Fig. 2

(a) FTIR spectrum, (b) X-ray diffraction (XRD) pattern, (c) SEM micrograph, (d) TGA traces, for the OCMNs. (e) Dependence of zeta potential on the pH of OCMNs (the IEP was determined at pH = 6.3).

(a) FTIR spectrum, (b) X-ray diffraction (XRD) pattern, (c) SEM micrograph, (d) TGA traces, for the OCMNs. (e) Dependence of zeta potential on the pH of OCMNs (the IEP was determined at pH = 6.3).