Figure 6.
Brunauer–Emmett–Teller (BET) nitrogen adsorption-desorption isotherms of pure g-C3N4, Ag/g-C3N4, Ag/TiO2/g-C3N4-1, Ag/TiO2/g-C3N4-2 and Ag/TiO2/g-C3N4-3.
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