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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 48 15105 13611 2 2 106 9932

Mohammad N.M. Ahmad publications per year

The chart shows the history of publications by Mohammad N.M. Ahmad between 1969 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Mohammad N.M. Ahmad published across 57 years, from 1969 to 2025, averaging 2.4 papers a year. Output peaked at 11 publications in 2025. 17 of the 135 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1969 to 2025. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 2025. 1969: 1 publication 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 1 publication 1979: 0 publications 1980: 1 publication 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 1 publication 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 1 publication 1993: 0 publications 1994: 1 publication 1995: 2 publications 1996: 0 publications 1997: 2 publications 1998: 1 publication 1999: 2 publications 2000: 2 publications 2001: 3 publications 2002: 1 publication 2003: 3 publications 2004: 1 publication 2005: 4 publications 2006: 0 publications 2007: 3 publications 2008: 1 publication 2009: 6 publications 2010: 4 publications 2011: 9 publications 2012: 5 publications 2013: 8 publications 2014: 8 publications 2015: 7 publications 2016: 2 publications 2017: 4 publications 2018: 8 publications 2019: 6 publications 2020: 5 publications 2021: 8 publications 2022: 3 publications 2023: 4 publications 2024: 6 publications 2025: 11 publications
1969 2025

135 publications in total across all disciplines

View publications per year as a table
Mohammad N.M. Ahmad: publications per year, 1969 to 2025
Year Publications
1969 1
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 1
1979 0
1980 1
1981 0
1982 0
1983 0
1984 1
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 1
1993 0
1994 1
1995 2
1996 0
1997 2
1998 1
1999 2
2000 2
2001 3
2002 1
2003 3
2004 1
2005 4
2006 0
2007 3
2008 1
2009 6
2010 4
2011 9
2012 5
2013 8
2014 8
2015 7
2016 2
2017 4
2018 8
2019 6
2020 5
2021 8
2022 3
2023 4
2024 6
2025 11
Total 135
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Mohammad N.M. Ahmad 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 Mohammad N.M. Ahmad 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, 101–120 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: 106 publications — 3rd percentile

3% 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
101–120 623 106
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
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
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Mohammad N.M. Ahmad 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 Mohammad N.M. Ahmad 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, 48–49 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: 48 D-Index — 16th percentile

16% 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 48
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
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
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Overview

Mohammad N.M. Ahmad is affiliated with the American University of Beirut in Lebanon. Their research spans multiple areas within engineering and chemistry, focusing extensively on materials chemistry and catalysis. They have a significant output in topics related to metal-organic frameworks, catalytic processes, and renewable energy applications.

Their main fields of study include:

  • Engineering
  • Chemistry

Within these broad fields, their subfields of study emphasize:

  • Materials Chemistry
  • Inorganic Chemistry
  • Catalysis
  • Renewable Energy, Sustainability and the Environment
  • Biomedical Engineering

The core topics of Mohammad N.M. Ahmad's research include:

  • Metal-Organic Frameworks: Synthesis and Applications
  • Catalytic Processes in Materials Science
  • Catalysts for Methane Reforming
  • Catalysis and Oxidation Reactions
  • Catalysis and Hydrodesulfurization Studies
  • Membrane Separation Technologies
  • Advanced Photocatalysis Techniques

Recent publications by Mohammad N.M. Ahmad illustrate their research focus on catalyst development, energy materials, and environmental applications. Some notable papers include:

  • "Hydrothermal carbonization of spent mushroom compost waste compared against torrefaction and pyrolysis," 2021, Fuel Processing Technology
  • "Analytical review of the catalytic cracking of methane," 2022, Fuel
  • "Zr-Based Metal-Organic Framework Nanocrystals for Water Remediation," 2022, ACS Applied Nano Materials
  • "State-of-the-art novel catalyst synthesised from waste glassware and eggshells for cleaner fuel production," 2022, Fuel
  • "Trimetallic Ni-Co-Ru catalyst for the dry reforming of methane: Effect of the Ni/Co ratio and the calcination temperature," 2021, Fuel

Their publishing activity is frequently found in journals such as:

  • Fuel
  • ACS Applied Nano Materials
  • Heliyon
  • Fuel Processing Technology
  • International Journal of Hydrogen Energy

Collaborative work plays an important role in their research. Some frequent co-authors include:

  • Mohamad Hmadeh
  • James J. Leahy
  • Witold Kwapiński
  • Joseph Zeaiter
  • Ghadeer Jalloul

Best Publications

  • Catalyst design for dry reforming of methane: Analysis review

    Nicolas Abdel Karim Aramouni;Jad G. Touma;Belal Abu Tarboush;Joseph Zeaiter

  • The removal of dyes from textile wastewater: a study of the physical characteristics and adsorption mechanisms of diatomaceous earth

    M.A. Al-Ghouti;Majeda Khraisheh;Stephen Allen;Mohamad Ahmad

  • Effect of carbon surface chemistry on the removal of reactive dyes from textile effluent

    Y. Al-Degs;M.A.M. Khraisheh;S.J. Allen;M.N. Ahmad

  • Kinetic and thermodynamics of chromium ions adsorption onto low-cost dolomite adsorbent

    Ahmad B. Albadarin;Chirangano Mangwandi;Ala’a H. Al-Muhtaseb;Ala’a H. Al-Muhtaseb;Gavin M. Walker

  • Dilute acid hydrolysis of Lignocellulosic biomass

    P. Lenihan;Angela Orozco;Eddie O'Neill;Mohamad Ahmad

  • Thermodynamic behaviour and the effect of temperature on the removal of dyes from aqueous solution using modified diatomite: A kinetic study

    M. Al-Ghouti;M.A.M. Khraisheh;Mohamad Ahmad;Stephen Allen

  • Effect of OH and silanol groups in the removal of dyes from aqueous solution using diatomite.

    M.A.M. Khraisheh;M.A. Al-Ghouti;Stephen Allen;Mohamad Ahmad

  • Adsorption behaviour of methylene blue onto Jordanian diatomite: A kinetic study

    Mohammad A. Al-Ghouti;Majeda A.M. Khraisheh;Mohammad N.M. Ahmad;Stephen Allen

  • Adsorption mechanisms of removing heavy metals and dyes from aqueous solution using date pits solid adsorbent.

    Mohammad A. Al-Ghouti;Juiki Li;Yousef Salamh;Nasir Al-Laqtah

  • Adsorption Characteristics of Reactive Dyes in Columns of Activated Carbon

    Y.S. Al-Degs;M.A.M. Khraisheh;S.J. Allen;M.N. Ahmad

  • Biosorption of toxic chromium from aqueous phase by lignin: mechanism, effect of other metal ions and salts

    Ahmad B. Albadarin;Ala’a H. Al-Muhtaseb;Nasir A. Al-laqtah;Gavin M. Walker

  • Kinetics of Aqueous Phase Dehydration of Xylose into Furfural Catalyzed by ZSM-5 Zeolite

    Rebecca O’Neill;Mohammad Najeeb Ahmad;Laurent Vanoye;Farid Aiouache

  • The use of activated carbon for the removal of pharmaceuticals from aqueous solutions: a review

    Fatima Mansour;Mahmoud Al-Hindi;Rim Yahfoufi;George M. Ayoub

  • Competitive adsorption of reactive dyes from solution: Equilibrium isotherm studies in single and multisolute systems

    Y. Al-Degs;M.A.M. Khraisheh;S.J. Allen;M.N. Ahmad

  • Dilute Acid Hydrolysis of Cellulose and Cellulosic Bio-Waste Using a Microwave Reactor System

    Angela Orozco;Mohamad Ahmad;David Rooney;Gavin Walker

  • Elucidation of Controlling Steps of Reactive Dye Adsorption on Activated Carbon

    M.A.M. Khraisheh;Y. Al-Degs;Stephen Allen;Mohamad Ahmad

  • Remediation of phenol-contaminated water by adsorption using poly(methyl methacrylate) (PMMA)

    Ala’a H. Al-Muhtaseb;Khalid A. Ibrahim;Ahmad B. Albadarin;Omar Ali-khashman

  • Thermodynamic analysis of methane dry reforming: Effect of the catalyst particle size on carbon formation

    Nicolas Abdel Karim Aramouni;Nicolas Abdel Karim Aramouni;Joseph Zeaiter;Witold Kwapinski;Mohammad N. Ahmad

  • SORPTION BEHAVIOR OF CATIONIC AND ANIONIC DYES FROM AQUEOUS SOLUTION ON DIFFERENT TYPES OF ACTIVATED CARBONS

    Y. Al-Degs;Majeda Khraisheh;Stephen Allen;Mohamad Ahmad

  • Hybrid CaO/Al2O3 aerogel as heterogeneous catalyst for biodiesel production

    Fatima Kesserwan;Mohammad N. Ahmad;Mahmoud Khalil;Houssam El-Rassy

  • Hydrothermal carbonization of spent mushroom compost waste compared against torrefaction and pyrolysis

    Emile Atallah;Emile Atallah;Joseph Zeaiter;Mohammad N. Ahmad;James J. Leahy

  • Modeling of non-isothermal crystallization kinetics of isotactic polypropylene

    Y. Mubarak;Eileen Harkin-Jones;Peter Martin;M. Ahmad

Frequent Co-Authors

Gavin Walker
Gavin Walker University of Limerick
Ala’a H. Al-Muhtaseb
Ala’a H. Al-Muhtaseb Sultan Qaboos University
Ahmad B. Albadarin
Ahmad B. Albadarin University of Limerick
Stephen J. Allen
Stephen J. Allen Queen's University Belfast
James J. Leahy
James J. Leahy University of Limerick
David Rooney
David Rooney Queen's University Belfast
Majeda Khraisheh
Majeda Khraisheh Qatar University
Mohammad A. Al-Ghouti
Mohammad A. Al-Ghouti Qatar University
Gordon McKay
Gordon McKay Hamad bin Khalifa University
Kamel Ghali
Kamel Ghali Phoenicia University

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