| 不同碳酸铵试剂对共沉淀法制备的GDC粉性状的影响 |
| Effects of the Forms of Ammonium Carbonate on Characteristics of GDC Nanopowders Synthesized via Coprecipitation Route |
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| 摘要: |
| 关键词: 钆掺杂氧化铈 碳酸铵 共沉淀 |
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| Abstract: Coprecipitation with carbonates is an effective method for synthesis of the doped ceria nanopowder. This study compared the compositions and properties of the Gd2O3-doped CeO2 (GDC) nanopowders resulted by two ammonium carbonates, including a carbonate mixture from China and a pure carbonate reagent from abroad. It was found that the precursors from the two precipitants were same to each other in composition, with a formula (NH4)0.25CeGd0.25(CO3)2·2H2O. However, the GDC nanopowder resulted by the carbonate mixture had smaller particle sizes and thus better sinterability than that resulted by the pure ammonium carbonate reagent. |
| Keywords: gadolinium doped-ceria ammonium carbonate coprecipitation |
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| 谢朝晖,朱庆山,姚生永,黄文来.不同碳酸铵试剂对共沉淀法制备的GDC粉性状的影响[J].无机化学学报,2006,22(5):935-940. |
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