World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
56
Citations
10236
World Ranking
11728
National Ranking
19

Patricia J. Kooyman 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 Patricia J. Kooyman sits on this spectrum.

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 publications 1,295+

This scientist: 152 publications — 15th percentile

15% of scientists in this discipline score the same or lower.

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

Patricia J. Kooyman 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 Patricia J. Kooyman sits on this spectrum.

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 D-Index 159+

This scientist: 56 D-Index — 36th percentile

36% of scientists in this discipline score the same or lower.

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

Overview

Patricia J. Kooyman is affiliated with the University of Cape Town in South Africa. Their research spans primarily across the fields of Materials Science, Engineering, and Energy, with a strong focus on several specialized subfields including Materials Chemistry, Renewable Energy, Sustainability and the Environment, Electrical and Electronic Engineering, Catalysis, and Mechanical Engineering.

Their scholarly work covers diverse topics within these areas, notably:

  • Electrocatalysts for Energy Conversion
  • Catalytic Processes in Materials Science
  • Catalysts for Methane Reforming
  • Catalysis and Hydrodesulfurization Studies
  • Fuel Cells and Related Materials
  • Nanoparticles Nucleation Surface Interactions
  • Advanced Materials Characterization Techniques

Patricia J. Kooyman has collaborated frequently with several coauthors, including:

  • Darija Susac
  • Rhiyaad Mohamed
  • Ziba S. H. S. Rajan
  • Tobias Binninger
  • Anja Olafsen Sjåstad

Their research has been published in multiple scientific venues, with repeated contributions in:

  • ACS Catalysis
  • Nanoscale Advances
  • Catalysis Science & Technology
  • Journal of Catalysis
  • Catalysts

Selected recent publications with year and venue include:

  • Organometallic chemical deposition of crystalline iridium oxide nanoparticles on antimony-doped tin oxide support with high-performance for the oxygen evolution reaction, 2020, Catalysis Science & Technology
  • Investigation of the Active Phase in K-Promoted MoS2 Catalysts for Methanethiol Synthesis, 2020, ACS Catalysis
  • Manganese promotion of a cobalt Fischer-Tropsch catalyst to improve operation at high conversion, 2022, Journal of Catalysis
  • Carbon-Supported KCoMoS2 for Alcohol Synthesis from Synthesis Gas, 2021, Catalysts
  • Empowering Catalyst Supports: A New Concept for Catalyst Design Demonstrated in the Fischer-Tropsch Synthesis, 2023, ACS Catalysis

Best Publications

  • Study of the LiFePO4/FePO4 Two-Phase System by High-Resolution Electron Energy Loss Spectroscopy

    L. Laffont;C. Delacourt;P. Gibot;M. Yue Wu

  • The Relation between Morphology and Hydrotreating Activity for Supported MoS2 Particles

    Ejm Emiel Hensen;PJ Kooyman;van der Y Meer;van der Am Kraan

  • Visualization of oscillatory behaviour of Pt nanoparticles catalysing CO oxidation

    S.B. Vendelbo;Christian Fink Elkjær;H. Falsig;I. Puspitasari

  • Iridium-based double perovskites for efficient water oxidation in acid media

    Oscar Diaz-Morales;Stefan Raaijman;Ruud Kortlever;Patricia J. Kooyman;Patricia J. Kooyman

  • Nanoscale chemical imaging of a working catalyst by scanning transmission X-ray microscopy

    Emiel de Smit;Ingmar Swart;J. Fredrik Creemer;Gerard H. Hoveling

  • Intermediate stages of electrochemical oxidation of single-crystalline platinum revealed by in situ Raman spectroscopy

    Yi-Fan Huang;Patricia J. Kooyman;Marc T. M. Koper

  • A new synthesis of mesoporous MSU-X silica controlled by a two-step pathway

    Cédric Boissiere;André Larbot;Arie Van Der Lee;Patricia J. Kooyman

  • A study on the stability of MCM-41-supported heteropoly acids under liquid- and gas-phase esterification conditions

    Michel J. Verhoef;Patricia J. Kooyman;Joop A. Peters;Herman van Bekkum

  • Effect of high-temperature treatment on Fe/ZSM-5 prepared by chemical vapor deposition of FeCl3: I. Physicochemical characterization

    Ejm Emiel Hensen;Q Qingjun Zhu;Marco Mrm Marco Hendrix;AR Arian Overweg

  • MAS NMR, TPR, and TEM studies of the interaction of NiMo with alumina and silica-alumina supports

    Lianglong Qu;Weiping Zhang;Patricia J Kooyman;Roel Prins

  • The Formation of Well-Defined Hollow Silica Spheres with Multilamellar Shell Structure

    Q Qianyao Sun;PJ Kooyman;JG Grossmann;Phh Paul Bomans

  • Evolution of Fe species during the synthesis of over-exchanged Fe/ZSM5 obtained by chemical vapor deposition of FeCl3

    A.A. Battiston;J.H. Bitter;F.M.F. de Groot;A.R. Overweg

  • Influence of the Preparation of Au/Al2O3 on CH4 Oxidation Activity

    R.J.H. Grisel;P.J. Kooyman;B.E. Nieuwenhuys

  • The role of the active phase of Raney-type Ni catalysts in the selective hydrogenation of d-glucose to d-sorbitol

    B.W Hoffer;E Crezee;F Devred;P.R.M Mooijman

  • Hydroxylation of phenol with hydrogen peroxide on EUROTS-1 catalyst

    JA Martens;Ph Buskens;PA Jacobs;van der Ajhp Arjan Pol

  • Controlling the Morphology of Mesostructured Silicas by Pseudomorphic Transformation: a Route Towards Applications†

    A. Galarneau;J. Iapichella;K. Bonhomme;F. Di Renzo

  • Assembly of Mesoporous Silica Molecular Sieves Based on Nonionic Ethoxylated Sorbitan Esters as Structure Directors

    Eric Prouzet;Frederic Cot;Georges Nabias;André Larbot

  • Partial Transformation of MCM-41 Material into Zeolites: Formation of Nanosized MFI Type Crystallites

    Michel J. Verhoef;Patricia J. Kooyman;Jan C. van der Waal;Marcello S. Rigutto

  • Selective oxidation of benzene to phenol with nitrous oxide over MFI zeolites: 1. On the role of iron and aluminum

    Ejm Emiel Hensen;Q Qingjun Zhu;Raj René Janssen;Pcmm Pieter Magusin

  • A MEMS Reactor for Atomic-Scale Microscopy of Nanomaterials Under Industrially Relevant Conditions

    J.F. Creemer;S. Helveg;P.J. Kooyman;A.M. Molenbroek

Frequent Co-Authors

Stig Helveg
Stig Helveg Technical University of Denmark
Freek Kapteijn
Freek Kapteijn Delft University of Technology
Emiel J. M. Hensen
Emiel J. M. Hensen Eindhoven University of Technology
Jacob A. Moulijn
Jacob A. Moulijn Delft University of Technology
Joost W. M. Frenken
Joost W. M. Frenken Leiden University
Hynd Remita
Hynd Remita University of Paris-Saclay
André Larbot
André Larbot Centre national de la recherche scientifique, CNRS
Tapio Salmi
Tapio Salmi Åbo Akademi University
Cédric Boissière
Cédric Boissière Sorbonne University
Päivi Mäki-Arvela
Päivi Mäki-Arvela Åbo Akademi University

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