Quantum dot–polymethacrylate composites for the analysis of NOx by fluorescence spectroscopy
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http://dx.doi.org/10.1016/j.ica.2011.09.052 |
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Título
Quantum dot–polymethacrylate composites for the analysis of NOx by fluorescence spectroscopyAutoría
Fecha de publicación
2012Editor
ElsevierISSN
0020-1693Cita bibliográfica
Inorganica Chimica Acta, 2012, February, Vol. 381, p. 212-217Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.sciencedirect.com/science/article/pii/S0020169311007948Palabras clave / Materias
Resumen
A new type of hybrid materials composed by core–shell (CdSe/ZnS) quantum dots adsorbed on polymethacrylate surfaces has been synthesized and characterized, specially by means of time-resolved fluorimetry. The ability ... [+]
A new type of hybrid materials composed by core–shell (CdSe/ZnS) quantum dots adsorbed on polymethacrylate surfaces has been synthesized and characterized, specially by means of time-resolved fluorimetry. The ability of such materials to sense NO and NOx has been tested, with promising results. Fluorescence quenching measurements afford limits of detection of ca. 0.1 ppm for NO and of ca. 1.0 ppm for NOx, which opens the way for the development of new materials with analytical applications. [-]
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© 2011 Elsevier B.V. All rights reserved.
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