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  Global Journal of Physical Chemistry. Volume 2, Issue 3 (2011) pp. 255-263
  Research Article
 
Physicochemical, structural and catalytic properties of CuO/Cu2(OH)3NO3:(Co:Fe) composites
  Elena V. Ischenkoa, Andrey V. Yatsimirskya, Yuriy V. Maksimovb, Nikolay I. Zakharenkoa, Snezhanna V. Gaydaya, Oleksandr A. Byedaa, Vladyslav V. Lisnyaka  
     
a Kyiv National Taras Shevchenko University, Kyiv 01601, Ukraine
b Nikolay N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russian Federation

   
  Abstract  
  The catalysts based on CuO/Cu2(OH)3NO3:(Co:Fe) composites were prepared, characterized using powder X-ray diffraction (PXRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy with electron dispersion X-ray microanalysis (SEM-EDX), Mössbauer spectroscopy, Ar desorption technique and applied for CO conversion to CO2. Comparative studies on CO conversion reveal that the composites reached with Cu2(OH)3NO3 phase and containing 20–25 nm sized hematite clusters exhibit markedly improved activity for this reaction. Temperature programmed desorption mass-spectrometry (TPD MS) was used to determine species absorbed over the composites, which are examined after activity tests, and pathways of CO conversion were proposed.
     
  Keywords  
  Oxides; Inorganic compounds; Electron microscopy; Mössbauer spectroscopy; X-ray diffraction; surface properties  
     
   
   
   
   
     

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