▎ 摘　　要

CdSe/reduced graphene oxide/TiO2 films that served as photoanodes for cathodic protection application were prepared by electrochemical deposition. Under visible-light illumination, the open-circuit potential of the composite films coupled with 304 stainless steel could shift to a more negative value and offer an effective photocathodic protection for stainless steel. Moreover, the composite also exhibited stronger photocurrents and greater absorption of solar energy compared to that of pure TiO2 films. The composite can also offer a sufficient cathodic protection even in the dark. In summary, the reduced graphene oxide/CdSe could greatly improve the photocathodic protection properties of TiO2 films. (C) 2015 Elsevier Ltd. All rights reserved.