World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
55
Citations
9503
World Ranking
12272
National Ranking
485

Umit B. Demirci 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 Umit B. Demirci 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: 189 publications — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Umit B. Demirci 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 Umit B. Demirci 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: 55 D-Index — 33rd percentile

33% of scientists in this discipline score the same or lower.

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

Overview

Umit B. Demirci is affiliated with the Centre national de la recherche scientifique (CNRS) in France, contributing primarily to the field of Materials Science. Their research spans multiple subfields, notably Materials Chemistry, Catalysis, and Inorganic Chemistry, with additional work in Electrical and Electronic Engineering and Mechanical Engineering.

Their scholarly focus includes several interconnected topics relevant to energy and materials research. These topics encompass:

  • Hydrogen Storage and Materials
  • X-ray Diffraction in Crystallography
  • Crystallization and Solubility Studies
  • Ammonia Synthesis and Nitrogen Reduction
  • Boron and Carbon Nanomaterials Research
  • Metal-Organic Frameworks: Synthesis and Applications
  • Hybrid Renewable Energy Systems

Umit B. Demirci has published extensively, with a particular emphasis on hydrogen-related materials and storage technologies. Recent papers include:

  • Ammonia Borane: An Extensively Studied, Though Not Yet Implemented, Hydrogen Carrier (2020) in Energies
  • Mechanistic insights into the thermal decomposition of ammonia borane, a material studied for chemical hydrogen storage (2021) in Inorganic Chemistry Frontiers
  • Exploring the technological maturity of hydrogen production by hydrolysis of sodium borohydride (2023) in International Journal of Hydrogen Energy

Their frequent co-authors are:

  • Kevin Turani-I-Belloto
  • Johan G. Alauzun
  • Pascal G. Yot
  • Carlos A. Castilla-Martinez
  • Didier Cot

Key publication venues for Umit B. Demirci's work include:

  • The Cambridge Structural Database
  • International Journal of Hydrogen Energy
  • ChemistrySelect
  • Energies
  • Nanomaterials

Their research outputs address issues such as the synthesis and characterization of hydrogen carriers, mechanistic studies of chemical decomposition processes, and advancements in catalyst materials for clean energy. This scholarly activity reflects a sustained engagement with developing materials for energy storage and conversion applications.

Best Publications

  • Direct liquid-feed fuel cells: Thermodynamic and environmental concerns

    Umit B. Demirci

  • Sodium borohydride versus ammonia borane, in hydrogen storage and direct fuel cell applications

    Umit B. Demirci;Umit B. Demirci;Philippe Miele;Philippe Miele

  • Sodium Borohydride Hydrolysis as Hydrogen Generator: Issues, State of the Art and Applicability Upstream from a Fuel Cell

    U. B. Demirci;O. Akdim;J. Andrieux;J. Hannauer

  • Ammonia borane, a material with exceptional properties for chemical hydrogen storage

    Umit B. Demirci

  • Theoretical means for searching bimetallic alloys as anode electrocatalysts for direct liquid-feed fuel cells

    Umit B. Demirci

  • Cobalt in NaBH4 hydrolysis

    U. B. Demirci;P. Miele

  • Ten-year efforts and a no-go recommendation for sodium borohydride for on-board automotive hydrogen storage

    U.B. Demirci;O. Akdim;P. Miele

  • Hydrolysis of Ammonia Borane as a Hydrogen Source: Fundamental Issues and Potential Solutions Towards Implementation

    Udishnu Sanyal;Umit B. Demirci;Umit B. Demirci;Balaji R. Jagirdar;Philippe Miele

  • High-extent dehydrogenation of hydrazine borane N2H4BH3 by hydrolysis of BH3 and decomposition of N2H4

    Julien Hannauer;Ouardia Akdim;Umit B. Demirci;Umit B. Demirci;Christophe Geantet

  • How to Design Hydrogen Storage Materials? Fundamentals, Synthesis, and Storage Tanks

    Qiwen Lai;Yahui Sun;Ting Wang;Poojan Modi

  • Bimetallic RuCo and RuCu catalysts supported on γ-Al2O3. A comparative study of their activity in hydrolysis of ammonia-borane

    Giovanni P. Rachiero;Umit B. Demirci;Philippe Miele

  • Boron-based hydrides for chemical hydrogen storage

    Georges Moussa;Romain Moury;Umit B. Demirci;Tansel Şener

  • Hydrazine borane: synthesis, characterization, and application prospects in chemical hydrogen storage

    Romain Moury;Georges Moussa;Umit B. Demirci;Umit B. Demirci;Julien Hannauer

  • Direct borohydride fuel cell: Main issues met by the membrane–electrodes-assembly and potential solutions

    Umit B. Demirci

  • Cobalt-based catalysts for the hydrolysis of NaBH4 and NH3BH3

    Umit B. Demirci;Philippe Miele

  • Hydrogen release through catalyzed methanolysis of solid sodium borohydride

    J. Hannauer;U. B. Demirci;G. Pastor;C. Geantet

  • Reaction mechanisms of the hydrolysis of sodium borohydride: A discussion focusing on cobalt-based catalysts

    Umit B. Demirci;Philippe Miele

  • Chemical hydrogen storage: ‘material’ gravimetric capacity versus ‘system’ gravimetric capacity

    Umit B. Demirci;Umit B. Demirci;Philippe Miele

  • Langmuir–Hinshelwood kinetic model to capture the cobalt nanoparticles-catalyzed hydrolysis of sodium borohydride over a wide temperature range

    J. Andrieux;U.B. Demirci;Philippe Miele;Philippe Miele

  • Ru-based bimetallic alloys for hydrogen generation by hydrolysis of sodium tetrahydroborate

    U.B. Demirci;F. Garin

Frequent Co-Authors

Philippe Miele
Philippe Miele Centre national de la recherche scientifique, CNRS
Samuel Bernard
Samuel Bernard University of Limoges
Qiang Xu
Qiang Xu Kyoto University
Marc Cretin
Marc Cretin University of Montpellier
Marian Chatenet
Marian Chatenet Université Savoie Mont Blanc
Kondo-Francois Aguey-Zinsou
Kondo-Francois Aguey-Zinsou University of New South Wales
Takayuki Ichikawa
Takayuki Ichikawa Hiroshima University
Yaroslav Filinchuk
Yaroslav Filinchuk Université Catholique de Louvain
Christophe Geantet
Christophe Geantet Claude Bernard University Lyon 1
Laetitia Dubau
Laetitia Dubau Grenoble Alpes University

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