| 尖晶石型CoAl_2O_4纳米粉体的超声波化学法合成及表征(英文) |
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| 引用本文： | 吕维忠,王俊鑫,韦少慧,翁文剑,罗仲宽. 尖晶石型CoAl_2O_4纳米粉体的超声波化学法合成及表征(英文)[J]. 稀有金属材料与工程, 2010, 0(Z2) |
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| 作者姓名： | 吕维忠 王俊鑫 韦少慧 翁文剑 罗仲宽 |
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| 作者单位： | 深圳大学;浙江大学; |
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| 基金项目： | R/d Fund of Shenzhen University (200708); Innovative Experiment Fund of Shenzhen University(SY10808) |
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| 摘 要： | 在超声波辐射下前躯体法合成了尖晶石型CoAl2O4纳米粉体。超声波辐射硝酸钴、硝酸铝和脲的水溶液制得前躯体。前躯体在1000℃下焙烧6h得到粒径约27nm,比表面积约108m2·g-1的纳米CoAl2O4粉体。纳米CoAl2O4及其前躯体用热重(TG)分析、差示量热扫描(DSC),傅里叶转换红外光谱(FT-IR),X射线衍射仪(XRD),透射电镜(TEM)和比表面测试仪(BET)进行了测试分析。
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| 关 键 词： | 铝酸钴 纳米颗粒 超声波化学法 前躯体法 合成 表征 |
Sonochemical Synthesis and Characterization of Spinel CoAl_2O_4 Nanoparticles |
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| Abstract: | Spinel cobalt-aluminate (CoAl2O4) nanoparticles were synthesized with the aid of sonication by a precursor approach. Precursors were prepared by sonicating an aqueous solution of cobalt nitrate, aluminum nitrate and urea. Upon heating at 800 oC for 6 h, the precursor formed nanosized CoAl2O4 particles with a size of about 27 nm and surface area of about 108 m2?g-1. The nanosized cobalt-aluminate particles as well as the precursors were characterized by thermogravimetric analysis (TG), differential scanning ... |
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| Keywords: | cobalt aluminate nanoparticles sonochemical method precursor approach synthesis characterization |
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