Publications

Meso-Zn (II) porphyrins of Tailored Functional Groups for Intensifying the Photoacoustic Signal

Year: 2020 DOI:10.1039/D0TC00369G

Authors: Amina Yasin, Vijayakumar S Nair, S Assa Aravindh, Shaheen M Sarkar, Maryam Hatamimoslehabadi, Somak Mitra, Mohd Hasbi Ab Rahim, Jeffrey La, Iman Roqan, Mashitah M Yusoff, Chandra S Yelleswarapu, Rajan Jose

Meso-Zn (II) porphyrins of Tailored Functional Groups for Intensifying the Photoacoustic Signal

Time–Energy Quantum Uncertainty: Quantifying the Effectiveness of Surface Defect Passivation Protocols for Low-Dimensional Semiconductors

Year: 2020 DOI:https://pubs.acs.org/doi/abs/10.1021/acsaelm.9b00578

Authors: Nasir Alfaraj, Wael Alghamdi, Meshal Alawein, Idris A Ajia, Davide Priante, Bilal Janjua, Haiding Sun, Tien Khee Ng, Boon S Ooi, Iman S Roqan, Xiaohang Li

Time–Energy Quantum Uncertainty: Quantifying the Effectiveness of Surface Defect Passivation Protocols for Low-Dimensional Semiconductors

Modulating Electronic Structures of Armchair GaN Nanoribbons by Chemical Functionalization under an Electric Field Effect

Year: 2020 DOI:https://pubs.acs.org/doi/abs/10.1021/acsomega.9b03841

Authors: Naresh Alaal, Iman S Roqan

Modulating Electronic Structures of Armchair GaN Nanoribbons by Chemical Functionalization under an Electric Field Effect

Density Functional Theory Studies of Zn12O12 Clusters Doped with Mg/Eu and Defect Complexes

Year: 2020 DOI:https://doi.org/10.1007/s10876-020-01758-y(0123456789().,-volV) (0123456789().,-volV)

Authors: SA Aravindh, IS Roqan, H Alawadhi

Density functional theory ZnO cluster Density of states Magnetism Optical property

Low-Temperature Crystallization Enables 21.9% Efficient Single-Crystal MAPbI3 Inverted Perovskite Solar Cells

Year: 2020 DOI:https://pubs.acs.org/doi/abs/10.1021/acsenergylett.9b02787

Authors: Abdullah Y Alsalloum, Bekir Turedi, Xiaopeng Zheng, Somak Mitra, Ayan A Zhumekenov, Kwang Jae Lee, Partha Maity, Issam Gereige, Ahmed AlSaggaf, Iman S Roqan, Omar F Mohammed, Osman M Bakr

Low-Temperature Crystallization Enables 21.9% Efficient Single-Crystal MAPbI3 Inverted Perovskite Solar Cells

Titanium Carbide MXene Nucleation Layer for Epitaxial Growth of High-Quality GaN Nanowires on Amorphous Substrates

Year: 2020 DOI:https://pubs.acs.org/doi/abs/10.1021/acsnano.9b09126

Authors: Aditya Prabaswara, Hyunho Kim, Jung-Wook Min, Ram Chandra Subedi, Dalaver H Anjum, Bambar Davaasuren, Kalani Moore, Michele Conroy, Somak Mitra, Iman S Roqan, Tien Khee Ng, Husam N Alshareef, Boon S Ooi

Titanium Carbide MXene Nucleation Layer for Epitaxial Growth of High-Quality GaN Nanowires on Amorphous Substrates

Enhanced Photoresponse of WS2 Photodetectors through Interfacial Defect Engineering Using a TiO2 Interlayer

Year: 2020 DOI:https://doi.org/10.1021/acsaelm.0c00011

Authors: Yusin Pak, Woojin Park, Naresh Alaal, Yogeenth Kumaresan, S Assa Aravindh, Somak Mitra, Bin Xin, Jung-Wook Min, Hyeonghun Kim, Namsoo Lim, Byungjin Cho, Gun-Young Jung, Muhammad M Hussain, Iman S Roqan

Enhanced Photoresponse of WS2 Photodetectors through Interfacial Defect Engineering Using a TiO2 Interlayer

Dark-current reduction accompanied photocurrent enhancement in p-type MnO quantum-dot decorated n-type 2D-MoS2-based photodetector

Year: 2020

Authors: Yusin Pak, Somak Mitra, Naresh Alaal, Bin Xin, Sergei Lopatin, Dhaifallah Almalawi, J-W Min, H Kim, W Kim, G-Y Jung, Iman S Roqan

Dark-current reduction accompanied photocurrent enhancement in p-type MnO quantum-dot decorated n-type 2D-MoS2-based photodetector

Methods and apparatuses for fabricating perovskite-based devices on cost-effective flexible conductive substrates

Year: 2020

Authors: Iman Salem ROQAN ,Norah Mohammed ALWADAI, Somak Mitra

Methods and apparatuses for fabricating perovskite-based devices on cost-effective flexible conductive substrates

Sub-quantum-well influence on carrier dynamics in high efficiency DUV dislocation-free AlGaN/AlGaN-based multiple-quantum-wells

Year: 2020

Authors: Idris A. Ajia, Dhaifallah Almalawi, · Yi Lu, Sergei Lopatin, Xiaohang Li, Zhiqiang Liu, Iman S. Roqan

Sub-quantum-well influence on carrier dynamics in high efficiency DUV dislocation-free AlGaN/AlGaN-based multiple-quantum-wells

Method and apparatus for fabricating high performance optoelectronic devices

Year: 2020

Authors: Somak Mitra, Iman S Roqan, Yusin Pak

Enhanced UV Emission of GaN Nanowires Functionalized by Wider Band Gap Solution-Processed p-MnO Quantum Dots

Year: 2020 DOI:doi.org/10.1021/acsami.0c07029

Authors: Dhaifallah Almalawi, Sergei Lopatin, Somak Mitra, Tahani Flemban, Alexandra-Madalina Siladie, Bruno Gayral, Bruno Daudin, Iman S. Roqan

III-Nitrides
semiconductor nanowires
light-emitting devices
p-type MnO quantum dots
electron energy loss spectroscopy

Understanding the origins of ultralong radiative states in metal halide perovskite crystals

Year: 2018

Authors: Erkki Alarousu , Ahmed El-Zohry, Kwangjae Lee, Bekir Turedi, Ibrahim Dursun, Jun Yin, Ayan Zhumekenov, Somak Mitra, Iman Salem Roqan, Chen Yang , Anton Malko, Mohammed Omar, Osman Bakr

halide perovskite crystals

Patent: Synthesis of vertically aligned metal oxide nanostructures

Year: 2018

Authors: Iman Salem Roqan, Tahani Hassan Flemban

Nanostructures

Scalable integration of periodically aligned 2D-MoS2 nanoribbon array

Year: 2018

Authors: Yusin Pak, Yonghum Kim, N. Lim, J-W Min, Woojin Park, W. Kim, Y. Jeong, H. Kim, Somak Mitra, B. Xin, T-W Kim, Iman Salem Roqan, Byungjin Cho, Gun-Young Jung, K. Kim

Two-dimensional (2D) Molybdenum Disulfide

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

Year: 2018

Authors: Idris A. Ajia, Y. Yamashita, K. Lorenz, M.M. Muhammed, L. Spasevski, D. Almalawi, Jian Xu, K. Lizuka, Y. Morishima, DH Anjum, N. Wei, R.W. Martin, A. Kuramata, Iman Salem Roqan