Abstract
TiO2/PbS heterojunction with Au doped photoelectrode was fabricated by simple hydrothermal, Chemical bath deposition (CBD) and successive ionic layer adsorption and reaction (SILAR) methods. The photoelectrochemical (PEC) characterizations showed the TiO2/PbS heterojunction with Au doped photoanodes had better PEC performance than TiO2 and certain photoelectrocatalytic degradation ability of RhB. The photocurrent density achieved 4.753 mA/cm2 and the degradation efficiency of RhB could be degraded to 47.4%. The improvement of properties was due to the formation of heterojunction and doped element facilitated the separation and mobility of the photoinduced electrons and holes in photoanode. The photoelectrode may be a good candidate for photoelectrocatalytic degradation.
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