Figure 5From: Improvement in the photoelectrochemical responses of PCBM/TiO2 electrode by electron irradiationCurrent density-potential curves of TiO 2 and PCBM/TiO 2 electrodes irradiated at different electron fluences under illumination. (a) Non-irradiated TiO2 and (b) PCBM/TiO2. PCBM/TiO2 irradiated at (c) 3.6 × 1016, (d) 7.2 × 1016, and (e) 1.44 × 1017 cm-2.Back to article page