Acta Phys. -Chim. Sin. ›› 1994, Vol. 10 ›› Issue (08): 720-723.doi: 10.3866/PKU.WHXB19940810

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XPS Study of the Oxygen State in LaMnyCo1-yO3 Catalysts

Zhang Rui-Feng, Li Xing-Lin, Liu She-Tian, Yu Zuo-Long, Wu Yue   

  1. Changchun Institute of Applied Chemistry,Academia Sinica,Changchun 130022
  • Received:1993-02-16 Revised:1993-07-19 Published:1994-08-15
  • Contact: Zhang Rui-Feng


A series .of LaMnyCo1-yO3 compounds were prepared by the complexation method with citric acid. XPS was used to investigate the oxygen state in perovskite-type (ABO3) Complex oxide LaMnyCo1-yO3 catalysts. The result showed that three oxygen species (α,β,β') are present in the oxides, and that theα-species is the active oxygen species in catalytical oxidation.

Key words: Oxygen species, XPS study, Catalysts