•   Design & fabrication of MXene-based and Perovskite-based Photodetectors

• Unprecedented Surface Plasmon Modes in Monoclinic MoO₂ Nanostructures

  Y. Zhu,* J. El-Demellawi,* S. Lopatin, J. Yin, M. Hedhili, O. Mohammed and H. Alshareef

  Adv. Mater., 2020, 32, 1908392. [*Co-First Author]

• MAPbI₃ Single Crystals Free from Hole-Trapping Centers for Enhanced Photodetectivity

  C. Yang,* J. El-Demellawi,* J. Yin, D. Velusamy, A. Emwas, A. El-Zohry, I. Gereige, A. Alsaggaf, O. Bakr, H. Alshareef and O. Mohammed

  ACS Energy Lett., 2019, 4, 2579. [*Co-First Author]

• Metal Halide Perovskite and Phosphorus Doped g-C 3 N 4 Bulk Heterojunctions for Air- Stable Photodetectors

  Z. Liu, Y. Zhu, J. El-Demellawi, D. Velusamy, A. El-Zohry, O. Bakr, O. Mohammed and H. Alshareef

  ACS Energy Lett., 2019, 4, 2315.

• MXenes for Plasmonic Photodetection

  D. Velusamy,* J. El-Demellawi,* A. El-Zohry, A. Giungi, S. Lopatin, M. Hedhili, A. Mansour, E. Di Fabrizio, Omar Mohammed and H. Alshareef

  Adv. Mater., 2019, 31, 1807658. [*Co-First Author]

• Giant Photoluminescence Enhancement in CsPbCl3 Perovskite Nanocrystals by Simultaneous Dual-Surface Passivation

  G. Ahmed, J. El-Demellawi, J. Yin, J. Pan, D. Velusamy, M. Hedhili, E. Alarousu, O. Bakr, H. Alshareef and O. Mohammed

  ACS Energy Lett., 2018, 3, 2301.

• Tunable Multipolar Surface Plasmons in 2D Ti₃C₂T_x MXene Flakes

  J. El-Demellawi, S. Lopatin, J. Yin, Omar Mohammed and H. Alshareef

  ACS Nano, 2018, 12, 8485.

• Hybrid Electrolytes Based on Ionic Liquids and Amorphous Porous Silicon Nanoparticles: Organization and Electrochemical Properties

  M. Tchalala, J. El-Demellawi, E. Abou-Hamad, J. Retamal, P. Varadhan, J. He and S. Chaieb.

  Appl. Mater. Today, 2017, 9, 10.

• Room-Temperature Reactivity of Si Nanocrystals with Solvents: The Case of Ketone and Hydrogen Production from Secondary Alcohols: Catalysis?

          J. El-Demellawi, C. Holt, E. Abou-Hamad, Z. Al-Talla and S. Chaieb

         ACS Appl. Mater. & Interfaces, 2015, 7, 13794. 

• 2016 - present:  Ph.D. in Material Science and Engineering, King Abdullah University of Science and Technology, Saudi Arabia.
• 2013 - 2014: M.Sc. in Material Science and Engineering, King Abdullah University of Science and Technology, Saudi Arabia.
• 2006 - 2011: B.Sc. in Materials Engineering, Ain Shams University, Egypt

•   2012 - 2013: Teaching Assistant, Mechanical Engineering Department, The American University in Cairo, Egypt.

•   2010 - 2013: Research Assistant, Microfabrication Laboratory, The American University in Cairo, Egypt.

• Division of Physical Sciences and Engineering (PSE)
• Materials Science and Engineering Program
• Functional Nanomaterials and Devices Laboratory
• Ultrafast Laser Spectroscopy and 4-D Electron Imaging Laboratory