Photodeposition of molybdenum sulfide on MTiO3 (M: Ba, Sr) perovskites for photocatalytic hydrogen evolution

•Photocatalytic hydrogen production was carried out under visible light with surface-modified perovskites SrTiO3 and BaTiO3.•For the first time, the photocatalytic HER performance of MoSx loading by photodeposition on the surface of SrTiO3 and BaTiO3 perovskites were investigated.•The photocatalytic hydrogen production amount of SrTiO3 loaded with MoSx by photodeposition on its surface increased 18 fold compared to unmodified SrTiO3.•MoSx loaded SrTiO3 showed comparably higher photocatalytic hydrogen production than Pt loaded SrTiO3.