简介：TiO2nanoparticlesweresynthesizedbyahomogeneouscontrolledprecipitationmethodusingindustrialtitaniumsulfate(Ti(SO4)2).TheobtainedpowderswerecharacterizedbyX-raydiffraction(XRD),transmissionelectronmicroscope(TEM),Fouriertransforminfraredspectroscopy(FTIR)andICPplasmaspectrometer.EDTAwasusedascomplexingagenttoimprovethepurityandtheformationofTiO2nanoparticles.Experimentalresultsindicatedthatthehigh-purityTiO2nanoparticleswere20nminmeansizeandnearlymonodispersed.

简介：ThehighlyorderedTiO2nanotubes（NTs）werefabricatedbytheanodicoxidationmethod.Theirmorphology,structureandcrystallinephasewerecharacterizedbyscanningelectronmicroscopy（SEM）andX-raydiffractometer（XRD）.Theeffectsofmorphology,specificsurfacearea,porestructuresandphotocatalyticactivityoftheTiO2NTswereinvestigated.UV–visspectraanalysisshowedthatitslightabsorptionhadbeenextendedtothevisiblelightrange.Thephotocatalyticactivityoftheas-preparedsampleswasevaluatedbyphotocatalyticoxidationofgaseousHCHOandMBaqueoussolution.Thesampleshadbetteradhesionstrengthinthedarkandshowedahigherphotocatalyticactivitythannanoparticles.Especially,withultravioletlightpretreatment,thenanotubesexhibitedmorestableactiveforphotocatalyticdecompositionandthephotodecompositionrateremainedathighlevelafter3cyclesofthephotocatalysisexperiment.Thus,howthenumberofsurfaceactivegroup·OHincreasedandthemechanismforthegreatimprovementforthephotocatalyticactivityarediscussed.

简介：Polyaniline(平底锅)敏化nanocrystallineTiO2composites(TiO2/PAn)成功地被准备并且为染料甲又蓝色(MB)的降级用作有效光催化剂。结果证明那个平底锅能高效地敏化TiO2，合成光催化剂能被两个都吸收紫外、可见的光激活(λ：190800nm)，而纯TiO2仅仅吸收了紫外光(λ<380nm)。在自然的光的照耀下面，MB能比在TiO2上在TiO2/PAncomposites上更高效地被降级。而且，它能被简单沉积容易与答案分开。

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简介：为了研究氧流动的影响，在TiO2薄电影的结构、光的性质上评价，玻璃上的TiO2电影被反应磁控管劈啪作响扔。微观结构和光性质被X光检查diffractometry，AFM和紫外力的发射度光谱学分别地测量。这些电影以10mL/min的氧流动率扔了的结果表演有最低粗糙和最高的发射度。到氧流动评价的更长的波长的吸收角度移动从5～10mL/min增加，然后从10～30mL/min作为氧流动率增加到更短的。乐队差距是3.38eV，它在实验是将近不变的。为在oxyge流动率的10mL/min扔的TiO2薄电影，有nano水晶的结构，它对反思考(AR)合适在太阳能电池结构系统的涂层。

简介：利用磁控溅射法在不同条件下制备了玻璃基TiO2薄膜样品,分别研究了衬底温度、工作气压、氧氩比等对TiO2薄膜亲水性的影响,得到最佳工艺参数,并对此参数下薄膜的亲水性、均匀性、晶相等进行了表征。

简介：Photocatalyticwatersplittingandcarbondioxidereductionprovideuscleanandsustainableenergyresources.Thecarbondioxidereductionisalsotheredemptionofthegreenhouseeffect.MoS3/TiO2photocatalystsbasedonTiO2nanoplateshavebeensynthesizedviaahydrothermalacidificationrouteforwaterandcarbondioxidereductionreactions.ThisfacileapproachgenerateswelldispersedMoS3withlowcrystallinityonthesurfaceofTiO2nanoplates.Theas-synthesizedMoS3/TiO2photocatalystshowedconsiderableactivityforbothwaterreductionandcarbondioxidereduction.ThethermaltreatmenteffectsofTiO2,theloadingpercentageofMoS3andthecrystallinephaseofTiO2havebeeninvestigatedtowardsthephotocatalyticperformance.TiO2nanoplatesynthesizedthroughhydrothermalreactionwiththepresenceofHFacidisanidealsemiconductormaterialfortheloadingofMoS3forphotocatalyticwaterandcarbondioxidereductionsimultaneouslyinEDTAsacrificialsolution.

简介：W，N共同做TiO2nanoparticles被一个solgel方法综合。准备样品被X光检查衍射(XRD)描绘，域排放扫描电子显微镜学(FE-SEM)，传播电子显微镜学(TEM)，Fourier变换红外线的光谱学(英尺红外)，X光检查光电子光谱学(XPS)和弥漫的反射spectrophotometry(医生)。结果证明共同做的光催化剂是有22.5nm的最小的粒子尺寸的实质上一致的球形的粒子。比作未做的TiO2，N-TiO2和P-25，W的吸收边，N共同做转移到更长的波长的TiO2和它为在Xe灯(350W)下面的甲基橘子(瞬间)的降级的photocatalytic活动更高。

简介：Nickelhydroxidewasusedasthepositiveelectrodematerialinrechargeablealkalinebatteries,whichplaysasignificantroleinthefieldofelectricenergystoragedevices.β-nickelhydroxide(β-Ni(OH)_2)waspreparedfromnickelsulphatesolutionusingpotassiumhydroxideasaprecipitatingagent.Pureβ-phaseofnickelhydroxidewasconfirmedfromXRDandFT-IRstudies.TheeffectsofTiO_2additiveontheβ-Ni(OH)_2electrodeperformanceareexamined.ThestructureandpropertyoftheTiO_2addedβ-Ni(OH)_2werecharacterizedbyXRD,TG-DTAandSEManalysis.Apasted–typeelectrodeispreparedusingnickelhydroxidepowderasthemainactivematerialonanickelsheetasacurrentcollector.Cyclicvoltammetryandelectrochemicalimpedancespectroscopystudieswereperformedtoevaluatetheelectrochemicalperformanceoftheβ-Ni(OH)_2andTiO_2addedβ-Ni(OH)_2electrodesin6MKOHelectrolyte.Anodic(Epa)andcathodic(Epc)peakpotentialsarefoundtodecreaseaftertheadditionofTiO2intoβ-Ni(OH)_2electrodematerial.Further,additionofTiO_2isfoundtoenhancethereversibilityoftheelectrodereactionandalsoincreasetheseparationoftheoxidationcurrentpeakoftheactivematerialfromtheoxygenevolutioncurrent.Comparedwithpureβ-Ni(OH)_2lectrode,TiO_2addedβ-Ni(OH)_2electrodeisfoundtoexhibithigherprotondiffusioncoefficient(D)andlowerchargetransferresistance.ThesefindingssuggestthattheTiO_2addedβ-Ni(OH)_2electrodepossessimprovedelectrochemicalpropertiesandthuscanberecognizedasapromisingcandidateforthebatteryelectrodeapplications.

简介：三不同Ti-Si氧化物structuares，硅石支持了titania，硅石涂的titania和亲密地混合的silica-titania，包含10%-40%SiO2，被nanocrystalline(nc)的微观结构参数的sol-gelprocess.The变化在二进制氧化物的三kirds成为TiO2锐钛矿包括在里面飞机间距d，电池常数(a0，C0)，房间体积V，房间轴比c0/a0和水晶谷物缩放，被高决定传播电子显微镜学(HRTEM)和X光检查衍射(XRD)比较地调查。微观结构参数与增加SiO2内容显著地变化，这被发现，annealingtemperature.Different组织了Ti-Si二进制氧化物导致微观结构参数的不同变化趋势。二进制氧化物包含越多SiO2，ncTiO2锐钛矿的缺点越格子出现；Si阳离子的散开或移植能是在微观结构的变化的一个重要有影响的因素。在三种二进制氧化物的ncTiO2的谷物尺寸不仅取决于SiO2内容和退火的温度而且在ncTiO2-anatase.Both谷物尺寸和nc的阶段转变的格子microstrainand失真的度上，TiO2锐钛矿是有效地与增加SiO2内容禁止了。

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简介：ThepaperintroducesthepreparationoffloatingTiO2/beadsphotocalystattachedtothehollowglassmicro-beadssurfacebysol-geltechniqueusingtetrabutyltitanateasmaterialandthepreparationoffloatingCoPcS/TiO2/beadsbydip-coatigtechnique.TheoptimalfactorofdegradationofvegetableoilfloatingonwaterusingCoPcS/TiO2/beadswasstudied.Theresultshowedthattheremovalrateofvegetableoilfloatingonwatercanhighlyreach90%attheoptimalcondition(acidityorneutrality,375Wmedium-pressuremercuryvapourlamp,illumination2h~3h,1gCoPcS/TiO2/beads).ThephotocatalyticremovalefficiencycausingbyCoPcS/TiO2/beadswasincreasedrapidlybyaddingatraceamountofH2O2.

简介：一系列碳nanotubes/TiO2nanotubes(CNTs/TNTs)合成光催化剂被CNT的加入成功地在HNO3洗准备过程。分别地，这些光催化剂被XRD，N2物理吸附，UVvis弥漫的反射光谱学，TEM和拉曼光谱学描绘，他们的photocatalytic活动被把methy1橘子(瞬间)用作模型混合物测试。另外，合并的CNT的数量的效果，锻烧温度和在合成光催化剂的photocatalytic活动的催化剂的数量系统地被调查。结果证明CNTs/TNTs合成展览高得多的photocatalytic活动比TNT或CNT的独自一个。

简介：超细TiO2的性能在很大程度上取决于基粒径的大小。但由于超细TiO2具有极大的比表面积和表面能，在制备和处理过程中容易发生粒子团聚，如何克服纳米粒子的团聚现象无疑是超细TiO2性能持续稳定发展的关键。本文介绍了不同分散仪器的工作原理以及不同分散设备对超细TiO2分散的影响，并从经济和生产效率等角度综合考虑仪器和一些参数的选择，同时,本文还综述了TiO2后期干燥处理的各种方法。

简介：采用化学沉淀法制备纳米TiO2-xNx粉体，使粉体的禁带宽度变窄，在可见光下表现出较高的抗菌率（32％）。再采用浸渍法制备掺Fe的TiO2--xNx粉体，实现TiO2粉体的金属-非金属双掺杂。Fe-TiO2--xNx粉体在可见光下的抗菌率随着掺Fe量的增加呈先增加后减小的趋势，当掺杂量为0．5％（原子分数）时抗菌活性最高，达71％。

简介：ThispaperstudiesthelightscatteringandadsorptionofnanocrystallineTiO2porousfilmsusedindye-sensitizedsolarcellscomposedofanataseand/orrutileparticlesbyusinganopticalfour-fluxradiativetransfermodel.Theselightpropertiesarediffculttomeasuredirectlyonthefunctioningsolarcellsandtheycannotbecalculatedeasilyfromthefirst-principlecomputationalorquantitativetheoreticalevaluations.Thesesimulationresultsindicatethatthelightscatteringof1-25nmTiO2particlesisnegligible,butitiseffectiveintherangeof80and180nm.Asuitablemixtureofsmallparticles(10nmradius),whichareresultedinalargeeffectivesurface,andoflargerparticles(150nmradius),whichareeffectivelightscatterers,havethepotentialtoenhancesolarabsorptionsignificantly.Therutilecrystalshavealargerrefractiveindexandthusthelightharvestofthemixturesofsuchlargerrutileandrelativelysmallanataseparticlesisimprovedincomparisonwiththatofpureanatasefilms.Thelightabsorptionofthe10μmdouble-layeredfilmsisalsoexamined.Amaximallightabsorptionofdouble-layeredfilmisgottenwhenthethicknessofthefirstlayerof10nm-sizedanataseparticlesiscomparabletothatofthesecondlargerrutilelayer.

简介：这份报纸为为敏化染料的太阳能电池(DSSC)经由一起沉淀为TiO2nanoparticles准备建模并且优化作为一条有效途径论述反应表面方法论(RSM)性能。钛(IV)二度--(acetylacetonate)di-isopropoxide(DIPBAT)，isopropanol和水分别地被用作先锋，溶剂和合作溶剂。象准备因素与的水，老化温度和锻烧温度的臼齿的比率主要并且粒子特征和表演上的相互作用效果被调查。粒子特征被X光检查diffractometry(XRD)以主要、第二等的尺寸，晶体取向和形态学决定并且扫描电子显微镜学(SEM)。乐队差距精力和DSSC的力量变换效率被用于表演研究。根据在反应表面方法论(RSM)的变化(ANOVA)的分析，所有三个独立参数是统计上重要的，最后的模型是精确的。模型在1:10:500的DIPBAT-to-isopropanol-to-water的臼齿的比率的最佳的条件下面预言了最大的力量变换效率(0.14%)，变老36潰獳獥楳湯的温度吗？

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简介：Newvisibletransparent,UVabsorption,andhighinfraredreflectionpropertieshavebeenrealizedbydepositingmultilayerSiO2/ZnO：Al/CeO2-TiO2/SiO2filmsontoglasssubstratesatlowtemperaturebyradiofrequencymagnetronsputtering.OptimumthicknessofSiO2,ZnO：Al（ZAO）andCeO2-TiO2（CTO）filmsweredesignedwiththeaidofthinfilmdesignsoftware.Thedegreeofantireflectioncanbecontrolledbyadjustingthethicknessandrefractiveindex.TheouterSiO2filmcandiminishtheinterferencecoloringandincreasethetransparency;theinnerSiO2filmimprovestheadhesionofthecoatingontheglasssubstrateandpreventsCa2＋,Na＋intheglasssubstratefromenteringtheZAOfilm.Theaveragetransmittanceinthevisiblelightrangeincreasesbynearly18%-20%,ascomparedtodoublelayerZAO/CTOfilms.Andthefilmsdisplayhighinfraredreflectionrateofabove75%inthewavelengthrangeof10-25μmandgoodUVabsorption（〉98%）properties.Thesesystemsareeasytoproduceonalargescaleatlowcostandexhibithighmechanicalandchemicaldurability.ThetriplefunctionalfilmswithhighUVabsorption,antireflectiveandhighinfraredreflectionratewilladapttoapplicationinflatpaneldisplayandarchitecturalcoatingglass,automotiveglass,withdiminishinglightpollutionaswellasdecreasingeyefatigueandincreasingcomfort.

简介：以氢型层状锰氧化合物为前驱体，利用预膨润的方法将正辛胺插入到锰氧层间，将其在正硅酸乙酯和异丙醇钛的混合溶剂中进行溶剂热处理，同时加入乙醇作为反应介质，成功地制得了SiO2/TiO2柱撑的层状氧化锰复合材料。应用X射线衍射（XRD），红外光谱（IR），环境扫描电镜（SEM）对该材料进行了表征。结果表明该材料具有较大的层间距（1．38nm）和较高的热稳定性（〉300℃）。