Figure 8

Raman spectrums of the samples. Raman spectrum of sample gx-15 (a): 2095 cm^-1(s) - vas(C–N), 2154 cm^-1(vs) - vs(C–N); sample zx1-8 (b): 461 cm^-1 (w), 788 cm^-1 (w) - δ(Si–O), 1093 cm^-1 (w) - v(Si–O); sample zb2-3 (c): 153 cm-1(m) - γs (Cl–Cu–Cl), 175 cm^-1(m) - γ(O–Cu), 250 cm-1(m), 278 cm-1(m) - δ(O–Cu–O), 401 cm-1(vs), 446 cm-1(vs), 512 cm-1(vs) - γs(O–Cu–O), 778 cm-1(w), 850 cm-1(m), 895 cm-1(m) - δ(Cu–O–H).