Acceso en línea:Registro en Scopus
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Aporte de:Registro referencial: Solicitar el recurso aquí
Biblioteca Central Dr. Luis F. Leloir (FCEN) de Universidad de Buenos Aires
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100 1 |a Bossi, M.L. 
245 1 0 |a Luminescence quenching of Ru(II) complexes in polydimethylsiloxane sensors for oxygen 
260 |b Elsevier  |c 1999 
270 1 0 |m Bossi, M.L.; Depto. de Quim. Inorgánica, Analitica Y Quim. Fis., Fac. Cie. E., Buenos Aires, Argentina 
504 |a Sawyer, D.T., Sobkowiak, A., Roberts J.L., Jr., (1995) Electrochemistry for Chemists, , Wiley, New York 
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506 |2 openaire  |e Política editorial 
520 3 |a The luminescence quenching of ruthenium(II)-tris(1,10-phenanthroline) and ruthenium(II)-tris(4,7-diphenyl-1,10-phenanthroline) by oxygen in films of commercial polydimethylsiloxane was studied by steady state and time-resolved methods. The decay kinetics is not monoexponential in the absence and in the presence of oxygen. It can be accurately described in all cases by the function exp(-Bt1/2), a particular case of the stretched exponential behaviour often found in solid media. The steady state and integrated time-resolved quenching efficiency coincide and show a downward curvature as a function of oxygen partial pressure. This dependence is explained by assuming a Freundlich type adsorption of oxygen in the dopants of the polymer. Both complexes render the same dependence of adsorbed oxygen on its partial pressure.  |l eng 
536 |a Detalles de la financiación: Universidad de Buenos Aires, EX-025 
536 |a Detalles de la financiación: Volkswagen Foundation 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas 
536 |a Detalles de la financiación: PFA is Research staff of CONICET (Consejo Nacional de Investigaciones Cientı́ficas y Técnicas, Argentina). MB thanks Fundación Antorchas for a student fellowship. The research was supported by University of Buenos Aires (Grant EX-025) and Volkswagen Foundation, Germany. 
593 |a Depto. de Quim. Inorgánica, Analitica Y Quim. Fis., Fac. Cie. E., Buenos Aires, Argentina 
690 1 0 |a LUMINESCENCE 
690 1 0 |a OXYGEN 
690 1 0 |a POLYMER 
690 1 0 |a QUENCHING 
690 1 0 |a RUTHENIUM(II) DIIMINES 
700 1 |a Daraio, Marta Edit 
700 1 |a F. Aramendía, P. 
773 0 |d Elsevier, 1999  |g v. 120  |h pp. 15-21  |k n. 1  |p J. Photochem. Photobiol. A Chem.  |x 10106030  |w (AR-BaUEN)CENRE-334  |t Journal of Photochemistry and Photobiology A: Chemistry 
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856 4 0 |u https://doi.org/10.1016/S1010-6030(98)00418-3  |x doi  |y DOI 
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