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Roger Guilard

D-Index & Metrics

Chemistry

D-Index
67
Citations
19302
World Ranking
6800
National Ranking
234

Roger Guilard 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 Roger Guilard 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: 620 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

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

Roger Guilard 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 Roger Guilard 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: 67 D-Index — 62nd percentile

62% 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

  • 2015 - Member of Academia Europaea
  • 2011 - Member of the European Academy of Sciences

Overview

Roger Guilard is affiliated with the University of Burgundy in France and has contributed extensively to research in Materials Science, particularly focusing on Porphyrin and Phthalocyanine Chemistry. Their work spans multiple subfields including Materials Chemistry, Pulmonary and Respiratory Medicine, Electrical and Electronic Engineering, Molecular Biology, and Physiology.

Their research topics cover a range of specialized areas such as:

  • Porphyrin and Phthalocyanine Chemistry
  • Photodynamic Therapy Research Studies
  • Luminescence and Fluorescent Materials
  • Photochemistry and Electron Transfer Studies
  • Organic Light-Emitting Diodes Research
  • Melanin and Skin Pigmentation
  • Bioluminescence and Chemiluminescence Research

Roger Guilard has collaborated frequently with several researchers, including:

  • Karl M. Kadish
  • Benoît Habermeyer
  • Kevin M. Smith
  • Tatevik Chilingaryan
  • W. Ryan Osterloh

Their scholarly output includes publications in various venues, with significant contributions to:

  • Series on Chemistry, Energy and the Environment
  • Journal of Porphyrins and Phthalocyanines
  • Handbook of Porphyrin Science
  • Molecules
  • Integrative Zoology

Notable recent papers include:

  • The TDDFT Excitation Energies of the BODIPYs; The DFT and TDDFT Challenge Continues, 2021, Molecules
  • Fur glowing under ultraviolet: in situ analysis of porphyrin accumulation in the skin appendages of mammals, 2022, Integrative Zoology
  • Bactericidal efficiency of porphyrin systems, 2021, Journal of Porphyrins and Phthalocyanines
  • Naturally occurring porphyrins: The colored molecules of life, 2024, Journal of Porphyrins and Phthalocyanines
  • Fur glowing under ultraviolet: in situ analysis of porphyrin accumulation in the skin appendages of mammals, 2022, Research Square (Research Square)

Roger Guilard has also contributed to several book publications, primarily with World Scientific and World Scientific Publishing Company eBooks. Among these are multiple volumes of the Handbook of Porphyrin Science published in 2020 and 2024, as well as titles such as Towards Multiple Applications of Porphyrinoids (2025).

Regarding professional recognition, Roger Guilard has been awarded membership in the Academia Europaea in 2015 and the European Academy of Sciences in 2011.

Best Publications

  • The porphyrin handbook

    Karl M. Kadish;Kevin M. Smith;Roger Guilard

  • Supramolecular chemistry of metalloporphyrins.

    Irina Beletskaya;Vladimir S. Tyurin;Aslan Yu. Tsivadze;Roger Guilard

  • Cobalt(III) Corroles as Electrocatalysts for the Reduction of Dioxygen: Reactivity of a Monocorrole, Biscorroles, and Porphyrin--Corrole Dyads

    Karl M. Kadish;Laurent Frémond;Zhongping Ou;Jianguo Shao

  • Conformations and coordination schemes of carboxylate and carbamoyl derivatives of the tetraazamacrocycles cyclen and cyclam, and the relation to their protonation states

    M. Meyer;V. Dahaoui-Gindrey;Claude Lecomte;Roger Guilard

  • Mechanism of four-electron reduction of dioxygen to water by ferrocene derivatives in the presence of perchloric acid in benzonitrile, catalyzed by cofacial dicobalt porphyrins.

    Shunichi Fukuzumi;Ken Okamoto;Claude P. Gros;Roger Guilard

  • Some aspects of organometallic chemistry in metalloporphyrin chemistry: synthesis, chemical reactivity, and electrochemical behavior of porphyrins with metal-carbon bonds

    Roger Guilard;Karl M. Kadish

  • Role of the spacer in the singlet-singlet energy transfer mechanism (Förster vs Dexter) in cofacial bisporphyrins.

    Sébastien Faure;Christine Stern;Roger Guilard;Pierre D. Harvey

  • Double-Decker actinide porphyrins and phthalocyanines. Synthesis and spectroscopic characterization of neutral, oxidized, and reduced homo- and heteroleptic complexes

    K. M. Kadish;G. Moninot;Y. Hu;D. Dubois

  • The photophysics and photochemistry of cofacial free base and metallated bisporphyrins held together by covalent architectures

    Pierre D. Harvey;Christine Stern;Claude P. Gros;Roger Guilard

  • Synthesis and characterization of a superoxo complex of the dicobalt cofacial diporphyrin [(.mu.-O2)Co2(DPB)(1,5-diphenylimidazole)2][PF6], the structure of the parent dicobalt diporphyrin Co2(DPB), and a new synthesis of the free-base cofacial diporphyrin H4(DPB)

    James P. Collman;James E. Hutchison;Michel Angel Lopez;Alain Tabard

  • Peroxotitanium(IV) porphyrins. Synthesis, stereochemistry, and properties

    Roger Guilard;Jean Marc Latour;Claude Lecomte;Jean Claude Marchon

  • Micellar effects on the aggregation of tetraanionic porphyrins. Spectroscopic characterization of free-base meso-tetrakis(4-sulfonatophenyl)porphyrin, (TPPS)H2, and (TPPS)M (M = zinc(II), copper(II), and vanadyl) in aqueous micellar media

    Karl M. Kadish;G. B. Maiya;C. Araullo;R. Guilard

  • Synthesis and Characterization of Cofacial Metallodiporphyrins Involving Cobalt and Lewis Acid Metals: New Dinuclear Multielectron Redox Catalysts of Dioxygen Reduction

    Roger Guilard;Stephane Brandes;Catherine Tardieux;Alain Tabard

  • Persistent Electron-Transfer State of a π-Complex of Acridinium Ion Inserted between Porphyrin Rings of Cofacial Bisporphyrins

    Makiko Tanaka;Kei Ohkubo;Claude P. Gros;Roger Guilard

  • Catalytic activity of biscobalt porphyrin-corrole dyads toward the reduction of dioxygen.

    Karl M. Kadish;Laurent Frémond;Jing Shen;Ping Chen

  • New Porphycene Ligands: Octaethyl‐ and Etioporphycene (OEPc and EtioPc)—Tetra‐ and Pentacoordinated Zinc Complexes of OEPc

    Emanuel Vogel;Peter Koch;Xue‐Long Hou;Johann Lex

  • Handbook of porphyrin science : with applications to chemistry, physics, materials science, engineering, biology and medicine

    Karl M. Kadish;Kevin M. Smith;Roger Guilard

  • New Synthesis of trans-Disubstituted Cyclam Macrocycles – Elucidation of the Disubstitution Mechanism on the Basis of X-ray Data and Molecular Modeling

    Guy Royal;Valérie Dahaoui-Gindrey;Slimane Dahaoui;Alain Tabard

  • Enhanced Electron‐Transfer Properties of Cofacial Porphyrin Dimers through π–π Interactions

    Atsuro Takai;Claude P. Gros;Jean‐Michel Barbe;Roger Guilard

  • Clarification of the oxidation state of cobalt corroles in heterogeneous and homogeneous catalytic reduction of dioxygen.

    Karl M Kadish;Jing Shen;Laurent Frémond;Ping Chen

  • Handbook of Porphyrin Science (Volume 11): With Applications to Chemistry, Physics, Materials Science, Engineering, Biology and Medicine

    Karl M Kadish;Kevin M Smith;Roger Guilard

Frequent Co-Authors

Karl M. Kadish
Karl M. Kadish University of Houston
Jean-Michel Barbe
Jean-Michel Barbe University of Burgundy
Irina P. Beletskaya
Irina P. Beletskaya Lomonosov Moscow State University
Claude Lecomte
Claude Lecomte University of Lorraine
Pierre D. Harvey
Pierre D. Harvey Université de Sherbrooke
James P. Collman
James P. Collman Stanford University
Shunichi Fukuzumi
Shunichi Fukuzumi Osaka University
Robert J. P. Corriu
Robert J. P. Corriu University of Montpellier
François Jérôme
François Jérôme University of Poitiers
James E. Hutchison
James E. Hutchison University of Oregon

External Links

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Best Scientists Citing Roger Guilard

Shunichi Fukuzumi

Shunichi Fukuzumi

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Publications: 202

Karl M. Kadish

Karl M. Kadish

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Publications: 94

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Rhodes University

Publications: 81

Irina P. Beletskaya

Irina P. Beletskaya

Lomonosov Moscow State University

Publications: 69

Kei Ohkubo

Kei Ohkubo

Osaka University

Publications: 68

Jonathan L. Sessler

Jonathan L. Sessler

The University of Texas at Austin

Publications: 67

Mathias O. Senge

Mathias O. Senge

Trinity College Dublin

Publications: 66

Roberto Paolesse

Roberto Paolesse

University of Rome Tor Vergata

Publications: 58

Jianzhuang Jiang

Jianzhuang Jiang

University of Science and Technology Beijing

Publications: 55

Atsuhiro Osuka

Atsuhiro Osuka

Kyoto University

Publications: 53

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Pierre D. Harvey

Université de Sherbrooke

Publications: 51

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José A. S. Cavaleiro

University of Aveiro

Publications: 48

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Daniel T. Gryko

Polish Academy of Sciences

Publications: 47

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Jonathan S. Lindsey

North Carolina State University

Publications: 44

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Technion – Israel Institute of Technology

Publications: 44

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Publications: 42

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