fig11

Figure 11. Properties and reaction mechanism study of CZ. (A) UV-vis spectra absorption analysis of CZ and ZnO. (B) MeOH production rate at 220 °C in visible light off and on. (C) activity energy under dark and light conditions calculated using Arrhenius equation for MeOH formation over CZ. (D) in situ DRIFTS spectra with and without light. Reproduced with permission from Ref.[72].