[1]周晓明,刘剑洪,张培新,等.TiO2纳米晶的低温制备[J].深圳大学学报理工版,2005,22(3):277-282.
 ZHOU Xiao-wing,LIU Jian-hong,ZHANG Pei-xin,et al.Preparation of nano-particle Ti02 at low temperature[J].Journal of Shenzhen University Science and Engineering,2005,22(3):277-282.
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TiO2纳米晶的低温制备()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第22卷
期数:
2005年3期
页码:
277-282
栏目:
化学与化工
出版日期:
2005-07-30

文章信息/Info

Title:
Preparation of nano-particle Ti02 at low temperature
文章编号:
1000-2618(2005)03-0277-06
作者:
周晓明1刘剑洪1张培新1杨比鸣2张黔玲1张雪利1
1)深圳大学师范学院,深圳518060
2)吉林大学物理学院,长春130023
Author(s):
ZHOU Xiao-wing1LIU Jian-hong1ZHANG Pei-xin1YANG Bi-ming2ZHANG Qian-ling1ZHANG Xue-li1
1)Normal College Shenzhen University Shenzhen 518060 P. R .China
2)College of Physics Jilin University Changchun 130023 P. R. China
关键词:
微波辐射低温制备纳米二氧化钛锐钛矿相光催化
Keywords:
microwave radiation low temperature preparation nanotitania anatase photocatalysis
分类号:
TQ 314. 24+2
文献标志码:
A
摘要:
以Ti ( S04 )2为原料,利用微波辐射和低温水浴陈化,制备出粒径为4. 0 ~7. 0 nm的锐钛矿相Ti02,用XRD, Raman光谱和TEM等对样品进行表征;考察了水浴陈化温度和微波辐射强度对纳米Ti02粒径及晶化度的影响;以甲基橙为目标降解物,考察了纳米Ti02的光催化活性.实验结果表明,沉化温度的升高能提高锐钛矿相纳米Ti02的晶化度和光催化活性,经微波辐射和90℃水浴陈化制备的纳米Ti02具有较好的光催化活性.
Abstract:
Ti02 and Fe-Ti02(need correct formula),with crystal sizes between 4. 0~7. 0 nm,were prepared from Ti ( S04)2 in the presence of microwave radiation followed by bath ageing at low temperature. The crystals were characterized by XRD,Raman Spectra and TEM,etc. The effects of bath ageing temperature and microwave radiation intensity on crystal size and crystallization degree were investigated. The photocatalytic activities of nano-Ti02 were also studied using methyl orange as a degradation product. The results indicate that ageing temperature is positively correlated to degree of crystallization. The photocatalytic activity of anatase nano-TiO2,prepared via microwave radiation and bath ageing at 90℃ is better than that at other conditions.

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更新日期/Last Update: 2015-10-16