嵌段共聚物自组装纳米薄膜

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1、Free-StandingNanomaterialsfromBlockCopolymerSelf-Assemblyllye88化学所MainReferenceOutlineIntroductionExperimentalPartResultsandDiscussionConclusionsInnovationsandProblemsReferences1.IntroductionAmphiphilicblockcopolymers(BCs)couldcontrolmaterialinterfaces.The3Dconstruction

2、isdirectedbytheassemblyofBCsmicellespreparedinsituduringthespin-coatingoftheblockcopolymersolution.BCsinselectivesolventleadtothepreparationofcore-shellmicelleswithadenseinsolublecoreandadiffuseshellpartiallyswollenbythesolventadenseinsolublecore内核micellesadiffusecorona

3、核冠Inthiswork，thepreparationofstablenanostructureassembliesinonestepfromhomogeneoussolutionsofABAtriblockcopolymers.Thesuccessofthisstrategyisessentiallyduetothedesignofverystablemicellespreparedandself-assembledinsituinfewsecondsbysolventevaporationSelf-AssemblyNanomate

4、rialsTheglassyPSANblockswillenabletheformationofcompactaggregatesconstrainingthemicellestobekineticallyfrozenatroomtemperaturewhereastheflexiblePEOblockwillenablethedynamictransitionsbetweenloopedandbridgedchainconformations.loopedbridgedPhotonCrossCorrelationSpectrosco

5、pyPhotonCrossCorrelationSpectroscopy（PCCS），光子交叉相关光谱法PCCS已用于纳米颗粒粒径测量,其技术日益成熟并成为纳米颗粒粒径测量的有效方法。其测量原理是建立在颗粒的布朗运动之上。随着颗粒的布朗运动,散射光强围绕某一平均值不断起伏涨落。PCCS可以直接测试高浓度试样而不需要稀释。测量结果完全真实的反映了被测试样品的实际粒度及分布状态PCCS测定的参数为：平均粒径和多分散指数吴立敏，王晓艳.纳米、亚微米颗粒粒度的测量——光子相关光谱法,《上海计量测试》，2003年30卷3期2.Experimen

6、talPartSythesisoftheTriblockCopolymera.EsterificationPEO+AcryloyolChloride（丙烯酰氯）PEO-acrylate(I)b.IntermolecularRadicalAdditionI+MAMA-SGIalkoxyaminemacroalkoxyamine-basedPEO(II)c.PreparationofTriblockCopolymerII+Styrene+ArylonitrileP(St317-co-AN262)-b-PEO795-b-P(St-co-AN

7、)PreparationofPolymerFilmsa.DissolvingtheTriblockCopolymerinaDMF/toluenemixtureb.Spin-coatingthehomogeneoussolutionontoaSiwaferevaporatesolventSyntheticProducure3.ResultsandDiscussionSythesisoftheTriblockCopolymerPrecursorPreparationofParticleNanomaterialPreparationof“S

8、piderWeb”Nanomterial3.1PreparationofParticleNanomaterialThepreparationofsuperstructurehomogeneoussolution:PSAN