All Stories

  1. A Theoretical Insight of Cr Dopant in Tungsten Oxide for Gas Sensor Application

    Article • Materials Today Communications, September 2021, Elsevier

    Dr Roshan Thotagamuge

  2. Effect of Cr doping in CeO2 nanostructures on photocatalysis and H2O2 assisted methylene blue dye degradation

    Article • Catalysis Today, September 2021, Elsevier

    Dr Roshan Thotagamuge

  3. Plasmonic refractive index sensor based on the combination of rectangular and circular resonators including baffles

    Article • Chinese Journal of Physics, June 2021, Elsevier

    Dr Roshan Thotagamuge

  4. Fabrication and Characterization of S-Benzyldithiocarbazate Schiff Base Microcrystals by a Reprecipitation Method for Enhanced Antibacterial Activity

    Article • International Journal of Technology, December 2020, International Journal of Technology

    Dr Roshan Thotagamuge

  5. Ultrawide Bandgap and High Sensitivity of a Plasmonic Metal-Insulator-Metal Waveguide Filter with Cavity and Baffles

    Article • Nanomaterials, October 2020, MDPI AG

    Dr Roshan Thotagamuge

  6. Highly Sensitive and Tunable Plasmonic Sensor Based on a Nanoring Resonator with Silver Nanorods

    Article • Nanomaterials, July 2020, MDPI AG

    Dr Roshan Thotagamuge

  7. Enhanced photoluminescence of DCJTB with ordered Ag-SiO2 core–shell nanostructures via nanosphere lithography

    Article • Results in Physics, June 2020, Elsevier

    Dr Roshan Thotagamuge

  8. Perfect Dual-Band Absorber Based on Plasmonic Effect with the Cross-Hair/Nanorod Combination

    Article • Nanomaterials, March 2020, MDPI AG

    Dr Roshan Thotagamuge

  9. Plasmonic perfect absorber based on metal nanorod arrays connected with veins

    Article • Results in Physics, December 2019, Elsevier

    Dr Roshan Thotagamuge

  10. Fabrication and Characterization of a Metallic–Dielectric Nanorod Array by Nanosphere Lithography for Plasmonic Sensing Application

    Article • Nanomaterials, November 2019, MDPI AG

    Dr Roshan Thotagamuge

  11. Ultra-High Refractive Index Sensing Structure Based on a Metal-Insulator-Metal Waveguide-Coupled T-Shape Cavity with Metal Nanorod Defects

    Article • Nanomaterials, October 2019, MDPI AG

    Dr Roshan Thotagamuge

  12. Enhanced Carbon monoxide-sensing properties of Chromium-doped ZnO nanostructures

    Article • Scientific Reports, June 2019, Springer Science + Business Media

    Dr Roshan Thotagamuge

  13. Dynamic Light Scattering and Zeta Potential Studies of Ceria Nanoparticles

    Article • Solid State Phenomena, July 2018, Trans Tech Publications

    Dr Roshan Thotagamuge

  14. Heavy metal adsorption behaviour with modified Bamboo charcoal

    Article • Key Engineering Materials, March 2018, Trans Tech Publications

    Dr Roshan Thotagamuge, Nurul Najihah Rosli

  15. Simultaneous realization of high sensing sensitivity and tunability in plasmonic nanostructures arrays

    Article • Scientific Reports, December 2017, Springer Science + Business Media

    Dr Roshan Thotagamuge

  16. Recent progress and utilization of natural pigments in dye sensitized solar cells: A review

    Article • Renewable and Sustainable Energy Reviews, October 2017, Elsevier

    Dr Roshan Thotagamuge

  17. Plasmonic spectrum on 1D and 2D periodic arrays of rod-shape metal nanoparticle pairs with different core patterns for biosensor and solar cell applications

    Article • Journal of Optics, October 2016, Institute of Physics Publishing

    Dr Roshan Thotagamuge

  18. Tailoring surface plasmon resonance and dipole cavity plasmon modes of scattering cross section spectra on the single solid-gold/gold-shell nanorod

    Article • Journal of Applied Physics, September 2016, American Institute of Physics

    Dr Roshan Thotagamuge

  19. Efficiency enhancement of Ixora floral dye sensitized solar cell by diminishing the pigments interactions

    Article • Solar Energy, July 2015, Elsevier

    Dr Roshan Thotagamuge

  20. Potential natural sensitizers extracted from the skin of Canarium odontophyllum fruits for dye-sensitized solar cells

    Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, March 2015, Elsevier

    Dr Roshan Thotagamuge

  21. Impacts of Temperature on the Stability of Tropical Plant Pigments as Sensitizers for Dye Sensitized Solar Cells

    Article • Journal of Biophysics, February 2014, Hindawi Publishing Corporation

    Dr Roshan Thotagamuge

  22. Equilibrium Isotherm Studies of Adsorption of Pigments Extracted from Kuduk-kuduk (Melastoma malabathricumL.) Pulp onto TiO2Nanoparticles

    Article • Journal of Chemistry, January 2014, Hindawi Publishing Corporation

    Dr Roshan Thotagamuge

  23. Layered co-sensitization for enhancement of conversion efficiency of natural dye sensitized solar cells

    Article • Journal of Alloys and Compounds, December 2013, Elsevier

    Dr Roshan Thotagamuge

  24. Combined experimental and DFT–TDDFT study of photo-active constituents of Canarium odontophyllum for DSSC application

    Article • Chemical Physics Letters, October 2013, Elsevier

    Dr Roshan Thotagamuge

  25. Study of the Enhancement of Cell Performance of Dye Sensitized Solar Cells Sensitized With Nephelium lappaceum (F: Sapindaceae)

    Article • Journal of Solar Energy Engineering, May 2013, ASME International

    Dr Roshan Thotagamuge

  26. DFT/TDDFT and Experimental Studies of Natural Pigments Extracted from Black Tea Waste for DSSC Application

    Article • International Journal of Photoenergy, January 2013, Hindawi Publishing Corporation

    Dr Roshan Thotagamuge

  27. Kinetics of photocurrent generation and an efficient charge separation of a dye-sensitized n-Cu2O/p-CuSCN junction photoelectrode in a solid-state photovoltaic cell

    Article • Semiconductor Science and Technology, October 2010, Institute of Physics Publishing

    Dr Roshan Thotagamuge

  28. CO2 gas sensitivity of sputtered zinc oxide thin films

    Article • Bulletin of Materials Science, April 2007, Springer Science + Business Media

    Prof. Pubudu P. Samarasekara, Dr Roshan Thotagamuge

  29. Sputtered copper oxide (CuO) thin films for gas sensor devices

    Article • Journal of Physics Condensed Matter, February 2006, Institute of Physics Publishing

    Prof. Pubudu P. Samarasekara, Dr Roshan Thotagamuge