Dr. D. Attygalle
Department of Materials Science and
University of Moratuwa,
Katubedda, Sri Lanka.

+94 112640440 (Direct Line)
+94112650301 (Extension – 5602)


  • Current Teaching Modules
  • Solid State Materials
  • Electronic and Optical Device Engineering
  • Optical and Electron Microscopy
  • Research Interests
  • Thin film photovoltaics

    -Device/material fabrication and characterization.
    -Vacuum and non-vacuum techniques to deposit thin films.
    -Use of low cost and earth abundant materials for photovoltaics.

  • Graphene
    -Use of graphene and graphene oxide for device fabrication
  • Spectroscopic Ellipsometry
    -Thin film characterization
    -Real time monitoring and control

BSc. In Physics (University of Colombo, Colombo, Sri Lanka)

PhD. In Physics (University of Toledo, OH, USA)

2013 – to date: Senior Lecturer – Grade II ,Department of Materials Science and Engineering, University of Moratuwa, Moratuwa, Sri Lanka.

2009-2013: Post-Doctoral Research Associate, The Center for Photovoltaics Innovation and Commercialization Toledo, OH, USA.

2004-2008: Research Assistant, Department of Physics and Astronomy University of Toledo, Toledo, OH, USA

2003-2004: Teaching Assistant, Department of Physics and Astronomy, University of Toledo, Toledo, OH, USA

2002-2003: Demonstrator/ Laboratory Instructor, University of Colombo, Colombo, Sri Lanka

Aryal, P., Ibdah, A. -R., Pradhan, P., Attygalle, D., Koirala, P., Podraza, N. J., Marsillac, S., Collins, R. W., and Li, J., Parameterized complex dielectric functions of CuIn1−xGaxSe2: applications in optical characterization of compositional non-uniformities and depth profiles
in materials and solar cells.,Prog. Photovolt: Res. Appl., 24: 1200–1213 (2016). doi:10.1002/pip.2774.

Shi, Z., Attygalle, D., Jayatissa, A.H., Kesterite-based next generation high performance thin
film solar cell: current progress and future prospects, J Mater Sci: Mater Electron (2016). doi:10.1007/s10854-016-5753-1

P. Pradhan, P. Aryal, D. Attygalle, A. Ibdah, P. Koirala, J. Li, K. P. Bhandari, G. K. Liyanage, R. J. Ellingson, M. J. Heben, S. Marsillac, R. W. Collins, N. J. Podraza, Real Time Spectroscopic Ellipsometry Analysis of First Stage CuIn1− xGaxSe2 Growth: Indium- Gallium Selenide Co-Evaporation., Materials, 2018, 11(1), 145; doi:10.3390/ma11010145

S. M. Silva, P. H. D. Kulathilake, D. Attygalle and D. A. S. Amarasinghe, “Study of the dielectric behavior of graphite oxide upon exposure to chlorine,” 2017 Moratuwa Engineering Research Conference (MERCon), Moratuwa, 2017, pp. 83-87. doi: 10.1109/MERCon.2017.7980461

D. Egodage, R. Dodampola, S. Weragoda, D. A. S. Amarasinghe and D. Attygalle, “Investigation of Plasticizer Evaporation of Local Electrical Cable Insulations,” 2018Moratuwa Engineering Research Conference (MERCon), Moratuwa, 2018, pp. 533-537.

D. A. S. Amarasinghe, D. Attygalle, S. Weragoda, R. Dodampola and S. Dehipawala, “Investigation of 3D Refractive Index Contrast Variations in PVG Based Photo Printed Passive Optical Integrated Circuit Components.,” 2018 Moratuwa Engineering Research Conference (MERCon), Moratuwa, 2018, pp. 517-521. doi: 10.1109/MERCon.2018.8421991