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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 43 17044 15399 82 79 103 11839

Stavros Karakalos publications per year

The chart shows the history of publications by Stavros Karakalos between 2006 and 2023, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Stavros Karakalos published across 18 years, from 2006 to 2023, averaging 6.6 papers a year. Output peaked at 22 publications in 2022. 25 of the 118 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 2006 to 2023. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2022. 2006: 2 publications 2007: 0 publications 2008: 4 publications 2009: 2 publications 2010: 1 publication 2011: 2 publications 2012: 2 publications 2013: 1 publication 2014: 1 publication 2015: 1 publication 2016: 5 publications 2017: 16 publications 2018: 18 publications 2019: 15 publications 2020: 10 publications 2021: 13 publications 2022: 22 publications 2023: 3 publications
2006 2023

118 publications in total across all disciplines

View publications per year as a table
Stavros Karakalos: publications per year, 2006 to 2023
Year Publications
2006 2
2007 0
2008 4
2009 2
2010 1
2011 2
2012 2
2013 1
2014 1
2015 1
2016 5
2017 16
2018 18
2019 15
2020 10
2021 13
2022 22
2023 3
Total 118
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Stavros Karakalos 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 Stavros Karakalos 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, 101–120 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: 103 publications — 2nd percentile

2% 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
101–120 623 103
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
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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Stavros Karakalos 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 Stavros Karakalos 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, 42–43 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: 43 D-Index — 5th percentile

5% 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 43
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
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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Overview

Stavros Karakalos is affiliated with the Foundation for Research and Technology Hellas in Greece. Their research primarily focuses on materials science, with a strong emphasis on materials chemistry, renewable energy, sustainability, and catalysis.

The main fields of study in their work include:

  • Materials Science

Subfields of study cover:

  • Materials Chemistry
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering
  • Catalysis
  • Organic Chemistry

The primary research topics addressed by Karakalos explore:

  • Electrocatalysts for Energy Conversion
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Catalytic Processes in Materials Science
  • Fuel Cells and Related Materials
  • Advanced Battery Technologies Research
  • Ammonia Synthesis and Nitrogen Reduction

They have contributed to several recent papers, including:

  • "Single Cobalt Sites Dispersed in Hierarchically Porous Nanofiber Networks for Durable and High-Power PGM-Free Cathodes in Fuel Cells" (2020, Advanced Materials)
  • "Tuning the thermal activation atmosphere breaks the activity-stability trade-off of Fe-N-C oxygen reduction fuel cell catalysts" (2023, Nature Catalysis)
  • "Atomically dispersed single iron sites for promoting Pt and Pt3Co fuel cell catalysts: performance and durability improvements" (2021, Energy & Environmental Science)
  • "Atomically dispersed single Ni site catalysts for high-efficiency CO2 electroreduction at industrial-level current densities" (2022, Energy & Environmental Science)
  • "Ternary PtIrNi Catalysts for Efficient Electrochemical Ammonia Oxidation" (2020, ACS Catalysis)

Karakalos collaborates frequently with other researchers in the field. Notable coauthors include:

  • Mark D. Smith
  • Sophya Garashchuk
  • Gang Wu
  • Corey R. Martin
  • Kyoung Chul Park

Their publications have appeared most often in the following venues:

  • The Cambridge Structural Database
  • Energy & Environmental Science
  • Angewandte Chemie International Edition
  • Angewandte Chemie
  • ACS Catalysis

Best Publications

  • Single Atomic Iron Catalysts for Oxygen Reduction in Acidic Media: Particle Size Control and Thermal Activation.

    Hanguang Zhang;Sooyeon Hwang;Maoyu Wang;Zhenxing Feng

  • Atomically dispersed manganese catalysts for oxygen reduction in proton-exchange membrane fuel cells

    Jiazhan Li;Jiazhan Li;Mengjie Chen;David A. Cullen;Sooyeon Hwang

  • Highly active atomically dispersed CoN 4 fuel cell cathode catalysts derived from surfactant-assisted MOFs: carbon-shell confinement strategy

    Yanghua He;Sooyeon Hwang;David A. Cullen;M. Aman Uddin

  • Thermally Driven Structure and Performance Evolution of Atomically Dispersed FeN4 Sites for Oxygen Reduction

    Jiazhan Li;Jiazhan Li;Hanguang Zhang;Widitha Samarakoon;Weitao Shan

  • Metal-organic framework-derived nitrogen-doped highly disordered carbon for electrochemical ammonia synthesis using N2 and H2O in alkaline electrolytes

    Shreya Mukherjee;David A. Cullen;Stavros Karakalos;Kexi Liu

  • Ordered Pt3Co Intermetallic Nanoparticles Derived from Metal-Organic Frameworks for Oxygen Reduction.

    Xiao Xia Wang;Sooyeon Hwang;Yung-Tin Pan;Kate Chen

  • Single Cobalt Sites Dispersed in Hierarchically Porous Nanofiber Networks for Durable and High-Power PGM-Free Cathodes in Fuel Cells.

    Yanghua He;Hui Guo;Sooyeon Hwang;Xiaoxuan Yang

  • 3D porous graphitic nanocarbon for enhancing the performance and durability of Pt catalysts: a balance between graphitization and hierarchical porosity

    Zhi Qiao;Sooyeon Hwang;Xing Li;Xing Li;Chenyu Wang

  • Atomically dispersed single iron sites for promoting Pt and Pt3Co fuel cell catalysts: performance and durability improvements

    Zhi Qiao;Chenyu Wang;Chenzhao Li;Yachao Zeng

  • Surface refinement and electronic properties of graphene layers grown on copper substrate: An XPS, UPS and EELS study

    A. Siokou;F. Ravani;S. Karakalos;O. Frank

  • Ternary PtIrNi Catalysts for Efficient Electrochemical Ammonia Oxidation

    Yi Li;Yi Li;Xing Li;Xing Li;Hemanth Somarajan Pillai;Judith Lattimer

  • High-performance ammonia oxidation catalysts for anion-exchange membrane direct ammonia fuel cells

    Yi Li;Yi Li;Hemanth Somarajan Pillai;Teng Wang;Sooyeon Hwang

  • Hydrogen Generation via Ammonia Decomposition on Highly Efficient and Stable Ru-free Catalysts: Approaching Complete Conversion at 450 oC

    Unknown

  • Morphology Control of Carbon-Free Spinel NiCo2O4 Catalysts for Enhanced Bifunctional Oxygen Reduction and Evolution in Alkaline Media

    Surya Vamsi Devaguptapu;Sooyeon Hwang;Stavros Karakalos;Shuai Zhao

  • Atomically Dispersed Single Ni Site Catalysts for Nitrogen Reduction toward Electrochemical Ammonia Synthesis Using N2 and H2O

    Shreya Mukherjee;Xiaoxuan Yang;Weitao Shan;Widitha Samarakoon

  • Dynamically Unveiling Metal-Nitrogen Coordination during Thermal Activation to Design High-Efficient Atomically Dispersed CoN 4 Active Sites.

    Yanghua He;Qiurong Shi;Weitao Shan;Xing Li

  • Promoting Atomically Dispersed MnN4 Sites via Sulfur Doping for Oxygen Reduction: Unveiling Intrinsic Activity and Degradation in Fuel Cells.

    Lin Guo;Sooyeon Hwang;Boyang Li;Fan Yang

  • Engineering Atomically Dispersed FeN4 Active Sites for CO2 Electroreduction

    Nadia Mohd Adli;Weitao Shan;Sooyeon Hwang;Widitha Samarakoon

  • Atomically Dispersed MnN4 Catalysts via Environmentally Benign Aqueous Synthesis for Oxygen Reduction: Mechanistic Understanding of Activity and Stability Improvements

    Mengjie Chen;Xing Li;Xing Li;Fan Yang;Boyang Li

  • Quaternary FeCoNiMn-Based Nanocarbon Electrocatalysts for Bifunctional Oxygen Reduction and Evolution: Promotional Role of Mn Doping in Stabilizing Carbon

    Shiva Gupta;Shuai Zhao;Xiao Xia Wang;Sooyeon Hwang

  • 3D polymer hydrogel for high-performance atomic iron-rich catalysts for oxygen reduction in acidic media

    Zhi Qiao;Hanguang Zhang;Stavros Karakalos;Sooyeon Hwang

Frequent Co-Authors

Gang Wu
Gang Wu Washington University in St. Louis
Dong Su
Dong Su Chinese Academy of Sciences
Sooyeon Hwang
Sooyeon Hwang Brookhaven National Laboratory
Guofeng Wang
Guofeng Wang University of Pittsburgh
David A. Cullen
David A. Cullen Oak Ridge National Laboratory
Zhenxing Feng
Zhenxing Feng Oregon State University
Mark D. Smith
Mark D. Smith University of South Carolina
Cynthia M. Friend
Cynthia M. Friend Harvard University
Robert J. Madix
Robert J. Madix Harvard University
William E. Mustain
William E. Mustain University of South Carolina

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