采用流变相-前驱物法合成纳米级Ce-Zr-O粉末,通过XRD、TEM和比表面积测定等对产物进行了表征,同时利用XRD、热重分析及红外光谱对前驱物也进行了表征,考察了原料和分散剂种类、灼烧温度等合成条件对产物粒度的影响.实验结果表明,采用碳酸锆、碳酸铈为原料,以水杨酸为络合剂,无水乙醇作分散剂,所得前驱物在80℃干燥和600℃灼烧1h,可得到纳米级Ce-Zr-O粉末.
参考文献
| [1] | 魏坤,何地宝,翟建伟.沉淀法制备稀土氧化物纳米粉体的研究[J].稀土,1999(04):27-30. |
| [2] | Fornasierop;Balducci G;Monte R D et al.Modifica-tion of the redox behavior of CeO2 induced by structural doping with ZrO2[J].Journal of Catalysis,1996,164:173-183. |
| [3] | Trovarelli A.;Llorca J.;Deleitenburg C.;Dolcetti G.;Kiss JT.;Zamar F. .NANOPHASE FLUORITE-STRUCTURED CEO2-ZRO2 CATALYSTS PREPARED BY HIGH-ENERGY MECHANICAL MILLING - ANALYSIS OF LOW-TEMPERATURE REDOX ACTIVITY AND OXYGEN STORAGE CAPACITY[J].Journal of Catalysis,1997(2):490-502. |
| [4] | 杨毅涌 .铜、镍芳香族羧酸盐的流变相合成及热分解研究[D].武汉:武汉大学,2002. |
| [5] | Warren B E.X-Ray Diffraction[M].New York:Dover Publications,1990:251-253. |
| [6] | Trovarelli A.;Llorca J.;Deleitenburg C.;Dolcetti G.;Kiss JT.;Zamar F. .NANOPHASE FLUORITE-STRUCTURED CEO2-ZRO2 CATALYSTS PREPARED BY HIGH-ENERGY MECHANICAL MILLING - ANALYSIS OF LOW-TEMPERATURE REDOX ACTIVITY AND OXYGEN STORAGE CAPACITY[J].Journal of Catalysis,1997(2):490-502. |
| [7] | Fornasiero P;Kaspar J;Graziani M .Redox behavior of high area Rh-loaded Ce0.5Zr0.5 mixed oxide[J].Journal of Catalysis,1997,167:576-580. |
| [8] | Vidmar P.;Kaspar J.;Gubitosa G.;Graziani M.;Fornasiero P. .EFFECTS OF TRIVALENT DOPANTS ON THE REDOX PROPERTIES OF CE0.6ZR0.4O2 MIXED OXIDE[J].Journal of Catalysis,1997(1):160-168. |
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