单壁碳纳米管的表面修饰课件.ppt

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1、LiteratureReportSupramolecularsingle-walledcarbonnanotubesnetworkpolymermadebyhybridsofSWCNTsandwatersolublecalix[8]arenesReporter:ZhiMinCui2009.03.18Chem.Commun.2007.4776–4778IntroductionCarbonnanotubes(CNTs)Water-solublep-sulfonatocalix[n]arenesExperimentalsectionSolubilizationofSWCNT

2、swithp-Sulfonatocalixarenes.FormationofsupramolecularSWCNTsnetworkpolymerp-Sulfonatocalixarene(0.0269mmol)wasdissolvedinaqueoussolution(5mL).Tothemixture,purifiedSWCNTs(1mg)wereaddedandsonicatedinlow-energyultrasonicbath(Bransonic2510)for3h,Afterthesonication,insolubleSWCNTswereremovedb

3、ycentrifugation.ConclusionTheapproximateorderofsolubilityofSWCNTsinaqueousmediawithwater-solublecalixarenes:CX4andp-phenolsulfonicacid(insoluble)<

4、X8/SWCNThybridsformedsupramolecularSWCNTsnetworkpolymerbyaddingGuestDimerReferenceJ.Am.Chem.Soc.,2002,124(5),760-761J.Phys.Chem.B,2007,111(23),6520-6526J.Am.Chem.Soc.,2003,125(12),3617-3621J.Am.Chem.Soc.,2003,125(49),15174-15182Langmuir,2000,16(8),3569-3573J.Am.Chem.Soc.2001,123,6201-62

5、02J.Phys.Chem.B,2005,109(16),7605-7609Environ.Sci.Technol.,2008,42(18),6862-6868J.Phys.Chem.C,2007,111(48),17872-17878Thanksforyourattention!碳纳米管和金刚石、石墨、富勒烯一样，是碳的一种同素异形体。由单层或多层石墨片绕中心按一定角度卷曲而成的无缝、中空纳米管。SWNTsDiameter:1-6nmMWNTsDiameter:nm→μm碳纳米管的性质高的机械强度和弹性（强度≥100倍的钢，密度≤1/6倍的钢）优良的导体和半导体特性

6、（量子限域所致）高的比表面积强的吸附性能优良的光学特性缺点：碳纳米管不溶于水和常见的有机溶剂,极大地制约了其应用性能的研究。FunctionalizationofCNTsCovalentfunctionalizationNoncovalentfunctionalizationOrganicFunctionalizationofCarbonNanotubesCovalentfunctionalizationChem.Mater.,2009,21(4),682-694Noncovalentfunctionalizationπ-πstackinginteractionHyd

7、rophobicinteractionInclusionInteractionNH-πandCH-πCH…πinteraction是软酸（烃基的CH）和软碱（π体系）之间的一种弱氢键。Hydrophobicinteraction