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Synthesized and Application of the Novel Ti02 Colloids  
Synthesized and Application of the Novel Ti02 Colloids
资料类型: PDF文件
关键词: titanium  dio  xide  surfactant  photocatalysis  methyl  orange  
s01-gel  
资料大小: 99K
所属学科: 分子表征
来源: 第六届亚欧研讨会上处理和性能增强聚合物会议文集(2013.6.2-6 武汉)
简介:
TheresearchesonthesynthesisandtheapplicationofnanometerTi02haveattractedmoreandmoreattentionbecauseofitsopticalandelectronicpropertiescl].NovelcolloidalTi02waspreparedaccordingtoourworkc2],thetetrabutyltitanatealcoholsolutionandHN03aqueoussolutionunderthemodificationofsurfactantsincludingTween-80,Span-80andsodiumlaurylsulfate(SLS),respectively.ThephotocatalyticexperimentsforcolloidalTi02werecarriedoutbyUVspectrumunderthelabelingofmethylorange.ThesurfaceareasofcolloidalTi02weremeasuredonazetasizernanoparticleanalyzer,andTEMobservationwascarriedoutwithatransmittanceelectronmicroscope.TheresultsrevealedthatthephotocatalyticpropertyofcolloidalTi02wasimprovedbyaddingofSpan-80andTween-80,andreducedwithlaurylsulfatesodium.UnderUVlightfor55minutes,thephotocatalyticdegradationrateofcolloidalTi02was78.2%,whilecolloidalTi02withTween-80was90.5%,withSpan-80was81.2%,andwithsodiumlaurylsulfatewas72.7%.ThesurfaceareaofcolloidalTi02was0.0979m2/g,withTween-80wasl.70m2/g,withSpan-80was0.756m2/g,withsodiumlaurylsulfatewas0.553m2/g.ThephotocatalyticpropertyofcolloidalTi02wasincreasedbythesurfaceareaofcolloidalTi02.TheparticlesizeofcolloidalTi02withTween-80wasobtainedfrom3t08nmbyTEMimages,whichcorrespondsto(ioi)planeoftheanatasephase.
作者: X. H. Peng , H. Ye
上传时间: 2013-07-03 14:28:32
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