碳納米管修飾玻碳電極的研究和應用.pdf

1、華中師范大學碩士學位論文碳納米管修飾玻碳電極的研究和應用姓名：曾艷申請學位級別：碩士專業(yè)：分析化學指導教師：陸光漢20060501AbstractCaI_bonnanotubes(C=NTs)盯ea姍lgcmemsofcarbonhexa90nsthatarefo珊cdintotinytubes，柚dbotlI蚰dsofeachsjnglctubcamd吣cd、)lrithcapsf0瑚edbycarbonrings1meextraor

2、dinaryelcc瞰licpropenyofCNB％ablesthcmtofacilitatc也eelectron仃觚sfcrwhentheyact勰elecm)dematerialsFllnhe瑚ore，thc哪crti船砌udeexcellentadsorptioncapability，掣calspecificsu如cc柚dVariousfIlⅡctionalgroupslinkedonCNrShaveenduedthemwith

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5、i主ldsofMWNrsmodifiedelectmdeswhichhavebeensuccessfIlllyusedtodetennjlleinorganicionswjthhighsenSitivity11lesetwomodifieddectrodeswerech啪cterizedbyusingVariousmetllods，whichgivcusnewinsiglltonthest鄺cturcofmodifiedlayersan

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7、e姐dthenchamctcfizedbyusingscanningeleclronmicmscopy(sEM)，in矗a—red(m)spec咖如delectrochemicalmetllodsT1leMWNrs—chjosallmodjfiedclectrodep0SsessesbolhthefaSdnatingpmpenicSOfMWNTs鋤dtlleselectivelyadsoTptivecapabilityofclljtos

8、anIllpH18H2S04solution，tlleMWNrs—chitosallmodifiedGCexhibitsanractiVcabilityforhigIllysensitivecathodics岫ppingvOlt鋤metricmeasur鋤entofbromideAwideljnearcalibrationfange(3610。79mL11_410。59mL1)wasachievedwitlladetectionlimi

9、tof96xlo。89mL1The1【iⅡe廿cspar鋤etersweremeasurcdbycyclicvoltammetry(C、，)andchronoc01llometryThemech孤ismofelec咖dcrcacti衄wasalsodiscIIssed(2)1’lleMwN玷一cllios觚mod謝eddectrodcexhibitedaIlattractiveabilitytodetennineiodideOperat