碳納米管修飾玻碳電極的研究和應(yīng)用.pdf

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

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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