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Chemistry
USA
2026

D-Index & Metrics

Chemistry

D-Index
145
Citations
85397
World Ranking
163
National Ranking
78

Rajender S. Varma 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 Rajender S. Varma 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: 1,123 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

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

Rajender S. Varma 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 Rajender S. Varma 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: 145 D-Index — 99th percentile

99% 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

  • 2026 - Research.com Chemistry in United States Leader Award
  • 2025 - Research.com Chemistry in United States Leader Award

Overview

Rajender S. Varma is affiliated with the Environmental Protection Agency in the United States. Their research is situated at the intersection of materials science, chemistry, and engineering, with a substantial body of work spanning several disciplines and subfields.

The primary fields of study that characterize their research include:

  • Materials Science
  • Chemistry
  • Engineering

Within these areas, Varma's work captures key subfields such as:

  • Materials Chemistry
  • Organic Chemistry
  • Biomedical Engineering
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering

The topics explored in their publications reveal a focus on nanomaterials and catalytic systems. Notable research themes include:

  • Advanced Photocatalysis Techniques
  • Nanomaterials for catalytic reactions
  • Nanoparticles: synthesis and applications
  • Graphene and Nanomaterials Applications
  • MXene and MAX Phase Materials
  • Metal-Organic Frameworks: Synthesis and Applications
  • Advanced Nanomaterials in Catalysis

Rajender S. Varma has frequently collaborated with several researchers, including:

  • Siavash Iravani
  • Mohammadreza Shokouhimehr
  • Ho Won Jang
  • Navid Rabiee
  • Pooyan Makvandi

Their research has been published extensively in multiple scientific journals. Prominent venues with high publication counts include:

  • Green Chemistry
  • Chemosphere
  • Molecular Catalysis
  • RSC Advances
  • Nanomaterials

Selected recent papers authored or co-authored by Varma include:

  • Starch, cellulose, pectin, gum, alginate, chitin and chitosan derived (nano)materials for sustainable water treatment: A review (2020), Carbohydrate Polymers
  • Green synthesis, biomedical and biotechnological applications of carbon and graphene quantum dots. A review (2020), Environmental Chemistry Letters
  • RETRACTED: Liposomes: Structure, Biomedical Applications, and Stability Parameters With Emphasis on Cholesterol (2021), Frontiers in Bioengineering and Biotechnology
  • Green-synthesized nanocatalysts and nanomaterials for water treatment: Current challenges and future perspectives (2020), Journal of Hazardous Materials
  • Greener synthesis of lignin nanoparticles and their applications (2020), Green Chemistry

Best Publications

  • Cu and Cu-Based Nanoparticles: Synthesis and Applications in Catalysis.

    Manoj B. Gawande;Anandarup Goswami;François Xavier Felpin;Tewodros Asefa

  • Solvent-free organic syntheses. using supported reagents and microwave irradiation

    Rajender S. Varma

  • Nano-magnetite (Fe3O4) as a support for recyclable catalysts in the development of sustainable methodologies

    Manoj B. Gawande;Paula S. Branco;Rajender S. Varma

  • Green chemistry by nano-catalysis

    Vivek Polshettiwar;Rajender S. Varma

  • Core–shell nanoparticles: synthesis and applications in catalysis and electrocatalysis

    Manoj B. Gawande;Anandarup Goswami;Tewodros Asefa;Huizhang Guo

  • OPTICAL METHOD AND APPARATUS FOR DETECTING MOLECULE

    Hollis Mark A;Ehrlich Daniel J;Murphy Allen R;Kosicki Bernard B

  • Selectivity Enhancement in Heterogeneous Photocatalytic Transformations.

    Jiahui Kou;Chunhua Lu;Jian Wang;Yukai Chen

  • Microwave-assisted organic synthesis and transformations using benign reaction media.

    Vivek Polshettiwar;Rajender S Varma

  • Green synthesis of silver and palladium nanoparticles at room temperature using coffee and tea extract

    Mallikarjuna N. Nadagouda;Rajender S. Varma

  • Microwave-Assisted Chemistry: Synthetic Applications for Rapid Assembly of Nanomaterials and Organics

    Manoj B. Gawande;Sharad N. Shelke;Radek Zboril;Rajender S. Varma

  • Magnetic Silica-Supported Ruthenium Nanoparticles: An Efficient Catalyst for Transfer Hydrogenation of Carbonyl Compounds

    R. B. Nasir Baig;Rajender S. Varma

  • Clay and clay-supported reagents in organic synthesis

    Rajender S. Varma

  • Benign by design: catalyst-free in-water, on-water green chemical methodologies in organic synthesis

    Manoj B. Gawande;Vasco D. B. Bonifácio;Rafael Luque;Paula S. Branco

  • Magnetically retrievable catalysts for organic synthesis

    R. B. Nasir Baig;Rajender S. Varma

  • Degradation of bromothymol blue by ‘greener’ nano-scale zero-valent iron synthesized using tea polyphenols

    George E. Hoag;John B. Collins;Jennifer L. Holcomb;Jessica R. Hoag

  • Liposomes: Structure, Biomedical Applications, and Stability Parameters With Emphasis on Cholesterol

    Unknown

  • Starch, cellulose, pectin, gum, alginate, chitin and chitosan derived (nano)materials for sustainable water treatment: A review

    Mahmoud Nasrollahzadeh;Mohaddeseh Sajjadi;Siavash Iravani;Rajender S. Varma

  • Alternative energy input: mechanochemical, microwave and ultrasound-assisted organic synthesis

    R. B. Nasir Baig;Rajender S. Varma

  • Microwave-assisted green synthesis of silver nanostructures.

    Mallikarjuna N. Nadagouda;Thomas F. Speth;Rajender S. Varma

  • Aqueous microwave chemistry: a clean and green synthetic tool for rapid drug discovery

    Vivek Polshettiwar;Rajender S. Varma

  • Green synthesis of metal nanoparticles: Biodegradable polymers and enzymes in stabilization and surface functionalization

    Jurate Virkutyte;Rajender S. Varma

Frequent Co-Authors

Manoj B. Gawande
Manoj B. Gawande Institute of Chemical Technology
Mallikarjuna N. Nadagouda
Mallikarjuna N. Nadagouda Environmental Protection Agency
Vivek Polshettiwar
Vivek Polshettiwar Tata Institute of Fundamental Research
Mohammadreza Shokouhimehr
Mohammadreza Shokouhimehr Seoul National University
Radek Zboril
Radek Zboril Palacký University, Olomouc
Mahmoud Nasrollahzadeh
Mahmoud Nasrollahzadeh University of Qom
Ho Won Jang
Ho Won Jang Seoul National University
Miroslav Černík
Miroslav Černík Technical University of Liberec
Christophe Len
Christophe Len PSL University
George W. Kabalka
George W. Kabalka University of Tennessee at Knoxville

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