电热法液态气相催化制备碳纳米管的分析

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1、ABSTRACTELECTRO-THERMALGASEOUSCATALYSISINLIQUIDPHASESYNTHESISOFCARBONNANOTUBESABSTRACTCarbonnanotubes(CNTs)hasexcellentpropertiesandwidepotentialapplication.TheinvestigationonCNTshasbecomeahottopicintheworld.Somelowcost,easy-to-operateandenvironmentallyfriendlymethodshasbeenexploredfo

2、rseveralyears.Inthispaper,alowcost,easy-to-operateandenvironmentallyfriendlymethodhasbeendevelopedforsynthesisofcarbonnanotubesbysimplyelectro-thermalheatingasubstrateinorganicliquids.WeusedSiasthesubstratescoveredwithathin(about5nm)Fefilm.Thissubstrateswereelectricallyheatedtotheexpe

3、ctedtemperatureinorganicliquid.Thecarbonnanotubesweregrownonthesubstratesbyusinghydrocarbonsuchasethanol.Westudiedtheeffectofusinghydrocarboninthismethods,andinspectsthefeasibilityofthismethods,andsoughttheoptimumparameter.Then,wetriedtousetheorganicwateswaterasthecarbonsourcetosynthe

4、sizecarbonnanotubesbythismethods.Themainresearchesinthispaperareasfollows:Ⅳ万方数据ABSTRACT1.Weusedethanolasthecarbonsourcebyourmethodstosynthesizethecarbonnanotubes.TheresultsbySEMandTEMshowedthattheCNTsweregrowninjustonehour,andthesampleconsistsagreatdealofnanotubes.Itfullyprovedthefeas

5、ibilityofthemethodinthispaper.2.Waterwasintroducedintothecarbonnanotubesgrowthreactiontostudytheeffectofwateronthecarbonnanotubes.ThesamplewascharacterizedbySEMandTEM.Theresultsshowedthat,theCNTssynthesizedfromthesuitableamountofwaterwasoutstanding,toomuchortoolittlewaterbothaffectedt

6、heCNTsyield.3.Acid-Basewasintroducedintothecarbonsourcetostudytheeffectofacid-baseontheCNTs.TheresultsbySEMandTEMshowedthat,withaddingsuitablealkalinity,CNTsyieldcanhaveaincreaseinthecontrastofacidity.4.Weusedotherhydrocarbonasthecarbonsourceandstudiedtheeffecttocarbonnanotubesgrowthr

7、eaction.TheresultsshowedthatavarietyofhydrocarbonhadthefeasibilitytosynthesizetheCNTs.5.WetriedtousedtheorganicwastewaterasthecarbonsourcetosynthesizetheCNTs,butwefailedastheresult.Themainreasonmaybetheorganicwastewatercontainstoomuchwater.Keywords:CarbonNanotubes,SynthesisⅤ万方数据目录目录摘要

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