FT-IR spectroscopy was recorded with a spectrometer (Thermo Scientific Nicolet 8700A with an FT Ramana Nicolet NXR module) in the wavelength range 4,000–400 cm-1.
FT-IR spectroscopy was recorded with a spectrometer (Thermo Scientific Nicolet 8700A with an FTRamana Nicolet NXR module) in the wavelength range4,000–400 cm-1.