Shape-Controlled Synthesis of Metal Nanocrystals Simple Chemistry Meets Complex Physics.pdf

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1、ReviewsY.Xiaetal.DOI:10.1002/anie.200802248NanostructuresShape-ControlledSynthesisofMetalNanocrystals:SimpleChemistryMeetsComplexPhysics?YounanXia,*YujieXiong,ByungkwonLim,andSaraE.SkrabalakKeywords:growth·metal·nanocrystal·nucleation·shapecontrolAngewandteChemie60www.angew

2、andte.org2009Wiley-VCHVerlagGmbH&Co.KGaA,WeinheimAngew.Chem.Int.Ed.2009,48,60–103AngewandteMetalNanocrystalsChemieNanocrystalsarefundamentaltomodernscienceandtechnology.FromtheContentsMasteryovertheshapeofananocrystalenablescontrolofitsprop-1.Introduction61ertiesandenhance

3、mentofitsusefulnessforagivenapplication.Ouraimistopresentacomprehensivereviewofcurrentresearchactivities2.Nucleation:TheBirthofaNewthatcenterontheshape-controlledsynthesisofmetalnanocrystals.WePhase63beginwithabriefintroductiontonucleationandgrowthwithinthecontextofmetalnan

4、ocrystalsynthesis,followedbyadiscussionofthe3.EvolutionfromNucleitoSeeds66possibleshapesthatametalnanocrystalmighttakeunderdifferent4.EvolutionfromSeedstoconditions.WethenfocusonavarietyofexperimentalparametersthatNanocrystals69havebeenexploredtomanipulatethenucleationandgr

5、owthofmetalnanocrystalsinsolution-phasesynthesesinanefforttogenerate5.CaseStudiesofDifferentMetals74specificshapes.Wethenelaborateontheseapproachesbyselecting6.StabilityoftheShape88examplesinwhichthereisalreadyreasonableunderstandingfortheobservedshapecontroloratleastthepro

6、tocolshaveproventobe7.PropertiesandApplicationsreproducibleandcontrollable.Finally,wehighlightanumberofap-EnabledbyShape-Controlledplicationsthathavebeenenabledand/orenhancedbytheshape-Synthesis89controlledsynthesisofmetalnanocrystals.Weconcludethisarticle8.SummaryandOutloo

7、k95withpersonalperspectivesonthedirectionstowardwhichfutureresearchinthisfieldmighttake.onecantailorandfine-tunetheprop-1.Introductionertiesofametalnanocrystalbycon-trollinganyoneoftheseparameters,buttheflexibilityandNanocrystalsarecrystalswithatleastonedimensionscopeofchan

8、gearehighlysensitivetothespecificparameter.[1]between1and100nm.Theyalsoarecharacte