Depth profiling of polymer films by confocal raman spectroscopy

SPELLS, S. J., REINECKE, H., SACRISTAN, J., YARWOOD, J. and MIJANGOS, C. (2003). Depth profiling of polymer films by confocal raman spectroscopy. Macromolecular symposia, 203.

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Abstract

Confocal Raman microspectroscopy has many potential applications in the study of polymer-solvent interactions, including the determination of solvent and polymer-solvent complex depth profiles. This contribution focuses on preventing the formation of polymer-solvent complexes, using surface chemical modification of PVC films. While the surface-specific nature of the film modification is easily demonstrated, confocal Raman measurements clearly show the effects of film refractive index: the modifier depth profile shows a lack of symmetry and the film thickness is underestimated. A spectral normalisation method is described, and this is shown to result in a modifier depth profile which is in good agreement with data obtained by Raman microspectroscopy following physical cross-sectioning of a sample. Alternative techniques for Raman depth profiling are also discussed

Item Type:	Article
Additional Information:	Copyright © 2003 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Research Institute, Centre or Group:	Materials and Engineering Research Institute > Polymers Nanocomposites and Modelling Research Centre > Polymers, Composites and Spectroscopy Group
Identification Number:	10.1002/masy.200351313
Depositing User:	Ann Betterton
Date Deposited:	16 Aug 2007
Last Modified:	13 Sep 2010 14:37
URI:	http://shura.shu.ac.uk/id/eprint/944

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