Photocatalysis technology is an efficient method for removing nitrogen oxides at low concentrations.Herein,dimension-matched Sb2WO6/BiOBr photocatalysts were synthesized at room temperature via precipitation-deposition way.Under visible light irradiation,the as-obtained Sb2WO6/BiOBr photocat-alysts showed enhanced photocatalytic performance compare with the pure Sb2WO6 and BiOBr for removal of NO.The optimal ratio for photocatalytic performance of Sb2WO6/BiOBr composite was found to be 30 wt.％ of Sb2WO6,which showed excellent recycling property even after 5 runs.Moreover,in situ DRIFT was carried out to reveal the time-dependent evolution of reaction intermediates during photocat-alytic NO oxidation.The probable photocatalytic mechanism was considered based on the active species capture experiments.The enhanced photocatalytic performance for the Sb2WO6/BiOBr composite photo-catalyst perhaps is attributed to the interaction between BiOBr and Sb2WO6 and S-scheme charge transfer path.