Fabrication of binary g-C₃N₄/UU-200 composites with enhanced visible-light-driven photocatalytic performance toward organic pollutant eliminations.

The arc radius on the EIS Nyquist plot shows a clear trend of charge transfer behavior in the three different photocatalysts, which correlates with interfacial charge transport resistance; generally, a small arc radius is indicative of a fast charge transfer rate on the catalyst surface. 60,61 As expected, the EIS Nyquist plot of the 40% g-C 3 N 4 /UU-200 composite showed a smaller arc radius than that of UU-200, which means that the separation and migration of charge carriers was enhanced in the 40% g-C 3 N 4 /UU-200 composite.

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