fig23
Figure 23. (A) Scavenger test experiments of the optimized CdS/SiO2 photocatalyst with different scavengers at a constant concentration (24 mM) over a 12-h reaction period; (B) In situ, EPR spectra of CdS and CdS/SiO2 composites in CH3CN solution saturated with argon (Ar) in the presence of a DMPO scavenger; (C) Graphic diagram of simultaneous photocatalytic production of H2 and hydrobenzoin[102]. Copyright 2020, American Chemical Society. EPR: Electron paramagnetic resonance; DMPO: 5, 5-dimethyl-1-pyrroline N-oxide.
