Fig. 4. Photocatalytic hydrogen generation rate (A) by TiO2 calcined at different temperatures, cycling tests of photocatalytic hydrogen generation (B), the single-wavelength photocatalytic hydrogen evolution rate and the corresponding apparent quantum efficiency (AQE) (C) and AQE for amplifying single-wavelength light at 420 and 520 nm (D) of H500-BMR/ATM (a) and MR/ATM (b), respectively.
