Publications

Highly Stable and Ultrafast Hydrogen Gas Sensor Based on 15 nm Nanogaps Switching in a Palladium–Gold Nanoribbons Array

Year: 2018

Authors: Gun‐Young Jung usin Pak, Yeonggyo Jeong, Naresh Alaal, Hyeonghun Kim, Jeonghoon Chae, Jung‐Wook Min, Assa Aravindh Sasikala Devi, Somak Mitra, Da Hoon Lee, Yogeenth Kumaresan, Woojin Park, Tae‐Wook Kim, Iman S Roqan

Highly Stable and Ultrafast Hydrogen Gas Sensor Based on 15 nm Nanogaps Switching in a Palladium–Gold Nanoribbons Array

Enhanced Performance of MoS2 Photodetectors by Inserting an ALD‐Processed TiO2 Interlayer

Year: 2018 DOI:https://doi.org/10.1002/smll.201703176

Authors: Yusin Pak, Woojin Park, Somak Mitra, Assa Aravindh Sasikala Devi, Kalaivanan Loganathan, Yogeenth Kumaresan, Yonghun Kim, Byungjin Cho, Gun‐Young Jung, Muhammad M Hussain, Iman S Roqan

Enhanced Performance of MoS2 Photodetectors by Inserting an ALD‐Processed TiO2 Interlayer

Photonics: Enhanced Performance of MoS2 Photodetectors by Inserting an ALD‐Processed TiO2 Interlayer (Small 5/2018)

Year: 2018 DOI:https://doi.org/10.1002/smll.201870022

Authors: Yusin Pak, Woojin Park, Somak Mitra, Assa Aravindh Sasikala Devi, Kalaivanan Loganathan, Yogeenth Kumaresan, Yonghun Kim, Byungjin Cho, Gun‐Young Jung, Muhammad M Hussain, Iman S Roqan

Photonics: Enhanced Performance of MoS2 Photodetectors by Inserting an ALD‐Processed TiO2 Interlayer (Small 5/2018)

GaN/AlGaN multiple quantum wells grown on transparent and conductive (-201)-oriented β-Ga2O3 substrate for UV vertical light emitting devices

Year: 2018 DOI:https://doi.org/10.1063/1.5025178

Authors: Idris A Ajia, Y Yamashita, K Lorenz, MM Muhammed, L Spasevski, Dhaifallah Almalawi, J Xu, K Iizuka, Y Morishima, Dalaver H Anjum, Nini Wei, RW Martin, A Kuramata, Iman S Roqan

GaN/AlGaN multiple quantum wells grown on transparent and conductive (-201)-oriented β-Ga2O3 substrate for UV vertical light emitting devices

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

Year: 2018

Authors: Bin Cheng, Ting-You Li, Partha Maity, Pai-Chun Wei, Dennis Nordlund, Kang-Ting Ho, Der-Hsien Lien, Chun-Ho Lin, Ru-Ze Liang, Xiaohe Miao, Idris A Ajia, Jun Yin, Dimosthenis Sokaras, Ali Javey, Iman S Roqan, Omar F Mohammed, Jr-Hau He

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

Tuning the electronic properties of hexagonal two-dimensional GaN monolayers via doping for enhanced optoelectronic applications

Year: 2018 DOI:https://doi.org/10.1021/acsanm.8b01852

Authors: Naresh Alaal, Iman S Roqan

Tuning the electronic properties of hexagonal two-dimensional GaN monolayers via doping for enhanced optoelectronic applications

Modification of electronic properties of GaN monolayer by group III-VI dopants: A first-principles study

Year: 2019

Authors: Naresh Alaal, Iman Roqan

Modification of electronic properties of GaN monolayer by group III-VI dopants: A first-principles study

Electronic properties of chemically functionalized armchair GaN nanoribbons: A computational study

Year: 2019

Authors: Naresh Alaal, Iman Roqan

Electronic properties of chemically functionalized armchair GaN nanoribbons: A computational study

Self-Patterned CsPbBr3 Nanocrystals for High-Performance Optoelectronics

Year: 2019 DOI:https://doi.org/10.1021/acsami.8b17249

Authors: Bin Xin, Yusin Pak, Somak Mitra, Dhaifallah Almalawi, Norah Alwadai, Yuhai Zhang, Iman S Roqan

Self-Patterned CsPbBr3 Nanocrystals for High-Performance Optoelectronics

Correction: Analysis on the energetics, magnetism and electronic properties in a 45° ZnO grain boundary doped with Gd

Year: 2019 DOI:https://doi.org/10.1039/C9RA90001B

Authors: Assa Aravindh Sasikala Devi, Iman S Roqan

Correction: Analysis on the energetics, magnetism and electronic properties in a 45° ZnO grain boundary doped with Gd

structural and optical properties of InxGa1-xN/GaN epilayers grown on a miscut sapphire substrate

Year: 2019 DOI:10.15406/mseij.2018.02.00056

Authors: Idris A Ajia, SMC Miranda, N Franco, E Alves, K Lorenz, KP O'Donnell, Iman S Roqan

structural and optical properties of InxGa1-xN/GaN epilayers grown on a miscut sapphire substrate

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

Year: 2019 DOI:https://doi.org/10.1021/acs.chemmater.9b00680

Authors: Jiakai Liu, Kepeng Song, Yongwoo Shin, Xin Liu, Jie Chen, Ke Xin Yao, Jun Pan, Chen Yang, Jun Yin, Liang-Jin Xu, Haoze Yang, Ahmed M El-Zohry, Bin Xin, Somak Mitra, Mohamed Nejib Hedhili, Iman S Roqan, Omar F Mohammed, Yu Han, Osman M Bakr

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

Catalyst-Free Vertical ZnO-Nanotube Array Grown on p-GaN for UV-Light-Emitting Devices

Year: 2019 DOI:https://doi.org/10.1021/acsami.9b06195

Authors: Norah Alwadai, Idris A Ajia, Bilal Janjua, Tahani H Flemban, Somak Mitra, Nimer Wehbe, Nini Wei, Sergei Lopatin, Boon S Ooi, Iman S Roqan

Catalyst-Free Vertical ZnO-Nanotube Array Grown on p-GaN for UV-Light-Emitting Devices

Three-dimensional band diagram in lateral polarity junction III-nitride heterostructures

Year: 2019 DOI:https://doi.org/10.1364/OPTICA.6.001058

Authors: Wei Guo, Somak Mitra, Houqiang Xu, Moheb Sheikhi, Haiding Sun, Kangkai Tian, Zi-hui Zhang, Haibo Jiang, Iman S Roqan, Xiaohang Li, Jichun Ye

Three-dimensional band diagram in lateral polarity junction III-nitride heterostructures

Solar-Blind Self-Powered Photodetector Using Solution-Processed Amorphous Core–Shell Gallium Oxide Nanoparticles

Year: 2019 DOI:https://pubs.acs.org/doi/abs/10.1021/acsami.9b11694

Authors: Somak Mitra, Yusin Pak, Bin Xin, Dhaifallah R Almalawi, Nimer Wehbe, Iman S Roqan

Solar-Blind Self-Powered Photodetector Using Solution-Processed Amorphous Core–Shell Gallium Oxide Nanoparticles

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

Year: 2019 DOI:https://doi.org/10.1364/OE.27.030450

Authors: Chun Hong Kang, Abderrahmen Trichili, Omar Alkhazragi, Huafan Zhang, Ram Chandra Subedi, Yujian Guo, Somak Mitra, Chao Shen, Iman S Roqan, Tien Khee Ng, Mohamed-Slim Alouini, Boon S Ooi

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

Novel P‐Type Wide Bandgap Manganese Oxide Quantum Dots Operating at Deep UV Range for Optoelectronic Devices

Year: 2019

Authors: Somak Mitra, Yusin Pak, Naresh Alaal, Mohamed N Hedhili, Dhaifallah R Almalawi, Norah Alwadai, Kalaivanan Loganathan, Yogeenath Kumarasan, Namsoo Lim, Gun Y Jung, Iman S Roqan

Novel P‐Type Wide Bandgap Manganese Oxide Quantum Dots Operating at Deep UV Range for Optoelectronic Devices

Unambiguously enhanced ultraviolet luminescence of AlGaN wavy quantum well structures grown on large misoriented sapphire substrate

Year: 2019

Authors: Haiding Sun, Somak Mitra, Ram Chandra Subedi, Yi Zhang, Wei Guo, Jichun Ye, Mohammad Khaled Shakfa, Tien Khee Ng, Boon S Ooi, Iman S Roqan, Zihui Zhang, Jiangnan Dai, Changqing Chen, Shibing Long

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

Structural, magnetic and electronic properties of two dimensional NdN: an ab initio study

Year: 2019 DOI:10.1039/c9ra07429e

Authors: Assa Aravindh Sasikala Devi, Iman S Roqan

Structural, magnetic and electronic properties of two dimensional NdN: an ab initio study

Optimized performance III-nitride-perovskite-based heterojunction photodetector via asymmetric electrode configuration

Year: 2020 DOI:10.1039/C9RA08823G

Authors: Somak Mitra, Mufasila Mumthaz Muhammed, Norah Alwadai, Dhaifallah R Almalawi, Bin Xin, Yusin Pak, Iman S Roqan

Optimized performance III-nitride-perovskite-based heterojunction photodetector via asymmetric electrode configuration

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