Figure 3

FT IR spectra of (a) [TPHPP], (b) [Co(II) TPHPP], (c) Chitosan, (d) N-Phthaloyl Chitosan, (e) acetylated N-Phthaloyl Chitosan, (f) [Co(II) TPHPP]-N-Phthaloyl Chitosan, (g) [Co(II) TPHPP]-Chitosan, (h) Graphene oxide, (i) [Co(II) TPHPP]-Cs/GO nanocomposite.