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1、第29卷第4期無機(jī)化學(xué)學(xué)報(bào)Vo1.29No.42013年4月CHINESEJOURNALOFINORGANICCHEMISTRY729.734TiO2納米管陣列負(fù)載不同形貌Cu20薄膜的制備及光電性能研究薛晉波,z,3中倩倩1李光亮梁偉'l_Z3(太原理工大學(xué)材料科學(xué)與工程學(xué)院,太原030024)(太原理工大學(xué)新材料工程技術(shù)研究中心,太原030024)(。太原理工大學(xué)新材料界面科學(xué)與工程教育部重點(diǎn)實(shí)驗(yàn)室,太原030024)摘要:本論文采用陽極氧化法在金屬鈦基底上制備高度有序的TiO,納米管陣列薄膜.然后采用脈沖電流法在TiO,納米管陣列上沉積CuO,從而制備出C
2、uOTiO納米管陣列異質(zhì)結(jié)復(fù)合薄膜。借助X射線衍射儀(XRD).場發(fā)射掃描電子顯微鏡(FESEM)和透射電子顯微鏡M)等表征手段,詳細(xì)探討了Cu20沉積過程中電解液的不同擾動方式f靜止、磁力攪拌和超聲攪拌)對復(fù)合薄膜物相和形貌的影響。實(shí)驗(yàn)結(jié)果表明電解液的擾動方式會影響Cu,O沉積過程中的離子擴(kuò)散和微區(qū)化學(xué)環(huán)境.從而影響Cu,O的形貌通過漫反射紫外一可見吸收光譜(uv—Vis)~l光電流性能測試可知所制備的負(fù)載Cu20型TiO,納米管陣列薄膜具有顯著的可見光響應(yīng)效應(yīng)關(guān)鍵詞:Cu2O—TiO異質(zhì)結(jié);微觀結(jié)構(gòu);電沉積;光電性能中圖分類號:rQ174文獻(xiàn)標(biāo)識碼:A文章編
3、號:1001—4861(2013)04—0729-06DOI:10.3969~.issn.1001—4861.2013.00.120PreparationandPhotoelectricPropertyofDiferentMorphologiesCu20LoadedonTiO2NanotubeArraysFilmsXUEJin—Bo,SHENQian—QianLIGuang—LiangLIANGWei’,王(CollegeofMateridsScienceandEngineering,TaiyuanUniversityofTechnology,Taiyuan03
4、0024,China)(2ResearchCentreofAdvancedMaterialsScienceandTechnology,TalyuanUniversityofTechnology,T~yuan030024,China)(3KeyLaboratoryofIntegCaceScienceandEngineeringinAdvancedMaterials(Min~tryofEducation),TaiyuanUniversityofTechnology,T~yuan030024,China)Abstract:ThehighlyorderedTiO2nan
5、otubearraysfilmswerefabricatedbyanodicoxidationoftitaniumfoilsubstrates.Andthen,Cu2OparticleswereloadedonTiO2nanotubearaysviagalvanostaticpulseelectrodeposition.Asaresult,Cu2O.TiO2nanotubearraysheterojunctioncompositefilmswereobtained.Theinfluenceoftheelectrolyteagitationmethods(stan
6、ding,magneticagitatingandultrasonicstirring)duringtheprocessingofdepositingCu20onthemorphologyandmicrostructureofthecompositefilmswereinvestigatedbyX—raydiffraction(XRD),fieldemittingscanningelectronmicroscopy(FESEM)andtransmissionelectronmicroscopy(TEM).Theresultsshowthattheelectrol
7、yteagitationmethodswouldaffecttheiondiffussionandlocalchemicalenvironmentintheprocessingofdepositingCu20,whichresultsinthemorphologiesevolutionofCu20particles.ThediffusereflectanceUV—VisabsorptionspectraandthephotocurrentpropertiesmeasurementsshowthatthepreparedCu2O—TiO2nanotubearray
8、scompositefi