| 氧化铈纳米中空球的制备及表征 |
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| 引用本文： | 陈杨,隆仁伟,陈志刚. 氧化铈纳米中空球的制备及表征[J]. 硅酸盐学报, 2010, 38(2): 265-270 |
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| 作者姓名： | 陈杨 隆仁伟 陈志刚 |
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| 作者单位： | 江苏工业学院材料科学与工程学院;常州市高分子新材料重点实验室,江苏,常州,213164;江苏工业学院材料科学与工程学院 |
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| 基金项目： | 江苏省工业支撑计划(BE2008037);;常州市工业科技攻关(CE2007068,CE2008083)资助项目 |
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| 摘 要： | 以聚苯乙烯(polystyrene,PS)微球为模板制备PS/CeO2复合颗粒,然后煅烧去除PS模板形成CeO2纳米中空球。用X射线衍射、透射电镜、场发射扫描电镜、选区电子衍射、能谱分析、Fourier转换红外光谱、热重分析表征样品的相组成、形貌和微观结构。将所制备的CeO2纳米中空球用于甲基橙模拟染料废水的脱色处理。结果表明:CeO2中空球粒径在200～250nm,壳层是由粒径为5～10nm的纳米CeO2颗粒紧密堆积组成,其厚度为15～20nm。经CeO2纳米中空球脱色处理90min后,甲基橙溶液的脱色率可达99%以上,对甲基橙模拟染料废水表现出良好的脱色能力。
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| 关 键 词： | 聚苯乙烯/氧化铈复合颗粒 氧化铈中空球 模板法 脱色率 |
SYNTHESIS AND CHARACTERIZATION OF CeO2 HOLLOW NANOSPHERES |
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| CHEN Yang,LONG Renwei,CHEN Zhigang. SYNTHESIS AND CHARACTERIZATION OF CeO2 HOLLOW NANOSPHERES[J]. Journal of The Chinese Ceramic Society, 2010, 38(2): 265-270 |
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| Authors: | CHEN Yang LONG Renwei CHEN Zhigang |
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| Affiliation: | 1.School of Materials Science and Engineering;Jiangsu Polytechnic University;2.Key Laboratory of Polymer Materials;Changzhou 213164;Jiangsu;China |
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| Abstract: | Cerium oxide (CeO2) hollow nanospheres were synthesized via a simple polystyrene sphere template method.The phase composition,morphology and microstructure of the as-synthesized products were characterized by X-ray diffraction,transmission electron microscopy,selected area electron diffraction,field emission scanning electron microscopy,energy dispersive analysis of X-rays,Fourier transform infrared spectra,thermogravimetric analysis.The decolorizing performance of the CeO2 hollow nanospheres on methyl oran... |
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| Keywords: | polystyrene/cerium oxide composite nanoparticles cerium oxide hollow nanospheres template method decolour rate |
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