Catalysis Letters

, Volume 127, Issue 1–2, pp 101–106 | Cite as

Direct Decomposition of N2O over Cesium-doped CuO Catalysts

  • Nayeem Pasha
  • N. Lingaiah
  • P. Siva Sankar Reddy
  • P. S. Sai Prasad


A series of Cs promoted copper oxide catalysts were prepared by co-precipitation method and tested for the direct decomposition of nitrous oxide (N2O). The Cs promoted catalysts were more active particularly with a molar ratio of Cs/Cu at 0.1 compared to bulk CuO. Methods of XRD, BET, XPS, H2-TPR, and N2O-TPD were used to characterize these catalysts to evaluate structure activity relationship. The characterization results indicated that the addition of Cs could improve the reduction of Cu2+–Cu0 by facilitating the desorption of adsorbed oxygen species, during the N2O decomposition. The influences of oxygen and steam on N2O decomposition over these catalysts were also studied.


Nitrous oxide Copper oxide Cesium Decomposition 


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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Nayeem Pasha
    • 1
  • N. Lingaiah
    • 1
  • P. Siva Sankar Reddy
    • 1
  • P. S. Sai Prasad
    • 1
  1. 1.Catalysis Laboratory, Inorganic and Physical Chemistry DivisionIndian Institute of Chemical TechnologyHyderabadIndia

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