World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 67 7060 6400 2098 1735 222 13436

Ram B. Gupta publications per year

The chart shows the history of publications by Ram B. Gupta between 1984 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ram B. Gupta published across 42 years, from 1984 to 2025, averaging 6.2 papers a year. Output peaked at 33 publications in 2006. 9 of the 262 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1984 to 2025. Vertical axis: number of publications, 0 to 33. Peak 33 publications in 2006. 1984: 2 publications 1985: 5 publications 1986: 1 publication 1987: 2 publications 1988: 0 publications 1989: 4 publications 1990: 2 publications 1991: 1 publication 1992: 1 publication 1993: 2 publications 1994: 3 publications 1995: 1 publication 1996: 4 publications 1997: 3 publications 1998: 8 publications 1999: 1 publication 2000: 3 publications 2001: 8 publications 2002: 7 publications 2003: 7 publications 2004: 3 publications 2005: 11 publications 2006: 33 publications 2007: 4 publications 2008: 12 publications 2009: 4 publications 2010: 24 publications 2011: 7 publications 2012: 7 publications 2013: 8 publications 2014: 3 publications 2015: 8 publications 2016: 10 publications 2017: 10 publications 2018: 10 publications 2019: 2 publications 2020: 7 publications 2021: 12 publications 2022: 8 publications 2023: 5 publications 2024: 4 publications 2025: 5 publications
1984 2025

262 publications in total across all disciplines

View publications per year as a table
Ram B. Gupta: publications per year, 1984 to 2025
Year Publications
1984 2
1985 5
1986 1
1987 2
1988 0
1989 4
1990 2
1991 1
1992 1
1993 2
1994 3
1995 1
1996 4
1997 3
1998 8
1999 1
2000 3
2001 8
2002 7
2003 7
2004 3
2005 11
2006 33
2007 4
2008 12
2009 4
2010 24
2011 7
2012 7
2013 8
2014 3
2015 8
2016 10
2017 10
2018 10
2019 2
2020 7
2021 12
2022 8
2023 5
2024 4
2025 5
Total 262
Download as CSV

Ram B. Gupta 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 Ram B. Gupta sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 221–240 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 222 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216 222
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
Download as CSV

Ram B. Gupta 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 Ram B. Gupta sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 66–67 D-Index, is where this scientist sits. 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
40–41 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.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775 67
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
Download as CSV

Overview

Ram B. Gupta is affiliated with Virginia Commonwealth University in the United States and has contributed extensively to the field of engineering, with a primary focus on Electrical and Electronic Engineering, Biomedical Engineering, and Mechanical Engineering. Their work also spans Electronic, Optical and Magnetic Materials, as well as Renewable Energy, Sustainability, and the Environment.

Their research explores several main topics, including:

  • Advancements in Battery Materials
  • Supercapacitor Materials and Fabrication
  • Extraction and Separation Processes
  • Advanced battery technologies research
  • Catalysis for Biomass Conversion
  • Advanced Battery Materials and Technologies
  • Chemical Looping and Thermochemical Processes

Notable recent papers authored or co-authored by Ram B. Gupta include:

  • Two-Dimensional Hexagonal SnSe Nanosheets as Binder-Free Electrode Material for High-Performance Supercapacitors, 2020, IEEE Transactions on Power Electronics
  • Low-cobalt active cathode materials for high-performance lithium-ion batteries: synthesis and performance enhancement methods, 2023, Journal of Materials Chemistry A
  • Production of levulinic acid and biocarbon electrode material from corn stover through an integrated biorefinery process, 2020, Fuel Processing Technology
  • Electrocatalytic Activity of Bimetallic Ni-Mo-P Nanocrystals for Hydrogen Evolution Reaction, 2020, ACS Applied Nano Materials
  • Hydrothermal liquefaction (HTL) processing of unhydrolyzed solids (UHS) for hydrochar and its use for asymmetric supercapacitors with mixed (Mn,Ti)-Perovskite oxides, 2021, Renewable Energy

Ram B. Gupta has collaborated regularly with several researchers, including:

  • Sourav Mallick
  • Arjun Patel
  • Mo Jiang
  • M. Paranthaman
  • Jethrine H. Mugumya

Their publications frequently appear in venues such as:

  • ECS Meeting Abstracts
  • Energy & Fuels
  • International Journal of Coal Science & Technology
  • Letters in Applied NanoBioScience
  • bioRxiv (Cold Spring Harbor Laboratory)

This body of work reflects Ram B. Gupta's specialization in engineering with significant contributions to energy storage technologies, biomass conversion processes, and materials science focused on batteries and supercapacitors.

Best Publications

  • Hydrogen Fuel : Production, Transport, and Storage

    Ram B. Gupta

  • Solubility in Supercritical Carbon Dioxide

    Ram B. Gupta;Jae-Jin Shim

  • Hydrogen production from glycerol by reforming in supercritical water over Ru/Al2O3 catalyst

    Adam J. Byrd;K.K. Pant;K.K. Pant;Ram B. Gupta

  • An Assessment of U(VI) removal from groundwater using biochar produced from hydrothermal carbonization

    Sandeep Kumar;Vijay A. Loganathan;Ram B. Gupta;Mark O. Barnett

  • Catalytic pyrolysis of green algae for hydrocarbon production using H+ZSM-5 catalyst

    Suchithra Thangalazhy-Gopakumar;Sushil Adhikari;Shyamsundar Ayalur Chattanathan;Ram B. Gupta

  • Heterostructure-Promoted Oxygen Electrocatalysis Enables Rechargeable Zinc-Air Battery with Neutral Aqueous Electrolyte.

    Li An;Zhiyong Zhang;Jianrui Feng;Fan Lv

  • Cellulose pretreatment in subcritical water: effect of temperature on molecular structure and enzymatic reactivity.

    Sandeep Kumar;Rajesh Gupta;Y.Y. Lee;Ram B. Gupta

  • Physiochemical properties of bio-oil produced at various temperatures from pine wood using an auger reactor.

    Suchithra Thangalazhy-Gopakumar;Sushil Adhikari;Harideepan Ravindran;Ram B. Gupta

  • Nanoparticle technology for drug delivery

    Ram B. Gupta;Uday B. Kompella

  • Gasoline, Diesel, and Ethanol Biofuels from Grasses and Plants

    Ram B. Gupta;Ayhan Demirbas

  • Production of griseofulvin nanoparticles using supercritical CO2 antisolvent with enhanced mass transfer

    Pratibhash Chattopadhyay;Ram B. Gupta

  • Recent advancements in semiconductor materials for photoelectrochemical water splitting for hydrogen production using visible light

    Sushil Kumar Saraswat;Sushil Kumar Saraswat;Dylan D. Rodene;Ram B. Gupta

  • Formation of Nanoparticles of a Hydrophilic Drug Using Supercritical Carbon Dioxide and Microencapsulation for Sustained Release

    Amol J. Thote;Ram B. Gupta

  • Hydrothermal pretreatment of switchgrass and corn stover for production of ethanol and carbon microspheres.

    Sandeep Kumar;Urvi Kothari;Lingzhao Kong;Y.Y. Lee

  • Production of hydrocarbon fuels from biomass using catalytic pyrolysis under helium and hydrogen environments

    Suchithra Thangalazhy-Gopakumar;Sushil Adhikari;Ram B. Gupta;Maobing Tu

  • Oxidation of Aqueous Pollutants Using Ultrasound: Salt-Induced Enhancement

    James D. Seymour;Ram B. Gupta

  • Catalytic Pyrolysis of Biomass over H+ZSM-5 under Hydrogen Pressure

    Suchithra Thangalazhy-Gopakumar;Sushil Adhikari;Ram B. Gupta

  • Formation of phenytoin nanoparticles using rapid expansion of supercritical solution with solid cosolvent (RESS-SC) process

    Ranjit Thakur;Ram B. Gupta

  • Generation of nanoparticles and microparticles of controllable size using acoustic and ultrasonic vibration

    Ram Gupta;Pratibhash Chattopadhyay

  • Biocrude Production from Switchgrass Using Subcritical Water

    Sandeep Kumar;Ram B. Gupta

Frequent Co-Authors

Jae-Jin Shim
Jae-Jin Shim Yeungnam University
Ayhan Demirbas
Ayhan Demirbas King Abdulaziz University
Kamal K. Pant
Kamal K. Pant Indian Institute of Technology Delhi
Keith P. Johnston
Keith P. Johnston The University of Texas at Austin
John M. Prausnitz
John M. Prausnitz University of California, Berkeley
Fares Almomani
Fares Almomani Qatar University
Rahul R. Bhosale
Rahul R. Bhosale University of Tennessee at Chattanooga
Vijay T. John
Vijay T. John Tulane University
Isaac C. Sanchez
Isaac C. Sanchez The University of Texas at Austin
Gary L. McPherson
Gary L. McPherson Tulane University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Students interested in Chemistry often find stimulating career pathways in related fields such as forensic science and criminal justice. For those looking to expand their expertise, pursuing a forensic science degree online offers a flexible way to blend chemistry knowledge with investigative skills. This degree equips students to analyze physical evidence and support law enforcement efforts.

Graduate studies such as an online master's in forensic psychology provide further specialization by integrating psychological principles with forensic applications. These programs prepare graduates for roles that require understanding criminal behavior alongside scientific analysis.

The job market is diverse, with numerous careers in forensic science available, including crime laboratory analysts, toxicologists, and forensic chemists. Each role typically demands a strong foundation in chemistry coupled with specialized training pertinent to forensic methodologies.

When considering online education options, it's important to be aware of the financial commitments involved. Exploring criminal justice degree tuition can help students plan budgets effectively, ensuring they invest wisely in their future careers.

Best Scientists Citing Ram B. Gupta

Trending Scientists

Recently Published Articles