Figure 3

The morphological studies and N2 adsorption-desorption isothermal plots of CNG composites.
The SEM images of (a) CNG-DMF (b), CNG-EtOH, and (c) CNG-H2O (all presented in the same scale). The N2 adsorption–desorption isothermal and pore size distribution plots (insets) of (d) CNG-DMF, (e) CNG-EtOH, and (f) CNG-H2O.