The　membrane　surface　property　is　one　of　the　most　important　factors　that　influence　the　solution　diffusion-controlled　pervaporation　process.　In　the　present　study,　a　superhydrophilic　nanohybrid　membrane　was　successfully　prepared　by　in　situ　ultraviolet　irradiation　of　titanium　dioxide　(TiO2)　nanoparticles　imbedded　in　polyelectrolyte　complexes.　The　TiO2　precursor　solution　was　dynamically　filtered　through　a　layer-by-layer-assembled　poly(ethyleneimine)/poly(acrylic　acid)　multilayer　under　a　specific　pressure.　Subsequently,　ultraviolet　radiation　was　used　to　improve　the　hydrophilicity　of　the　nanohybrid　membranes　via　photoinduction　of　the　superhydrophilic　property　of　the　TiO2　nanoparticles.　When　the　membranes　were　irradiated,　the　surface　contact　angle　decreased　from　62　degrees　to　3　degrees,　which　is　characteristic　of　a　superhydrophilic　membrane　surface.　The　pervaporation　performance　of　the　membrane　for　separating　alcohol/water　mixtures　was　investigated.　The　water　content　could　be　enriched　from　5　wt%　(in　the　feed)　to　99.89　wt%　(in　the　permeate)　and　the　permeate　flux　was　865　g/(m(2)　h)　in　the　pervaporation　of　the　ethanol/water　mixture.　These　results　indicated　that　the　superhydrophilic　surface　was　beneficial　for　improving　the　pervaporation　dehydration　performance.　(C)　2013　Elsevier　B.V.　All　rights　reserved.