World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
63
Citations
11405
World Ranking
6303
National Ranking
1601

Ram K. Gupta publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Ram K. Gupta sits on this spectrum.

50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50 publications 1,163+

This scientist: 309 publications — 62nd percentile

62% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

Ram K. Gupta D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Ram K. Gupta sits on this spectrum.

40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40 D-Index 165+

This scientist: 63 D-Index — 53rd percentile

53% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

Overview

Ram K. Gupta is affiliated with Pittsburg State University in the United States. Their research focuses primarily on materials science, engineering, and energy, with significant contributions to subfields including electrical and electronic engineering, renewable energy, sustainability and the environment, polymers and plastics, electronic, optical and magnetic materials, and materials chemistry.

Gupta's publication record spans several topics of interest, notably:

  • Electrocatalysts for Energy Conversion
  • Supercapacitor Materials and Fabrication
  • Advanced Battery Technologies Research
  • Polymer Composites and Self-Healing
  • Advancements in Battery Materials
  • Fuel Cells and Related Materials
  • Conducting Polymers and Applications

The researcher has authored multiple recent papers including:

  • Science and engineering for non-noble-metal-based electrocatalysts to boost their ORR performance: A critical review, 2022, Coordination Chemistry Reviews
  • Molecular-MN4 vs atomically dispersed M−N4−C electrocatalysts for oxygen reduction reaction, 2021, Coordination Chemistry Reviews
  • Tailoring of electrocatalyst interactions at interfacial level to benchmark the oxygen reduction reaction, 2022, Coordination Chemistry Reviews
  • Direct solvent free synthesis of bare α-NiS, β-NiS and α-β-NiS composite as excellent electrocatalysts: Effect of self-capping on supercapacitance and overall water splitting activity, 2020, Scientific Reports
  • Facile ZnO-based nanomaterial and its fabrication as a supercapacitor electrode: synthesis, characterization and electrochemical studies, 2021, RSC Advances

Their frequent co-authors include Felipe M. de Souza, Anuj Kumar, Khuram Shahzad Ahmad, Mayankkumar L. Chaudhary, and Rutu Patel.

Gupta has published extensively in venues such as:

  • ACS Symposium Series
  • SSRN Electronic Journal
  • Journal of Energy Storage
  • International Journal of Hydrogen Energy
  • Coordination Chemistry Reviews

The scholar has also contributed to book publications primarily with Springer. These include:

  • Nanostructured Materials for Supercapacitors, 2022, Springer International Publishing
  • 3D Graphene, 2023, Springer International Publishing
  • Recent Advancements in Polymeric Materials for Electrochemical Energy Storage, 2023, Springer Science+Business Media
  • NanoCarbon: A Wonder Material for Energy Applications, 2024, Springer Nature

Best Publications

  • Supercapacitor Energy Storage Device Using Biowastes: A Sustainable Approach to Green Energy

    Kwadwo Mensah-Darkwa;Camila Zequine;Pawan K. Kahol;Ram K. Gupta

  • High Per formance and Flexible Supercapacitors based on Carbonized Bamboo Fibers for Wide Temperature Applications

    Camila Zequine;C. K. Ranaweera;Z. Wang;Sweta Singh

  • Photoconductive Schottky diode based on Al/p-Si/SnS2/Ag for optical sensor applications

    R.K. Gupta;F. Yakuphanoglu;F. Yakuphanoglu

  • Efficient hydrogen evolution in transition metal dichalcogenides via a simple one-step hydrazine reaction.

    Dustin R. Cummins;Ulises Martinez;Andriy Sherehiy;Rajesh Kappera;Rajesh Kappera

  • High-Performance Flexible Supercapacitors obtained via Recycled Jute: Bio-Waste to Energy Storage Approach

    Camila Zequine;C. K. Ranaweera;Z. Wang;Petar R. Dvornic

  • Flexible Supercapacitors: A Materials Perspective

    Soubantika Palchoudhury;Karthik Ramasamy;Ram K. Gupta;Arunava Gupta

  • Fabrication and characterization of NiO/ZnO p–n junctions by pulsed laser deposition

    R.K. Gupta;K. Ghosh;P.K. Kahol

  • Electrical properties of junction between aluminium and poly(aniline)-poly(vinyl chloride) composite

    R.K Gupta;R.A Singh

  • Removal of mercury ions from aqueous solutions by composite of polyaniline with polystyrene

    R.K. Gupta;R.A. Singh;S.S. Dubey

  • Flexible and High Performance Supercapacitors Based on NiCo2O4for Wide Temperature Range Applications.

    Ram K. Gupta;John Candler;Soubantika Palchoudhury;Karthik Ramasamy

  • Facile synthesis and morphogenesis of superparamagnetic iron oxide nanoparticles for high-performance supercapacitor applications

    Elias Mitchell;Ram K. Gupta;Kwadwo Mensah-Darkwa;Dhananjay Kumar

  • High performance supercapacitor based on multilayer of polyaniline and graphene oxide

    E. Mitchell;J. Candler;Felipe De Souza;R.K. Gupta

  • Molecular-MN4 vs atomically dispersed M−N4−C electrocatalysts for oxygen reduction reaction

    Anuj Kumar;Anuj Kumar;Shumaila Ibraheem;Tuan Anh Nguyen;Ram K. Gupta

  • Structural, optical and electrical properties of In doped CdO thin films for optoelectronic applications

    R.K. Gupta;K. Ghosh;R. Patel;S.R. Mishra

  • Facile ZnO-based nanomaterial and its fabrication as a supercapacitor electrode: synthesis, characterization and electrochemical studies

    Irum Shaheen;Khuram Shahzad Ahmad;Camila Zequine;Ram K. Gupta

  • Direct solvent free synthesis of bare α-NiS, β-NiS and α-β-NiS composite as excellent electrocatalysts: Effect of self-capping on supercapacitance and overall water splitting activity.

    Ginena Bildard Shombe;Malik Dilshad Khan;Camila Zequine;Chen Zhao

  • Layered ternary sulfide CuSbS2 nanoplates for flexible solid-state supercapacitors

    Karthik Ramasamy;Ram K. Gupta;Hunter Sims;Soubantika Palchoudhury

  • Nanostructured cobalt oxide and cobalt sulfide for flexible, high performance and durable supercapacitors

    S. Aloqayli;C.K. Ranaweera;Z. Wang;K. Siam

  • Preparation and characterization of highly conducting and transparent Al doped CdO thin films by pulsed laser deposition

    R.K. Gupta;K. Ghosh;R. Patel;S.R. Mishra

  • Ultrathin porous hierarchically textured NiCo2O4–graphene oxide flexible nanosheets for high-performance supercapacitors

    Elias Mitchell;Ashley Jimenez;Ram K. Gupta;Bipin Kumar Gupta

  • Photodiodes based on graphene oxide–silicon junctions

    D.-T. Phan;R.K. Gupta;G.-S. Chung;A.A. Al-Ghamdi

  • Removal behavior of Babool bark (Acacia nilotica) for submicro concentrations of Hg2+ from aqueous solutions: a radiotracer study

    S.S. Dubey;R.K. Gupta

Frequent Co-Authors

Kartik Ghosh
Kartik Ghosh Missouri State University
Sanjay R. Mishra
Sanjay R. Mishra University of Memphis
Fahrettin Yakuphanoglu
Fahrettin Yakuphanoglu Fırat University
Ahmed A. Al-Ghamdi
Ahmed A. Al-Ghamdi King Abdulaziz University
Mohammad Azad Malik
Mohammad Azad Malik University of Manchester
Bipin Kumar Gupta
Bipin Kumar Gupta Council of Scientific and Industrial Research
Neerish Revaprasadu
Neerish Revaprasadu University of Zululand
Lifeng Dong
Lifeng Dong Hamline University
Gautam Gupta
Gautam Gupta University of Louisville
Yusuf Al-Turki
Yusuf Al-Turki King Abdulaziz University

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