以四氯化钛为反应前驱体,用低温水热法制备纯金红石相纳米TiO2,研究了反应温度和反应时间对TiO2微结构和形貌的影响.X-射线衍射分析表明,所有产物均为纯金红石型纳米TiO2,晶粒尺寸范围4.0～11.5 nm.红外光谱和热重分析表明,产物TiO2存在表面羟基和表面水.TEM分析表明,反应温度为60-80℃的TiO2样品呈梭形,且彼此聚集呈束状,但反应温度高于120℃时呈粒状,且粒径增加.随着反应时间(4-40 h)的延长,TiO2呈棒状,梭状及颗粒状.
参考文献
| [1] | HE Jinming,PENG Xuhong,LU Huihong,ZHAO Jihua,SHEN Weiguo,Synthesis of rutile nanoparticles by microemulsion method at low temperature,Chinese Journal of Inorganic Chemistry,24(2),191(2008)(贺进明,彭旭红,吕辉鸿,赵继华,沈伟国微乳液法低温制备纳米金红石型二氧化钛的研究,无机化学学报,24(2),191(2008)) |
| [2] | S.T.Aruna,S.Tirosh,A.Zaban,Nanosize rutile titania particle synthesis via a hydrothermal method without mineralizers,J.Mater.Chem.,10(10),2388(2000) |
| [3] | Q.Zhang,L.Gao,J.Guo,Effects of calcination on the photocatalytic properties of nanosized TiO2 powders prepared by TiCl4 hydrolysis.Appl.Catal.B Environ.,26(3),207(2000) |
| [4] | F.Pedraza,A.Vazquez,Obtention of TiO2 rutile at room temperature through direct oxidation of TiCl3,J.Phys.Chem.Solids,60(4),445(1999) |
| [5] | K.N.Kumar,K.Keizer,A.Burggraaf,Stabilization of the porous texture of nanostructured titanic by avoiding a phase transformation,J.Mater.Sci.Lett.,13(1),59(1994) |
| [6] | Z.L.Tang,J.Y.Zhang,Z.Cheng,Z.T.Zhang,Synthesis of nanosized rutile TiO2 powder at low temperature,Mater.Chem.Phys.,77(2),314(2002) |
| [7] | S.Yin,R.Li,Q.He,T.Sato,Low temperature synthesis of nanosize rutile titania crystal in liquid media,Mater,Chem.Phys.,75(1),76(2002) |
| [8] | S.Yin,K.Ihara,Y.Alta,M.Komatsu,T.Sate,Visible-light induced photocatalytic activity of TiO2-xAy(A=N,S)prepared by precipitation route,J.Photochem.Photobio A,179(1),105(2006) |
| [9] | LONG Zhen,HUAN Ximing,ZHONG jiacheng,GONG ChuQing,ZAN Ling,LUO Qirong,WANG Jianbo,Preparation and characterization of nanosize rutile titania at low temperature,Journal of Functional Materials,35(3),311(2004)(龙震,黄喜明,钟家柽,龚楚清,昝菱,罗其荣,王建波,纳米金红石型二氧化钛的低温制备及表征,功能材料,35(3),311(2004)) |
| [10] | ZHOU Zhongcheng,RUAN Jianming,ZOU Jianpeng,LI Songlin,FU Naike,Preparation of nanosized futile TiO2 powders by direct hydrolysis of TiCl4,Chinese Journal of Rare Metals,30(5),653(2006)(周忠诚,阮建明,邹俭鹏,李松林,符乃科,四氯化钛低温水解直接制备金红石型纳米二氧化钛,稀有金属,30(5),653(2006)) |
| [11] | X.Q.Chen,G.B.Gu,H.B.Liu,Z.N.Cao,Synthesis of nanocrystalline TiO2 particles by hydrolysis of titanyl organic compounds at low temperature,J.Am.Ceram.Soc.,87(6),1035(2004) |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%