World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
46
Citations
16116
World Ranking
15835
National Ranking
872

H. Q. Nimal Gunaratne 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 H. Q. Nimal Gunaratne 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: 154 publications — 15th percentile

15% of scientists in this discipline score the same or lower.

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

H. Q. Nimal Gunaratne 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 H. Q. Nimal Gunaratne 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: 46 D-Index — 12th percentile

12% of scientists in this discipline score the same or lower.

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

Overview

H. Q. Nimal Gunaratne is affiliated with Queen's University Belfast in the United Kingdom and specializes in the field of Chemistry. Their work spans various subfields including Organic Chemistry, Catalysis, Materials Chemistry, Renewable Energy, Sustainability and the Environment, and Spectroscopy.

The main topics of Gunaratne's research focus on:

  • Ionic liquids properties and applications
  • Molecular Sensors and Ion Detection
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Advanced Photocatalysis Techniques
  • Supramolecular Chemistry and Complexes
  • Advanced oxidation water treatment
  • Marine and coastal ecosystems

Gunaratne has contributed to several publications in a variety of scientific journals. Notable recent papers include:

  • "Photocatalytic removal of the cyanobacterium Microcystis aeruginosa PCC7813 and four microcystins by TiO2 coated porous glass beads with UV-LED irradiation," 2020, The Science of The Total Environment
  • "Design and synthesis of pyridinamide functionalized ionic liquids for efficient conversion of carbon dioxide into cyclic carbonates," 2022, Journal of CO2 Utilization
  • "Graphitic-C3N4 coated floating glass beads for photocatalytic destruction of synthetic and natural organic compounds in water under UV light," 2020, Journal of Photochemistry and Photobiology A Chemistry
  • "Light-Triggered Switchable Ionic Liquid Aqueous Two-Phase Systems," 2020, ACS Sustainable Chemistry & Engineering
  • "Taming Tris(bipyridine)ruthenium(II) and Its Reactions in Water by Capture/Release with Shape-Switchable Symmetry-Matched Cyclophanes," 2022, Journal of the American Chemical Society

Frequent publication venues where Gunaratne's work has appeared include:

  • ACS Sustainable Chemistry & Engineering
  • The Science of The Total Environment
  • Journal of CO2 Utilization
  • Journal of Photochemistry and Photobiology A Chemistry
  • Journal of the American Chemical Society

Collaboration is a significant aspect of Gunaratne's research. Frequent co-authors include:

  • Peter K. J. Robertson
  • Chaoyi Yao
  • A. Prasanna de Silva
  • Carlos J. Pestana
  • Jianing Hui

Best Publications

  • Signaling Recognition Events with Fluorescent Sensors and Switches.

    A. Prasanna de Silva;H. Q. Nimal Gunaratne;Thorfinnur Gunnlaugsson;Allen J. M. Huxley

  • Molecular fluorescent signalling with ‘fluor–spacer–receptor’ systems: approaches to sensing and switching devices via supramolecular photophysics

    Richard A. Bissell;A. Prasanna de Silva;H. Q. Nimal Gunaratne;P. L. Mark Lynch

  • Novel biocompatible cholinium-based ionic liquids—toxicity and biodegradability

    Marija Petkovic;Jamie L. Ferguson;H. Q. Nimal Gunaratne;Rui Ferreira

  • Fluorescent PET (photoinduced electron transfer) sensors

    Richard A. Bissell;A. Prasanna de Silva;H. Q. Nimal Gunaratne;P. L. Mark Lynch

  • Integration of Logic Functions and Sequential Operation of Gates at the Molecular-Scale

    Amilra De Silva;Isabelle M. Dixon;Harambage Gunaratne;T. Gunnlaugsson

  • New Fluorescent Model Compounds for the Study of Photoinduced Electron Transfer: The Influence of a Molecular Electric Field in the Excited State

    A. Prasanna de Silva;H. Q. Nimal Gunaratne;Jean-Louis Habib-Jiwan;Colin P. McCoy

  • Molecular Photoionic AND Logic Gates with Bright Fluorescence and “Off−On” Digital Action

    A. Prasanna de Silva;H. Q. Nimal Gunaratne;Colin P. McCoy

  • Dissolution of cork biopolymers in biocompatible ionic liquids

    Helga Garcia;Rui Ferreira;Marija Petkovic;Jamie L. Ferguson

  • X-Y-ZH Systems as potential 1,3-dipoles : Part 15. Amine generated azaallyl anios versus metallo-1,3-dipoles in cycloadditions of α-amino acid esters. Facile regio- and stereo-specific formation of pyrrolidines

    Darrin A. Barr;Ronald Grigg;H.Q.Nimal Gunaratne;James Kemp

  • Arenedicarboximide Building Blocks for Fluorescent Photoinduced Electron Transfer pH Sensors Applicable with Different Media and Communication Wavelengths

    Lynda M. Daffy;A. Prasanna de Silva;H. Q. Nimal Gunaratne;Christian Huber

  • Direct visual indication of pH windows: ‘off–on–off’ fluorescent PET (photoinduced electron transfer) sensors/switches

    A. Prasanna de Silva;H. Q. Nimal Gunaratne;Colin P. McCoy

  • Proton‐Controlled Switching of Luminescence in Lanthanide Complexes in Aqueous Solution: pH Sensors Based on Long‐Lived Emission

    A. Prasanna de Silva;H. Q. Nimal Gunaratne;Terence E. Rice

  • ‘Off–on’ fluorescent sensors for physiological levels of magnesium ions based on photoinduced electron transfer (PET), which also behave as photoionic OR logic gates

    A. Prasanna de Silva;H. Q. Nimal Gunaratne;Glenn E. M. Maguire

  • Luminescence and charge transfer. Part 4. ‘On–off’ fluorescent PET (photoinduced electron transfer) sensors with pyridine receptors: 1,3-diaryl-5-pyridyl-4,5-dihydropyrazoles

    A. Prasanna de Silva;H. Q. Nimal Gunaratne;P. L. Mark Lynch

  • Fluorescent switches with high selectivity towards sodium ions: Correlation of ion-induced conformation switching with fluorescence function

    A. Prasanna de Silva;H. Q. Nimal Gunaratne;Thorfinnur Gunnlaugsson;Mark Nieuwenhuizen

  • Sustainable Cyclic Carbonate Production, Utilizing Carbon Dioxide and Azolate Ionic Liquids

    Peter Goodrich;H. Q. Nimal Gunaratne;Johan Jacquemin;Lili Jin

  • Luminescence and charge transfer. Part 2. Aminomethyl anthracene derivatives as fluorescent PET (photoinduced electron transfer) sensors for protons

    Richard A. Bissell;Emilio Calle;A. Prasanna de Silva;Saliya A. de Silva

  • Fluorescent PET(Photoinduced Electron Transfer) reagents for thiols

    A. Prasanna de Silva;H.Q. Nimal Gunaratne;Thorfinnur Gunnlaugsson

  • Fluorescent PET (photoinduced electron transfer) sensors selective for submicromolar calcium with quantitatively predictable spectral and ion-binding properties

    A. Prasanna de Silva;H. Q. Nimal Gunaratne

  • Fluorescent signalling of the brain neurotransmitter γ-aminobutyric acid and related amino acid zwitterions

    A. Prasanna de Silva;H. Q. Nimal Gunaratne;Catherine McVeigh;Glenn E. M. Maguire

  • Signaling Recognition Events with Fluorescent Sensors and Switches

    A. P. De Silva;H. Q. N. Gunaratne;T. Gunnlaugsson;A. J. M. Huxley

  • Fluorescent PET (Photoinduced Electron Transfer) Sensors

    R. A. Bissell;A. Po. De Silva;H. Q. N. Gunaratne;P. L. M. Lynch

Frequent Co-Authors

Kenneth R. Seddon
Kenneth R. Seddon Queen's University Belfast
A. Prasanna de Silva
A. Prasanna de Silva Queen's University Belfast
Peter Nockemann
Peter Nockemann Queen's University Belfast
Thorfinnur Gunnlaugsson
Thorfinnur Gunnlaugsson Trinity College Dublin
Christopher Hardacre
Christopher Hardacre University of Manchester
Visuvanathar Sridharan
Visuvanathar Sridharan University of Leeds
Mark Nieuwenhuyzen
Mark Nieuwenhuyzen Queen's University Belfast
John T. S. Irvine
John T. S. Irvine University of St Andrews
David Rooney
David Rooney Queen's University Belfast
Luís Paulo N. Rebelo
Luís Paulo N. Rebelo Universidade Nova de Lisboa

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