World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
59
Citations
10331
World Ranking
10335
National Ranking
148

K. R. Justin Thomas 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 K. R. Justin Thomas 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: 186 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

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

K. R. Justin Thomas 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 K. R. Justin Thomas 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: 59 D-Index — 44th percentile

44% of scientists in this discipline score the same or lower.

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

Overview

K. R. Justin Thomas is affiliated with the Indian Institute of Technology Roorkee in India. Their research primarily spans the fields of Materials Science, Engineering, and Chemistry, with a focus on subfields such as Electrical and Electronic Engineering, Materials Chemistry, Organic Chemistry, Polymers and Plastics, and Renewable Energy, Sustainability and the Environment.

The scientist's work covers a range of topics including Organic Light-Emitting Diodes Research, Luminescence and Fluorescent Materials, Organic Electronics and Photovoltaics, Conducting polymers and applications, Sulfur-Based Synthesis Techniques, Radical Photochemical Reactions, and Advanced Photocatalysis Techniques.

Recent papers authored or coauthored by K. R. Justin Thomas include:

  • Experimental and DFT studies on the ultrasonic energy-assisted extraction of the phytochemicals of Catharanthus roseus as green corrosion inhibitors for mild steel in NaCl medium (2020) - RSC Advances
  • Recent Advances in the Design of Multi-Substituted Carbazoles for Optoelectronics: Synthesis and Structure-Property Outlook (2022) - ChemPhotoChem
  • Rose bengal photocatalyzed Knoevenagel condensation of aldehydes and ketones in aqueous medium (2022) - Green Chemistry
  • Generation and Application of Aryl Radicals Under Photoinduced Conditions (2024) - Chemistry - A European Journal
  • Tuning photophysical and electroluminescent properties of phenanthroimidazole decorated carbazoles with donor and acceptor units: Beneficial role of cyano substitution (2020) - Dyes and Pigments

K. R. Justin Thomas frequently publishes in the following venues:

  • ChemPhotoChem
  • Dyes and Pigments
  • RSC Advances
  • Green Chemistry
  • Advanced Theory and Simulations

Collaboration is a notable aspect of their research, with frequent coauthors including:

  • Jwo-Huei Jou (15 collaborations)
  • Anupam Das (10 collaborations)
  • Mangey Ram Nagar (9 collaborations)
  • N. Palaniappan (6 collaborations)
  • Ivan Cole (6 collaborations)

Best Publications

  • Light-emitting carbazole derivatives: potential electroluminescent materials.

    Thomas Kr;Lin Jt;Tao Yt;Ko Cw

  • Organic Dyes Incorporating Low-Band-Gap Chromophores for Dye-Sensitized Solar Cells

    Marappan Velusamy;K. R. Justin Thomas;Jiann T. Lin;‡ and Ying-Chan Hsu

  • 2,3-Disubstituted Thiophene-Based Organic Dyes for Solar Cells

    K. R. Justin Thomas;Ying-Chan Hsu;Jiann T. Lin;Kun-Mu Lee

  • Color Tuning in Benzo[1,2,5]thiadiazole‐Based Small Molecules by Amino Conjugation/Deconjugation: Bright Red‐Light‐Emitting Diodes

    K. R. Justin Thomas;Jiann T. Lin;M. Velusamy;Y. T. Tao

  • Chromophore-labeled quinoxaline derivatives as efficient electroluminescent materials

    K. R. Justin Thomas;Marappan Velusamy;Jiann T. Lin;† and Chang-Hao Chuen

  • Organic dyes containing carbazole as donor and π-linker: optical, electrochemical, and photovoltaic properties.

    A. Venkateswararao;K. R.Justin Thomas;Chuan Pei Lee;Chun Ting Li

  • Organic dyes containing thienylfluorene conjugation for solar cells

    K. R. Justin Thomas;Jiann T. Lin;Jiann T. Lin;Ying-Chan Hsu;Kuo-Chuan Ho

  • Efficient red-emitting cyclometalated Iridium(III) complexes containing lepidine-based ligands.

    K. R. Justin Thomas;Marappan Velusamy;Jiann T. Lin;Chin-Hsiung Chien

  • Dipolar compounds containing fluorene and a heteroaromatic ring as the conjugating bridge for high-performance dye-sensitized solar cells.

    Chih-Hsin Chen;Ying-Chan Hsu;Hsien-Hsin Chou;K. R. Justin Thomas

  • Quinoxalines incorporating triarylamines: Potential electroluminescent materials with tunable emission characteristics

    K. R. Justin Thomas;Jiann T. Lin;Yu-Tai Tao;Chang-Hao Chuen

  • Star‐Shaped Thieno‐[3,4‐b]‐Pyrazines: A New Class of Red‐Emitting Electroluminescent Materials

    K.R.J. Thomas;J.T. Lin;Y.-T. Tao;C.-H. Chuen

  • High‐Tg Carbazole Derivatives as Blue‐Emitting Hole‐Transporting Materials for Electroluminescent Devices

    P. Kundu;P. Kundu;K.R. Justin Thomas;J.T. Lin;Y.-T. Tao

  • Novel Green Light‐Emitting Carbazole Derivatives: Potential Electroluminescent Materials

    K. R. J. Thomas;J. T. Lin;Y.-T. Tao;C.-W. Ko

  • Simple Triarylamine-Based Dyes Containing Fluorene and Biphenyl Linkers for Efficient Dye-Sensitized Solar Cells

    Abhishek Baheti;Payal Tyagi;K. R. Justin Thomas;Ying-Chan Hsu

  • Using meta conjugation to enhance charge separation versus charge recombination in phenylacetylene donor-bridge-acceptor complexes.

    Alexis L. Thompson;Tai-Sang Ahn;K. R. Thomas;S. Thayumanavan

  • New Star-shaped Luminescent Triarylamines: Synthesis, Thermal, Photophysical and Electroluminescent Characteristics

    K. R. Justin Thomas;Jiann T. Lin;Yu-Tai Tao;Chung-Wen Ko

  • New carbazole-oxadiazole dyads for electroluminescent devices: Influence of acceptor substituents on luminescent and thermal properties

    K. R. Justin Thomas;Jiann T. Lin;Yu-Tai Tao, ,† and;Chang-Hao Chuen†

  • Copper(II) azide complexes of aliphatic and aromatic amine based tridentate ligands: novel structure, spectroscopy, and magnetic properties.

    P. Manikandan;R. Muthukumaran;K. R. Justin Thomas;B. Varghese

  • Green and Yellow Electroluminescent Dipolar Carbazole Derivatives: Features and Benefits of Electron-Withdrawing Segments

    K. R. Justin Thomas;Jiann T. Lin;Yu-Tai Tao, ,† and;Chang-Hao Chuen†

  • Coordination and organometallic chemistry of cyclophosphazenes and polyphosphazenes

    V Chandrasekhar;K R Justin Thomas

Frequent Co-Authors

Kuo-Chuan Ho
Kuo-Chuan Ho National Taiwan University
Jiann T. Lin
Jiann T. Lin Academia Sinica
Jwo-Huei Jou
Jwo-Huei Jou National Tsing Hua University
Yu-Tai Tao
Yu-Tai Tao Academia Sinica
Vadapalli Chandrasekhar
Vadapalli Chandrasekhar Indian Institute of Technology Kanpur
Ganesh D. Sharma
Ganesh D. Sharma LNM Institute of Information Technology
Ivan S. Cole
Ivan S. Cole RMIT University
Lu-Yin Lin
Lu-Yin Lin National Taipei University of Technology
Pi-Tai Chou
Pi-Tai Chou National Taiwan University
Jacqueline M. Cole
Jacqueline M. Cole University of Cambridge

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