纳米二氧化钛的水热法制备及光催化研究进展

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

263硅酸盐通报Vo.l26No.320076BULLETINOFTHECHINESECERAMICSOCIETYJune,2007肖逸帆,柳松(,510640):,:;;;:TQ134:A:1001-1625(2007)03-0523-06TheProgressesinResearchSurveyofPhotocatalyticPropertiesofNano-titaniaPreparationbyHydrothermalMethodXIAOYi-fan,LIUSong(ChemistryScienceInstitute,SouthChinaUniversityofTechnology,Guangzhou510640,China)Abstract:Titaniumoxidehasbeenwidelyusedbecauseitisstable,efficientandhasnosecondarypollution.Therearesomeadvantagesofpreparationofnano-titaniabyhydrothermalmethod,suchasnarrowparticlesize,highqualityofcrystalandlessconglomeration.TherecentprogressesinresearchonpreparationofTiO2byhydrothermalmethodwerereviewed.Thepreparationmethods,InfluenceofhydrothermalconditionsandphotocatalyticactivityofTiO2werediscussedinthispaper.Keywords:nano;hydrothermalmethod;titania;photocatalysis1引言TiO2N-,,,-,,,,,[1]:(1),;(2),;(3),;(4)::(1981-),,..E-mai:lxiao-y-ifan81@sohu.com524262水热法制备不同晶型的二氧化钛粉体1,31Tab.1ComparewithdifferentmethodsofhydrothermalsynthesisofTiO2nanopartidesTitaniumsourceOthersMolratioAcidityTemperature/Pressure/MPaTime/hCrystalformGrainsize/nmRefs.Ti(SO4)2UreaTi(SO4)2/Urea=1/4-1602~32A12[3]TiCl4H2SO4TiCl4/H2O=1/10-12015A7[2]TiCl4HClTiCl4/H2O=1/10-12015R10[8]TiCl4HNO3-0.81501~213R9[4]Ti(SO4)2NaOHNaOH/Ti(SO4)2412004~524B300[10]TiCl3HCl-12004~572BRA[11]TiCl4NaCl--2206~78R17[9]Ti(SO4)2Na2CO3-31602~36A48[28]Ti(OPri)4HClHCl/Ti(OPri)4=0.2-2004~52A8[5]Note:A-Anatase,R-Rutile,B-Brookite2.1,TiO2,,,[2]TiCl4,110,,1205h,,10nmTiO2[3]Ti(SO4)2,,,140~200,2~6h,TiO2Yin[4]TiCl4,,,2202h4h,10nm,Asilturk[5]Ti(OPri)4,H2O/Ti(OPri)4HCl/Ti(OPri)420.2,2002h,8nmTiO2B,B30mgL-1,1P25TiO260min,3P25100min,TiO250min,P25,,OH;TiO22.2(800),(200nm),,,,,Aruna[6],,,8h,82,,25026h,,20nmTiO2[8]TiCl4,1:10,,1205h,20nm,3:1[7]TiCl4,HCl[v()/v()=1/2],3h,8303h,30nmYin[9]TiCl4,KClNaCl,2208h,12nm3:5252.3TiO2,,TiO2TiO2,,TiO2[10]Ti(SO4)2,NaOH,NaOHTi(SO4)241,BaCl2100mL(80%),20024h,,,300nmTiO2,800Bokhimi[11]TiCl3,HClpH1,2003d,()3其他二氧化钛水热法制备的研究3.1TiO2,,[12]TiCl4,,Fe(NO3)3,NaOHpH,,Cl-,FeTiO2Fe3+TiO2,,,DRS-,8nm,12nm,TiO2,,B,,0.1%,,[13]TiO2,,,,TiO2TiO2,180200,180[14],,8nmNTiO270mL10mgL-10.100g,;4/8,40min94%;,600,40min98%,;,Luo[15]TiCl4,Cl-Br-TiO2,,,P25H2O2,70%30%,P25Hirano[16]TiOSO4Zr(SO4)2,-,ZrO2,,1000,ZrO2,TiO2ZrTi,,3.2TiO2,,;,,,,[17]NaOH,11024hpH=3HClpH=9NaOH10h,804006008001h8nm1nm[18]TiO2,NaOHTiO2,1301~3d,,,10~50nmTiO2Yu[19]P25,NaOH,1505262648h,,HClpH6.5,7~12nmTiO2,,2003~24h,TiO2,1hP25,3h7h12h24hP25,7h,5.1810-3min-1,P253.4710-3min-13.3-,-,TiO2[21],-TiO2,:TiCl4:KOH:TEA()=1:4:0.8,60,-,TiO2,1h,,3.5h2.5hTiO2[20],EDTA,-3h(2.0~2.5MPa),10~30nmTiO2,400,Wilson[22],,20015h,145,4~5nmTiO23.4Kontos[23]P25TiO2,2001d2d3d4d10d,,450,25nm,4d,P254二氧化钛水热制备的影响因素4.1,,,,Wang[24],TiO2[3]Ti(SO4)2/,,Yang[25]HNO3/Ti=1;HNO3/Ti=4,Cheng[26]TiCl4TiO2,TiCl4,,,Yin[9]NaClKClTiO2,Cl-4.2,110~300[27]Yang[26]:,;[7],,,90~100nm,;,,,,30nm[28],,1804.3,-,[28],3:527;5h,,,[29],TiO2,TiO2,Su[30];,,4.4(pH);;Jiang[31]pH,pH0.7Cheng[27],TiCl4,[Ti4+]0.44moldm-3,,pH,pH1,;pH3.4,;pH7.1,Yu[19],,pH,TiO2,,pHYin[94.5,[32],TiO2,,Fe3+TiO2,TiO2,TiO2[14]S,,SO[33],,500,,550,500,,55050%,4.6[34],Aruna[6],,,,,;,,4.7,-,,TiO2[21]5结语,,,,,,,,,,,,,,[1],,.[M].:,2002.88-93.52826[2],.TIO2[J].(),1997,5(1):39-41.[3],,,.TiO2[J].,2000,(4):8-12.[4]YinHB,WadaYJ,KitamuraT,eta.lHydrothermalsynthesisofnanosizedanataseandrutileTiO2usingamorphousphaseTiO2[J].MaterChem,2001,(11):1694-1703.[5]AsilturkM,SayilkanF,ErdemogluS,eta.lCharacterizationofthehydrothermallysynthesizednano-TiO2crystalliteandthephotocatalyticdegradationofRhodamineB[J].JournalofHazardousMaterials,2006,B129:164-170.[6]ArunaST,TiroshS,ZabanA,Nanosizerutiletitaniaparticlesynthesisviaahydrothermalmethodwithoutmineralizers[J].MaterChem,2000,(10):2388-2391.[7],.TiO2[J].,2005,24(10):1155-1157.[8].TiO2[J].(),1997,5(3):54-56.[9]YinHB,WadaYJ,KitamuraT,eta.lNovelsynthesisofphase-purenano-particulateanataseandrutileTiO2usingTiCl4aqueoussolutions[J].MaterChem,2002,(12):378-383.[10],,,.TiO2[J].,2003,24(11):1933-1936.[11]BokhimiaX,PedrazaF.Characterizationofbrookiteandanewcorundum-liketitaniaphasesynthesizedunderhydrothermalconditions[J].JournalofSolidStateChemistry,2004,177:2456-2463.[12],,,.TiO2[J].,2002,23(12):2317-2321.[13].TiO2[J].,2005,20(2):470-474.[14],.NTiO2[J].,2006,25(1):16-19.[15]LuoHM,TakataT,LeeY,eta.lPhotocatalyticactivityenhancingfortitaniumdioxidebyco-dopingwithbromineandchlorine[J].ChemMater,2004,16:846-849.[16]HiranoM,NakaharaC,OtaK,eta.lPhotoactivityandphasestabilityofZrO2-dopedanatase-typeTiO2directlyformedasnanometer-sizedparticlesbyhydrolysisunderhydrothermalconditions[J].JournalofSolidStateChemistry,2003,170:39-47.[17],,,.[J].,2004,19(5):9-12.[18],,,.[J].,2005,34(2):287-290.[19]YuJG,YuHG,ChengB,PreparationandphotocatalyticactivityofmesoporousanataseTiO2nanofibersbyahydrothermalmethod[J].JournalofPhotochemistryandPhotobiologyA:Chemistry,2006,182:121-127.[20],.[J].,2006,20(1):138-141.[21],.TiO2[J].2005,(10):776-780.[22]WilsonGJ,WillGD,FrostRL,eta.lEfficientmicrowavehydrothermalpreparationofnanocrystallineanataseTiO2colloids[J].JMaterChem,2002,(12):1787-1791.[23

1 / 6
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功