| SnO2-TiO2复合颗粒的形态结构及其光催化活性 |
| |
| 引用本文： | 施利毅,李春忠,古宏晨,房鼎业. SnO2-TiO2复合颗粒的形态结构及其光催化活性[J]. 化学物理学报, 2000, 13(3): 336-341 |
| |
| 作者姓名： | 施利毅 李春忠 古宏晨 房鼎业 |
| |
| 作者单位： | 上海大学理学院化学系华东理工大学技术化学物理研究所 |
| |
| 基金项目： | 国家九五攻关项目（96-554-02）、国家自然科学基金项目（29636010） |
| |
| 摘 要： | 在气溶胶反应器中，利用ＴｉＣｌ４高温氧化反应制备超细ＴｉＯ２，采用均匀沉淀法在ＴｉＯ２表面沉积ＳｎＯ２制备ＳｎＯ２－ＴｉＯ２复合颗粒，应用ＴＥＭ、ＥＥＤＳ、ＳＲＤ、ＢＥＴ比表面积测试等手段对粒子进行表征。以活性艳红Ｘ－３Ｂ复合颗粒，应用ＴＥＭ、ＥＤＳ、ＸＲＤ、ＢＥＴ比表面积测试等手段对粒子进行表征。以活性艳红Ｘ－３Ｂ溶液为处理对象考察复合颗粒的光催化活性。结果表明ＳｎＯ２－ＴｉＯ２复合颗粒的光催化
|
| 关 键 词： | 复合颗粒 二氧化钛 二氧化锡 光催化剂 |
| 收稿时间： | 1999-08-05 |
Morphological Structure and Photocatalytic Activities of SnO2-TiO2 Composite Particles |
| |
| Shi Liyi,Li Chunzhong,Gu Hongchen and Fang Dingye. Morphological Structure and Photocatalytic Activities of SnO2-TiO2 Composite Particles[J]. Chinese Journal of Chemical Physics, 2000, 13(3): 336-341 |
| |
| Authors: | Shi Liyi Li Chunzhong Gu Hongchen Fang Dingye |
| |
| Affiliation: | Department of Chemistry,School of Science,Shanghai University,Shanghai 20007 Institute of Technical Chemistry and Physics, Technology,Shanghai 200237,Institute of Technical Chemistry and Physics, Technology,Shanghai 200237,Institute of Technical Chemistry and Physics, Technology,Shanghai 200237,Department of Chemical Engineering,East China University of Science and Technology,Shanghai 200237 |
| |
| Abstract: | Ultrafine titania particles were prepared by gas-phase oxidation of titanium tetrachloride in a high temperature tubular gas-phase reactor.The homogeneous precipitation method was used to prepare SnO2-TiO2 composite particles.The composite particles were characterized by TEM,EDS,XRD and BET surface area.The synthesized composite particles,pure ultrafine TiO2,commercial TiO2,and pure SnO2 were employed for photocatalytic degradation of azo dye active red X-3B in aerated solution.The result showed that a rapid and decolorization of the azo dye was achieved,and the photoactivity of the composite particles was higher than that of the pure ultrafine TiO2 and commercial TiO2,and the optimum loading of SnO2 on TiO2 is 15.3%.The enhanced degradation rate of X-3B using SnO2-TiO2 composite particles was attributed to increased charge separation in these systems. |
| |
| Keywords: | Composite particles Photocatalytic oxidation Titania |
| 本文献已被 维普 等数据库收录！ |
| 点击此处可从《化学物理学报》浏览原始摘要信息 |
|
点击此处可从《化学物理学报》下载全文 |
|
