Research Interests

  • Developing scaled-up synthesis protocols for several 2D transition metal carbides/nitrides (MXenes) along with their parent MAX phases
  • Investigating & exploiting the plasmonic & optoelectronic properties of MXenes & other 2D materials
  • Designing & fabricating MXene-based and Perovskite-based optoelectronic devices


Selected Publications

  • MXene Hydrogels: Fundamental and Applications
    Y. Zhang,* J. El-Demellawi,* Q. Jiang, G. Ge, H. Liang, K. Lee, X. Dong and H. Alshareef. ...
    Chem. Soc. Rev. 49, 7229, (2020)
  • 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. 32, 1908392, (2020)
  • 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. Als...
    ACS Energy Lett. 4, 2579, (2019)
  • 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. Als...
    ACS Energy Lett. 4, 2315, (2019)
  • MXenes for Plasmonic Photodetection
    D. Velusamy,* J. El-Demellawi,* A. El-Zohry, A. Giungi, S. Lopatin, M. Hedhili, A. Mansour...
    Adv. Mater. 31, 1807658, (2019)
  • 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, ...
    ACS Energy Lett. 3, 2301, (2018)
  • Tunable Multipolar Surface Plasmons in 2D Ti3C2Tx MXene Flakes
    J. El-Demellawi, S. Lopatin, J. Yin, Omar Mohammed and H. Alshareef
    ACS Nano 12, 8485, (2018)
  • Hybrid Electrolytes Based on Ionic Liquids and Amorphous Porous Silicon Nanoparticles: Organization and Electrochem...
    M. Tchalala, J. El-Demellawi, E. Abou-Hamad, J. Retamal, P. Varadhan, J. He and S. Chaieb.
    Appl. Mater. Today 9, 10, (2017)
  • Room-Temperature Reactivity of Si Nanocrystals with Solvents: The Case of Ketone and Hydrogen Production from Secon...
    J. El-Demellawi, C. Holt, E. Abou-Hamad, Z. Al-Talla and S. Chaieb
    ACS Appl. Mater. & Interfaces 7, 13794, (2015)

Education Profile

  • Ph.D., Materials Science and Engineering, KAUST, Thuwal, Saudi Arabia, 2020
  • M.Sc., Materials Science and Engineering, KAUST, Thuwal, Saudi Arabia, 2014
  • B.Sc., Materials Engineering, Ain Shams University, Cairo, Egypt, 2011

Professional Profile

  • ​​2021-present: Postdoctoral fellow, KAUST, Thuwal, Saudi Arabia
  • 2016-2020: Ph.D. Candidate, KAUST, Thuwal, Saudi Arabia
  • 2013 - 2016: Research Fellow | Lab Manager, Nanobiophysics Lab, KAUST, Thuwal, Saudi Arabia
  • 2012 - 2013: Teaching Assistant, Mechanical Engineering Department, AUC, Cairo, Egypt
  • 2011 - 2013: Research Assistant, Yousef Jameel Science & Technology Research Center, AUC, Cairo, Egypt

Scientific and Professional Memberships

  • ​Materials Research Society (MRS)
  • American Chemical Society (ACS)
  • America Physics Society (APS)