简介：Aneworganic-inorganichybridmaterial,whichshowsphoto-inducedreductionofrefractiveindexaswellasvolumecontraction,ispreparedusingasol-gelmethod.ThismaterialiscoatedonaSisubstratebyspin-coatingtomanufacturefilm.Afterirradiatedbyultraviolet(UV)lightwithadeuteriumlampfor5h,thethicknessoffilmdecreaseslargelyby55%,andtherefractiveindexoffilmchangesfrom1.484to1.445at550nm.Thefilm'sopticalthicknessexhibitsanexponentialchangewiththeincreasingirradiationtime.Futhermore.thephoto-patternningoftheorganic-inorganichybridfilmwithoutanyfurtherprocess(wetetchingandthermalcuring)isperformedutilizingthevolumecontractiononUV-lightirradiation.Thisfilmhaspotentialapplicationsforfabricationofpatternedfilterarrayandapodizingfilterbydirectlightwriting,andalsodemonstratesgoodtemperaturestabilityandimmunitytovisiblelightexposure.

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简介：SnO2preparedwiththesol-geltechniqueatdifferenttemperatureswasusedasananodematerialofthelithium-ionbattery.Weobtainedthequalititaverelationshipbetweentheelectrochemicalperformanceoftinoxideanodematerialandeachofitscarboncomponent,particlesize,structureandsurfacemorphologyindetail.ItwasfoundthatthebestelectrochemicalperformancecanbereachedbycontrollingthephysicalcharacteristicsofSnO2,whichwasaffectedgreatlybythetreatmenttemperature.TheSnO2obtainedat600℃waspure.Whenitwasusedastheanodematerialofthelithium-ionbattery,itdemonstratedahighinitialspecificcapacityof770mA·h/g.

简介：Monophasic多铝红柱石(3Al2O3潲敧?楮正汥牦敥愠獵整楮楴?瑳楡汮獥?瑳敥?畤楲杮愠湮慥楬杮

简介：在这个工作，有大约100nm和一段几测微计的一致直径的TiO2nanorods被大音阶的第五音胶化模板方法成功地准备。另外，准备的beeninvestigated.The取样的TiO2的形态学和nanorods有的结构上的先锋的臼齿的比率的影响被Fourier变换描绘红外线的光谱学(FTIR)，X光检查衍射(XRD)和扫描电子显微镜学(SEM)。XRD结果显示TiO2nanorods在锐钛矿和金红石阶段被使结晶，在退火到直到2h的400-700°C以后。

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简介：Copper-dopedZnOnanoparticlesweresynthesizedbythesol-gelmethod.TheX-raydiffraction(XRD)resultshowsthatZn1-xCuxO(x≤0.04)samplesaresinglephasewithZnO-likewurtzitestructure,whilethesecondaryphaseCuisobservedinaZn0.95Cu0.05Osample.MagneticmeasurementsindicatethatZn1-xCuxO(x≤0.04)samplesareferromagneticatroomtemperature.Astronggreenpeak(520nm)wasobservedexceptforUVbandpeakinphotoluminescent(PL)spectrumofZn0.98Cu0.02O.

简介：有一致的杆形状的单斜晶的LaPO4nanostructures被一个简单大音阶的第五音胶化方法成功地综合了。过程包含形成同类，透明，metal-citrate-EDTA胶化先锋，由锻烧列在后面支持胶化先锋的热分解产出LaPO4nanoparticles。他们的形态学和结构被XRD，TEM，TG-DSC和HRTEM描绘。结果显示单个单斜晶的阶段LaPO4nanorods乐意地在800点被获得吗？在3h以内。而且，做Eu3+的LaPO4nanocrystals的光致发光(PL)描述被执行。在PL性质上做内容的锻烧温度和Eu3+的效果详细被详细描述。房间温度光致发光(PL)描述表明光亮度以及到5D0-7F2的5D0-7F1的紧张比率高度依赖于锻烧温度，并且Eu0.05La0.95PO4nanophosphor与最强烈的排放显示出相对有希望的PL表演。

简介：为尖晶石铁酸盐nanomaterial合成的大音阶的第五音胶化汽车燃烧方法的最近的开发和趋势简短被讨论并且极其分析了。能被用于合成过程的更好的理解和微观结构的控制和尖晶石铁酸盐nanopowder产品的性质的反应的各种各样的参数的分析是这篇评论文章的主要目的。特殊注意对粒子尺寸和阶段纯净的变化被给予。为这些目的在complexant，氧平衡和燃烧过程化学药品添加剂，以及加热机制和空气之间的关联，被建立。这些结果从申请的立场是相关的并且铁酸盐处理。

简介：Inthispaper,anovelSPMEmode,PDMS-coatedsolidglassmicrospheres(SGMs),werepreparedbysol-gelmethod.UsinghomemadethermaldesorptionunitcoupledwithCGC-FID,sixPAHsasmodelanalytes,theperformanceofthenewmodewascharacterized.Thenewextractivephaseexhibitedhighthermalstabilityandsatisfactoryextractioncapability.Thedetectionlimitswere0.01-0.045ng/mL,andthelinearitywasfrom0.5ng/mLto96ng/mL.TheR.S.D.sofrepeatabilityforretentiontimeandpeakareawereallwithin0.074%and6.7%,respectively.TherecoveriesofthePAl-Iswere78-127%fromthesamplestakenfromriverwater.

简介：Nanocrystallineoxidedispersionstrengthened(ODS)ferriticsteelpowderswithnominalcompositionofFe-14Cr-3W-0.3Ti-0.4Y2O3aresynthesizedusingsol-gelmethodandhy-drogenreduction.AtlowreductiontemperaturetheimpurityphaseofCrOisdetected.AthigherreductiontemperaturetheimpurityphaseisCr2O3whicheventuallydisappearswithincreasingreductiontime.ApureODSferriticsteelphaseisobtainedafterreducingthesol-gelresultantproductsat1200℃for3h.TheHRTEMandEDSmappingindicatethattheY2O3particleswithasizeofabout15nmarehomogenouslydispersedinthealloymatrix.ThebulkODSferriticsteelsamplespreparedfromsuchpowdersexhibitgoodmechanicalperformancewithanultimatetensilestressof960MPa.

简介：Modifiedsensingmembranesbasedonfluorescencequenchingwerepreparedbythesol-gelmeth-od,usingformamideasthedryingcontrolchemicaladditive,tetraethoxysilaneasthemainmaterial,Ru(phen)3Cl2astheindicator.Themembranewiththeoptimumthicknessof20-50μmisuniformandcrack-free,inwhichtheindicatorhasaverysmallleakingrate.Themembraneisimmersedinwaterfor50h,themembranesensingparameterMdecreasesbylessthan5%.Thefiberopticoxygensensorwiththesensingmembranehasadetectionlimitof5×10-6M(ppm),aresponsetimeoflessthan30s,excellentreproducibilityandstability.

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简介：Magneto-opticFaradayrotationeffectandtheamountofbismuthsubstitutedinyttriumirongarnetsinglecrystalfilmspreparedbygel-coatingonmodifiedgadolinium-galliumgarnetsubstratesareinvestigated,wherethegelissynthesizedbyasol-gelreactionofnitratesandethyleneglycol.Thecoatedgelisannealedinairattemperaturesupto660℃for4h,whichisabout300℃lowerthanthatofliquid-phaseepitaxy.ThemaximumamountofBisubstitutionisx=2.7andthecrystallizationtemperatureofgarnetphasedecreaseswiththeincreaseofxdownto520℃forx=2.7.Inthisfilm,ahugeFaradayrotationof-8.1×104(°)/cmatλ=0.633μmisobtained.

简介：4-hydroxy-4'-nitroazobenzene(NHA)and4-amino-4'-nitroazobenzene(DO3)werepreparedrespectivelyfromp-nitrophenylamineasaprecursorcompound.Twokindsofdopedorganic/inorganichybridnonlinearoptical(NLO)materialscontainingNHAandDO3weresynthesizedbySol-Gelprocess.ThepreparationandpropertiesoftwoNLOmaterialswerestudiedandcharacterizedbyFTIR,1H-NMR,UV-VIS,SEM,DSCandSHGmeasurements.TheresultsshowthatthemaximumdopingamountsofNHAandDO3intwodopedhybridNLOmaterialsare7.2(wt)%and11.3(wt)%respectively,andthecorrespondingsecond-orderNLOcoefficients(d33values)are2.91×10-8esuand6.14×10-8esu.TwodopedNLOmaterialshaverelativelygoodRTstability,after90daysatRTthed33valuescanmaintainabout85%oftheirinitialvalues,butafter10hat100℃canonlymaintainabout50%oftheirinitialvalues.Inthisreport,thereasonsforhigh-temperatureinstabilityofdopedmaterialswerediscussed,andthepossibleimprovementswerealsosuggested.

简介：有公式La9.33Si6O26的磷灰石类型镧硅酸盐被大音阶的第五音胶化过程准备。答案的pH价值影响的大音阶的第五音的同质被调查。大音阶的第五音的粘性稍微增加第一然后因为占优势的反应机制从水解作用反应改变到冷凝作用反应，突然地增加。另外，为粘性的增加的发作时间从pH弄短1到pH4。冻结时间与增加答案的pH减少。因此，大音阶的第五音的pH应该是不到4形成胶化。有起始的pH的大音阶的第五音希腊语的第六个字母潜力和最大的稳定性的2表演最大值价值。为有起始的pH的样品2，在弄干的胶化被锻烧在以后，纯磷灰石类型镧硅酸盐La9.33Si6O26成功地被准备了1000

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简介：BaTiO3/PVDFnanocompositeswerepreparedviain-situgrowthofnanosizedBaTiO3particlesinPVDFmatrixbyusingthesolgelmethod.ThepresentelementsofBaTiO3/PVDFnanocompositeswereana-lyzedbyanelectronprobeX-raymicroanalyser.NanosizedBaTiO3growninthecompositefilmswascharacterizedbyanX-raydiffractometerandatransmissionelectronmicroscope,andthedielectricpropertiesofthecompositefilmsweremeasured.ThedistributionofBaTiO3nanoparticlesin-situgrowninthePVDFmatrixwasexaminedus-ingascanningelectronmicroscope.

简介：BaFe12O19fiberswaspreparedviaanaqueoussol-gelprocessusingFe(OH)(HCOO)2synthesizedinlaboratoryandBa(CH3COO)2astheoriginalmaterialsandcitrateasthechelate.Therheologicalbehaviourofspinnablesolwascharacterizedonrheometer,andthedevelopmentofgelfiberstobariumferritefiberswasstudiedbyIR,TGandXRD.MorphologyobservationofthefiberswasgivenonSEM,andthediameteroftheobtainedfiberswasbetween5and10μmcorrespondingtodifferentadditives.Theadditivesaffectedthesurfacetensionoftheprecursorsolwhichhadcloserelationtothemicrostructureoffibers.Sucroseandhydroxyethyliccellulosecouldimprovethesurfacetensionwhilediethanolamineandhexadecylaminereducethatoftheprecursorsol.Andusingdiethanolamineorhexadecylamineasanadditive,well-structuredBaFe12O19fiberscouldbeobtained.

简介：WithTi(OBu)4asprecursor,andHAcascomplexingagent,pureandW-dopedTiO2gelatinswerepreparedbyasol-gelmethod.Duringtheprocessofgelformation,metalionsweredispersedintheporousTiO2matrix.Then,powdersofnano-TiO2andW-dopednano-TiO2werepreparedbydrying,grindingandheattreatmentatdifferenttemperatures.Thegrainsizeandstructureofthesamples,pureTiO2andW-doped,andtreatedatdifferenttemperatures,werestudiedbyX-raydiffraction(XRD),BeckmanCoulterSorptionAnalysisandTEM.Resultsshowedthat,withincreasingtemperature,theTiO2transformedfromanatasetorutileandthegrainsizeincreased.ThistransformationandgraingrowthofTiO2couldberetardedbydopingwithW.