Journal of Spectroscopy

Research Article

Infrared Spectroscopic Characterization of Photoluminescent Polymer Nanocomposites

Table 3

Observed vibrational modes for PMMA.
Wavenumber (cm−1)Modes of vibration
2994νCH3 
2950νCH3 
1725νCOH 
1481δC–CH3 
1435νCH3δCOH
1387δC–CH3 
1266νOC 
1239νOC 
1190νC–C–O 
1145νCO 
988τCH 
841τCH 
750τCH2νC–C–O