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1、PERSPECTIVEpubs.acs.org/NanoLettSemiconductorNanowire:WhatsNext?PeidongYang,*RuoxueYan,andMelissaFardyDepartmentofChemistry,UniversityofCalifornia,MaterialsSciencesDivision,LawrenceBerkeleyNationalLaboratory,Berkeley,California94720ABSTRACTInthisperspective,wetakeacriti
2、callookattheresearchprogresswithinthenanowirecommunityforthepastdecade.Wediscussissuesonthediscoveryoffundamentallynewphenomenaversusperformancebenchmarkingformanyofthenanowireapplications.Wealsonoticethatboththebottom-upandtop-downapproacheshaveplayedimportantrolesinad
3、vancingourfundamentalunderstandingofthisnewclassofnanostructures.Finallyweattempttolookintothefutureandofferourpersonalopinionsonwhatthefuturetrendswillbeinnanowireresearch.KEYWORDSNanowire,photonics,energyconversion,bio-nanointerfacehenR.S.Wagnerwrotedownthefollowingth
4、roughvaporphaseconversionandtransportprocessesWequationRmin)[(2Vl)/(RTlns)]σlvforinseveraloftheseearlystudies.vapor-liquid-solidwhiskergrowth,whereTheseearlyworksonnanowhiskersandnanorodsRministheminimumwhiskerradius,Vlisthemolarvol-werepopularizedassemiconductornanowir
5、esinthefol-umeofthemetaldroplet,σlvistheliquid-vaporsurfacelowingdecade.Inthelate1990s,thefieldofsemiconduc-energy,andsisthedegreeofsupersaturationoftheva-tornanowiresunderwentasignificantexpansionandbe-1por,heprobablydidnotexpectthathalfacenturylatercameoneofthemostactiv
6、eresearchareaswithinthe8researchintosemiconductorwhiskerswithnanoscaledi-nanosciencecommunity.Excitingdevelopmentshavemensionswouldbecomesuchanactivefield.Intheearlybeenmadeatanunusuallyfastpacefrommanyresearch1990s,Hitachiscientistspickedupthisgrowthtechniquegroupsworld
7、wide,includingnotablytheLiebergroup,the2,3andappliedittothegrowthofIII-Vnanowhiskers.AtYanggroup,theSamuelsongroupatLundUniversity,andthetime,goodpositionalandorientationalcontrolwastheWanggroupatGeorgiaTech.Initiallythefieldwentachievedaswellasthedemonstrationofthefirstp
8、njunc-throughaquitehypedperiodandhasnowdevelopedinto4tionsbasedonheterostructurednanowhiskers.arelativelymatur
