World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
76
Citations
18467
World Ranking
4302
National Ranking
1353

James E. Penner-Hahn 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 James E. Penner-Hahn 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: 266 publications — 54th percentile

54% of scientists in this discipline score the same or lower.

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

James E. Penner-Hahn 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 James E. Penner-Hahn 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: 76 D-Index — 77th percentile

77% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2004 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1991 - Fellow of Alfred P. Sloan Foundation

Overview

James E. Penner-Hahn is affiliated with the University of Michigan-Ann Arbor in the United States. Their research spans the field of Biochemistry, Genetics and Molecular Biology with a focus on Molecular Biology, as well as areas intersecting Renewable Energy, Sustainability and the Environment, and Materials Chemistry.

Their recent scholarly output demonstrates engagement with topics such as Porphyrin Metabolism and Disorders, Folate and B Vitamins Research, Porphyrin and Phthalocyanine Chemistry, Metalloenzymes and Iron-Sulfur Proteins, Enzyme Function and Inhibition, Metal-Catalyzed Oxygenation Mechanisms, and Advanced Biosensing and Bioanalysis Techniques.

Notable recent publications include:

  • Determining the coordination environment and electronic structure of polymer-encapsulated cobalt phthalocyanine under electrocatalytic CO2 reduction conditions using in situ X-Ray absorption spectroscopy, 2020, Dalton Transactions
  • Probing a Silent Metal: A Combined X-ray Absorption and Emission Spectroscopic Study of Biologically Relevant Zinc Complexes, 2020, Inorganic Chemistry
  • An Interprotein Co-S Coordination Complex in the B12-Trafficking Pathway, 2020, Journal of the American Chemical Society
  • The Photoactive Excited State of the B12-Based Photoreceptor CarH, 2020, The Journal of Physical Chemistry B
  • Traversing the Red-Green-Blue Color Spectrum in Rationally Designed Cupredoxins, 2020, Journal of the American Chemical Society

The scientist has frequently published in venues such as the Journal of the American Chemical Society, The Journal of Physical Chemistry B, Inorganic Chemistry, Dalton Transactions, and Chemistry - A European Journal.

Collaborations have often involved several co-authors with whom there is a track record of multiple joint publications. These include Aniruddha Deb, Roseanne J. Sension, Vincent L. Pecoraro, Taylor P. McClain, and Ryan M. Lamb.

Awards recognizing their contributions include being named a Fellow of the American Association for the Advancement of Science (AAAS) in 2004 and Fellow of the Alfred P. Sloan Foundation in 1991.

Best Publications

  • X-ray absorption edge determination of the oxidation state and coordination number of copper: application to the type 3 site in Rhus vernicifera laccase and its reaction with oxygen

    Lung Shan Kau;Darlene J. Spira-Solomon;James E. Penner-Hahn;Keith O. Hodgson

  • Metal ion chaperone function of the soluble Cu(I) receptor Atx1.

    R. A. Pufahl;C. P. Singer;K. L. Peariso;S. J. Lin

  • Effect of Dopants on Zirconia Stabilization—An X‐ray Absorption Study: I, Trivalent Dopants

    Ping Li;I‐Wei ‐W Chen;James E. Penner‐Hahn

  • Structural, spectroscopic, and reactivity models for the manganese catalases.

    Amy J. Wu;James E. Penner-Hahn;Vincent L. Pecoraro

  • Oxidation state of gold and arsenic in gold-bearing arsenian pyrite

    Grigore Simon;Hui Huang;James E. Penner-Hahn;Stephen E. Kesler

  • X-ray-absorption studies of zirconia polymorphs. I. Characteristic local structures.

    Ping Li;I-Wei Chen;James E. Penner-Hahn

  • X-ray absorption spectroscopic studies of the blue copper site: Metal and ligand K-edge studies to probe the origin of the EPR hyperfine splitting in plastocyanin

    Susan E. Shadle;James E. Penner-Hahn;Harvey J. Schugar;Britt Hedman

  • Structural characterization of horseradish peroxidase using EXAFS spectroscopy: evidence for Fe=O ligation in compounds I and II

    James E. Penner-Hahn;Kim. Smith Eble;Thomas J. McMurry;Mark. Renner

  • X-ray-absorption studies of zirconia polymorphs. II. Effect of Y2O3 dopant on ZrO2 structure.

    Ping Li;I-Wei Chen;James E. Penner-Hahn

  • EXAFS and Near Edge Structure III

    Keith O. Hodgson;Britt Hedman;James E. Penner-Hahn

  • X-ray absorption spectroscopy in coordination chemistry

    James E. Penner-Hahn;James E. Penner-Hahn

  • Sulfur speciation in heavy petroleums: Information from X-ray absorption near-edge structure

    Geoffrey S. Waldo;Robert M.K. Carlson;J.Michael Moldowan;Kenneth E. Peters

  • Reexamination of lead(II) coordination preferences in sulfur-rich sites: implications for a critical mechanism of lead poisoning.

    John S. Magyar;O Tsu-Chien Weng;Charlotte M. Stern;David F. Dye

  • Cu(I) Recognition Via Cation-Pi and Methionine Interactions in Cusf.

    Yi Xue;Anna V Davis;Gurusamy Balakrishnan;Jay P Stasser

  • Structural characterization and thermal stability of MoS2 intercalation compounds

    Keenan E. Dungey;M. David Curtis;James E. Penner-Hahn

  • A short Fe-Fe distance in peroxodiferric ferritin: control of Fe substrate versus cofactor decay?

    Jungwon Hwang;Carsten Krebs;Boi Hanh Huynh;Dale E. Edmondson

  • Structural characterization of the manganese sites in the photosynthetic oxygen-evolving complex using x-ray absorption spectroscopy

    James E. Penner-Hahn;Richard M. Fronko;Vincent L. Pecoraro;Charles F. Yocum

  • Effect of Dopants on Zirconia Stabilization—An X‐ray Absorption Study: III, Charge‐Compensating Dopants

    Ping Li;I‐Wei ‐W Chen;James E. Penner‐Hahn

  • The physical and chemical action of fire suppressants

    Ronald S. Sheinson;James E. Penner-Hahn;Doren Indritz

  • Synthesis, characterization, and in vitro testing of superparamagnetic iron oxide nanoparticles targeted using folic acid-conjugated dendrimers

    Kevin J. Landmark;Stassi DiMaggio;Jesse Ward;Christopher Kelly

Frequent Co-Authors

Vincent L. Pecoraro
Vincent L. Pecoraro University of Michigan–Ann Arbor
Keith O. Hodgson
Keith O. Hodgson Stanford University
Charles F. Yocum
Charles F. Yocum University of Michigan–Ann Arbor
Thomas V. O'Halloran
Thomas V. O'Halloran Northwestern University
Edward I. Solomon
Edward I. Solomon Stanford University
Britt Hedman
Britt Hedman SLAC National Accelerator Laboratory
Carol A. Fierke
Carol A. Fierke Texas A&M University
I-Wei Chen
I-Wei Chen University of Pennsylvania
John H. Dawson
John H. Dawson University of South Carolina
Rowena G. Matthews
Rowena G. Matthews University of Michigan–Ann Arbor

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