不同形貌尺寸金纳米颗粒的制备及其光学性能研究-论文.pdf

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1、Vo1．5No．1．Mar．20l4JournalofMeasurementScienceandInstrumentationSumNo．17SynthesisandopticalpropertiesresearchofgoldnanoparticleswithdifferentmorphologiesxuHong—yan，XUEChen—yang，ZHANGQiang，WANGHui—juan，YUANYan—ling，SUNDong’，XIONGJi—jun(』SchoolofMaterialsScienceandEngineering，NorthUniversityofChina，

2、Taiyuan030051，China；2．NationalKeyLaboratoryforElectronicMeasurementTechnology，NorthUniversity0『’China，Taiyuan030051，China3Departmento{MechanicalandBiomedicalEngineering，CityUniversityo{HongKong，HongKong，ChinaAbstract：Thispaperpresentsanapproachtosynthesisofgoldnanoparticleswithdifferentmorphologi

3、esandinvestigationoftherelationshipbetweenm0rDhol0giesandtheiropticalproperties．Sphericalgoldnanoparticleswithdifferentsizesaresyn．thesizedviareductionmethod．Usingseed—mediatedsolutiongrowthmethod，goldnanoparticleswithshuttle，starandstickshapescanbcobtained．ThesizesandmorphOIOgiesofthegoldnanopar

4、ticlesarecharacterizedbVtransmissionelectronmi—croscopv(TEM)．Thecharacterizationresultsillustratethegrowthprocessofthegoldnanoparticleswithdifferentmorphol—ogies．AbsorptionspectroscopyandRamanspectroscopymeasurementsareperformedtodemonstratetherelationshipbe．tweenthemorphologiesandopticalproperti

5、es．TheresultsofRamancharacterizationshowthatthegoldnanOparticleswithdifferentmorphOIogiescanbeusedtoprobemoleculeswithdifferentconcentrations．Keywords：starshapedgoldnanoparticles；sphericalgoldnanoparticles；surface—enhancedRamanscattering(SERS)；seedmediatedsolutiongrowthmethodCLDnumber：TG146．31Doc

6、umentcode：AArticleID：1674—8042(2【)14)01—0096—07doi：10．3969／jissn．1674—80422014．01．019Owingtouniquefeaturesinelectrical，physicalwhereasstick—．shapedgoldnanoparticlescanbeob．andopticalpropertiesatnanoscale．noblemetaltainedbycontrollingthecomponentofthegrowthnanomaterialshavegreatpotentialinmanyrese

7、archsolution．GoldnanoDarticleswithdifferentpatternsfields，suchasphotography，optoelectrOnics，infor—arecharacterizedbytransmissionelectronmicrosco—mation，biosensors，surface—enhancedRamanscat—PY(TEM)．Theresultsillustrateg