Cosensitization Properties of Glutathione-Protected Au₂₅ Cluster on Ruthenium Dye-Sensitized TiO₂ Photoelectrode

Figure 4

IPCE of (a) N719-sensitized TiO₂ photoelectrode and after addition of (b) 1 mM and (c) 0.1 mM of glutathione.