Fabrication and characterization of Ce<sub>0.7</sub>Zr<sub>0.3</sub>O<sub>2</sub> nanorods having high specific surface area and large oxygen storage capacity_中国颗粒学会

Fabrication and characterization of Ce<sub>0.7</sub>Zr<sub>0.3</sub>O<sub>2</sub> nanorods having high specific surface area and large oxygen storage capacity_中国颗粒学会

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Partic. vol. 9 no. 1 pp. 63-68 (February 2011)
doi: 10.1016/j.partic.2010.07.002

Fabrication and characterization of Ce_0.7Zr_0.3O₂ nanorods having high specific surface area and large oxygen storage capacity

Yucheng Du^a,*, Shuli Shi^a, Hong He^b, Hongxing Dai^b

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ychengdu@bjut.edu.cn

Abstract

Nanorod-like Ce_0.7Zr_0.3O₂ solid solutions were synthesized by a sodium dodecyl sulfate-assisted precipitation method. The samples were characterized by means of scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, and specific surface area measurement. Typical Ce_0.7Zr_0.3O₂ nanorods were 40 nm in average diameter and 450 nm in length, with specific surface area and oxygen storage capacity of 194 m²/g and 374 μmol/g, respectively.

Graphical abstract

Nanorod-like Ce_0.7Zr_0.3O₂ solid solutions were synthesized by a sodium dodecyl sulfate assisted precipitation method. Typical Ce_0.7Zr_0.3O₂ nanorods were 40 nm in average diameter and 450 nm in length, with specific surface area and oxygen storage capacity of 194 m²/g and 374 μmol/g, respectively.

Keywords

Cerium–zirconium solid solution; Oxygen storage capacity; Nanorod