資源描述:
《Selective synthesis of copper nanoplates and nanowires via a surfactant-assisted hydrothermal process.pdf》由會員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、MaterialsChemistryandPhysics120(2010)1–5ContentslistsavailableatScienceDirectMaterialsChemistryandPhysicsjournalhomepage:www.elsevier.com/locate/matchemphysMaterialssciencecommunicationSelectivesynthesisofcoppernanoplatesandnanowiresviaasurfactant-assistedhydrothermalpr
2、ocessShulingXua,XunSunb,HongYea,TingYoua,XinyuSonga,?,SixiuSuna,?aKeyLaboratoryofColloidandInterfaceChemistry,MinistryofEducation,SchoolofChemistryandChemicalEngineering,ShandongUniversity,27ShandaSouthRoad,Jinan,Shandong250100,PRChinabStateKeyLaboratoryofCrystalMateria
3、ls,ShandongUniversity,27ShandaSouthRoad,Jinan,Shandong250100,PRChinaarticleinfoabstractArticlehistory:Afacilesolution-phaseprocesshasbeendemonstratedfortheselectivepreparationofsingle-crystallineReceived12October2008CunanoplatesandnanowiresbyreducingCu+withascorbicacid(
4、VC)inthepresenceofcetyltrimethy-Receivedinrevisedform27August2009lammoniumbromide(CTAB)orcetyltrimethylammoniumchloride(CTAC).TostudytheformationAccepted31October2009processofnanoplatesandnanowires,samplesobtainedatvariousstagesofthegrowthprocesswerestudiedbyTEMandXRD.T
5、hepossiblemechanismwasdiscussedtoelucidatetheformationofdifferentKeywords:morphologiesofCunanostructures.UV–visspectraoftheCunanoplatesandnanowireswererecordedNanostructurestoinvestigatetheiropticalproperties,whichindicatedthattheas-preparedCunanostructuresexhibitedCrys
6、talgrowthmorphology-dependentopticalproperty.ChemicalsynthesisTransmissionelectronmicroscopy?2009ElsevierB.V.Allrightsreserved.1.IntroductionthesisofanisotropicCunanocrystal.Twodifferentmorphologies,nanoplatesandnanowireswereobtainedbyutilizingdifferentsur-Inthepastfewy
7、ears,muchefforthasbeendevotedtothefactants.Plate-likeCucrystalsweresynthesizedwhenCTABwascontrolledsynthesisofmetalnanostructuresbecauseoftheirusedassurfactant,whilewire-likestructureswereobtainedifCTABuniquechemicalandphysicalpropertiesthataredifferentfromwassubstitute
8、dbyCTAC.thoseofthebulkmaterials[1].Amongallmetals,Cuisthemostcommonlyusedinelectricalconductivityowingtoitslow