基于环糊精碳纳米管的超分子组装体的构筑

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1、南开大学博士学位论文基于环糊精/碳纳米管的超分子组装体的构筑姓名：梁鹏申请学位级别：博士专业：物理化学指导教师：刘育20070401中文摘要止，使体系完成了发光-猝灭-发光的循环过程。关键词：环糊精碳纳米管分子识别分子组装纳米材料Ⅱ英文摘要AbstractThesynthesis，molecularrecognitionandassemblyofchemicalmodifiedcyclodexu'insandchemicalmodificationofcarbonnanombeshavebecomethesignificanttopicofsupramole

2、cularchemistryandmaterialchemistry．Torevealthemokcularrecognitionandassemblymechanismsofcyclodextrinsandtheirderivatives，aseriesofnovelcyclodextrinderivativeswel／'epreparedandtheirbindingmodg烙andmolecularrecognitionbehaviorsforspecialguestmoleculeswer@investigated．Twokindsofnovelsu

3、pramolecularassemblieswerecomstI'uctedbythederivativesoffkyclodextrinandtheirinclusioncomplex．Theassemblieswerepotentiallyappliedinthefieldsofchemistry，biologyandmaterials．Furthermore，thesolubilizationofthemodificationofcarbonnanotubesWasinvestigated．Andthepotentialapplicationsofth

4、esemethodandmaterialsillthefieldsofthepurificationofcarbonnanotubesandthephoto-electronmaterialsworeexploited．Themajorcontentsof廿listhesisareasfollows：1)UsingtheDNAbaseresidueasmodelmolecules，theselectivebindingbehaviorofmalonamide-bridgedBis(fl-CD)Wasinvestigated．AndweexploredtheD

5、NAphotocleavagaabiiityandmechanismofitswater-solublefuilereneconjugate．Theresultdemonstratedthatowingtotheirsatisfactorywater∞lubil姆andgoodbiochemicalproperties，tIleycouldpotentiallybeusedillbiologicalsystemsandpharmaceuticalchemistry．2)Aseriesofnovelmodifiedcyclodextrinbearingphth

6、alamidegroupworesynthesized．Weinvestigatedtheirbindingabilitywithquinineandquinidineanddiscussedfromtheviewpointsofthesize／shapefRconceptandhydrophobicinteractionbetweenhostsandguests，aswellasthecooperativebindingmechanismoffunctionalgroup．3)Weconstructedaninterlockedbis(polymtaxan

7、e)ofcyciodextrin-porphyrinsystemsmediatedbyfullerenes．ThetopologysU'ucalreofthisassemblyhasbeencomprehensivelyinvestigatedby1HNMlLUV-Visabsorption,fluorescenceⅢ英文摘要spectroscopy，GPC，TGA，TEMandSTM．We湖fmdthattheintroductionofcyclodex'trinsefficientlyprotectstheC=Nbondsinboththecyclode

8、txrin-porphyrinconjuagtean