水热法合成钒的氧化物综述(英)

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1、Materials2010,3,4175-4195;doi:10.3390/ma3084175OPENACCESSmaterialsISSN1996-1944www.mdpi.com/journal/materialsReviewHydrothermalSynthesisofNanostructuredVanadiumOxidesJacquesLivageChimiedelaMatièreCondensée,CollègedeFrance,11placeMarcelinBerthelot,75231Paris,France;E-Mail:jacq

2、ues.livage@upmc.fr;Tel.:33(0)144271500;Fax:33(0)144271504Received:1July2010;inrevisedform:27July2010/Accepted:30July2010/Published:2August2010Abstract:AwiderangeofvanadiumoxideshavebeenobtainedviathehydrothermaltreatmentofaqueousV(V)solutions.Theyexhibitalargevarietyofnanostr

3、ucturesrangingfrommolecularclustersto1Dand2Dlayeredcompounds.Nanotubesareobtainedviaaself-rollingprocesswhileamazingmorphologiessuchasnano-spheres,nano-flowersandevennano-urchinsareformedviatheself-assemblingofnano-particles.Thispaperprovidessomecorrelationbetweenthemolecular

4、structureofprecursorsinthesolutionandthenanostructureofthesolidphasesobtainedbyhydrothermaltreatment.Keywords:vanadiumoxide;nanostructure;aqueouschemistry1.IntroductionThepropertiesofsolidstatematerialsmainlydependontheirstructureandmorphology.Thereforenanostructuredmaterials

5、arebecomingverypopular.Theyofferagreatpotentialforimprovingpropertiesandfindapplicationsinmanyfieldssuchasmicroelectronics,batteries,sensingdevices,nanoprobesandevennanomedicine[1-4].Manynanostructuredmaterialshavebeendescribedduringthepastfewyears.Amongthemnanostructuredvana

6、diumoxideshavebeenextensivelystudiedsincethediscoveryofVOxnanotubesbyR.Nesperandhisgroup[5,6].Theyexhibitagreatvarietyofnanostructures,rangingfrom1Dto3D[7]andV2O5hasevenbeenchosenasamodelsystemforthedescriptionofnanostructuredmaterials.Vanadiumoxidesfindmajorapplicationsinthe

7、fieldoflithiumionbatteries[8-11].Oneofthemainpointsforarealdevelopmentofnanostructuredmaterialswouldbeabetterunderstandingoftheirformationinordertobeabletobuildtaylor-madenanostructures.TheusualsolidstatesynthesisofvanadiumpentoxideviathethermaldecompositionofammoniumMaterial

8、s2010,34176metavanadateleadstothewellknownorthorhombicoxide-V2O5tha