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Semiconductor and Material Spectroscopy Laboratory
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2021

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Synthesis of vertically aligned metal oxide nanostructures
Year: 2021
Authors: Iman Roqan, Tahani Hassan Flemban
  • Synthesis of vertically aligned metal oxide nanostructures
Enhanced solar-blind deep UV photodetectors based on solution-processed p-MnO quantum dots and n-GaN p–n junction-structure
Year: 2022
Authors: Hadeel Alamoudi, Bin Xin, Somak Mitra, Mohamed N Hedhili, Singaravelu Venkatesh,, Dhaifallah Almalawi, Norah Alwadai,, Zohoor Alharbi, Ahmad Subahi,, Iman S Roqan
  • Enhanced solar-blind deep UV photodetectors based on solution-processed p-MnO quantum dots and n-GaN p–n junction-structure
Deep ultra-violet devices using ultra-violet nanoparticles with p-type conductivity
Year: 2022
Authors: Iman S Roqan, Somak Mitra, Yusin Pak
  • Deep ultra-violet devices using ultra-violet nanoparticles with p-type conductivity
Fabrication of Perovskite/Si periodic microwire arrays via micro-pump fluidic strategy for optelectronics applications
Year: 2021
Authors: XIN Bin, Iman Roqan
  • Fabrication of Perovskite/Si periodic microwire arrays via micro-pump fluidic strategy for optelectronics applications
Micro-pump fluidic strategy for fabricating perovskite microwire array-based devices on semiconductor platforms and method
Year: 2021
Authors: XIN Bin, Iman S Roqan
  • Micro-pump fluidic strategy for fabricating perovskite microwire array-based devices on semiconductor platforms and method
Method for making inorganic perovskite nanocrystals film and applications
Year: 2021
Authors: XIN Bin, I Roqan, Y Zhang, S Mitra
  • Method for making inorganic perovskite nanocrystals film and applications
Enhanced-Performance Self-Powered Solar-Blind UV-C Photodetector Based on n-ZnO Quantum Dots Functionalized by p-CuO Micro-pyramids
Year: 2021
Authors: Norah Alwadai, Somak Mitra, Mohamed Nejib Hedhili, Hadeel Alamoudi, Bin Xin, Naresh Alaal, Iman S Roqan
  • Enhanced-Performance Self-Powered Solar-Blind UV-C Photodetector Based on n-ZnO Quantum Dots Functionalized by p-CuO Micro-pyramids
Manipulation of hot carrier cooling dynamics in two-dimensional Dion–Jacobson hybrid perovskites via Rashba band splitting
Year: 2021
Authors: Jun Yin, Rounak Naphade, Partha Maity, Luis Gutiérrez-Arzaluz, Dhaifallah Almalawi, Iman S Roqan, Jean-Luc Brédas, Osman M Bakr, Omar F Mohammed
  • Manipulation of hot carrier cooling dynamics in two-dimensional Dion–Jacobson hybrid perovskites via Rashba band splitting
Giant clam inspired high-speed photo-conversion for ultraviolet optical wireless communication
Year: 2021
Authors: Ram Chandra Subedi, Susann Rossbach, Chun Hong Kang, Omar Alkhazragi, Xiaobin Sun, Jorge A Holguin-Lerma, Somak Mitra, Iman S Roqan, Ali R Behzad, Rachid Sougrat, Tien Khee Ng, Donal DC Bradley, Carlos M Duarte, Boon S Ooi
  • Giant clam inspired high-speed photo-conversion for ultraviolet optical wireless communication
Domain‐Size‐Dependent Residual Stress Governs the Phase‐Transition and Photoluminescence Behavior of Methylammonium Lead Iodide
Year: 2021
Authors: Kwang Jae Lee, Bekir Turedi, Andrea Giugni, Muhammad Naufal Lintangpradipto, Ayan A Zhumekenov, Abdullah Y Alsalloum, Jung‐Hong Min, Ibrahim Dursun, Rounak Naphade, Somak Mitra, Iman S Roqan, Boon S Ooi, Omar F Mohammed, Enzo Di Fabrizio, Namchul Cho, Osman M Bakr
  • Domain‐Size‐Dependent Residual Stress Governs the Phase‐Transition and Photoluminescence Behavior of Methylammonium Lead Iodide
Evidence of Carrier Localization in AlGaN/GaN based Ultraviolet Multiple Quantum Wells with Opposite Polarity Domains Provided by Nanoscale Imaging
Year: 2021
Authors: Mei Cui, Wei Guo, Houqiang Xu, Li Chen, Somak Mitra, Iman S Roqan, Haibo Jiang, Xiaohang Li, Jichun Ye
  • Evidence of Carrier Localization in AlGaN/GaN based Ultraviolet Multiple Quantum Wells with Opposite Polarity Domains Provided by Nanoscale Imaging
A solid-liquid two-phase precipitation method for growth of fullerene (C60) nanowires
Year: 2021
Authors: Xiao Fan, Junfeng Geng, Navneet Soin, Supriya Chakrabarti, Somak Mitra, Iman Roqan, Hua Li, Mustapha Olaoluwa Babatunnde, Andy Baldwin
  • A solid-liquid two-phase precipitation method for growth of fullerene (C60) nanowires
Highly efficient transverse-electric-dominant ultraviolet-c emission employing GaN multiple quantum disks in AlN nanowires matrix
Year: 2021
Authors: Ram Chandra Subedi, Jung-Wook Min,, Somak Mitra, Kuang-Hui Li, Idris Ajia, Edgars Stegenburgs, Dalaver H Anjum,, Michele A Conroy, Kalani Moore, Ursel Bangert, Iman S Roqan, Tien Khee Ng, Boon S Ooi
  • Highly efficient transverse-electric-dominant ultraviolet-c emission employing GaN multiple quantum disks in AlN nanowires matrix
Quantifying the Transverse-Electric-Dominant 260 nm Emission from Molecular Beam Epitaxy-Grown GaN-Quantum-Disks Embedded in AlN Nanowires: A Comprehensive Optical and …
Year: 2020
Authors: Ram Chandra Subedi, Jung-Wook Min, Somak Mitra, Kuang-Hui Li, Idris Ajia, Edgars Stegenburgs, Dalaver H Anjum, Michele Conroy, Kalani Moore, Ursel Bangert, Iman S Roqan, Tien Khee Ng, Boon S OoiACS Applied Materials & Interfaces 12 (37), 41649-41658 (2020)
  • Quantifying the Transverse-Electric-Dominant 260 nm Emission
Nanoporous GaN/n-type GaN: A Cathode Structure for ITO-Free Perovskite Solar Cells
Year: 2020
Authors: Kwang Jae Lee, Jung-Wook Min, Bekir Turedi, Abdullah Y Alsalloum, Jung-Hong Min, Yeong Jae Kim, Young Jin Yoo, Semi Oh, Namchul Cho, Ram Chandra Subedi, Somak Mitra, Sang Eun Yoon, Jong H Kim, Kwangwook Park, Tae-Hoon Chung, Sung Hoon Jung, Jong H Baek, Young Min Song, Iman S Roqan, Tien Khee Ng, Boon S Ooi, Osman M BakrACS Energy Letters 5 (10), 3295-3303 (2020)
  • Nanoporous GaN/n-type GaN: A Cathode Structure for ITO-Free Perovskite Solar Cells
GaN and InGaN nanowires prepared by metal-assisted electroless etching: Experimental and theoretical studies
Year: 2020
Authors: SA Aravindh, B Xin, S Mitra, IS Roqan, A NajarResults in Physics 19
  • GaN and InGaN nanowires prepared by metal-assisted electroless
Identifying Carrier Behavior in Ultrathin Indirect‐Bandgap CsPbX3 Nanocrystal Films for Use in UV/Visible‐Blind High‐Energy Detectors
Year: 2020
Authors: B Xin, N Alaal, S Mitra, A Subahi, Y Pak, D Almalawi, N Alwadai, ..
  • Identifying Carrier Behavior in Ultrathin Indirect‐Bandgap CsPbX3 Nanocrystal Films for Use in UV/Visible‐Blind High‐Energy Detectors
Spin-sensitive ultraviolet light-based device and method
Year: 2020
Authors: IS Roqan - US Patent App. 16/880,004, 2020
Micropump Fluidic Strategy for Fabricating Perovskite Microwire Array-Based Devices Embedded in Semiconductor Platform
Year: 2021
Authors: B Xin, Y Pak, M Shi, S Mitra, X Zheng, OM Bakr, IS Roqan
  • Micropump Fluidic Strategy
Fabrication and optical characterization of GaN waveguides on (−201)-oriented β-Ga2O3
Year: 2018 DOI:https://doi.org/10.1364/OME.8.000088
Authors: Kashif M Awan, Mufasila M Muhammad, Madhavi Sivan, Spencer Bonca, Iman S Roqan, Ksenia Dolgaleva
  • Fabrication and optical characterization of GaN waveguides on (−201)-oriented β-Ga2O3
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