Figure 3

Nitrogen adsorption-desorption characterization of MPG.
(a) Nitrogen adsorption-desorption isotherms of the MPG; (b) the pore size distribution of the MPG.
Nitrogen adsorption-desorption characterization of MPG.
(a) Nitrogen adsorption-desorption isotherms of the MPG; (b) the pore size distribution of the MPG.