2026 Iman S. Roqan: Materials Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Materials Science	44	12184	11782	70	70	125	5071

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

253
Citations
Inside Perovskites: Quantum Luminescence from Bulk Cs4PbBr6 Single Crystals

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

241
Citations
Surface Passivation of GaN Nanowires for Enhanced Photoelectrochemical Water-Splitting.

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

223
Citations
The pro-angiogenic properties of multi-functional bioactive glass composite scaffolds.

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

204
Citations
Extremely reduced dielectric confinement in two-dimensional hybrid perovskites with large polar organics

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

203
Citations
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

179
Citations
Light-Induced Self-Assembly of Cubic CsPbBr3 Perovskite Nanocrystals into Nanowires

Jiakai Liu;Kepeng Song;Yongwoo Shin;Xin Liu

154
Citations
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

137
Citations
Identification of the prime optical center in GaN:Eu3+

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

135
Citations
A Photodetector Based on p-Si/n-ZnO Nanotube Heterojunctions with High Ultraviolet Responsivity.

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

121
Citations
High-Performance Ultraviolet-to-Infrared Broadband Perovskite Photodetectors Achieved via Inter-/Intraband Transitions

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

111
Citations
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

88
Citations
Tuning the Electronic Properties of Hexagonal Two-Dimensional GaN Monolayers via Doping for Enhanced Optoelectronic Applications

Naresh Alaal;Iman S. Roqan

87
Citations
High optical and structural quality of GaN epilayers grown on ( 2¯01) β-Ga2O3

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

87
Citations
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

85
Citations
Self-Patterned CsPbBr3 Nanocrystals for High-Performance Optoelectronics

Bin Xin;Yusin Pak;Somak Mitra;Dhaifallah Almalawi

81
Citations
Surface-Passivated AlGaN Nanowires for Enhanced Luminescence of Ultraviolet Light Emitting Diodes

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

80
Citations
Generated Carrier Dynamics in V-Pit-Enhanced InGaN/GaN Light-Emitting Diode

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

80
Citations
Double Charged Surface Layers in Lead Halide Perovskite Crystals

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

77
Citations
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

74
Citations
Critical Fluctuations and Anharmonicity in Lead Iodide Perovskites from Molecular Dynamics Supercell Simulations

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

71
Citations