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Table 1 Characteristic vibrations of PA66 and PA66 coated with Au NPs

From: Polyamide 66 microspheres metallised with in situ synthesised gold nanoparticles for a catalytic application

Characteristic groups PA66
PA66 coated with Au NPs (cm-1)
N-H Stretching vibration 3,298 3,396
N-H Bending vibration 686 684
C = O Stretching vibration 1,631 1,631
N-H Bending vibration 1,536 1,533
-CH2- Stretching vibration 2,933 2,933
  1. PA66, polyamide 66; Au NPs, gold nanoparticles.