F含量对ZrO_2纳米管形貌和相组成的影响-论文.pdf

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1、第27卷第1期无机材料学报、，0l_27No．12012年1月JournalofInorganicMaterialsJan．。2012ArticleID：1000—324X(2012)01—0107—06DoI：10．3724／SP．J．1077．2011．11411EfectofFluorideContentonMorphologyandPhaseCompositionofZrO2NanotubesxuYing'-，LIUXuan—Yong1DINGChuan—Xian，(1．StateKeyLaboratoryofHi

2、ghPerformanceCeramicsandSuperfineMicrostructure，ShanghaiInstituteofCeramics，ChineseAcademyofSciences，Shanghai200050，China；2．GraduateUniversityofChineseAcademyofSciences，Beijing100039，China；3．KeyLaboratoryofInorganicCoatingMaterials，ShanghaiInstituteofCeramics，Chin

3、eseAcademyofSciences，Shanghai200050，China)Abstract：Thepresentresearchdemonstratesthesignificantinfluenceoffluoridecontentonthemorphology，phasestructureandchemicalcompositionofZrO2nanotubearrayswhichwerepreparedviaadirectelectrochemicalanodi—zationofzirconiumfoilin

4、glycerol—basedelectrolytescomposedof5vo1％H20anddiferentcontentsofNH4FfromO．1mol／Lto1．1mol／L．Theas—preparednanotubearrayswithexternaldiameterof90-130nmandlengthof4．8—9．1Ixmwerecharacterizedbyscanningelectronmicroscope(SEM)，X—raydifraction(XRD)andX—rayphotoelectrons

5、pectrum(XPS)．TheresultsshowthatthehighlyorderedandverticallyalignedtetragonalZrO2nanotubearrayscanbeobtainedintheelectrolytecontaining0．7mol／LNH4FandtheybecomeamorphousatlowerNH4FconcentrationandcollapseathigherNILFconcentration．Moreover,theF／Oatomicrationeartheto

6、psurfaceofnanotubesisalsodependentontheFconcentrationintheelectrolyteKeywords：ZrO2；nanotubearrays；fluoride；tetragonalphase；anodizationZirconia(ZlO2)hasbeenwidelyusedasbiomaterials，manyreportshavebeenpublishedonthefactorsaffectingcatalystsandcoatingsforcorrosionpro

7、tectionduetoitstheformationoforderedZrO，nanotubearraysbyanodi—chemicalandthermalstability，mechanicalstrength，wearzationinFcontaininginorganicandorganicelectro=resistanceandgoodbiocompatibility【．Recently，thelytest一．therearefewresearchesontheinfluencesofbiomedicalus

8、esofnanotubularZr02layerasasupportF—concentration．F—notonlyleadstotheformationofnanotubularstructuref141钔platformforfocaladhesion，cytoskeletonrearrangem