简介：Nickelhydroxide,Ni（OH）2iswidelyusedinelectrodesofnickel-basedalkalinesecondarybatteries.UltrathinhexagonalNi（OH）2nanosheetsofspacegroupP-3mlwerehydrothermallypreparedat200℃for10h.Theirdiameterandthicknesswere200-300and3-5nm,respectively.Theirformationwasattributedtotheorientedassemblyofgrowingparticles,whichwasassistedbysurfactantmolecules.ThespecificsurfaceareaoftheNi（OH）2nanosheetswas8.66m2/g.Theirmagnetizationcurveexhibitedlinearparamagneticbehavioracrosstheentiremeasurementregion.

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简介：Microtubes/rodsofthelayeredmetalhydroxidesaltcompoundCd2(OH)3(DS)·nH2O,whereDSstandsfordodecylsulfatesandwichedbetweentwoadjacentinorganicsheets,havebeensynthesizedforthefirsttimethroughamildhydrothermalreactionroute.Themicrotubes/rodshaveadiameterofabout1mandalengthrangingfromseveralmicronsto20m.Thegrowthprocessofmicrotubes/rodsundertheexperimentalconditionsemployedfollowsadissolution–recrystallizationroute.

简介：Uniformlysizedα-Fe2O3hexagonalplateletsweresynthesizedbyahydrothermalprocessusingFe(OH)3suspensionandlargeamountofNaOH.ThereactionproductswerecharacterizedbyX-raydiffraction(XRD),scanningelectronmicroscopy(SEM),transmissionelectronmicroscopy(TEM),selectedareaelectrondiffraction(SAED),andavibratingsamplemagnetometer(VSM).Theresultsshowthatthehexagonalplateletsarefine,monodisperseandconsistingofsingle-crystals.Themagnetichysteresis(M-H)curveofthesamplesmeasuredatroomtemperatureindicatesthattheα-Fe2O3micro-plateletsexhibitferromagneticbehaviorswithrelativelylowcoercivity.

简介：为nanostructuredSnO2的先锋在不同条件下面经由一个帮助微波的热水的方法被综合，用SnCl2吗？

简介：Nanoparticlescanprovideflameretardancetohostingpolymersandactasnanofireextinguishers.Hydroxyapatite（Ca5（OH）（PO4）3）（HA）isnothygroscopic,andisthermallystableupto800℃,with18.5wt%phosphorouscontent.ItisthishighphosphorouscontentthatcanprovideHAwithflameretardantproperties.Inthispaper,wereportonthecontinuoussynthesisofultrafineHAusingahydrothermalsynthesistechnique.TheHAsurfacepropertieswerechangedfromhydrophilictohydrophobicbypostsynthesissurfacemodification.TheratiooftheHAnanoparticlesandanintumescentagentknownasExolitAP750wasinvestigatedtoyieldaself-extinguishingmulti-componentepoxynanocompositeforextendedapplicationunderextremefireconditions.TheHA/AP750/epoxynanocompositewasabletoresistaflameat1700℃andself-extinguishaftertheflamehadbeenremoved.Thenanocompositeshowedanenhancedflammabilityperformanceinstandardconecalorimetrytestingandformedacompactandcohesiveprotectivecharlayerwitha50%decreaseinpeakheatreleasedcomparedwithvirginepoxy.OuraimwastoestablishtheuseofHAasaneffectivenanofillerwithphosphorous-basedflameretardantproperties.Thesurfaceofthisnanofireextinguisherwasmodifiedeffectivelywithdifferentsurfactantsforenhancedcompatibilitywithdifferentpolymericmatrices.

简介：TheinfluenceofNa2SO4ontheformationofZnOwhiskerswasinvestigatedinthispaper.ZnOwhiskerswithaspectratiosofupto50weresynthesizedbydissolvingε-Zn（OH）2precursorinNaOH/Na2SO4solutionatroomtemperature,followedbyagingoftheresultingsolutionat140℃for6h.Fouriertransforminfraredspectroscopy,Ramanspectroscopy,andX-rayphotoelectronspectroscopyanalysesrevealedthatSO42-ionswereprimarilyadsorbedonthe（100）planeoftheZnOwhiskersviaanouter-spherecomplexconfiguration（O-H…O）,therebypromotingtheone-dimensionalgrowthofZnOwhiskersalongthec-axis.

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简介：Octahedron-likeBaMoO4microcrystalsweresynthesizedbytheco-precipitationmethodatroomtemperatureandprocessedinmicrowave-hydrothermalat413Kfordifferenttimes(from30minto5h).ThesemicrocrystalswereanalyzedbyX-raydiffraction(XRD),field-emissiongunscanningelectronmicroscopy(FEG-SEM)andtransmissionelectronmicroscopy(TEM).XRDpatternsshowedthatthismaterialpresentsatetragonalstructurewithoutthepresenceofdeleteriousphases.FEG-SEMandTEMmicrographsrevealedthattheBaMoO4microcrystalspresentanoctahedron-likemorphologywithagglomeratenatureandpoly-disperseparticlesizedistribution.Thesemicrographsalsoindicatedthatthemicrocrystalsgrowalongthe[001]direction.Theobservedcrystallographicplanesinthesestructuresweremodeledcomputationallyandacrystalgrowthmodelwasproposedinordertoexplainthemorphologicalchangesasafunctionofprocessingtime.

简介：BSTOdielectricceramicwaspreparedfromSrTiO3andBaTiO3powderssynthesizedbyhydrothermalmethod,aswellasfromBa0.6Sr0.4TiO3powdersynthesizedbyconventionalsolid-statereaction.Theformercanbesinteredatarelativelylowtemperatureof1120℃.CharacterizationbySEMshowedthatthegrainshapesofbothceramicsarecubical,thoughthegrainsizeoftheformerismuchsmaller.Dielectricconstantsmeasuredat20℃wereshowntovarywithfrequencyintherangefrom1kHzto2MHzanddcbiasfield,andfurtherthatthedielectriclossoftheformertobelessthan2×10-3inthefrequencyrangeof20kHzto1MHz,muchsmallerthanthatofthelattersample.Fortheformer,temperaturedependenceofdielectricconstantismuchflatterandthereexistsanextendedphasetransitiondiffusioncoveringawidetemperaturerangeofCurietemperatureTc.Thesmallergrainsizeoftheformerdepressesthedcbiaselectricalfielddependenceofdielectricconstant.Thetunabilityis7%underabiasfieldof0.6kV/mmdc.

简介：TiO2-loadedactivatedcarbonfibers（ACF）werepreparedbyahydrothermalmethod.Thesampleswerecharacterizedbyscanningelectronmicroscopy（SEM）,X-raydiffraction（XRD）,Fouriertransforminfrared（FT1R）spectrometryandUV-visdiffusereflectancespectra（DRS）.SEMimagesshowedthattheTiO2nanoparticlesweredepositedonthesurfaceofACF,andtheparticlesizeandloadingamountofTiO2werevariedbychangingtheinitialconcentrationoftetrabutyltitanate（TBOT）.TheresultsofanashexperimentshowedthattheloadingamountsofTiO2were18.4%,43.3%,52.5%,75.1%,and91.1%forinitialconcentrationsofTBOTof0.07,014,0.21,0.28,and0.35mol/L,respectively.PhysicalinteractionsplayedanimportantroleintheformationofTiO2/ACFcompositefibersthatabsorbUVandvisiblelight.ComparedwiththoseofACF,improvedadsorptionandphotocatalyticactivitytowardRhodamineB（RhB）wereobservedforTiO2/ACFcompositefiber.TheRhodamineBcouldberemovedefficientlybyTiO2/ACFcompositefibers,andtheTiO2loadingamounthadasignificanteffectonthephotocatalyticactivityofTiO2/ACFcompositefibers.

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