Figure 3.
Photocatalytic activity of g-C3N4/MS under visible-light irradiation: (A) NO removal ratios of different samples; (B) Photocatalytic recycling test on large area g-C3N4/MS; (C) Production rate of CO, CH4 and H2 on g-C3N4, g-C3N4/MS respectively in photocatalytic CO2 reduction under UV-Vis light irradiation.