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Título: | Spectroscopic characterization and Langmuir-Blodgett films of a novel azopolymer material. |
Autor: | Haro Remón, Marta CSIC ORCID; Ross, Daniel J.; Oriol, Luis CSIC ORCID; Gascón, Ignacio CSIC ORCID; Cea, Pilar CSIC ORCID; López, M. Carmen; Aroca, Ricardo F. | Fecha de publicación: | 4-ene-2007 | Editor: | American Chemical Society | Citación: | Langmuir 23(4): 1804-1809 (2007) | Resumen: | Spectroscopic characterization and fabrication of Langmuir and Langmuir−Blodgett (LB) films of an azopolymer−pyridine (PAzPy) are reported. UV−visible absorption and fluorescence spectra, Fourier transform infrared (FTIR) spectra, and Raman spectra were recorded. The vibrational assignment of the observed spectra is supported by a complete geometry optimization, followed by vibrational frequency and intensity computations of both the trans and cis forms of the monomer (AzPy) using density functional theory at the B3LYP 6-31G(d,p) level of theory. Langmuir monolayers of the polymer (PAzPy) were formed at the water−air interface, and LB films of high quality were formed onto solid substrates. The polymer LB films were investigated by surface-enhanced Raman scattering. | Versión del editor: | http://dx.doi.org/10.1021/la061491p | URI: | http://hdl.handle.net/10261/19145 | DOI: | 10.1021/la061491p |
Aparece en las colecciones: | (ICMA) Artículos |
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