资源描述:
《一种新型纺锤状 α-Fe2O3 纳米晶的合成、表征及其表面性能》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、SupplementaryInformationforActaPhys.-Chim.Sin.,2010,26(11):3113-3119一种新型纺锤状α-Fe2O3纳米晶的合成、表征及其表面性能詹拥共1,2陈启元1,*尹周澜1李莉莉2蔡炳新2,*12(中南大学化学化工学院,长沙410083;湖南大学化学化工学院,长沙410082)Synthesis,CharacterizationandSurfaceFunctionalizationofNovelSpindle-Likeα-Fe2O3Nanocrystals1,21,
2、*122,*ZHANYong-GongCHENQi-YuanYINZhou-LanLILi-LiCAIBing-Xin1(CollegeofChemistryandChemicalEngineering,CentralSouthUniversity,Changsha410083,P.R.China;2CollegeofChemistryandChemicalEngineering,HunanUniversity,Changsha410082,P.R.China)*Correspondingauthors.CHENQi-
3、Yuan,Email:cqy@mail.csu.edu.cn;Tel:+86-731-88821449.CAIBing-Xin,Email:cbx@hnu.cn.SupportingInformationFig.S1SEM,TEMandHRTEMimagesofNFO-1Fig.S2TEMandHRTEMimagesofNFO-11InsetsarethecorrespondingFFTdiffractogramsFig.S3TEMandHRTEMimagesofNFO-12Fig.S4SEM,TEMandHRTEMi
4、magesofNFO-2Fig.S5SEMandTEMimagesofsynthesizedtransitionmetaloxidesnanocrystalsandFe2O3/SiO2complexoxidesintheNFO-2synthesissystem(a)-(e)Mn3O4nanocrystals.Scalebarsininsetare100nm.(f)-(g)CuOnanocrystals.(h)Co3O4nanocrystalsarrays.(i)-(k)Fe2O3/SiO2complexoxides.B
5、ecauseofdifferentstructureunits,althoughtheresultedmaterialsaresynthesizedbyuniformmethods,theirmorphologiesaredifferentfromeachother.Mn3O4isuniformoctahedronshapewithadiameter~300nm,whereasCo3O4nanocrystalsarraysarecharacterizedashavingrod-likeshapewithadiamete
6、r~150nmandlength~2.4μmandCuOnanocrystalsaresheet-likemorphology.SiO2/Fe2O3complexoxidesareround-likemorphologyandFe2O3nanocrystalsareuniformlydispersedinthesilicamatrix.MnOCoMnMnCuOCuCoOCu024681012024681012Energy/KeVEnergy/KeVSiOCuCuSiFeOCu024681012024681012Ener
7、gy/KeVEnergy/KeVFig.S6ThepresenceofcarbonandcopperelementisowingtotheuseofthecoppergridscoveredwithcarbonfilmsforEDXanalysis287408601500CuO608222494541FeO/SiO232CoO34663572548MnO62734FeO23800750700650600550500450200300400500600700800-1-1Wavenumber/cmRamanshift/c
8、mFig.S7TheFT-IRspectrumofthesynthesizedtransitionmetaloxidenanocrystals(a)andRamanspectroscopyofthesynthesizedcomplexoxides(b)oThesynthesisprocedureofFe2O3/SiO2:4.76g