氧化物纳米管的水热合成及其应用复习过程.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,氧化物纳米管的水热合成及其应用,水热、溶剂热合成的装置,水热合成的优点,氧化物纳米管水热(溶剂热)条件下形成的机理,1 层状物卷曲机理,2 棒状物表面吸附生长形成,3 凹陷加深形成,4 表面活性剂辅助形成,1.,层状物卷曲机理,Ma R.Z.et al,J.Phys.Chem.B 2004,108,2115-2119,-MnO,2,纳米管,Wang X.et al,Pure Appl.Chem.,2006,78,4564.,2 棒状物表面吸附生长形成,Q.Tang et al.,J.Crystal Growth 2003,259,208214,稀土氧化物、氢氧化物纳米管,Wang X.Pure Appl.Chem.,Vol.78,No.1,pp.4564,2006,An-Wu Xu et al J J.AM.CHEM.SOC.2003,125,1494-1495,3.,凹陷加深形成,FeCl,3,+,NH,4,H,2,PO,4,220,48h,Fe,2,O,3,nanotube,Jia J.C.,Angew.Chem.Int.Ed.2005,44,4328 4333,4,表面活性剂辅助形成,Cheng F.Y.et al,Adv.Mater.2005,17,2753,Zheng D.S.et al,J.Phys.Chem.2005,109,16439,TiO,2,纳米管合成,NaOH+H,2,O+TiO,2,-anatase,170,C hydrothermal,H,+,exchange,400,C,150,C hydrothermal,TiO,2,-B,nanowires,TiO,2,-B,nanotubes,Armstrong,Armstrong,Canales,Bruce,Angew.Chem.,43,2286(2004),TiO,2,纳米管合成,H,3,Ti,3,O,7,TiO,2,-B Nanowires,Armstrong G.et al,Chem.Commun.,2005,2454,TiO,2,-B Nano,tube,s,Intercalate Li up to,Li,0.98,TiO,2,.,(330mAhg,-1,),at low rates,1.6V,2,that of anatase,(150mAhg,-1,),or Li,4,Ti,5,O,12,(160mAhg,-1,),Excellent capacity retention and reversibility 99.9%(wires),Able to sustain high charge/discharge rates,1,st,cycle irreversible capacity,problem of conductivity?,TiO,2,-B Electrode Performance,光催化制氢,Lu G.X.et al,J.Molec.Catal.A:Chemical 266(2007)7579,光催化分解,Xu J.C.,J.Mole.Catal.A:Chemical 2005,226,123127,液相催化氧化,Dmitry V.Bavykin et al,J.Catal.2005,235,1017,Au/TiO,2,nanotube,其他氧化物纳米管,VOx nanotube,CeOx nanotube,Bi,24,O,31,Br,10,SnO,2,nanotube,结论与展望,1.水（溶剂）热法是合成纳米管的有效方法，应利用我国在该领域的研究基础，合成出更多氧化物的纳米管。对合成过程进行优化，使其能够大量生产。,2.研究无机纳米管的生成机理。,3.,纳米管的各种应用的开发研究。,1 Ma R.Z.et al,J.Phys.Chem.B 2004,108,2115-2119,2 Wang X.et al,Pure Appl.Chem.,2006,78,4564.,3,Tang Q.et al.,J.Crystal Growth 2003,259,208214,4,An-Wu Xu et al J J.Am.Chem.Soc.2003,125,1494-1495,5 Jia J.C.,Angew.Chem.Int.Ed.2005,44,4328 4333,6 Cheng F.Y.et al,Adv.Mater.2005,17,2753-2756.,7 Zheng D.S.et al,J.Phys.Chem.2005,109,16439-16443.,8,Armstrong,Armstrong,Canales,Bruce Angew.Chem.2004,43,2286.,9,G.Armstrong,A.R.et al,Chem.Commun.,2005,2454,10 Wang X.et al,Adv.Mater.2003,15,1442-1445.,11 Wang X.et al,Chem.Eur.J.2003,9,5627-5635.,12,Bavykin,D.V.et al,Adv.Mater.2006,18,2807-2824.,13,Lu G.X.et al,J.Mole.Catal.A:Chemical 266(2007)7579.,14 Xu J.C.,J.Mole.Catal.A:Chemical 2005,226,123127.,15 Dmitry V.Bavykin et al,J.Catal.2005,235,1017.,16 Zhu B.L.et al,J.Mole.Catal.A 2006,249,211217.,17 Deng H.et al,Chem.Eur.J.,2005,11,6519 6524.,18 Han W.Q.et al,J.Am.Chem.Soc.,2005,127,12814-12815.,参考文献,此课件下载可自行编辑修改，仅供参考！感谢您的支持，我们努力做得更好！谢谢,