Simple synthesis and characterization of mesoporous (N, S)-codoped TiO2 with enhanced visible-light photocatalytic activity

Mesoporous (N, S)-codoped TiO2 was simply prepared by a solvothermal method with thiourea as N and S source. The as-prepared products were characterized by XRD, SEM, XPS, BET and UV–vis. The results confirm that N and S have been incorporated into the lattice of anatase TiO2, which brings an obvious red-shift of the absorption edge into visible-light region. Moreover, the codoped products exhibit high photocatalytic activity under the visible-light irradiation.