Improved photoelectrochemical performance of (Bi1 − xSbx)2S3 photoanodes

► Formation of electrochemical cells with (Bi1 − xSbx)2S3 photoanodes is reported. ► Photoelectrochemical characteristics of (Bi1 − xSbx)2S3 photoanodes are reported. ► Efficiency of cells with (Bi1 − xSbx)2S3 photoanode is higher than that with Bi2S3.