Figure 1.

(a) Raman Spectra of GN and BIOC from 400 ${\mathrm{c}\mathrm{m}}^{-1}$ to 3000 ${\mathrm{c}\mathrm{m}}^{-1}$; (b) FTIR Spectra of Neat PP from 4000 ${\mathrm{c}\mathrm{m}}^{-1}$–400 ${\mathrm{c}\mathrm{m}}^{-1}$; (c) FTIR Spectra of GN and BIOC from 4000 ${\mathrm{c}\mathrm{m}}^{-1}$–400 ${\mathrm{c}\mathrm{m}}^{-1}$.