Paper detail

Raman studies on a heavily distorted polycarbonate sample - Raman-Untersuchungen an einer stark deformierten Polycarbonat-Probe

Differently distorted areas on a polycarbonate sample are studied by means of Raman spectroscopy. The various Raman lines, whose energy shifts range between 200 and 3200 cm-1, are compared for different sample positions with respect to their spectral position, intensity and line width. While a double bonding does not indicate a change in the structural characteristics of the distorted polycarbonate, CH-stretching modes show strong Raman intensity differences induced by mechanical stress. Experimental setup modifications are outlooked. Eine Polycarbonat-Probe wird an unterschiedlich stark deformierten Stellen mittels Raman-Spektroskopie untersucht. Die verschiedenen Raman-Linien mit Raman-Verschiebungen in einem Bereich von 200 bis 3200 cm-1 werden fuer die unterschiedlichen Probenstellen hinsichtlich ihrer spektralen Position, Intensitaet und Breite verglichen. Aus den experimentellen Resultaten geht hervor, dass Doppelbindungen nur unzureichend als Indikator fuer strukturelle Veraenderungen innerhalb des deformierten Polycarbonats dienen. Hingegen zeigen CH-Streckungen deutliche Raman-Intensitaetsunterschiede in Abhaengigkeit von dem Polycarbonat-Verspannungsgrad. Ein Ausblick auf experimentelle Erweiterungen wird gegeben.

preprint2012arXivOpen access
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