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J. Sérgio Seixas de Melo

J. Sérgio Seixas de Melo

University of Coimbra
Portugal

D-Index & Metrics

Chemistry

D-Index
50
Citations
8299
World Ranking
14459
National Ranking
122

J. Sérgio Seixas de Melo 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 J. Sérgio Seixas de Melo 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: 644 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: 253 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: 203 publications — 34th percentile

34% of scientists in this discipline score the same or lower.

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

J. Sérgio Seixas de Melo 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 J. Sérgio Seixas de Melo 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: 776 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 647 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: 50 D-Index — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Overview

J. Sérgio Seixas de Melo is affiliated with the University of Coimbra in Portugal. Their research spans primarily the fields of Materials Science and Chemistry, with significant contributions in the subfields of Materials Chemistry, Electrical and Electronic Engineering, Organic Chemistry, Physical and Theoretical Chemistry, and Renewable Energy, Sustainability and the Environment.

The research topics covered include:

  • Luminescence and Fluorescent Materials
  • Porphyrin and Phthalocyanine Chemistry
  • Photochemistry and Electron Transfer Studies
  • Organic Light-Emitting Diodes Research
  • Molecular Sensors and Ion Detection
  • Advanced battery technologies research
  • Photochromic and Fluorescence Chemistry

The scientist has contributed frequently to several publication venues, notably:

  • Physical Chemistry Chemical Physics
  • The Cambridge Structural Database
  • Dyes and Pigments
  • Journal of Molecular Liquids
  • The Journal of Physical Chemistry C

Among recent publications, notable papers include:

  • "Enhancing the electrical conductivity and the dielectric features of ZnO nanoparticles through Co doping effect for energy storage applications," 2023, Journal of Materials Science Materials in Electronics
  • "Aggregation-Induced Emission: From Small Molecules to Polymers-Historical Background, Mechanisms and Photophysics," 2021, Topics in Current Chemistry
  • "Engineering Metal Halide Perovskite Nanocrystals with BODIPY Dyes for Photosensitization and Photocatalytic Applications," 2024, Journal of the American Chemical Society
  • "Effect of Co Doping on the Physical Properties and Organic Pollutant Photodegradation Efficiency of ZnO Nanoparticles for Environmental Applications," 2024, Nanomaterials
  • "Room-Temperature Phosphorescence and Efficient Singlet Oxygen Production by Cyclometalated Pt(II) Complexes with Aromatic Alkynyl Ligands," 2020, Inorganic Chemistry

Frequently collaborating researchers include:

  • Marta Piñeiro
  • Carla Cunha
  • João Pina
  • Ana Clara B. Rodrigues
  • Estefanía Delgado-Pinar

Best Publications

  • Comprehensive Evaluation of the Absorption, Photophysical, Energy Transfer, Structural, and Theoretical Properties of α-Oligothiophenes with One to Seven Rings

    Ralph S. Becker;J. Seixas de Melo;António L. Maçanita,†,‖ and;Fausto Elisei

  • Heavy-atom effects on metalloporphyrins and polyhalogenated porphyrins

    Emı́lia G. Azenha;Arménio C. Serra;Marta Pineiro;Mariette M. Pereira

  • Photophysical Behavior of Coumarins as a Function of Substitution and Solvent: Experimental Evidence for the Existence of a Lowest Lying 1(n,.pi.*) State

    J. Sérgio Seixas de Melo;Ralph S. Becker;António L. Maçanita

  • Photophysical and Spectroscopic Studies of Indigo Derivatives in Their Keto and Leuco Forms

    J. Seixas de Melo;and A. P. Moura;M. J. Melo

  • COMPREHENSIVE INVESTIGATION OF THE SOLUTION PHOTOPHYSICS AND THEORETICAL ASPECTS OF OLIGOTHIOPHENES OF 1-7 RINGS

    R. S. Becker;J. Seixas de Melo;A. L. Macanita;Fausto Elisei

  • Singlet and triplet energies of α-oligothiophenes: A spectroscopic, theoretical, and photoacoustic study: Extrapolation to polythiophene

    J. Seixas de Melo;Luı́s M. Silva;Luı́s G. Arnaut;R. S. Becker

  • Fluorescence Enhancement of the Water- Soluble Poly{1,4-phenylene-[9,9-bis- (4-phenoxybutylsulfonate)]fluorene-2,7-diyl} Copolymer in n-Dodecylpentaoxyethylene Glycol Ether Micelles

    H. D. Burrows;V. M. M. Lobo;J. Pina;M. L. Ramos

  • Spectroscopy and photophysics of 4- and 7-hydroxycoumarins and their thione analogs

    J Seixas de Melo;P.F Fernandes

  • S1∼>T1 intersystem crossing in π-conjugated organic polymers

    Hugh D. Burrows;J. Seixas de Melo;C. Serpa;L. G. Arnaut

  • Characterization of the Triplet State of Tris(8-hydroxyquinoline)aluminium(III) in Benzene Solution

    Hugh D. Burrows;Mariana Fernandes;J. Seixas de Melo;and Andrew P. Monkman

  • The use of microspectrofluorimetry for the characterization of lake pigments.

    Ana Claro;Maria J. Melo;Stephan Schäfer;J. Sérgio Seixas de Melo

  • Triplet state dynamics on isolated conjugated polymer chains

    H.D. Burrows;J. Seixas de Melo;C. Serpa;L.G. Arnaut

  • Alternating Binaphthyl-Thiophene Copolymers: Synthesis, Spectroscopy, and Photophysics and Their Relevance to the Question of Energy Migration versus Conformational Relaxation

    J. Pina;J. Seixas de Melo;H. D. Burrows;A. L. Maçanita

  • Photophysics of thiophene based polymers in solution: The role of nonradiative decay processes

    J. Seixas de Melo;H. D. Burrows;Mattias Svensson;Mats R. Andersson

  • A photochemical study on the blue dye indigo: from solution to ancient Andean textiles.

    Micaela M Sousa;Catarina Miguel;Isa Rodrigues;A Jorge Parola

  • A Study in Mauve: Unveiling Perkin's Dye in Historic Samples

    Micaela M. Sousa;Maria J. Melo;A. Jorge Parola;Peter J. T. Morris

  • Picosecond conformational relaxation of singlet excited polyfluorene in solution

    Fernando B. Dias;António L. Maçanita;J. Seixas de Melo;Hugh D. Burrows

  • Spectral and Photophysical Studies of Substituted Indigo Derivatives in Their Keto Forms

    J. Sérgio Seixas de Melo;Raquel Rondão;Hugh D. Burrows;Maria J. Melo

  • Excited-State Dynamics and Self-Organization of Poly(3-hexylthiophene) (P3HT) in Solution and Thin Films

    Bruno Ferreira;Palmira Ferreira da Silva;J. Sérgio Seixas de Melo;João Pina

  • On the triplet state of poly(N-vinylcarbazole)

    J. Pina;J. Seixas de Melo;H.D. Burrows;A.P. Monkman

  • Photophysics of an Indigo Derivative (Keto and Leuco Structures) with Singular Properties

    J Seixas de Melo;R Rondão;H D Burrows;M J Melo

Frequent Co-Authors

Hugh D. Burrows
Hugh D. Burrows University of Coimbra
Ullrich Scherf
Ullrich Scherf University of Wuppertal
Carlos Lodeiro
Carlos Lodeiro Universidade Nova de Lisboa
Fernando Pina
Fernando Pina Universidade Nova de Lisboa
João C. Lima
João C. Lima Universidade Nova de Lisboa
Andrew P. Monkman
Andrew P. Monkman Durham University
Enrique García-España
Enrique García-España University of Valencia
Isabel S. Gonçalves
Isabel S. Gonçalves University of Aveiro
Martyn Pillinger
Martyn Pillinger University of Aveiro
Juan Casado
Juan Casado University of Malaga

External Links

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Best Scientists Citing J. Sérgio Seixas de Melo

Hugh D. Burrows

Hugh D. Burrows

University of Coimbra

Publications: 82

Carlos Lodeiro

Carlos Lodeiro

Universidade Nova de Lisboa

Publications: 56

Ullrich Scherf

Ullrich Scherf

University of Wuppertal

Publications: 44

M. Manuela M. Raposo

M. Manuela M. Raposo

University of Minho

Publications: 40

Andrew P. Monkman

Andrew P. Monkman

Durham University

Publications: 38

Mariette M. Pereira

Mariette M. Pereira

University of Coimbra

Publications: 38

Enrique García-España

Enrique García-España

University of Valencia

Publications: 32

Fernando Pina

Fernando Pina

Universidade Nova de Lisboa

Publications: 29

Kirk S. Schanze

Kirk S. Schanze

The University of Texas at San Antonio

Publications: 28

José Luis Capelo

José Luis Capelo

Universidade Nova de Lisboa

Publications: 27

João C. Lima

João C. Lima

Universidade Nova de Lisboa

Publications: 23

Xiaozhang Zhu

Xiaozhang Zhu

Chinese Academy of Sciences

Publications: 23

Min Wei

Min Wei

Beijing University of Chemical Technology

Publications: 22

Wei Huang

Wei Huang

Northwestern Polytechnical University

Publications: 20

Xue Duan

Xue Duan

Beijing University of Chemical Technology

Publications: 20

Mario Leclerc

Mario Leclerc

Université Laval

Publications: 19

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