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Keywords:

  • chemisorption;
  • colloids;
  • copper;
  • nanostructures;
  • supported catalysts
Thumbnail image of graphical abstract

Al2O3-supported copper nanoparticles prepared from cetyltrimethylammonium bromide (CTAB) capped copper nanoparticles are effective water-gas shift catalysts. High activity can be explained by the presence of well-dispersed Cu nanoparticles on the alumina support due to strong interaction between CTAB and the Cu nanoparticles.