%0 Journal Article
%T SizedependenceofphotocatalyticoxidationreactionsofRhnanoparticlesdispersedon(Ga1-xZnx)(N1-xOx)support
%A Yi Zhang
%A D. A. J. Michel Ligthart
%A Peng Liu
%A Lu Gao
%A Tiny M. W. G. M. Verhoeven
%A Emiel J. M. Hensen
%J ´ß»¯Ñ§±¨
%P 1944-1954
%D 2014
%R 10.1016/S1872-2067(14)60181-9
%X £¿MixedGa-Znoxynitridesweresynthesizedusingcoprecipitation,wet-precipitation,andsolid-solutionmethods.TheoxynitrideswereusedassupportsforRhnanoparticlecatalystsinphotocatalyticwatersplitting,COoxidation,andH2oxidation.MixedGa-Znoxynitridesproducedbywetprecipitationandnitridationhadgoodvisible-light-absorptionpropertiesandhighsurfaceareas,sotheywereusedtosupportuniformlysizedpoly(vinylpyrrolidone)-stabilizedRhnanoparticles.Thenanoparticlesizerangewas2-9nm.ThesecatalystshadnegligibleactivityinphotocatalyticH2productionbywatersplittingwithmethanolasasacrificialagent.OthermixedGa-Znoxynitrideswerealsoinactive.AreferencesampleprovidedbyDomenalsoshowedverylowactivity.TheinfluenceofparticlesizeonRh-catalyzedoxidationofCOandH2wasinvestigated.ForCOoxidation,theactivitiesofsmallparticleswerehigherforparticleswithhigherRhoxidationdegrees.TheoppositeholdsforH2oxidation.
%K Oxynitride
%K Rhodiumnanoparticle
%K Watersplitting
%K Carbonmonoxideoxidation
%K Hydrogenoxidation
%U http://www.chxb.cn/CN/abstract/abstract21455.shtml