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Costas G. Vayenas

Costas G. Vayenas

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 57 11234 10132 43 41 225 10177

Costas G. Vayenas publications per year

The chart shows the history of publications by Costas G. Vayenas between 1976 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Costas G. Vayenas published across 50 years, from 1976 to 2025, averaging 7.6 papers a year. Output peaked at 21 publications in 1996. 20 of the 382 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1976 to 2025. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 1996. 1976: 1 publication 1977: 0 publications 1978: 0 publications 1979: 4 publications 1980: 4 publications 1981: 7 publications 1982: 6 publications 1983: 2 publications 1984: 6 publications 1985: 1 publication 1986: 2 publications 1987: 4 publications 1988: 5 publications 1989: 7 publications 1990: 5 publications 1991: 18 publications 1992: 6 publications 1993: 10 publications 1994: 7 publications 1995: 13 publications 1996: 21 publications 1997: 17 publications 1998: 10 publications 1999: 4 publications 2000: 8 publications 2001: 12 publications 2002: 4 publications 2003: 10 publications 2004: 8 publications 2005: 7 publications 2006: 13 publications 2007: 12 publications 2008: 15 publications 2009: 10 publications 2010: 8 publications 2011: 10 publications 2012: 19 publications 2013: 9 publications 2014: 6 publications 2015: 6 publications 2016: 7 publications 2017: 5 publications 2018: 5 publications 2019: 8 publications 2020: 5 publications 2021: 4 publications 2022: 7 publications 2023: 4 publications 2024: 15 publications 2025: 5 publications
1976 2025

382 publications in total across all disciplines

View publications per year as a table
Costas G. Vayenas: publications per year, 1976 to 2025
Year Publications
1976 1
1977 0
1978 0
1979 4
1980 4
1981 7
1982 6
1983 2
1984 6
1985 1
1986 2
1987 4
1988 5
1989 7
1990 5
1991 18
1992 6
1993 10
1994 7
1995 13
1996 21
1997 17
1998 10
1999 4
2000 8
2001 12
2002 4
2003 10
2004 8
2005 7
2006 13
2007 12
2008 15
2009 10
2010 8
2011 10
2012 19
2013 9
2014 6
2015 6
2016 7
2017 5
2018 5
2019 8
2020 5
2021 4
2022 7
2023 4
2024 15
2025 5
Total 382
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Costas G. Vayenas publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Costas G. Vayenas sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 221–240 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 225 publications — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216 225
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Costas G. Vayenas D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Costas G. Vayenas sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 56–57 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 57 D-Index — 39th percentile

39% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051 57
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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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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