用尿素作沉淀剂制备不同CeO<sub>2</sub>前驱体

MEI Yan; HAN Yebin; NIE Zuoren

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用尿素作沉淀剂制备不同CeO₂前驱体

更新时间：2025-12-10

- 用尿素作沉淀剂制备不同CeO₂前驱体
- CIESC Journal Issue 9, (2006)
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- Online First：25 September 2006，
  
  Published：25 September 2006
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MEI Yan, HAN Yebin, NIE Zuoren. 用尿素作沉淀剂制备不同CeO₂前驱体[J]. CIESC Journal, 2006, (9).
DOI：

MEI Yan, HAN Yebin, NIE Zuoren. 用尿素作沉淀剂制备不同CeO₂前驱体[J]. CIESC Journal, 2006, (9). DOI：

摘要

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.

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用尿素作沉淀剂制备不同CeO2前驱体

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用尿素作沉淀剂制备不同CeO₂前驱体