%0 Journal Article
%T Synthesis,Characterization,andCatalyticActivityofNanocrystallineLa1-xEuxFeO3duringtheCombustionofToluene
%A Seyed Ali HOSSEINI
%A Mohammad Taghi SADEGHI-SORKHANI
%A Leila KAFI-AHMADI
%A Abdolali ALEMI
%A Aligholi NIAEI
%A Dariush SALARI
%J ´ß»¯Ñ§±¨
%P 1465-1468
%D 2011
%R 10.1016/S1872-2067(10)60257-4
%X £¿NanostructuredLaFeO3andsubstitutedLa1-xEuxFeO3(x=0.1,0.15,and0.2)perovskitesweresynthesizedbysol-gelauto-combustionandtheiractivitiesduringthecombustionoftoluenewereevaluated.Thestructureandphysico-chemicalpropertiesoftheperovskiteswerecharacterizedbyX-raydiffraction,Fouriertransforminfraredspectroscopy,scanningelectronmicroscopy,andBETsurfaceareaanalyses.Thecompoundswerecrystallizedasaperovskitephasewithanorthorhombicstructure.Themeanparticlesizeoftheperovskitesincreasedwithanincreaseineuropiumloadingwhilethespecificsurfaceareadecreased.CharacterizationdataconfirmedthatatotalinsertionofEuintoLaFeO3occurredatx¡Ü0.15.However,Eu2O3segregationoccurredtosomeextentespeciallyatx>0.15.ThecatalyticactivityofthecatalystsincreasedsubstantiallywithanincreaseinEusubstitutionintheevaluatedrange.
%K perovskite
%K sol-gel
%K europium
%K volatileorganiccompounds
%K catalyticoxidation
%U http://www.chxb.cn/CN/abstract/abstract20528.shtml