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D-Index & Metrics

Materials Science

D-Index
83
Citations
23926
World Ranking
2383
National Ranking
42

Ayodhya N. Tiwari 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 Ayodhya N. Tiwari 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: 394 publications — 76th percentile

76% of scientists in this discipline score the same or lower.

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

Ayodhya N. Tiwari 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 Ayodhya N. Tiwari 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: 83 D-Index — 82nd percentile

82% of scientists in this discipline score the same or lower.

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

Overview

Ayodhya N. Tiwari is affiliated with the Swiss Federal Laboratories for Materials Science and Technology in Switzerland. Their research primarily spans the fields of Engineering and Materials Science, with a strong focus on Electrical and Electronic Engineering, Materials Chemistry, Polymers and Plastics, Atomic and Molecular Physics, and Optics, as well as Automotive Engineering.

The scientist's work covers a variety of topics within materials science and engineering. Key research areas include:

  • Chalcogenide Semiconductor Thin Films
  • Perovskite Materials and Applications
  • Quantum Dots Synthesis and Properties
  • Conducting Polymers and Applications
  • Semiconductor Materials and Interfaces
  • Copper-Based Nanomaterials and Applications
  • Advancements in Battery Materials

The publication record of Ayodhya N. Tiwari features contributions in several notable venues, including:

  • Solar RRL
  • Advanced Energy Materials
  • ACS Applied Materials & Interfaces
  • Zenodo (CERN European Organization for Nuclear Research)
  • arXiv (Cornell University)

Significant recent papers authored or co-authored by Tiwari include:

  • "Multifunctional sulfonium-based treatment for perovskite solar cells with less than 1% efficiency loss over 4,500-h operational stability tests" (2024, Nature Energy)
  • "Heavy Alkali Treatment of Cu(In,Ga)Se2 Solar Cells: Surface versus Bulk Effects" (2020, Advanced Energy Materials)
  • "Physical Passivation of Grain Boundaries and Defects in Perovskite Solar Cells by an Isolating Thin Polymer" (2021, ACS Energy Letters)
  • "Mitigation of Vacuum and Illumination-Induced Degradation in Perovskite Solar Cells by Structure Engineering" (2020, Joule)
  • "Near-Infrared-Transparent Perovskite Solar Cells and Perovskite-Based Tandem Photovoltaics" (2020, Small Methods)

Frequent collaborators in their research include Fan Fu, Romain Carron, Radha K. Kothandaraman, Evgeniia Gilshtein, and Huagui Lai. This network reflects extensive joint work in related research domains.

Best Publications

  • Potassium-induced surface modification of Cu(In,Ga)Se2 thin films for high-efficiency solar cells

    Adrian Chirilă;Patrick Reinhard;Fabian Pianezzi;Patrick Bloesch

  • Highly efficient Cu(In,Ga)Se2 solar cells grown on flexible polymer films

    Adrian Chirilă;Stephan Buecheler;Fabian Pianezzi;Patrick Bloesch

  • Development of thin‐film Cu(In,Ga)Se2 and CdTe solar cells

    A. Romeo;M. Terheggen;D. Abou-Ras;D. L. Bätzner

  • High mobility transparent conducting oxides for thin film solar cells

    S. Calnan;A.N. Tiwari

  • Low-temperature-processed efficient semi-transparent planar perovskite solar cells for bifacial and tandem applications

    Fan Fu;Thomas Feurer;Timo Jäger;Enrico Avancini

  • Low cost processing of CIGS thin film solar cells

    M. Kaelin;D. Rudmann;A.N. Tiwari

  • Buffer layers and transparent conducting oxides for chalcopyrite Cu(In,Ga)(S,Se)(2) based thin film photovoltaics : Present status and current developments

    N. Naghavi;D. Abou-Ras;N. Allsop;Nicolas Barreau

  • Non‐vacuum methods for formation of Cu(In, Ga)(Se, S)2 thin film photovoltaic absorbers

    C. J. Hibberd;E. Chassaing;W. Liu;D. B. Mitzi

  • Unveiling the effects of post-deposition treatment with different alkaline elements on the electronic properties of CIGS thin film solar cells.

    Fabian Pianezzi;Patrick Reinhard;Adrian Chirilă;Benjamin Bissig

  • Progress in thin film CIGS photovoltaics – Research and development, manufacturing, and applications

    Thomas Feurer;Patrick Reinhard;Enrico Avancini;Benjamin Bissig

  • High-efficiency inverted semi-transparent planar perovskite solar cells in substrate configuration

    Fan Fu;Thomas Feurer;Thomas Paul Weiss;Stefano Pisoni

  • Doping of polycrystalline CdTe for high-efficiency solar cells on flexible metal foil

    Lukas Kranz;Christina Gretener;Julian Perrenoud;Rafael Schmitt

  • Formation and characterisation of MoSe2 for Cu(In,Ga)Se2 based solar cells

    D. Abou-Ras;G. Kostorz;D. Bremaud;M. Kälin

  • Efficiency enhancement of Cu(In,Ga)Se2 solar cells due to post-deposition Na incorporation

    D. Rudmann;A. F. da Cunha;M. Kaelin;F. Kurdesau

  • Review of Progress Toward 20% Efficiency Flexible CIGS Solar Cells and Manufacturing Issues of Solar Modules

    Patrick Reinhard;Adrian Chirila;Patrick Blosch;Fabian Pianezzi

  • CdTe/CdS solar cells on flexible substrates

    Xavier Mathew;J. Pantoja Enriquez;Alessandro Romeo;Alessandro Romeo;Ayodhya N. Tiwari;Ayodhya N. Tiwari

  • Comparative study of ITO layers deposited by DC and RF magnetron sputtering at room temperature

    F. Kurdesau;G. Khripunov;A.F. da Cunha;M. Kaelin

  • Sodium Assisted Sintering of Chalcogenides and Its Application to Solution Processed Cu2ZnSn(S,Se)4 Thin Film Solar Cells

    Carolin M. Sutter-Fella;Josua A. Stückelberger;Harald Hagendorfer;Fabio La Mattina

  • Effects of NaF coevaporation on structural properties of Cu(In, Ga)Se2 thin films

    D. Rudmann;G. Bilger;M. Kaelin;F.-J. Haug

  • 11.2% Efficient Solution Processed Kesterite Solar Cell with a Low Voltage Deficit

    Stefan G. Haass;Matthias Diethelm;Melanie Werner;Benjamin Bissig

Frequent Co-Authors

Stephan Buecheler
Stephan Buecheler Swiss Federal Laboratories for Materials Science and Technology
Yaroslav E. Romanyuk
Yaroslav E. Romanyuk Swiss Federal Laboratories for Materials Science and Technology
Daniel Abou-Ras
Daniel Abou-Ras Helmholtz-Zentrum Berlin für Materialien und Energie
Rolf Erni
Rolf Erni Swiss Federal Laboratories for Materials Science and Technology
Michael Grätzel
Michael Grätzel École Polytechnique Fédérale de Lausanne
Dimitrios Hariskos
Dimitrios Hariskos University of Stuttgart
Daniel Lincot
Daniel Lincot Centre national de la recherche scientifique, CNRS
Dierk Raabe
Dierk Raabe Max Planck Institute for Iron Research
Stefan Zaefferer
Stefan Zaefferer Max Planck Society

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