2017

“Fabrication of rare earth doped ZnO NR /perovskite photodetector on flexible metal sheet"

Year: 2017

Authors: Iman Salem Roqan, Norah Alwadai, Somak Mitra

Perovskite

“High Metal-Oxide nanoparticles based optical materials synthesised by ultrafast laser ablation and scaling up procedure for optoelectronic device fabrication"

Year: 2017

Authors: Somak Mitra, Iman Salem Roqan, Yusin Pak

Nanoparticles

A Photodetector based on p-Si/n-ZnO Nanotube Heterojunctions with High Ultraviolet Responsivity

Year: 2017

Authors: Tahani Hassan Flemban, Md. Azimul Haque, Idris A. Ajia, Norah Alwadai, Somak Mitra, Tom Wu, Iman Salem Roqan

Photodetectors
Oxides
Time-resolved Measurements
Nanotubes
Heterojunctions
Ultraviolet
Pulsed Laser Depositions

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

Year: 2017

Authors: Mufasila Mumthaz Muhammed, Norah Alwadai, Sergei Lopatin, Akito Kuramata, Iman Salem Roqan

Vertical Light Emitting Diode
Electroluminescence
Time-resolved Photoluminescence
Gallium Oxide
Scanning Transmission Electron Microscopy

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

Year: 2017

Authors: Marcelo A. Carignano, Assa Aravindh, Iman Salem Roqan, Jacky Even, Claudine Katan

Perovskite

Beyond Perovskites: Quantum Luminescence from Bulk Cs4PbBr6 Single Crystals

Year: 2017

Authors: Michele De Bastiani, Ibrahim Dursun, Buthainah Alshankiti, Xiao-He Miao, Jun Yin, Yengel Emre, Erkki Alarousu , Bekir Turedi, Yuhai Zhang, Jawaher Almutlaq, Makhsud Saidaminov, Somak Mitra, Iman Salem Roqan, Jean-Luc Bredas, Mohammed Omar, Osman Bakr

Perovskite

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

Year: 2017

Authors: Norah Alwadai, Md. Azimul Haque, Somak Mitra, Tahani Hassan Flemban, Yusin Pak, Tom Wu, Iman Salem Roqan

Perovskite
ZnO
Metal Substrate
Intaband Absorption
Infared Detection

Significant internal quantum efficiency enhancement of GaN/AlGaN multiple quantum wells emitting at ~350 nm via step quantum well structure design

Year: 2017

Authors: Feng Wu, Idris A. Ajia, Haiding Sun, Somak Mitra, Daliang Zhang, Jiangnan Dai, Changging Chen, Zhe Chuan Feng, Iman Salem Roqan, Xiaohang Li

GaN/AlGaN MQWs
Internal Quantum Efficiency
Photoluminescence
Wave-Function Overlap

Photoinduced entropy of InGaN/GaN p-i-n double-heterostructure nanowires

Year: 2017

Authors: Nasir Alfaraj, Somak Mitra, Feng Wu, Idris A. Ajia, Bilaj Janjua, Aditya Prabaswara, Renad Aljefri, Haiding Sun, Tien Khee Ng, Boon S. Ooi, Iman Salem Roqan, Xiaoha Li

InGaN
Nanowires

Surface Passivation of III-Nitride Nanowires for Enhanced Photoelectrochemical Water-Splitting

Year: 2017

Authors: Purushothaman Varadhan, Davide Priante, Hui-Chun Fu, Jose Ramon Duran Retamal, Chao Zhao, Mohamed Ebaid, Tien Khee Ng, Idris A. Ajia, Somak Mitra, Iman Salem Roqan, Boon S. Ooi, Jr-Hau He

III-Nitrides
Nanowires
Photoelectrochemical Water-Splitting
Solar Fuel
Surface Passivation

Double Charged Surface Layers in Lead Halide Perovskite Crystals

Year: 2017

Authors: Mohammed Omar, Sarmah Smritakshi, Burlakov Victor, Yengel Emre, Murali Banavoth, Erkki Alarousu , Chen Yang , Ahmed El-Zohry, Alias Mohd, Ayan Zhumekenov, Makhsud Saidaminov, Cho Namchul, Nimer Wehbe, Somak Mitra, Idris A. Ajia, Dey Sukumar, Mansour Ahmed E.

Lead halide Peroviskite Crystals

Nature of low dimensional structural modulations and relative phase stability in RexMo(W)1-xS2 transition metal dichalcogenide alloys

Year: 2017

Authors: Rajib Sahu, Usha Bhat, Nitin M. Batra, Horta Sharona, Badri Vishal, Sumanta Sarkar, Assa Aravindh Sasikalav Devi, Sebastien C. Peter, Iman Salem Roqan, Pedro Costa, Ranjan Datta

Dichalcogenidealloys

2017

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