• Physics
• Materials Science
• Polymer Electronics

• Fundamentals of Electricity and Magnetism
• Semiconductor Devices
• Electricity and Magnetism
• Basic Digital Electronics
• General Physics
• Digital Electronics
• Polymer Electronics

Polymer Electrolytes

• Preparation, characterization using commercial polymers as well as Sri Lankan Natural Rubber
• Improving properties

Energy storage devices – batteries and super capacitors

• Employing polymer electrolytes
• Preparing natural material based electrodes
• Fabrication, characterization and scaling up of storage devices

• “Sustainable supercapacitors with a natural rubber-based electrolyte and natural graphite-based electrodes”, K.S. Perera, K.P. Vidanapathirana, L.J. Adams, N. Balakrishnan, Electrochem. Sci. Adv. (2023), e2300025 https://doi.org/10.1002/elsa.202300025
• “Evaluation of a 1‑Butyl‑3‑methylimidazolium Bis(trifuoromethylsulfonyl)imide Ionic Liquid‑Based Electrolyte and Its Performance in an Electrochemical Double‑Layer Capacitor”, R.M.L.L. Rathnayake, K.S. Perera, K.P. Vidanapathirana, Journal of Electronic Materials, 51 (2022) 793–802 https://doi.org/10.1007/s11664-021-09340-6
• “Optimization and application of a gel polymer electrolyte in solid state super capacitors with graphite electrodes”, Buddhika P. Gunasekara, Kumudu S. Perera, Kamal P. Vidanapathirana and K. Vignarooban, Advances in Materials Research, 10/2 (2021) 137-147  https://doi.org/10.12989/amr.2021.10.2.137
• “An ionic liquid incorporated gel polymer electrolyte for double layer capacitors”, K.S. Perera, K.W. Prasadini, K.P. Vidanapathirana, Advances in Energy Research, 7(1) (2020) 21-34 https://doi.org/10.12989/eri.2020.7.1.021
• “Fabrication and evaluation of an electrochemical double-layer capacitor with natural graphite electrodes and magnesium trifluoromethanesulfonate–based gel polymer electrolyte”, K.A. Janani K. Karunarathne, Kumudu S. Perera, Kamal P. Vidanapathirana, Jagath C. Pitawela, Journal of Solid State Electrochemistry, 23 (2019) 2165–2171 https://doi.org/10.1007/s10008-019-04309-2
• “Performance of Zn/Graphite rechargeable cells with 1-ethyl-3- methylimidazolium trifluoromethanesulfonate based gel polymer electrolyte”, Prasadini, Kumudu S. Perera and Kamal P. Vidanapathirana, AIMS Energy, 6(4) (2018) 566–575 http://doi.org/10.3934/energy.2018.4.566
• “PEO based nano composite polymer electrolyte for redox capacitor”, S. Perera, K. P. Vidanapathirana, B. Jayamaha, L. Wewagama , M.A.K.L. Dissanayake, G.K.R. Senadheera, K. Vignarooban, Journal of Solid State Electrochemistry, 21/12 (2017) 3459-3465 https://doi.org/10.1007/s10008-017-3695-z
• “Variation of performance of dye sensitized solar cells with the salt concentration of the electrolyte”, M. Bandaranayake, G.S. Samarakoon, K. S. Perera, K.P. Vidanapathirana, Journal of Electrochemical Energy Conversion and Storage, 13 (2016) 0110071-0110074 https://doi.org/10.1115/1.4033951
• “Preparation and characterization of a polyacrylonitrile-based gel polymer electrolyte complexed with 1 methyl-3 propyl immidazolium iodide”, Y.M.C.D. Jayathilake, K.S. Perera, K.P. Vidanapathirana , Journal of Solid State Electrochemistry, 19/8 (2015) 2199-2203 http://dx.doi.org/10.1007%2Fs10008-015-2834-7

• Fellow, Institute of Physics, United Kingdom from 2022
• Full Member, Organization for Women in Science for Developing World ((OWSD) from 2022
• Member, Senior Scientists Forum of National Science and Technology Commission, Sri Lanka
• Associate Member, Centre for Ionics, University of Malaya, Malaysia from 2016
• Fellow, Institute of Physics, Sri  Lanka from 2014  
• Member, Sri Lanka Association of Advancement of Sciences (SLAAS) from 2008
• Member, Young Scientists Forum, National Science and Technology, Sri Lanka from 2000
• Member, Institute of Physics, Sri  Lanka from 1996 to 2013

• Most outstanding Senior Researcher Award for 2017, 2019, 2021 Wayamba University of Sri Lanka, Sri Lanka
• Most outstanding Senior Researcher Award for 2019, 2021 Faculty of Applied Sciences, Wayamba University of Sri Lanka, Sri Lanka
• The Best Presenter at Applied Sciences and Technology technical session in Annual Research Congress 2020, Wayamba University of Sri Lanka, 2021
• Commendation award under the category of Most Outstanding Senior Researcher for 2018, 2020 Wayamba University of Sri Lanka, Sri Lanka
• First Place (Education sector) in Vanithabhimana Award Programme 2020 conducted by NDB Bank and Sirasa Television network, Sri Lanka – Sabaragamuwa Province, Sri Lanka
• National Science Foundation Research Awards 2018 in the field of Basic Sciences, National Science Foundation, Sri Lanka, 2019 
• Support Scheme for Supervision of Research Degrees (SUSRED) Awards, National Science Foundation, Sri Lanka, 2018, 2021, 2023
• The Best Poster Presenter at Material and Mineral Sciences technical session in 2^nd International Research Symposium of Uva Wellassa University, Sri Lanka, 2018
• National Research Council Merit Award – Journal of Solid State Electrochemistry, 19/8 (2015) 2199-2203
• National Research Council Merit Award – Journal of Electroanalytical Chemistry, 724 (2014) 125-129
• Presidential Research Awards 2004 – Materials Research Bulletin, 39 (2004) 1745-1751
• Presidential Research Awards 2001 –  Electrochimica Acta, 45 (2000) 1361-1369

• International Program for Physical Science (IPPS), Uppsala, Sweden/Technical University of Denmark 1996-1997
• International Program for Physical Science (IPPS), Uppsala, Sweden/Technical University of Denmark 1998-1999

• National Research Council, Sri Lanka in 2012 (NRC 12-109) – Principal Investigator “Investigation of gel polymer electrolytes as cation and anion conductors to be used for possible Applications” (October 2012 – September 2015) (LKR 5.9 Mn)
• Wayamba University of Sri Lanka in 2013(SRHDC/RP/04/13-01) – Principal Investigator “Synthesis and characterization of gel polymer electrolytes for Dye sensitized photoelectrochemical devices” (June 2013 – May 2016) (LKR 0.3 Mn)
• Innovative Research Grants, University Grants Commission, Sri Lanka (UGC/VC/DRIC/IRG-2014/WUSL)­ – Principal Investigator “Fabrication and performance evaluation of super capacitors based on gel polymer Electrolytes as energy storage devices” (October 2014 – September 2017) (LKR 4.0 Mn)
• National Science Foundation (RG/2014/BS/01) – Co Investigator “Conducting polymer based Energy Storage Devices” (June 2014 – May 2017) (LKR 2.4 Mn)
• Wayamba University of Sri Lanka (SRHDC/RP/04/14-01) – Co Investigator “Identifying some electroactive polymers to be used for environmental friendly electrochemical cells” (April 2014 – March 2017) (LKR 0.6 Mn)
• National Science Foundation (RG/2017/BS/02) – Principal Investigator “Synthesis and characterization of ionic liquid based gel polymer electrolytes to be used for rechargeable cells and super capacitors” (January 2017 – January 2020) (LKR 2.381 Mn)
• Wayamba University of Sri Lanka (SRHDC/RP/04/17-01) – Principal Investigator “Identifying the suitability of Sri Lankan graphite for electrochemical double layer capacitors (EDLCs)” (April 2017 – March 2020) (LKR 0.761 Mn)
• National Research Council, Sri Lanka in 2017 (NRC 17-006) – Principal Investigator “Value addition to Sri Lankan natural rubber in the field of power and energy” (November 2017 – October 2020) (LKR 3.53 Mn)
• National Research Council, Sri Lanka in 2018 (NRC 18-007) – Co Investigator “Fabrication and analysis of super capacitors with low cost composite hybrid electrodes to meet the future energy challenge” (April 2018 – April 2021) (LKR 4.29 Mn)

• H.G.N. Rajapakshe, PhD – Application of Sri Lankan natural rubber in the field of Power and Energy (completed in 2023)
• R.M.L.L. Rathnayake, MPhil – Fabrication and characterization of energy storage devices using ionic liquids based gel polymer electrolytes (completed in 2022)
• K.M.R.R.N.B.D.S.K. Rajaguru, MPhil – Fabrication and Analysis of Supercapacitors with Low Cost Composite Hybrid Electrodes to Meet the Future Energy Challenge (completed in 2022)
• K.W. Prasadini, MPhil – Study on ionic liquid based gel polymer electrolytes for energy storage devices (completed in 2020)
• A.J.P.S. Kumara, MSc – Fabrication and characterization of dye sensitized solar cells with a tetrahexylammonium iodide salt based gel polymer electrolytes (completed in 2015)
• W.A.D.S.S. Weerasinghe, PhD – Conducting polymer based Energy Storage Devices (completed in 2019)
• Y.M.C.D. Jayathilake, PhD  – Investigation of Gel Polymer Electrolytes as anion and cation conductors to be used in possible applications (completed in 2016)