Kinetics and Catalysis

, Volume 59, Issue 2, pp 174–178 | Cite as

Low-Temperature Oxidation of Carbon Monoxide: The Synthesis and Properties of a Catalyst Based on Titanium Dioxide, Nanodiamond, and Palladium for CO Oxidation

  • N. N. VershininEmail author
  • O. N. Efimov
  • E. N. Kabachkov
  • E. N. Kurkin


A catalyst based on TiO2 and nanodiamond with a 10 wt % palladium content of the catalyst was synthesized. The effect of the nanodiamond content on the catalytic properties in a reaction of CO oxidation at room temperature and low concentrations of CO (<100 mg/m3) was studied. It was established that, at a nanodiamond content of the catalyst from 7 to 9 wt % and a palladium content of 10 wt %, the rate of CO oxidation reached a maximum, and it was higher by a factor of 2.5 than the rate of CO oxidation on a catalyst based on pure TiO2, which included palladium clusters. With the use of transmission electron microscopy, XRD X-ray diffractometry, and X-ray photoelectron spectroscopy, it was found that the clusters of palladium covered with palladium oxide with an average cluster size of 4 nm were formed on the surface of the TiO2 carrier. It was assumed that the catalyst synthesized is promising for applications in catalytic and photocatalytic air-cleaning systems.


low-temperature oxidation of CO catalyst based on titanium dioxide nanodiamond and palladium 


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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • N. N. Vershinin
    • 1
    Email author
  • O. N. Efimov
    • 1
  • E. N. Kabachkov
    • 1
    • 2
  • E. N. Kurkin
    • 1
    • 2
  1. 1.Institute of Problems of Chemical PhysicsRussian Academy of SciencesChernogolovka, Moscow oblastRussia
  2. 2.Chernogolovka Research CenterRussian Academy of SciencesChernogolovka, Moscow oblastRussia

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