CIESC Journal
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梅燕;韩业斌;聂祚仁
北京工业大学材料科学与工程学院,北京 100022
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Preparation of different CeO2 precursors with precipitator urea
MEI Yan;HAN Yebin;NIE Zuoren
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Abstract: CeO2 precursors were prepared by the homogeneous precipitation method, hydrothermal synthesis method and hydrothermal precipitation coupling method using urea as a precipitator.The results indicated that urea was a reserve resource of CO2-3.CeO2 precursors were orthorhombic Ce2O(CO3)2·H2O, hexagonal Ce(OH)(CO3), orthorhombic CeO(CO3)2·H2O respectively when the homogeneous precipitation method, hydrothermal synthesis method and hydrothermal precipitation coupling method were used.The synthesis technology had a great effect on the precursors.Different precursors were synthesized through various processes and mechanisms.When heated up to the temperature of 500℃, the precursors were all finally changed into face centred cubic CeO2 powders.
梅燕;韩业斌;聂祚仁 . 用尿素作沉淀剂制备不同CeO2前驱体 [J]. CIESC Journal.
MEI Yan;HAN Yebin;NIE Zuoren.
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https://hgxb.cip.com.cn/CN/Y2006/V57/I9/2241