Brief Communication

Journal of Nanoparticle Research

, Volume 11, Issue 3, pp 737-741

Ultrasonic-induced synthesis of high surface area colloids CeO2–ZrO2

  • Jinxue GuoAffiliated withKey Laboratory of Eco-Chemical Engineering, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology
  • , Xueqiong XinAffiliated withKey Laboratory of Eco-Chemical Engineering, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology
  • , Xiao ZhangAffiliated withKey Laboratory of Eco-Chemical Engineering, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology
  • , Shusheng ZhangAffiliated withKey Laboratory of Eco-Chemical Engineering, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology Email author 

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Abstract

The nanostructures of high surface area ceria–zirconia colloids have been successfully synthesized via a sonochemical method in the presence of polyethylene glycol 600. Their structural characteristics have been investigated using powder XRD, FESEM, BET surface area, TG, and other techniques. The average size of CeO2–ZrO2 nanoparticles is estimated to be 3.7 nm using Debye–Scherrer’s equation. The BET analysis indicates that colloids CeO2–ZrO2 have a remarkably high surface area of 226 m2 g−1.

Keywords

Ceria–zirconia colloids Ultrasonic synthesis High surface area Oxygen storage capacity Nanoparticles