Fig. 8: Effect of the catalyst on electrochemical activity and on the value of photopotential.
From: Paired photoelectrochemical conversion of CO2/H2O and glycerol at high rate
a, Comparison of the onset potential of electrochemical and PEC glycerol oxidation using PtRu and Ni catalysts. b, Schematic band energy diagram of the illuminated Ni/Si and PtRu/Si photoanodes. E*F,n and E*F,p represent the quasi-Fermi levels of electrons and holes, respectively, while the difference between them shows the measurable photopotential (Vph). CB, conduction band; GS, glass carbon; VB, valence band; Vloss, loss of photopotential.
