Journal of Materials Science

, Volume 43, Issue 9, pp 3094–3100 | Cite as

Pb(Zr0.95Ti0.05)O3 powders prepared by aqueous Pechini method using one-step pyrolysis process: characterization and porous ceramics

  • Shaojun Qiu
  • Chao Gao
  • Xiaodong Zheng
  • Jin Chen
  • Chen Yang
  • Xiaoxian Gan
  • Huiqing Fan


Zr-riched lead zirconate titanate, Pb(Zr0.95Ti0.05)O3 (PZT 95/5) powders were prepared using lead acetate, zirconium oxynitrate, and titanium sulfate by aqueous Pechini method. The chelation behaviors of metallic ions and citric acid were investigated and the development of the phase formation of perovskite structure was detected. PZT 95/5 powders were obtained directly from the as-synthesized gels by one-step pyrolysis process at 450 °C for 10 h. Perovskite phase was formed at about 450 °C and no distinct intermediates were obtained. There were some carbonates as impurities but they did not affect the formation of the complete perovskite phase of PZT 95/5 ceramics after sintering at 1,100–1,150 °C for 2 h. The decomposition of few organic residues among the one-step pyrolyzed powders could form uniform porous structure and the formation mechanism of porous ceramics was also presented.


Organic Residue Lead Acetate Lead Zirconate Porous Ceramic Pechini Method 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This work was supported by the fund of the State Key Laboratory of Solidification Processing in Northwestern Polytechnical University (NPU), China.


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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Shaojun Qiu
    • 1
  • Chao Gao
    • 1
  • Xiaodong Zheng
    • 1
  • Jin Chen
    • 2
  • Chen Yang
    • 2
  • Xiaoxian Gan
    • 1
  • Huiqing Fan
    • 2
  1. 1.Xi’an Modern Chemistry Research InstituteXi’anChina
  2. 2.State Key Laboratory of Solidification Processing, School of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi’anChina

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