期刊文献+

固相反应法制备纳米铈锆复合氧化物 被引量:3

The preparation of nano-complosite oxide solid solution of cerium and zirconium by solid state reaction
下载PDF
导出
摘要 以碳酸铈、碳酸锆、草酸为原料,机械力促进固相反应法制备了纳米级铈锆复合氧化物(CexZr1-XO2)。用TGDSC分析前驱体的热分解温度,通过XRD、TEM、BET等测试手段对产物进行了表征。结果表明:所得产物为单一的立方晶系固溶体,平均粒径<40nm,比表面积达98m2/g。采用中低温固相反应法制备纳米级铈锆复合氧化物无需溶剂,无废液且节能。 The precursor was synthesized by solid state reaction of Ce2 (CO)3、Zr(CO)2 and H2C2O4· 2H2O promoted by mechanic force, The crystal structure and microstructure of nanometer CexZrl- XO2 were studied by XRD.TEM and BET etc. The results showed that products were unique solid solution that the average sizes were smaller than 40nm and specific surface area reaching 98. 94m%2/g. The characteristic of this thesis lid in preparing CexZrl-XO2 solid solution adopted solid state reaction at the middle-low temperature, which was a kind of new craft according with green chemistry.
出处 《化工新型材料》 CAS CSCD 北大核心 2005年第7期13-15,共3页 New Chemical Materials
关键词 纳米铈锆复合氧化物 固相反应法 制备方法 物性测试 TG-DSC分析 热重-差热分析 ceria, zirconia, mechanic force, solid state reaction
  • 引文网络
  • 相关文献

参考文献2

二级参考文献19

  • 1方小红,董强,沈玉华,彭定坤,刘杏芹,孟广耀.单分散球形Sm掺杂的CeO_2粉体的均相沉淀法制备[J].硅酸盐学报,2002,30(z1):22-25. 被引量:6
  • 2EGUCHI K, SETOGUDHI T, INOUE T, et al. Electrical properties of ceria based oxides and their application to solid oxide fuel cell[J]. Solid StateIonics, 1992, 52: 165-172.
  • 3STUBICAN V S, HINK R C, RAY S P. Phase equilibria and ordering in the system ZrO2Y2O3 [J]. J Am Ceram Soc, 1978, 61: 17-21.
  • 4HIRATA T. Raman active modes and the tetragonalmonoclinic phase transition in ZrO2 doped with 12 mol% CeO2[J]. J Phys Chem Solids, 1995, 56(7): 951-957.
  • 5GONZALEZVELASCO J R, GUTIERREZORITIZ M A, MARC J L. Contribution of cerium/zirconium mixed oxides to the activity of a new generation of three way catalysts [J]. Appl Catal B: Environ, 1999(22): 167-178.
  • 6FORNASIERO P, DI MONTE R, RANGA RAO G, et al. Rh Loaded CeO2ZrO2 solid solutions as highly efficient oxygen exchangers: dependence of the reduction behavior and the oxygen storage capacity on the structural properties [J]. J Catal, 1995, 151(1): 168-177.
  • 7HORI C E, PERMANA H, SIMON K Y, et al. Thermal stability of oxygen storage properties in a mixed CeO2ZrO2 system [J].Appl Catal B: Environ, 1998, 16: 105-117.
  • 8DURAN P, GONZALEZ M, MOURE C, et al. A new tentative phase equilibrium diagram for the ZrO2CeO2 system in air[J]. J Mater Sci, 1990, 25(12):5 001-5 006.
  • 9YASHIMA, MASATOMO, ARASHI, et al. Raman scattering study of cubic tetragonal phase transition in Zr1-xCexO2 solid solution[J]. J Am Ceram Soc, 1994, 77(4): 1 067-1 071.
  • 10LIU W, FLYTZANISTEPHANOPOULOS M. Total oxidation of carbon monoxide and methane over transition metal fluorite oxide composite catalysts [J]. J Catal, 1995, 153(1): 317-332.

共引文献14

同被引文献79

引证文献3

二级引证文献32

;
使用帮助 返回顶部