Fig. 3From: Transparent PAN:TiO2 and PAN-co-PMA:TiO2 Nanofiber Composite Membranes with High Efficiency in Particulate Matter Pollutants FiltrationDiameter distribution of different PAN type (3% TiO2) nanofibers: (a) PAN:TiO2, (b) PAN-co-PMA:TiO2, and (c) average pore size and permeability of PAN:TiO2 and PAN-co-PMA:TiO2 nanofiber membranesBack to article page