Extended Data Fig. 7: Theoretical simulation.
From: Solar-to-hydrogen efficiency of more than 9% in photocatalytic water splitting
a–c, Geometry structures of reaction steps in hydrogen–oxygen recombination on the cocatalyst (a) Co3O4, (b) Rh and (c) Cr2O3. The results suggested that the desorption of product water was the rate-determining step in hydrogen–oxygen recombination on Co3O4 and Cr2O3. Besides, this also implied that water tended to be adsorbed on Co3O4 and Cr2O3, which inhibited the further hydrogen–oxygen adsorption or recombination on them.
