Facile Preparation of Porous Inorganic SiO₂ Nanofibrous Membrane by Electrospinning Method

Figure 7

Nitrogen physisorption isotherms of SiO₂NF-20, SiO₂NF-50, and SiO₂NF-75 fibrous membranes. The “solid circles” and “empty circles” represent the adsorption and desorption curve, respectively.