Raman studies on a heavily distorted polycarbonate sample - Raman-Untersuchungen an einer stark deformierten Polycarbonat-Probe
J. Debus, D. Dunker

TL;DR
This study uses Raman spectroscopy to analyze how mechanical deformation affects the molecular vibrations in polycarbonate, revealing stress-induced changes in CH-stretching modes but not in double bonds.
Contribution
It provides detailed Raman spectral analysis of heavily deformed polycarbonate, highlighting stress effects on specific vibrational modes and suggesting experimental improvements.
Findings
CH-stretching modes show strong intensity variations under stress
Double bonds do not indicate structural changes in deformed polycarbonate
Spectral position and line width vary with deformation level
Abstract
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…
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Taxonomy
TopicsSpectroscopy Techniques in Biomedical and Chemical Research · Spectroscopy and Chemometric Analyses · Mass Spectrometry Techniques and Applications
