Synthesis and Study of Bimetallic Pd-Rh System Supported on Zirconia-Doped Alumina as a Component of Three-way Catalysts

  • Aleksey A. VedyaginEmail author
  • Roman M. Kenzhin
  • Mikhail Yu. Tashlanov
  • Vladimir O. Stoyanovskii
  • Pavel E. Plyusnin
  • Yury V. Shubin
  • Ilya V. Mishakov
  • Alexander V. Kalinkin
  • Mikhail Yu. Smirnov
  • Valerii I. Bukhtiyarov
Special Issue: In Recognition of Professor Wolfgang Grünert's Contributions to the Science and Fundamentals of Selective Catalytic Reduction of NOx


The present work is aimed at preparation and detailed characterization of the Pd-Rh/γ-Al2O3-ZrO2 composition used as a component of three-way catalysts. Physicochemical properties, such as specific surface area, morphology, secondary structure, dispersity and chemical state of active components, and thermal stability along with catalytic activity were studied within this research. Textural parameters of the samples were examined using low-temperature nitrogen adsorption. Analysis of the morphology and secondary structure was performed by means of electron microscopy. Concentration of metals located on the surface and accessible for the reagents was estimated using test reaction of ethane hydrogenolysis. Method of X-ray photoelectron spectroscopy was applied to investigate the chemical state of active components. Catalytic performance and thermal stability of the samples were tested in a prompt thermal aging regime using CO oxidation reaction as a criterion for in situ characterization of the catalyst state. It was found that both these characteristics strongly depend on the nature and composition of the precursors used.


Three-way catalysts Pd-Rh nanoalloys Zr-doped alumina Thermal stability XPS 


Funding Information

The study was financially supported by the Ministry of Education and Science of the Russian Federation within the framework of subsidizing agreement of October 23, 2017 (No. 14.581.21.0028, unique agreement identifier RFMEFI58117X0028) of the Federal Target Program “Research and development in priority directions of the progress of the scientific and technological complex of Russia for the years 2014–2020.”

Compliance with Ethical Standards

The authors declare that they have no competing interests.


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Aleksey A. Vedyagin
    • 1
    Email author
  • Roman M. Kenzhin
    • 1
  • Mikhail Yu. Tashlanov
    • 1
    • 2
  • Vladimir O. Stoyanovskii
    • 1
  • Pavel E. Plyusnin
    • 2
    • 3
  • Yury V. Shubin
    • 2
    • 3
  • Ilya V. Mishakov
    • 1
    • 2
  • Alexander V. Kalinkin
    • 1
  • Mikhail Yu. Smirnov
    • 1
  • Valerii I. Bukhtiyarov
    • 1
    • 2
  1. 1.Federal Scientific Center Boreskov Institute of Catalysis SB RASNovosibirskRussian Federation
  2. 2.National Research Novosibirsk State UniversityNovosibirskRussian Federation
  3. 3.Nikolaev Institute of Inorganic Chemistry SB RASNovosibirskRussian Federation

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