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Semiconductor and Material Spectroscopy Laboratory
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2017

  1. Publications
  • Clear filters
“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
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