Figure 4From: Improvement in the photoelectrochemical responses of PCBM/TiO2 electrode by electron irradiationBand structure of PCBM after electron beam irradiation of different fluences. (a) Non-irradiated PCBM. (b) Irradiated PCBM at 3.6 × 1016, (c) 7.2 × 1016, and (d) 1.44 × 1017 cm-2.Back to article page