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1、CurrentOpinioninColloid&InterfaceScience14(2009)103–114ContentslistsavailableatScienceDirectCurrentOpinioninColloid&InterfaceSciencejournalhomepage:www.elsevier.com/locate/cocisSelf-assemblyofphotoniccrystalsfrompolymercolloidsJunhuZhang,ZhiqiangSun,B
2、aiYang⁎StateKeyLabofSupramolecularStructureandMaterials,CollegeofChemistry,JilinUniversity,Changchun130012,PRChinaarticleinfoabstractArticlehistory:Thisarticlereviewsrecentdevelopmentsinself-assemblyofpolymercolloidsintocolloidalcrystals,agoodReceived
3、15April2008candidatematerialforphotoniccrystals.Self-assemblystrategyhasdevelopedasafacileandefficientReceivedinrevisedform3August2008methodtofabricatecolloidalcrystals.MuchresearchworkhasbeenfocusedoncontrollingthemorphologyAccepted2September2008andim
4、provingthequality,aswellasfindingapplicationsofthecolloidalcrystals.Availableonline16September2008©2008ElsevierLtd.Allrightsreserved.Keywords:Self-assemblyPhotoniccrystalsPolymercolloidsColloidalcrystals1.Introductionspecificdirectionsisprohibited.Collo
5、idalcrystalsarecandidatesforconstructingphotoniccrystalsatvisibleandnear-infraredwave-Photoniccrystalsareperiodicopticalmaterialsorstructuresthatlengths,iftheypossessenoughrefractiveindexcontrastandproperaredesignedtoaffectthemotionofphotonsinasimilar
6、waythatpackingorderanddensity[4•].periodicityofsemiconductorcrystalsaffectthemotionofelectrons.CrystalqualityandcrystallatticeareamongthemostimportantEssentially,photoniccrystals,whicharealsoknownasphotonicparametersdeterminingtheperformanceofcolloida
7、lcrystalsinbandgapmaterials,containregularlyrepeatinginternalregionsofopticalapplications.Colloidalcrystalstypicallycontainahighdensityhighandlowdielectricconstantontheorderofthewavelengthofofdefectssuchasstackingfaults,vacancies,anddislocations.Tomee
8、tlight.Withsufficientdielectriccontrastandappropriategeometry,thestringentrequirementsofopticalapplications,theirdegreeofthesematerialscanstronglyconfineandcontrolthepropagationofstructuralperfectionandopticalqualitymustmeetanexceptionallylight.
