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1、Acc.Chem.Res.2002,35,1096-1104FunctionalizedCarbonnanotube-boundcarboxylicacids.Inthefirstcategory,Margrave,Smalley,andco-workersreportedthefluorina-Nanotubes:PropertiesandtionofSWNTs.2,3Invariousalcoholsolvents,thesefunc-tionalizedSWNTsweresolvatedasindividualt
2、ubes,Applicationsmakingitpossibletocarryoutfurthersolutionchemistry.Pekkerandco-workersreportedthehydrogenationofYA-PINGSUN,*KEFUFU,YILIN,ANDcarbonnanotubesviatheBirchreductioninammonia.15WEIJIEHUANGOtherexamplesincludethederivatizationofsmall-diameter(ca.0.7nm)
3、SWNTsreportedbyTourandco-DepartmentofChemistryandCenterforAdvanced13,14workers,theinteractionswithanilinesreportedbyEngineeringFibersandFilms,HowardL.HunterWilsonandco-workers,12thereactionswithnitrenes,ChemistryLaboratory,ClemsonUniversity,Clemson,SouthCarolina
4、29634-0973carbenes,andradicalsreportedbyHirschandco-work-ers,19andthe1,3-dipolaradditionreportedbyPratoandReceivedFebruary1,2002others.20Inthesecondcategoryoffunctionalizationreactions,ABSTRACTthenanotube-boundcarboxylicacidscomefromintrinsicCarbonnanotubescanbe
5、functionalizedviaamidationandes-terificationofthenanotube-boundcarboxylicacids.Thesolubilityorinduceddefects.Thelatterrefertothecreationofofthesefunctionalizedcarbonnanotubesmakesitpossibletoterminalcarbonsintheshorteningofnanotubes,whichcharacterizeandstudythep
6、ropertiesofcarbonnanotubesusinguponoxidationareconvertedtocarboxylicacids.1,21,22solution-basedtechniques.RepresentativeresultsconcerningtheHaddonandco-workersfirstreportedtheuseoftheacidsolubility,dispersion,defunctionalization,andopticalpropertiesgroupsforatta
7、chinglongalkylchainstoSWNTsviaamideofthefunctionalizedcarbonnanotubesarepresented.Severalexamplesfortheuseoffunctionalizedcarbonnanotubesinthelinkages1orcarboxylate-ammoniumsaltionicinterac-fabricationofpolymericcarbonnanocomposites,theprobingoftions.4Sunandco-w
8、orkersshowedthattheesterificationnanotube-moleculeinteractions,andtheconjugationwithbiologi-ofthecarboxylicacidscanalsobeappliedtofunctionalizecalspeciesarehighlighte