World's Best Scientists 2026 revealed!
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Engineering and Technology
Egypt
2026

D-Index & Metrics

Materials Science

D-Index
63
Citations
14626
World Ranking
6154
National Ranking
4

Engineering and Technology

D-Index
62
Citations
14178
World Ranking
1903
National Ranking
9

Nageh K. Allam publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Nageh K. Allam sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 334 publications — 82nd percentile

82% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Nageh K. Allam D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Nageh K. Allam sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 62 D-Index — 81st percentile

81% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Engineering and Technology in Egypt Leader Award
  • 2025 - Research.com Engineering and Technology in Egypt Leader Award

Overview

Nageh K. Allam is affiliated with the American University in Cairo in Egypt. Their research spans multiple fields of study, primarily focusing on materials science, engineering, and energy. The subfields where they have made notable contributions include electrical and electronic engineering, renewable energy, sustainability and the environment, materials chemistry, electronic, optical and magnetic materials, and biomedical engineering.

The main topics of Nageh K. Allam's work cover a range of advanced materials and energy technologies. These include:

  • Supercapacitor materials and fabrication
  • Advanced battery technologies research
  • Electrocatalysts for energy conversion
  • Advanced photocatalysis techniques
  • Advancements in battery materials
  • Conducting polymers and applications
  • TiO2 photocatalysis and solar cells

Their recent published papers demonstrate a focus on catalysts, battery materials, and nanocomposites with applications in energy and environmental sustainability. Notable publications include:

  • "Co-Cu Bimetallic Metal Organic Framework Catalyst Outperforms the Pt/C Benchmark for Oxygen Reduction," 2021, Journal of the American Chemical Society
  • "Recent advances in the design of cathode materials for Li-ion batteries," 2020, RSC Advances
  • "E-waste recycled materials as efficient catalysts for renewable energy technologies and better environmental sustainability," 2023, Environment Development and Sustainability
  • "Novel Z-Scheme/Type-II CdS@ZnO/g-C3N4 ternary nanocomposites for the durable photodegradation of organics: Kinetic and mechanistic insights," 2020, Chemosphere
  • "Bimetallic Co-W-S Chalcogenides Confined in N,S-Codoped Porous Carbon Matrix Derived from Metal-Organic Frameworks for Highly Stable Electrochemical Supercapacitors," 2020, ACS Applied Energy Materials

The researcher collaborates frequently with several coauthors, most notably:

  • Ghada E. Khedr
  • Basant A. Ali
  • Doha M. Sayed
  • Manar M. Taha
  • Mohamed Ramadan

Their work is published regularly in prominent scientific venues such as:

  • Journal of Energy Storage
  • Scientific Reports
  • Nanoscale Advances
  • Energy & Fuels
  • ECS Meeting Abstracts

Best Publications

  • Recent Advances in the Use of TiO2 Nanotube and Nanowire Arrays for Oxidative Photoelectrochemistry

    Karthik Shankar;James I. Basham;Nageh K. Allam;Oomman K. Varghese

  • Photoelectrochemical and water photoelectrolysis properties of ordered TiO2 nanotubes fabricated by Ti anodization in fluoride-free HCl electrolytes

    Nageh K. Allam;Karthik Shankar;Craig A. Grimes

  • Co-Cu Bimetallic Metal Organic Framework Catalyst Outperforms the Pt/C Benchmark for Oxygen Reduction.

    Mohamed Fathi Sanad;Alain R Puente Santiago;Sarah A Tolba;Ariful Ahsan

  • Formation of Vertically Oriented TiO2 Nanotube Arrays using a Fluoride Free HCl Aqueous Electrolyte

    Nageh K. Allam;Craig A. Grimes

  • A review of the effects of benzotriazole on the corrosion of copper and copper alloys in clean and polluted environments

    Nageh K. Allam;Ahmed Abdel Nazeer;Elsayed A. Ashour

  • Impact of Nanotechnology on Enhanced Oil Recovery: A Mini-Review

    Marwan Y. Rezk;Nageh K. Allam

  • Recent advances in the design of cathode materials for Li-ion batteries

    Nourhan Mohamed;Nageh K. Allam

  • Impact of nanotechnology on biogas production: A mini-review

    Mohamed A. Ganzoury;Nageh K. Allam

  • Self-Assembled Fabrication of Vertically Oriented Ta2O5 Nanotube Arrays, and Membranes Thereof, by One-Step Tantalum Anodization

    Nageh K. Allam;Xinjian J. Feng;Craig A. Grimes

  • A facile electrosynthesis approach of amorphous Mn-Co-Fe ternary hydroxides as binder-free active electrode materials for high-performance supercapacitors

    Ayman E. Elkholy;Ayman E. Elkholy;Fakiha El-Taib Heakal;Nageh K. Allam

  • Effect of cathode material on the morphology and photoelectrochemical properties of vertically oriented TiO2 nanotube arrays

    Nageh K. Allam;Craig A. Grimes

  • 3D Interconnected Binder-Free Electrospun MnO@C Nanofibers for Supercapacitor Devices.

    Mohamed Ramadan;Ahmed M. Abdellah;Saad G. Mohamed;Nageh K. Allam

  • Nanostructured spinel manganese cobalt ferrite for high-performance supercapacitors

    Ayman E. Elkholy;Ayman E. Elkholy;F. El-Taib Heakal;Nageh K. Allam

  • E-waste recycled materials as efficient catalysts for renewable energy technologies and better environmental sustainability

    Unknown

  • TiO2 nanotube/CdS hybrid electrodes: extraordinary enhancement in the inactivation of Escherichia coli.

    Steven C Hayden;Nageh K Allam;Mostafa A El-Sayed

  • Thermodynamic and quantum chemistry characterization of the adsorption of triazole derivatives during Muntz corrosion in acidic and neutral solutions

    Nageh K. Allam

  • Asymmetric supercapacitors based on 3D graphene-wrapped V2O5 nanospheres and Fe3O4@3D graphene electrodes with high power and energy densities

    Hossam A. Ghaly;Ahmed G. El-Deen;Eglal R. Souaya;Nageh K. Allam

  • A General Method for the Anodic Formation of Crystalline Metal Oxide Nanotube Arrays without the Use of Thermal Annealing

    Nageh K. Allam;Karthik Shankar;Craig A. Grimes

  • Semi-transparent perovskite solar cells: unveiling the trade-off between transparency and efficiency

    Ligang Yuan;Zhaowei Wang;Ruomeng Duan;Peng Huang

  • Bacteriorhodopsin/TiO2 nanotube arrays hybrid system for enhanced photoelectrochemical water splitting

    Nageh K. Allam;Chun-Wan Yen;Rachel D. Near;Mostafa A. El-Sayed

  • Electrochemical fabrication of complex copper oxide nanoarchitectures via copper anodization in aqueous and non-aqueous electrolytes

    Nageh K. Allam;Craig A. Grimes

Frequent Co-Authors

Mostafa A. El-Sayed
Mostafa A. El-Sayed Georgia Institute of Technology
Craig A. Grimes
Craig A. Grimes Pennsylvania State University
Hamid Garmestani
Hamid Garmestani Georgia Institute of Technology
Craig E. Banks
Craig E. Banks Manchester Metropolitan University
Zainuriah Hassan
Zainuriah Hassan Universiti Sains Malaysia
Yehea Ismail
Yehea Ismail American University in Cairo
Mohamed M. Rashad
Mohamed M. Rashad Central Metallurgical Research & Development Institute
Karthik Shankar
Karthik Shankar University of Alberta
Ahmed Shahat
Ahmed Shahat Suez University
Ahmed Esmail Shalan
Ahmed Esmail Shalan Central Metallurgical Research and Development Institute

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