Figure 6

N2 adsorption-desorption isotherm and corresponding pore size distribution curve (inset) of (a) TiO2/Ag/SnO2(1 wt%), and (b) TiO2/Ag/SnO2(5 wt%).
N2 adsorption-desorption isotherm and corresponding pore size distribution curve (inset) of (a) TiO2/Ag/SnO2(1 wt%), and (b) TiO2/Ag/SnO2(5 wt%).