Research Article

Photoelectrochemical Properties of Porous Si/TiO2 Nanowire Heterojunction Structure

Figure 5

Photoelectric catalytic degradation efficiency () of porous Si/TiO2 nanowire heterostructure, Si/TiO2 nanowire, porous Si, and Si wafer for degradation of MB under the simulated (a) solar light and (b) visible light irradiation (bias potential is 1.5 V vs. Ag/AgCl).
(a)
(b)