KOH Wee Shing

PhD, Electrical and Electronic Engineering, Nanyang Technological University(2007)

Adjunct Associate Professor

Email : phykws@nus.edu.sg

Current Research

  • Nano-Photonics and Plasmonics

  • Solar cell design and Optoelectronic device physics

  • Plasma and particle-in-cell simulations

  • Urban environmental & green building modeling - solar irradiance & daylighting

Selected Publications

  1. K. J. A. Ooi, W. S. Koh, H. S. Chu, D. T. H. Tan, L. K. Ang, "Efficiencies of Aloof-Scattered Electron Beam Excitation of Metal and Graphene Plasmons", IEEE Trans. Plasma Sci, IEEE Trans Plasma Sci. , 43, 951-956 (2015). [INVITED ARTICLE]

  2. Y.-L. Liu, S. H. Chen, W. S. Koh, and L. K. Ang, “Two-dimensional relativistic space charge limited current flow in the drift space", Phys. Plasmas, 21, 043101 (2014).

  3. W. S. Koh, C. H. Gan, W. K. Phua, Yu. A. Akimov and P. Bai, “The potential of graphene as an ITO replacement in organic solar cells: An optical perspective”, IEEE J. Quantum Electron., 20, 36-42 (2014).

  4. W. J. Ding, Z. M. Sheng and W. S. Koh, “High-field half-cycle terahertz radiation from relativistic laser interaction with thin solid targets”, Applied Physics Letters, 103, 204107 (2013).

  5. S. H. Chen, L. C. Tai, Y. L. Liu, L. K. Ang, and W. S. Koh, “Two-dimensional electromagnetic Child–Langmuir law of a short-pulse electron flow", Phys. Plasmas, 18, 023105 (2011).

  6. Yu. A. Akimov and W. S. Koh, “Design of plasmonic nanoparticles for efficient subwavelength light trapping", Appl. Phys. Let., 99, 063102 (2011).

  7. Yu. A. Akimov and W. S. Koh, “Tolerance sudy of nanoparticle enhancement for thin-film silicon solar cell", Appl. Phys. Let., 99, 063102 (2011).

  8. W. S. Koh, M. Pant, Yu. A. Akimov, W. P. Goh and Y. Li, “Three-Dimensional Optoelectronic Model for Organic Bulk Heterojunction Solar Cells, IEEE Journal of Photovoltaics, 1, 84-92 (2011).

Affiliations & Links

  • Institute of High Performance Computing (A*STAR)