Fig. 7. Hydrogen generation activities of bulk g-C3N4, bulk r–TiO2, r–TiO2/g-C3N4, r–TiO2/g-C3N4, Ag@r–TiO2, Ag0.5@r–TiO2/g-C3N4, Ag1.0@r–TiO2/g-C3N4, Ag1.5@r–TiO2/g-C3N4, Ag2.0@r–TiO2/g-C3N4, and Ag2.5@r–TiO2/g-C3N4 in deionized water and seawater; (a & b) mmol g−1 and (c & d) mmol g−1 h−1 durability test for the high-performance photocatalysts (Ag2.0@r–TiO2/g-C3N4) in (e) deionized water and (f) seawater.
