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Gregory L. Geoffroy

Gregory L. Geoffroy

Iowa State University
United States

D-Index & Metrics

Chemistry

D-Index
53
Citations
7388
World Ranking
13323
National Ranking
3487

Gregory L. Geoffroy 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 Gregory L. Geoffroy 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: 271 publications — 56th percentile

56% of scientists in this discipline score the same or lower.

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

Gregory L. Geoffroy 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 Gregory L. Geoffroy 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: 53 D-Index — 28th percentile

28% 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

  • 1991 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1982 - Fellow of John Simon Guggenheim Memorial Foundation
  • 1978 - Fellow of Alfred P. Sloan Foundation

Overview

Gregory L. Geoffroy is affiliated with Iowa State University in the United States. Their academic and professional background includes recognition as a fellow by several prominent scientific organizations.

Throughout their career, they have been awarded the title of Fellow of the American Association for the Advancement of Science (AAAS) in 1991. Earlier distinctions include being named a Fellow of the John Simon Guggenheim Memorial Foundation in 1982, as well as a Fellow of the Alfred P. Sloan Foundation in 1978.

While detailed records of their recent papers, co-authors, publication venues, and specific fields or topics of study are not documented here, the honors they have received indicate engagement with scientific research that has earned professional acknowledgment over multiple decades.

Best Publications

  • Mixed-Metal Clusters.

    Wayne L. Gladfelter;Gregory L. Geoffroy

  • Photochemistry of [W(CO)5{C(OMe)Ph}]. Formation of alkyne-carbene complexes and studies of their decomposition reactions

    Henry C. Foley;Leslie M. Strubinger;Tom S. Targos;Gregory L. Geoffroy

  • Direct SIMS Observation of Methylidyne, Methylene, and Methyl Intermediates on a Ni(111) Methanation Catalyst

    Mark P. Kaminsky;Nicholas. Winograd;Gregory L. Geoffroy;M. Albert. Vannice

  • Photoassisted polymerization of terminal alkynes by W(CO)6 involving catalyst generation by an alkyne to vinylidene ligand rearrangement

    Shayne J. Landon;Peter M. Shulman;Gregory L. Geoffroy

  • Addition and cycloaddition reactions of the nucleophilic oxo and sulfido complexes [tmtaa]Ti=X (X=O, S; tmtaa = dianion of 7,16-dihydro-6,8,15,17-tetramethyldibenzo[b,i][1,4,8,11]tetraazacyclotetradecine)

    Chris E. Housmekerides;David L. Ramage;Christine M. Kretz;John T. Shontz

  • Carbon-supported FeMn and KFeMn clusters for the synthesis of C2C4 olefins from CO and H2: I. Chemisorption and catalytic behavior

    Jeremy Venter;Mark Kaminsky;Gregory L. Geoffroy;M.Albert Vannice

  • Interaction of Ketenes with Organometaliic Compounds: Ketene, Ketenyl, and Ketenylidene Complexes

    Gregory L. Geoffroy;Sherri L. Bassner

  • Electronic spectral studies of planar rhodium(I) and iridium(I) complexes containing .pi.-acceptor ligands

    Rosemary Brady;Brendan R. Flynn;Gregory L. Geoffroy;Harry B. Gray

  • Transient generation of the reactive carbene complex [Cp(CO)2W = CH(Tol)]+ and its reactions with alkynes to form vinylcarbene, allyl, naphthol, diene, and metallafuran complexes

    Kevin E. Garrett;John B. Sheridan;Daniel B. Pourreau;Wu Chang Feng

  • Characterization of supported silver catalysts. I: Adsorption of O2, H2, N2O and the H2-titration of adsorbed oxygen on well-dispersed Ag on TiO2

    S.Razi Seyedmonir;Doris E. Strohmayer;Gregory L. Geoffroy;M.Albert Vannice

  • Electronic Structures and Spectra of Hexakisphenylisocyanide Complexes of Cr(0), Mo(0), W(0), Mn(I), and Mn(II)

    K. R. Mann;K. R. Mann;M. Cimolino;M. Cimolino;G. L. Geoffroy;G. L. Geoffroy;G. S. Hammond;G. S. Hammond

  • Synthesis of Tetranuclear Mixed-Metal Clusters via the Reaction of Co(CO)4- with Closed Metal Carbonyl Trimers. Crystal and Molecular Structure of (Ph3P)2NCoRu3(CO)13.

    Paul C. Steinhardt;Wayne L. Gladfelter;A. Dale Harley;Joseph R. Fox

  • Photochemistry of transition metal hydride complexes. 1. Photoinduced elimination of molecular hydrogen from chlorodihydrotris(triphenylphosphine)iridium and trihydrotris(triphenylphosphine)iridium

    Gregory L. Geoffroy;Ronald Pierantozzi

  • Addition, Cycloaddition, and Metathesis Reactions of the Cationic Carbyne Complexes [Cp(CO)2Mn.tplbond.CCH2R]+ and Neutral Vinylidene Complexes Cp(CO)2M:C:C(H)R (M = Mn, Re)

    Michael R. Terry;Lisa A. Mercando;Colleen Kelley;Gregory L. Geoffroy

  • Reaction of Cp*MoCl4 and Cp*WCl4 with H2O, H2S, amines, and hydrazines. Formation of the trioxo anions [Cp*Mo(O)3]- and [Cp*W(O)3]- and the trisulfido anion [Cp*W(S)3]-

    Melinda S. Rau;Christine M. Kretz;Gregory L. Geoffroy;Arnold L. Rheingold

  • Carbon-supported FeMn and KFeMn clusters for the synthesis of C2C4 olefins from CO and H2: II. Activity and selectivity maintenance and regenerability

    Jeremy Venter;Mark Kaminsky;Gregory L. Geoffroy;M.Albert Vannice

  • Carbon-supported Fe-Ru catalysts prepared from stoichiometric mixed-metal carbonyl clusters

    Mark Kaminsky;Ki J. Yoon;Gregory L. Geoffroy;M.Albert Vannice

  • Sol–Gel Processing of Lead Titanate in 2‐Methoxyethanol: Investigations into the Nature of the Prehydrolyzed Solutions

    Thomas W. Dekleva;James M. Hayes;Leslie E. Cross;Gregory L. Geoffroy

  • Addition and cycloaddition reactions of the chiral and highly nucleophilic alkynyl manganese complex [(.eta.5-C5H4Me)(CO)(PPh3)MnC.tplbond.CMe]-

    Colleen Kelley;Noel Lugan;Michael R. Terry;Gregory L. Geoffroy

  • Formyl, acyl, and carbene derivatives of Fe3(.mu.3-EPh)2(CO)9 (E = nitrogen or phosphorus). Unique examples of carbene-nitrene and carbene-phosphinidene coupling

    Gregory D. Williams;Gregory L. Geoffroy;Robert R. Whittle;Arnold L. Rheingold

Frequent Co-Authors

Arnold L. Rheingold
Arnold L. Rheingold University of California, San Diego
Wayne L. Gladfelter
Wayne L. Gladfelter University of Minnesota
Chad A. Mirkin
Chad A. Mirkin Northwestern University
Kuang-Lieh Lu
Kuang-Lieh Lu Fu Jen Catholic University
Harry B. Gray
Harry B. Gray California Institute of Technology
George S. Hammond
George S. Hammond University of Hawaii at Manoa
Mark Bradley
Mark Bradley University of Edinburgh
M.Albert Vannice
M.Albert Vannice Pennsylvania State University
Steven J. Geib
Steven J. Geib University of Pittsburgh
Wu-chang Feng
Wu-chang Feng Portland State University

External Links

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Related Online Degrees & Career Pathways

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For those considering advanced scientific practice, becoming a pharmacist requires significant education. Understanding how much schooling to be a pharmacist is essential for planning long-term educational commitments. Overall, these related degrees and pathways highlight the diverse opportunities available to chemistry students.

Best Scientists Citing Gregory L. Geoffroy

Heinrich Vahrenkamp

Heinrich Vahrenkamp

University of Freiburg

Publications: 35

Antonio Tiripicchio

Antonio Tiripicchio

University of Parma

Publications: 24

Pierre Braunstein

Pierre Braunstein

University of Strasbourg

Publications: 23

Paul R. Raithby

Paul R. Raithby

University of Bath

Publications: 19

Yun Chi

Yun Chi

National Tsing Hua University

Publications: 19

Juan Forniés

Juan Forniés

Universidad de Zaragoza

Publications: 19

Helmut Werner

Helmut Werner

University of Würzburg

Publications: 18

Shie-Ming Peng

Shie-Ming Peng

National Taiwan University

Publications: 18

Wing-Tak Wong

Wing-Tak Wong

Hong Kong Polytechnic University

Publications: 18

Fabio Ragaini

Fabio Ragaini

University of Milan

Publications: 18

Michael I. Bruce

Michael I. Bruce

Stanford University

Publications: 17

Rinaldo Poli

Rinaldo Poli

Laboratoire de Chimie de Coordination

Publications: 17

Gene-Hsiang Lee

Gene-Hsiang Lee

National Taiwan University

Publications: 17

Miguel A. Esteruelas

Miguel A. Esteruelas

University of Zaragoza

Publications: 16

Arnd Vogler

Arnd Vogler

University of Regensburg

Publications: 16

Sergio Cenini

Sergio Cenini

University of Milan

Publications: 15

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