Obtaining ultra-long copper nanowires via a hydrothermal process.pdf

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1、HomeSearchCollectionsJournalsAboutContactusMyIOPscienceObtainingultra-longcoppernanowiresviaahydrothermalprocessThisarticlehasbeendownloadedfromIOPscience.Pleasescrolldowntoseethefulltextarticle.2005Sci.Technol.Adv.Mater.6761(http://iopscience.iop.org/1468-6996/6/7/A09)Viewthetableofcontentsforth

2、isissue,orgotothejournalhomepageformoreDownloaddetails:IPAddress:202.112.140.158Thearticlewasdownloadedon21/06/2011at14:24Pleasenotethattermsandconditionsapply.TheSTAMarchiveisnowavailablefromtheIOPPublishingwebsitehttp://www.iop.org/journals/STAMScienceandTechnologyofAdvancedMaterials6(2005)7617

3、65www.elsevier.com/locate/stamObtainingultra-longcoppernanowiresviaahydrothermalprocessYuShi,HongLi,LiquanChen,XuejieHuang*NanoscalePhysicsandDevicesLaboratory,InstituteofPhysics,ChineseAcademyofSciences,P.O.Box603,Beijing100080,ChinaReceived15March2005;revised10June2005;accepted10June2005Availab

4、leonline13September2005Abstract5Ultra-longanduniformcoppernanowireswithcontrollablediametersof30100nm,lengthuptoseveralmillimeters(aspectratioO10)andtunablecrystallinitywereobtainedbyhydrothermalprocessingthecomplexemulsionofcopper(II)chlorideandODAat1201808C.BothXRDpatternandEDXspectrumindicated

5、thattheproductswerepurecopperwithoutanyobservableimpurities.ItisobservedbyFESEMthatthediametersandaspectratiosofthesynthesizedcoppernanowireswereinfluencedbytheconcentrationofODAandreactiontemperature.HRTEMimagesandSAEDpatternsrevealedthatthecrystallinityofcoppernanowireswerestronglydependentonthe

6、synthesistemperatures.Poly-andsingle-crystalcoppernanowireswereobtainedat1208Cand1808C,respectively.q2005ElsevierLtd.Allrightsreserved.Keywords:Coppernanowires;Hydrothermal;Octadecylamine1.Introductionapproachesalwaysneedtediousproceduretoremovethematrix[912],orrequirecomplexapparatusandrigorousG

7、old,silverandcoppernanowireshavedrawnlargeprocessingconditions[1315].Theaspectratiooftheattentioninrecentyearsowingtotheirunusualphysicalproducednanowiresislimitedandtheyieldrateisrelativelypropertiesandpotentialapplic