杯芳烴衍生物L(fēng)B膜研究及分析應(yīng)用.pdf

1、授了單位代碼：!Q4』!研究生學(xué)號：鱧3QQ!l密級：——鄭州大學(xué)碩士學(xué)位論文論文題目：拯羞烴塹生物L(fēng)曼照班窒厘盆扳座用研究生姓名：聞匾妲學(xué)科門類：理學(xué)‘級學(xué)科：化堂專業(yè)：盆析絲堂研究方向：電盆扳絲堂導(dǎo)師、職稱：迨堡趙熬援2007年5月全文摘要閘撕娟7AbstractTheLBtechniqueisanelegantmethodtoinvestigatethefearingmonolayerouthewatersurfaceandtot

2、ransferthefloatingmonolayerontoasuitablesolidsubstrateLBfilmtechniquehasalsoanimportantplaceinphysics，chemistrybiologyandmolecularelectronicstoproduceuniformandhighquailtyorganicthinfilmsThefilmthicknessandmoleculararchi

3、tectureofsuchfilmscaneasilybecontrolledusingtheLBfilmtechnologyCalixarenemoleculesareverypowerfulligandsfurionsandsmallmoleculesandforthisreasontheyhavebeenstudiedwithseveraltechniquesasmodelsforhostguestsystemsduringthe

4、lastyearsAmphiphiliccalixarenesaresuitableLBfilmmaterialsManyofnewamphotericcalixareneshavebeensynthesizedandthestudiesoftheirpropertyandapplicationareinanearlystageofdevelopmentWhereastheadvancementoftheLBtechnique，thes

5、tudieswithitonthecomplexationandstructuralpropertiesofcalixarenewouldbefeasibleandeffectiveWiththisinmind，weinvestigatedthepropertiesofnewcalixarenederivativesmonolayeranditsapplicationinanalyticalchemistryInthispaperthe

6、mainworkandresultsaresummarizedasfollowing：1MonolayerformationandLangmuirBlodegett(LB)filmfabricationofptertbutylsulfonylcalix[4]arene(SCA)atanairwaterinterfaceonsubphaseswithdifferentpHvaluesandsubphasescontainingdiffer

7、entmetalionswereinvestigatedSomeinformationregardingthepackingdensityinmonolayer’molecularorientationandcomplexionbymetalionshasbeenobtainedAttheairwaterinterfacetheamphiphilioSCAmoleculesadoptaconeconformationSCAwithits

8、complexingheadgroupincontactwiththeaqueousphaseCallformmetalcomplexeswithPb”ionspresentintheaqueousphaseTheformationofSCAPbcomplexesleadstochangesintheareaperSCAmoleculeandinthecollapsepressure，aswellaschangesinthepresen

9、tofagreatlotofproton，whichareinagreementwithaparallelperpendicularorientationtranslationAndtherewerenothespecialphenomenonwhentheothermetalionspresentTheresultsshowSCAhasselectiverecognitionforPb”2Aglassycarbonelectrodem

10、odifiedLBfilmsofSCA(includingPb”)WassuccessfullypreparedanditselectrochemicalpropertieswerestudiesbyusingseveralelectrochemicalmethodTheelectreactionprocesswasinvestigatedandsomekineticparameterswereobtainedAtthesametime

11、，thecoordinationnumberofcomplexwasalsocalculatedaccordingtothesurfacecoverageofredoxactivespeciesandareaofpermoleculeonelectrodesurface3Thepropertiesof’theLBfilmofdiaminocalix[4]arenederivative(ACA)anditsanalyticalapplic

12、ationwereinvestigatedACAisabletoformstablemonolayeronpurewaterLBfilmofACAmodifiedglassycarbonelectrodewasadvancedandusedfordeterminingnitriteioninphosphatebufferCalibrationplotwasfoundtobelinearintherangeofl104mol／LtoIxl