喷雾热分解法制备超细SnO2粉体及工艺参数优化
Preparation of SnO2 Ultrafine Particles by Spray Pyrolysis Method and Optimization of Technological Parameters
摘 要
以SnCl4·5H2O为前驱体,采用喷雾热分解法制备了超细SnO2粉体,研究了反应温度、前驱体溶液浓度和载气流量等工艺参数对粉体粒径和形貌的影响,并对工艺参数进行了优化.结果表明:当反应温度为600 ℃、前驱体溶液浓度为0.6 mol·L-1、载气流量为124 L·h-1时,得到的SnO2粉体平均粒径在1.4 μm左右,粒度分布均匀,结晶度高,球形度好,空心破壳少.
SnO2
超细粉体
spray pyrolysis method
SnO2
ultrafine particle
Abstract
With SnCl4·5H2O as precusor,SnO2 ultrafine particles were prepared by spray pyrolysis method. Effects of reaction temperature,precursor solution concentration and gas flow rate on the particle size and morphology of SnO2 particles were investigated. The results show that spherical SnO2 particles with an average size of 1.4 μm,uniform size distribution,good crystallinity and few shells and holes could be obtained under the experimental conditions of reaction temperature of 600 ℃,precursor solution concentration of 0.6 mol·L-1 and carrier gas flow rate of 124 L·h-1.
中图分类号 TF123
所属栏目 新材料 新工艺
基金项目 国家自然科学基金资助项目(50704038);高等学校博士学科点专项科研基金资助项目(20060533004);教育部科学技术研究重点资助项目(108170)
收稿日期 2008/3/9
修改稿日期 2009/1/9
网络出版日期
作者单位点击查看
备注李启厚(1972-),男,湖北仙桃人,副教授,博士.
引用该论文: LI Qi-hou,HE Feng,GAO Yu-bo,LIU Zhi-hong,LIU Zhi-yong. Preparation of SnO2 Ultrafine Particles by Spray Pyrolysis Method and Optimization of Technological Parameters[J]. Materials for mechancial engineering, 2009, 33(4): 50～54
李启厚,何峰,高宇波,刘志宏,刘智勇. 喷雾热分解法制备超细SnO2粉体及工艺参数优化[J]. 机械工程材料, 2009, 33(4): 50～54
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参考文献
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【8】KOROTCENKOV G,CORNET A,ROSSINYOL E,et al. Faceting characterization of tin dioxide nanocrystals deposited by spray pyrolysis from stannic chloride water solution[J].Thin Solid Films,2005,471:310-319.
【9】JANACKVIC D,JOKANOVIC V,KOSTIC-GVOZDENOVIC L,et al. Synthesis of mullite nanostructured spherical powder by ultrasonic spray pyrolysis[J].Nano Structured Material,1998,10(3):341-348.
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【12】王贵青,陈敬超,孙加林.电力机车受电弓滑板的研究状况及发展趋势[J].材料导报,2003,17(1):18-20.
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【14】高飞,杜素强,符蓉.不同速度下石墨含量对铜基摩擦材料性能的影响[J].矿业工程,2005,25(4):80-82.
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