Photoelectrochemical Activity of Graphene Supported Titanium Dioxide

Figure 4

(a) Linear sweep voltammetry for TiO₂/FLG/Si system, (b) photocurrent density plots versus time, at different potentials, and alternating cycles of light and darkness for TiO₂/Si, (c) chronoamperometry for the TiO₂/FLG/Si system at different voltages, and (d) photocurrent density plots for TiO₂/FLG/Si sample.

(a)

(b)

(c)

(d)