World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
44
Citations
5071
World Ranking
12181
National Ranking
70

Iman S. Roqan publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Iman S. Roqan sits on this spectrum.

50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50 publications 1,163+

This scientist: 125 publications — 7th percentile

7% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

Iman S. Roqan D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Iman S. Roqan sits on this spectrum.

40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40 D-Index 165+

This scientist: 44 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

Overview

Iman S. Roqan is affiliated with King Abdullah University of Science and Technology in Saudi Arabia. Their research focuses primarily on materials science, engineering, and physics and astronomy.

The main fields of study covered by their publications include:

  • Materials Science
  • Engineering
  • Physics and Astronomy

Within these fields, subfields of particular interest are:

  • Materials Chemistry
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Biomedical Engineering

Key research topics addressed in their work involve:

  • ZnO doping and properties
  • Ga2O3 and related materials
  • GaN-based semiconductor devices and materials
  • Perovskite Materials and Applications
  • Quantum Dots Synthesis And Properties
  • 2D Materials and Applications
  • Solid-state spectroscopy and crystallography

Recent publications demonstrate focus areas and include:

  • Low-Temperature Crystallization Enables 21.9% Efficient Single-Crystal MAPbI3 Inverted Perovskite Solar Cells, 2020, ACS Energy Letters
  • Dark-current reduction accompanied photocurrent enhancement in p-type MnO quantum-dot decorated n-type 2D-MoS2-based photodetector, 2020, Applied Physics Letters
  • Manipulation of hot carrier cooling dynamics in two-dimensional Dion-Jacobson hybrid perovskites via Rashba band splitting, 2021, Nature Communications
  • Identifying Carrier Behavior in Ultrathin Indirect-Bandgap CsPbX3 Nanocrystal Films for Use in UV/Visible-Blind High-Energy Detectors, 2020, Small
  • Enhanced-Performance Self-Powered Solar-Blind UV-C Photodetector Based on n-ZnO Quantum Dots Functionalized by p-CuO Micro-pyramids, 2021, ACS Applied Materials & Interfaces

Frequent coauthors in their work include:

  • Somak Mitra
  • Bin Xin
  • Hadeel Alamoudi
  • Dhaifallah R. Almalawi
  • Boon S. Ooi

The venues in which they often publish are representative of interdisciplinary research at the intersection of materials and applied science, including:

  • ACS Applied Materials & Interfaces
  • ACS Energy Letters
  • Applied Physics Letters
  • Small
  • ACS Applied Electronic Materials

Best Publications

  • Low-Temperature Crystallization Enables 21.9% Efficient Single-Crystal MAPbI3 Inverted Perovskite Solar Cells

    Abdullah Yousef Alsalloum;Bekir Turedi;Xiaopeng Zheng;Somak Mitra

  • Inside Perovskites: Quantum Luminescence from Bulk Cs4PbBr6 Single Crystals

    Michele De Bastiani;Ibrahim Dursun;Yuhai Zhang;Buthainah A. Alshankiti

  • Surface Passivation of GaN Nanowires for Enhanced Photoelectrochemical Water-Splitting.

    Purushothaman Varadhan;Hui-chun Fu;Davide Priante;Jose Ramon Duran Retamal

  • The pro-angiogenic properties of multi-functional bioactive glass composite scaffolds.

    Lutz-Christian Gerhardt;Kate L. Widdows;Melek M. Erol;Charles W. Burch

  • Extremely reduced dielectric confinement in two-dimensional hybrid perovskites with large polar organics

    Bin Cheng;Ting You Li;Partha Maity;Pai Chun Wei

  • Unambiguously Enhanced Ultraviolet Luminescence of AlGaN Wavy Quantum Well Structures Grown on Large Misoriented Sapphire Substrate

    Haiding Sun;Somak Mitra;Ram Chandra Subedi;Yi Zhang

  • Light-Induced Self-Assembly of Cubic CsPbBr3 Perovskite Nanocrystals into Nanowires

    Jiakai Liu;Kepeng Song;Yongwoo Shin;Xin Liu

  • Droop-Free, Reliable, and High-Power InGaN/GaN Nanowire Light-Emitting Diodes for Monolithic Metal-Optoelectronics

    Chao Zhao;Tien Khee Ng;Rami T. ElAfandy;Aditya Prabaswara

  • Identification of the prime optical center in GaN:Eu3+

    I. S Roqan;K. P O'Donnell;R. W Martin;P. R Edwards

  • A Photodetector Based on p-Si/n-ZnO Nanotube Heterojunctions with High Ultraviolet Responsivity.

    Tahani Hassan Flemban;Azimul Haque;Idris A. Ajia;Norah Alwadai

  • High-Performance Ultraviolet-to-Infrared Broadband Perovskite Photodetectors Achieved via Inter-/Intraband Transitions

    Norah Alwadai;Norah Alwadai;Azimul Haque;Somak Mitra;Tahani Flemban

  • High-performance solar-blind flexible deep-UV photodetectors based on quantum dots synthesized by femtosecond-laser ablation

    Somak Mitra;Assa Aravindh;Gobind Das;Yusin Pak

  • Tuning the Electronic Properties of Hexagonal Two-Dimensional GaN Monolayers via Doping for Enhanced Optoelectronic Applications

    Naresh Alaal;Iman S. Roqan

  • High optical and structural quality of GaN epilayers grown on ( 2¯01) β-Ga2O3

    Mufasila Mumthaz Muhammed;M. Peres;Y. Yamashita;Y. Morishima

  • High-Efficiency InGaN/GaN Quantum Well-Based Vertical Light-Emitting Diodes Fabricated on β-Ga2O3 Substrate.

    Mufasila Mumthaz Muhammed;Norah M. Alwadai;Sergei Lopatin;Akito Kuramata

  • Self-Patterned CsPbBr3 Nanocrystals for High-Performance Optoelectronics

    Bin Xin;Yusin Pak;Somak Mitra;Dhaifallah Almalawi

  • Surface-Passivated AlGaN Nanowires for Enhanced Luminescence of Ultraviolet Light Emitting Diodes

    Haiding Sun;Mohammad Khaled Shakfa;Mufasila Mumthaz Muhammed;Bilal Janjua

  • Generated Carrier Dynamics in V-Pit-Enhanced InGaN/GaN Light-Emitting Diode

    Idris. A. Ajia;Paul R. Edwards;Yusin Pak;Ermek Belekov

  • Double Charged Surface Layers in Lead Halide Perovskite Crystals

    Smritakshi P. Sarmah;Victor M. Burlakov;Emre Yengel;Banavoth Murali

  • Ultraviolet-to-blue color-converting scintillating-fibers photoreceiver for 375-nm laser-based underwater wireless optical communication.

    Chun Hong Kang;Abderrahmen Trichili;Omar Alkhazragi;Huafan Zhang

  • Critical Fluctuations and Anharmonicity in Lead Iodide Perovskites from Molecular Dynamics Supercell Simulations

    Marcelo A. Carignano;S. Assa Aravindh;Iman S. Roqan;Jacky Even

Frequent Co-Authors

Boon S. Ooi
Boon S. Ooi King Abdullah University of Science and Technology
Eduardo Alves
Eduardo Alves Instituto Superior Técnico
Tien Khee Ng
Tien Khee Ng King Abdullah University of Science and Technology
Osman M. Bakr
Osman M. Bakr King Abdullah University of Science and Technology
Omar F. Mohammed
Omar F. Mohammed King Abdullah University of Science and Technology
Dalaver H. Anjum
Dalaver H. Anjum Khalifa University
Gun Young Jung
Gun Young Jung Gwangju Institute of Science and Technology
Udo Schwingenschlögl
Udo Schwingenschlögl King Abdullah University of Science and Technology
Jun Yin
Jun Yin Hong Kong Polytechnic University
Aldo R. Boccaccini
Aldo R. Boccaccini University of Erlangen-Nuremberg

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