World's Best Scientists 2026 revealed!
Randolph P. Thummel

Randolph P. Thummel

D-Index & Metrics

Chemistry

D-Index
66
Citations
15099
World Ranking
7299
National Ranking
2162

Randolph P. Thummel 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 Randolph P. Thummel 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: 270 publications — 55th percentile

55% of scientists in this discipline score the same or lower.

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

Randolph P. Thummel 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 Randolph P. Thummel 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: 66 D-Index — 60th percentile

60% of scientists in this discipline score the same or lower.

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

Overview

Randolph P. Thummel is affiliated with the University of Houston in the United States. Their research encompasses several areas within materials science and chemistry, with a strong emphasis on materials chemistry and renewable energy, sustainability, and the environment. They have also contributed to fields such as biomedical engineering, inorganic chemistry, and oncology.

The scientist's notable recent papers include:

  • Near-infrared absorbing Ru(ii) complexes act as immunoprotective photodynamic therapy (PDT) agents against aggressive melanoma (2020, Chemical Science)
  • Electrocatalytic Hydrogen Evolution by Cobalt Complexes with a Redox Non-Innocent Polypyridine Ligand (2021, Inorganic Chemistry)
  • Metalloimmunotherapy with Rhodium and Ruthenium Complexes: Targeting Tumor-Associated Macrophages (2022, Chemistry - A European Journal)
  • Fluorescence and Metal-Binding Properties of the Highly Preorganized Tetradentate Ligand 2,2'-Bi-1,10-phenanthroline and Its Remarkable Affinity for Cadmium(II) (2020, Inorganic Chemistry)
  • Ruthenium Photosensitizers for NIR PDT Require Lowest-Lying Triplet Intraligand (3IL) Excited States (2021, Journal of Photochemistry and Photobiology)

Their main topics of research include:

  • Nanoplatforms for cancer theranostics
  • Metal complexes synthesis and properties
  • Photodynamic Therapy Research Studies
  • CO2 Reduction Techniques and Catalysts
  • Electrocatalysts for Energy Conversion
  • Lanthanide and Transition Metal Complexes
  • Porphyrin and Phthalocyanine Chemistry

Frequent co-authors with whom they have collaborated include:

  • Hee-Seung Lee
  • Robert D. Hancock
  • Liubov M. Lifshits
  • Stuart Uritis
  • John A. Roque

Their work has commonly been published in the following venues:

  • Inorganic Chemistry
  • Chemistry - An Asian Journal
  • The Cambridge Structural Database
  • Chemical Science
  • Chemistry - A European Journal

Randolph P. Thummel's publications span materials science and chemistry, showcasing interdisciplinary connections to biomedical and environmental applications. Their studies on metal complexes and photodynamic therapy contribute to both fundamental inorganic chemistry and applied biomedical research.

Best Publications

  • Transition Metal Complexes and Photodynamic Therapy from a Tumor-Centered Approach: Challenges, Opportunities, and Highlights from the Development of TLD1433

    Susan Monro;Katsuya L. Colón;Huimin Yin;John Roque

  • A New Family of Ru Complexes for Water Oxidation

    Ruifa Zong;Randolph P Thummel

  • Chiral 2,2'-bipyridines, 1,10-phenanthrolines, and 2,2':6',2' '-terpyridines: syntheses and applications in asymmetric homogeneous catalysis.

    Giorgio Adolfo Chelucci;Randolph P. Thummel

  • Mononuclear ruthenium(II) complexes that catalyze water oxidation.

    Huan Wei Tseng;Ruifa Zong;James T. Muckerman;Randolph Thummel

  • Exploitation of Long-Lived 3IL Excited States for Metal–Organic Photodynamic Therapy: Verification in a Metastatic Melanoma Model

    Richard Lincoln;Lars Kohler;Susan Monro;Huimin Yin

  • Intramolecular Electronic Energy Transfer in Ruthenium(II) Diimine Donor/Pyrene Acceptor Complexes Linked by a Single C−C Bond

    Jerald A. Simon;Steven L. Curry;Russell H. Schmehl;Timothy R. Schatz

  • Water oxidation by a mononuclear ruthenium catalyst: characterization of the intermediates.

    Dmitry E. Polyansky;James T. Muckerman;Jonathan Rochford;Ruifa Zong

  • Color Tuning in New Metal-Free Organic Sensitizers (Bodipys) for Dye-Sensitized Solar Cells

    Duraisamy Kumaresan;Randolph P. Thummel;Thomas Bura;Gilles Ulrich

  • Enhanced Metal Ion Selectivity of 2,9-Di-(pyrid-2-yl)-1,10-phenanthroline and Its Use as a Fluorescent Sensor for Cadmium(II)

    Gregory M. Cockrell;Gang Zhang;Donald G. Vanderveer;Randolph P. Thummel

  • From Blue to Red: Syntheses, Structures, Electronic and Electroluminescent Properties of Tunable Luminescent N,N Chelate Boron Complexes

    Qin-De Liu;Maria S. Mudadu;Randolph Thummel;Ye Tao

  • Preparation and Study of a Family of Dinuclear Ru(II) Complexes That Catalyze the Decomposition of Water

    Zeping Deng;Huan-Wei Tseng;Ruifa Zong;Dong Wang

  • Ru(II) complexes of new tridentate ligands: unexpected high yield of sensitized 1O2.

    Yao Liu;Richard Hammitt;Daniel A. Lutterman;Lauren E. Joyce

  • Visible Light-Driven Hydrogen Evolution from Water Catalyzed by A Molecular Cobalt Complex

    Lianpeng Tong;Ruifa Zong;Randolph P. Thummel

  • Introduction of Benzo[h]quinoline and 1,10-Phenanthroline Subunits by Friedländer Methodology.

    Elvira C. Riesgo;Xiaoqing Jin;Randolph P. Thummel

  • The photophysical behavior of d6 complexes having nearly isoenergetic MLCT and ligand localized excited states

    Aaron I. Baba;John R. Shaw;Jerald A. Simon;Randolph P. Thummel

  • Influence of charge-transfer states on the Eu(III) luminescence in mononuclear triple helical complexes with tridentate aromatic ligands

    Stéphane Petoud;Jean-Claude G. Bünzli;Thomas Glanzman;Claude Piguet

  • N,N'-Bridged Derivatives of 2,2'-Bibenzimidazole

    Zhiqiang Shi;Randolph P. Thummel

  • Friedländer Approach for the Incorporation of 6-Bromoquinoline into Novel Chelating Ligands

    Yi-Zhen Hu;Gang Zhang;Randolph P. Thummel

  • A molecular light-driven water oxidation catalyst.

    Nattawut Kaveevivitchai;Raghu Chitta;Ruifa Zong;Maya El Ojaimi

  • Ruthenium(II) complexes of 1,12-diazaperylene and their interactions with DNA.

    Abdellatif Chouai;Sara E. Wicke;Claudia Turro;John Bacsa

  • Stereochemistry of the base-induced rearrangement of epoxides to allylic alcohols

    Randolph P. Thummel;Bruce Rickborn

Frequent Co-Authors

Jacek Waluk
Jacek Waluk Polish Academy of Sciences
Claudia Turro
Claudia Turro The Ohio State University
Etsuko Fujita
Etsuko Fujita Brookhaven National Laboratory
Giorgio Chelucci
Giorgio Chelucci University of Sassari
James T. Muckerman
James T. Muckerman Brookhaven National Laboratory
Russell H. Schmehl
Russell H. Schmehl Tulane University
Bernhard Brutschy
Bernhard Brutschy Goethe University Frankfurt
Robert D. Hancock
Robert D. Hancock University of North Carolina Wilmington
Raymond Ziessel
Raymond Ziessel University of Strasbourg
Paul G. Gassman
Paul G. Gassman University of Minnesota

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