以偏钛酸为原料在室温离子液体中水热制备二氧化钛光催化剂(4)

32

稀 有 金 属

14960.[8]

31卷

3.光催化测试表明所制备的二氧化钛光催化剂在可见光辐照下具有一定的光催化活性;光催化降解亚甲基蓝的能力优于商业品P-25。参考文献:

[1]

YuNY,GongLM,SongHJ,etal. Ionicliquidof[Bmim]+Cl-forthepreparationofhierarchicalnanostructuredrutiletitania[J].J.SolidState.Chem.,2007,180:799.

[9]

NakashimaT,KimizukaN. InterfacialsynthesisofhollowTiO2m-icrospheresinionicliquids[J].J.Am.Chem.Soc.,2003,125:

高 濂,郑 珊,张青红. 纳米氧化钛光催化材料及应用[M].北京:北京化学工业出版社,2002.54.

[10]

6386.

ZhangH,WuJ,ZhangJ,etal. 1-Ally-l3-methylimidazoliumchlorideroomtemperatureionicliquidanewandpowerfulnonderivat-izingsolventforcellulose[J].Macromolecules,2005,8(20):8272.[11]

[2]

CarpO,HuismanCL,RellerA. Photoinducedreactivityoftitan-iumdioxide[J].Prog.SolidStateChem.,2004,32:33.

[3]

FujishimaA,RaoTN,TrykDA. Titaniumdioxidephotocatalysis[J].J.Photochem.Photobiol.C,2000,1:1.

ShuY,HasegawaH,MaedaD,etal. Synthesisofvisible-ligh-tactivenanosizerutiletitaniaphotocatalystbylowtemperaturedissolu-tion-reprecipitationprocess[J].J.PhotochemPhotobiolA,2004,163:1.

[4]

顾彦龙,石 峰,邓友全. 室温离子液体:一类新型的软介质和功能材料[J].科学通报,2004,49(6):515.

[5]

AntoniettiM,KuangD,SmarslyB,etal. Ionicliquidforthecon-venientsynthesisoffunctionalnanoparticlesandotherinorganicnano-structures[J].AngewChem.,Int.Ed.,2004,43:4988.

[12] AsahiR,MorikawaT,OhwakaT,etal. Visible-lightphotocataly-sisinnitrogen-dopedtitaniumoxides[J].Science,2001,293:269.[13]

[6]

YooK,ChoiH,DionysiouDD. IonicliquidassistedpreparationofnanostructuredTiO2particles[J]mun.,2004,17:2000.

陈 恒,龙明策,徐 俊. 可见光响应的氯掺杂TiO2的制备、表征及其光催化活性[J].催化学报,2006,27:890.林华香,王绪绪,付贤智. TiO2表面羟基及其性质[J].化学进展,2007,19:665.

[7]

ZhouY,AntoniettiM. SynthesisofverysmallTiO2nanocrystalsinaroomtemperatureionicliquidandtheirsel-fassemblytowardmeso-poroussphericalaggregates[J].J.Am.Chem.Soc.,2003,125:

[14]

PreparationofTiO2PhotocatalystbyHydrothermalMethodinRoomTemperatureIonicLiquidUsingMetatitanicAcid

WangQin,YangQinglin,CheYuping,GuoLin,DengYuan,JiTianhao(SchoolofMaterialsScienceandEngineering,BeijingUniversityofAeronauticsandAstronautics,Beijing100083,China)

Abstract:Anatasenano-titaniumdioxidewaspreparedbyhydrothermalmethodatthetemperatureof160 in1-allyl,3-methylimidazoliumchloride([Amim][Cl])roomtemperatureionicliquid,usingmetatitanicacidasrawmaterials.Thephase,morphology,opticalpropertiesandphotocatalyticactivityofthesampleswereanalyzedbyX-raydiffraction(XRD),transmissionelectronicm-icroscopy(TEM),andUV-Visiblespectrometer(UV-Vis),respectively.Theresultsshowthattheaveraged-iameteroftheparticlesisabout18.4nmandthemor-phologyisellipsoid-like.Theas-preparedsamplesshowcertainabsorptioninthevisiblelightregionandphotocat-alyticactivityundervisiblelightirradiation,andshowhigherphotocatalyticactivitiesthancommercialproductP-25forphotocatalyticoxidativedegradationofthemeth-ylenebluethroughphotocatalytictest.

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Keywords:nanometertitaniumdioxide;photocatalyst;roomtemperatureionicliquid;hydrothermalmethod;metatitanicacid

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