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Costas G. Vayenas

Costas G. Vayenas

D-Index & Metrics

Chemistry

D-Index
57
Citations
10177
World Ranking
11236
National Ranking
43

Research.com Recognitions

  • 2017 - Member of the National Academy of Engineering For fundamental studies on electrochemical modification of catalytic activity leading to the industrial design and use of new promoted catalysts.

Overview

Costas G. Vayenas is affiliated with the University of Patras in Greece. Their research primarily spans the field of Physics and Astronomy, with a significant focus on Nuclear and High Energy Physics, Renewable Energy, Sustainability and the Environment, Materials Chemistry, Astronomy and Astrophysics, and Catalysis.

Their work covers a range of main topics, including:

  • Neutrino Physics Research
  • Particle Physics Theoretical and Experimental Studies
  • Astrophysics and Cosmic Phenomena
  • CO2 Reduction Techniques and Catalysts
  • Dark Matter and Cosmic Phenomena
  • Electrocatalysts for Energy Conversion
  • Catalysts for Methane Reforming

Vayenas has contributed to various scientific publications, including frequent articles in these venues:

  • Open Access Government
  • Applied Catalysis B: Environmental
  • ACS Catalysis
  • Particle Physics at the Year of 150th Anniversary of the Mendeleev's Periodic Table of Chemical Elements
  • Chemical Engineering Journal

Recent papers include:

  • Electrochemical promotion of Ru nanoparticles deposited on a proton conductor electrolyte during CO2 hydrogenation, 2020, Applied Catalysis B: Environmental
  • Tuning the RWGS Reaction via EPOC and In Situ Electro-oxidation of Cobalt Nanoparticles, 2020, ACS Catalysis
  • Electrochemical promotion of CO2 hydrogenation in a monolithic electrochemically promoted reactor (MEPR), 2020, Applied Catalysis B: Environmental
  • Kinetic study of CO2 hydrogenation on Ru/ YSZ catalyst using a monolithic electropromoted reactor (MEPR), 2021, Chemical Engineering Journal
  • A low temperature SOFC as a self-promoted reactor for CO2 catalytic hydrogenation, 2022, Applied Catalysis B: Environmental

Collaborations have been an important aspect of their research, with frequent co-authors including:

  • Dionysios G. Tsousis
  • Dimitrios Grigoriou
  • Alexandros Katsaounis
  • Eftychia Martino
  • Dimitrios Zagoraios

Vayenas was recognized as a Member of the National Academy of Engineering in 2017, cited for fundamental studies on electrochemical modification of catalytic activity that contributed to the industrial design and use of new promoted catalysts.

Best Publications

  • Dependence of catalytic rates on catalyst work function

    C. G. Vayenas;S. Bebelis;S. Ladas

  • Non-faradaic electrochemical modification of catalytic activity: A status report

    C.G. Vayenas;S. Bebelis;I.V. Yentekakis;H.-G. Lintz

  • Non-faradaic electrochemical modification of catalytic activity

    C. G. Vayenas;S. Bebelis;S. Neophytides

  • Ionically conducting ceramics as active catalyst supports.

    Unknown

  • Origin of non-faradaic electrochemical modification of catalytic activity

    S. Ladas;S. Kennou;S. Bebelis;C. G. Vayenas

  • Modern Aspects Of Electrochemistry

    Unknown

  • Methane to ethylene with 85 percent yield in a gas recycle electrocatalytic reactor-separator.

    Y. Jiang;I. V. Yentekakis;C. G. Vayenas

  • Electrochemical Promotion and Metal–Support Interactions

    J Nicole;D Tsiplakides;C Pliangos;X.E Verykios

  • Electrochemical enhancement of a catalytic reaction in aqueous solution

    S.G. Neophytides;D. Tsiplakides;P. Stonehart;M.M. Jaksic

  • In situ controlled promotion of catalyst surfaces via NEMCA: The effect of Na on the Pt-catalyzed CO oxidation

    I.V. Yentekakis;G. Moggridge;C.G. Vayenas;R.M. Lambert

  • The effect of membrane thickness on the conductivity of Nafion

    M.N. Tsampas;A. Pikos;S. Brosda;A. Katsaounis

  • Rules of chemical promotion

    S. Brosda;C.G. Vayenas;J. Wei

  • Electrode Work Function and Absolute Potential Scale in Solid-State Electrochemistry

    Dimitrios Tsiplakides;C.G. Vayenas

  • Non-faradaic electrochemical modification of catalytic activity 4. The use of $beta;$Prime;-Al2O3 as the solid electrolyte

    C.G. Vayenas;S. Bebelis;M. Despotopoulou

  • Rules and Mathematical Modeling of Electrochemical and Chemical Promotion

    Unknown

  • Work function measurements on catalyst films subject to in situ electrochemical promotion

    S. Ladas;S. Bebelis;C.G. Vayenas

  • The Electrochemical Activation of Catalytic Reactions

    Constantinos G. Vayenas;Milan M. Jaksic;Symeon I. Bebelis;Stylianos G. Neophytides

  • Electrochemical modification of CH3OH oxidation selectivity and activity on a Pt single-pellet catalytic reactor

    C. A. Cavalca;G. Larsen;C. G. Vayenas;G. L. Haller

  • The double-layer approach to promotion, electrocatalysis, electrochemical promotion, and metal–support interactions

    Unknown

  • Chemical Cogeneration in Solid Electrolyte Cells The Oxidation of to

    I. V. Yentekakis;C. G. Vayenas

  • Non-Faradaic Electrochemical Modification of Catalytic Activity: VIII. Rh-Catalyzed C2H4 Oxidation

    C. Pliangos;I.V. Yentekakis;X.E. Verykios;C.G. Vayenas

  • Non-Faradaic Electrochemical Modification of Catalytic Activity 9. Ethylene Oxidation on Pt Deposited on TiO2

    C. Pliangos;I.V. Yentekakis;S. Ladas;C.G. Vayenas

  • Comparative isotope-aided investigation of electrochemical promotion and metal–support interactions 1. 18O2 TPD of electropromoted Pt films deposited on YSZ and of dispersed Pt/YSZ catalysts

    A. Katsaounis;Z. Nikopoulou;X.E. Verykios;C.G. Vayenas

  • Non-Faradaic Electrochemical Modification of Catalytic Activity: VII. The Case of Methane Oxidation on Platinum

    P. Tsiakaras;C.G. Vayenas

  • Support-induced promotional effects on the activity of automotive exhaust catalysts1. The case of oxidation of light hydrocarbons (C2H4)

    C. Pliangos;I.V. Yentekakis;V.G. Papadakis;C.G. Vayenas

Frequent Co-Authors

Xenophon E. Verykios
Xenophon E. Verykios University of Patras
Panagiotis Tsiakaras
Panagiotis Tsiakaras University Of Thessaly
Elena A. Baranova
Elena A. Baranova University of Ottawa
Piyasan Praserthdam
Piyasan Praserthdam Chulalongkorn University
Suttichai Assabumrungrat
Suttichai Assabumrungrat Chulalongkorn University
Stylianos G. Neophytides
Stylianos G. Neophytides Foundation for Research and Technology Hellas
José Luis Valverde
José Luis Valverde University of Castilla-La Mancha
Richard M. Lambert
Richard M. Lambert University of Cambridge
George Papatheodorou
George Papatheodorou University of Patras
Frank Tietz
Frank Tietz Forschungszentrum Jülich

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