Figure 3

FT-IR spectra of samples synthesized at 60 °C with 65% (w/w) of ZnCl2 solution for different times: (a) 1 h; (b) 2 h and (c) 3 h, respectively.
FT-IR spectra of samples synthesized at 60 °C with 65% (w/w) of ZnCl2 solution for different times: (a) 1 h; (b) 2 h and (c) 3 h, respectively.