Dharmaraj Periyanagounder, Ph.D.

Alumni and Former Staff

Postdoctoral Fellow in Tung Group

Research Interests

My research interests include the micro/nanofabrication of 2D materials and heterostructures for electronic, optoelectronic and micro electrochemical device applications.

Selected Publications

  • Fast Response, Highly Air-Stable, and Water-Resistant Organic Photodetectors Based on a Single Crystal Pt Complex 
    P. Dharmaraj, T-Z. Wei, T-Y. Li, C-H. Lin, TP Gonçalves, H-C. Fu, D-S. Tsai, J-J. Ke, H-W....
    Advanced Materials, 1904634 , (2019)
  • Highly efficient and stable photoelectrochemical hydrogen evolution with 2D-NbS2/Si nanowire heterojunction 
    G. Paulraj, P. Dharmaraj, V. Purushothaman, J-H. He, and K. Jeganathan 
    Applied Materials and Interfaces, 11, 47, 44179-, (2019)
  • Charge Carrier Injection and Transport Engineering in Two-Dimensional Transitional Metal Dichalcogenides 
    J.R.D Retamal, P. Dharmaraj, M. L. Tsai, J.J. Ke, J. H. He
    Chemical Science, 9 (40), 7727-7745 , (2019)
  • High Performance, Self- Powered, Photodetectors Based on Graphene-Silicon Schottky Junction Diode 
    P. Dharmaraj, G. Paulraj, V. Purushothaman, J. H. He and K. Jeganathan
    Journal of Materials Chemistry C, 6, 9545 9551 , (2018)
  • Tuning a Schottky Barrier of Epitaxial Graphene on 4H-SiC (0001) Substrate by Hydrogen Intercalation 
    P. Dharmaraj, P. Justin Jesuraj and K. Jeganathan
    Applied Physics Letters, 108, 051605 , (2016)
  • Selective Area Growth of Bernal Bilayer Epitaxial Graphene on 4H-SiC (0001) by Electron-Beam Irradiation 
    P. Dharmaraj, K. Jeganathan, S. Parthiban, J. Y. Kwon, S. Gautam, K. H. Chae, K. Asokan
    Applied Physics Letters, 105, 181601 , (2014)


  • Ph.D., Physics, Bharathidasan University, India (2018)
  • M.Sc., Physics, Bharathidasan University, India (2011)

Professional Profile

  • 2019 – Current: Postdoctoral fellow, KAUST, Thuwal, Saudi Arabia


  • Council of Scientific and Industrial Research (CSIR), Govt of India – Senior Research Fellow

KAUST Affiliations

  • KAUST Solar Center(KSC)
  • Division of Physical Sciences and Engineering(PSE)

Research Interests Keywords

2D materials nanofabrication(E-beam & Photolithography) Nanoelectronics Opto-electronics Neuromorphic Computing ​environmental catalysis