Polymer Electronics

• Basic Electronics
• Polymer Electronics
• Scientific Writing
• Introduction to Semiconductors
• General Physics
• Digital Electronics

Conducting Polymers

• Synthesizing conducting polymers and characterization

Energy Storage Devices – batteries and super capacitors

• Fabrication using conducting polymers, natural graphite and polymer electrolytes
• Characterization and scaling up

• The influence of preparation conditions on the electrical conductivity of poly-N-Methyl pyrrole K.P. Vidanapathirana, M.A. Careem, S. Skaarup and K. West, Solid State Ionics, 123 (1999) 287-292
• Determination of ionic carriers in polypyrrole S. Skaarup, K. West, L.M.W.K. Gunaratne, K.P. Vidanapathirana and M.A. Careem, Solid State Ionics, 136/137 (2000) 577-582
• Ion movement in polypyrrole / dodecylbenzenesulphonate films in aqueous and non- aqueous electrolytes
• K.P. Vidanapathirana, M.A. Careem, S. Skkarup and K. West, Solid State Ionics, 154/155 (2002) 331-335
• Polypyrrole/Dodecylbenzenesulphonate based artificial muscles and their behavior P.Vidanapathirana and M. A. Careem, Ceylon Journal of Science : Physical Sciences, 9(1) (2002) 37-41
• Simultaneous Anion and Cation Mobility in Pyrrole S. Skkarup, L. Bay, K.P. Vidanapathirana, S. Thybo, P. Tofte and K. West, Solid State Ionics, 159 (2003) 143-147
• Dependence of force produced by Polypyrrole-based Artificial muscles on ionic species involved M.A. Careem, K.P. Vidanapathirana, S. Skaarup, K. West, Solid State Ionics, 175 (2004) 725-728
• Effect of Cathode thickness on the performance of the cell Li / PAN:EC:PC:LiCF₃SO₃ / PPy:DBS K.P. Vidanapathirana, M.A. Careem, Sri Lankan Journal of Physics, 7 (2006) 29-34
• Artificial muscles based on Polyacrylonitrile based electrolytes Kumudu Perera, K.P. Vidanapathirana, M.A.K.L. Dissanayake, Sri Lankan Journal of Physics, 8 (2007) 39-45
• Determination of electrochemical stability window of a polyacrylonitrile based polymer system for different electrodes Kumudu Perera,K.P. Vidanapathirana, M.A.K.L. Dissanayake, Sri Lankan Journal of Physics, 9 (2008) 1-6
• Effect of the polymer host, polyacrylonitrile on the performance of Li rechargeable cells S. Perera, K.P. Vidanapathirana, M.A.K.L. Dissanayake, Sri Lankan Journal of Physics, 12 (2011) 25-31
• Performance variation of Li rechargeable cells having polypyrrole cathodes doped with different anions K.P. Vidanapathitana and K. Perera, Journal of National Science Foundation, Sri Lanka, 42(2) (2014) 143-147
• A novel gel polymer electrolyte based on Polymethylmethacrylaate and Cupper Trifluoromethanesulfonate Y.M.C.D. Jayathilake, K.S. Perera, K.P. Vidanapathirana, L.R.A.K. Bandara, Journal of Electroanalytical Chemistry, 724 (2014) 125-129
• Ionic conductivity of a gel polymer electrolyte and its performance in solid state electrochemical cells Y.M.C.D. Jayathilake, S. Perera, K.P. Vidanapathirana, L.R.A.K. Bandara, Sri Lankan Journal of Physics, 15 (2014) 11-17
• Evaluation of a copper based gel polymer electrolyte and its performance in a primary cellM.C.D. Jayathilake, K.S. Perera,K.P. Vidanapathirana, L.R.A.K. Bandara, Sri Lankan Journal of Physics, 15 (2014) 45-51
• 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
• A cyclic voltammetry study of a gel polymer electrolyte based redox capacitor .M. Bandaranayake, W.A.D.S.S. Weerasinghe, K.P. Vidanapathiranaana, K.S. Perera, Sri Lankan Journal of Physics, 16 (2015) 19-27
• Performance of Zn rechargeable cells having Polypyrrole cathodes doped with surfactant anion A.D.S.S. Weerasinghe, L.K.M. Madhushani, K.P. Vidanapathirana and K.S. Perera, Ruhuna Journal of Science, 6 (2015) 43-50
• A cyclic voltammetry study of a gel polymer electrolyte based redox capacitor C.M. Bandaranayake, W.A.D.S.S. Weerasinghe, K.P. Vidanapathirana, K.S. Perera, Sri Lankan Journal of Physics, 16 (2015) 19-27
• Performance of a NaSCn based gel polymer electrolyte in redox capacitors M. Bandaranayake, Y.M.C.D. Jayathilake, K.S. Perera, K.P. Vidanapathirana, Sabaragamuwa Journal, Sabaragamuwa University of Sri Lanka,14/2 (2015) 149-161
• Effect of cation size of iodide salts in the electrolyte on the performance of dye sensitized solar cells W.M.T. Madhushani, M.C.D. Jayathilake, K.S. Perera, K.P. Vidanapathirana, Journal of National Science Foundation, Sri Lanka, (2016) 77-81
• Variation of performance of dye sensitized solar cells with the salt concentration of the electrolyte C. M. Bandaranayake, G.S. Samarakoon, K. S. Perera, K.P. Vidanapathirana, Journal of Electrochemical Energy Conversion and Storage, 13 (2016) 0110071-0110074
• Stability of dye sensitized solar cell based on gel polymer electrolytes M. Buddhika, K.P. Vidanapathirana, K.S. Perera, Kalyani Journal, University of Kelaniya, XXXI(2016) 59-73
• Investigation of a gel polymer electrolyte based on polyacrylionitrile and MgCl₂ for a redox capacitors C. M. Bandaranayake, M.C.D. Jayathilake, K.S. Perera, K.P. Vidanapathirana, L. R. A. K. Bandara, Ceylon Journal of Science, 45(1) (2016) 75–82
• Preparation and characterization of a PAN based gel polymer electrolytes for redox capacitors C.M. Bandaranayake, W.A.D.S.S. Weerasinghe, K.P. Vidanapathirana, K.S. Perera, Ruhuna Journal of Science, 7 (2016) 1-11
• Polyvinylidine fluoride based gel polymer electrolyte to be used in solar energy to electrical energy conversion K.S. Perera, K.P. Vidanapathirana, Sri Lankan Journal of Physics, 17 (2016) 29-39
• Effect of polymerization current density of electrodes on the performance of Polypyrrole based redox-capacitor W. A. D. S. S. Weerasinghe, K.P. Vidanapathirana, K. S. Perera, C. M. Bandaranayake, Journal of National Science Foundation, Sri Lanka, 45/1 (2017) 73-77
• Investigation of a Pseudo Capacitor with Polyacrylonitrile based Gel Polymer Electrolyte Neminda Harankahawa, Sandaranga Weerasinghe, Kamal Vidanapathirana and Kumudu Perera, Journal of Electrochemical Science and Technology 8/2 (2017) 107-114
• PEO based nano composite polymer electrolyte for redox capacitor K. 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
• Use of gel polymer electrolytes to integrate photoelectric conversion and energy storage N. Harankahawa, K. Perera, K.P. Vidanapathirana, Journal of Energy Storage 13(2017) 96–102
• Impedance Spectroscopy, DC polarization, XRD and SEM studies on an ionic liquid based gel polymer electrolyte to be used for dye sensitized solar cells K. Perera and K.P. Vidanapathirana, Material Discovery, 7 (2017) 30-33
• Effect of monomer concentration on the performance of Polyaniline based redox capacitors W.A.D.S.S. Weerasinghe, K.P. Vidanapathirana and Kumudu S. Perera, Ceylon Journal of Science, 46(3) (2017) 31-37
• Fabrication and evaluation of an all solid redox capacitor with an iodine based gel polymer electrolyte C.M. Bandaranayake, W.A.D.S.S. Weerasinghe, K.S. Perera, K.P. Vidanapathirana, Journal of National Science Foundation, Sri Lanka, 45(4) (2017) 355-360
• Effect of the gel polymer electrolyte conductivity on the performance of Zn rechargeable cell Kumudu S. Perera and K.P. Vidanapathirana, Ceylon Journal of Science, 46(4) (2017) 15-19
• Zn rechargeable cell with a gel polymer electrolyte based on an ionic liquid K. W. Prasadini, K. S. Perera and K. K.P. Vidanapathirana, Sri Lanka Journal of Physics, 18 (2017) 35-43
• Electrochemical double layer capacitors with PEO and Sri Lankan natural graphite B. Jayamaha, M.A.K.L. Dissanayake, K. Vignarooban, K.P. Vidanapathirana, K.S. Perera, Advances in Energy Research, 5/3 (2017) 219-226
• Performance of Zn/Graphite rechargeable cells with 1-ethyl-3- methylimidazolium trifluoromethanesulfonate based gel polymer electrolyte Prasadini, Kumudu S. Perera and Kamal K.P. Vidanapathirana, AIMS Energy, 6(4) (2018) 566–575
• Performance evaluation of polyaniline-based redox capacitors with respect to polymerization current density W.A.D.S.S. Weerasinghe, K.P. Vidanapathirana and K.S. Perera, AIMS Energy, 6(4) (2018) 593–606
• Use of a gel polymer electrolyte based on PVdF and ZnCl₂ for an EDLC G.K. Udawatte, K.S. Perera, K.P. Vidanapathirana, Ceylon Journal of Science, 47(4) (2018) 331-336
• Use of Natural Graphite for an Energy Storage Device P.D.D. Dilhani, K.S. Perera, K.P. Vidanapathirana and K. Vignarooban, Energy and Earth Science, 1/1 (2018) 52-57
• An ionic liquid based gel polymer electrolyte to be employed in power generating applications W. Prasadini, K.S. Perera and K.P. Vidanapathirana, Ruhuna Journal of Science 9(2) (2018) 78-91
• Exploring the suitability of natural rubber and natural graphite for Mg rechargeable cells Kasturiarachchi, K.S. Perera and K.P. Vidanapathirana, Ceylon Journal of Science, 48(1) (2019) 37-42
• Applicability of natural rubber based polymer electrolyte for electrochemical double layer capacitors N.A.A.K. Sanjaya, K.S. Perera, K.P. Vidanapathirana, Sri Lankan Journal of Physics, 20 (2019) 17-26
• Characterization of ionic liquid based gel polymer electrolyte for potential applications W. Prasadini, K.S. Perera and K.P. Vidanapathirana, Journal of National Science Foundation, Sri Lanka, 47/1 (2019) 133-138
• 1-Ethyl-3-methylimadazolium trifluoromethanesulfonate-based gel polymer electrolyte for application in electrochemical double-layer capacitors K.W. Prasadini, K.S. Perera and K.P. Vidanapathirana, Ionics, 25 (2019) 2805-2811
• Performance of rechargeable cell using an ionic liquid gel polymer electrolyte and natural Graphite electrode K.W. Prasadini, K.S. Perera and K.P. Vidanapathirana, Bulletin of Material Science, 48/4 (2019) 180-183
• 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 K.P. Vidanapathirana, Jagath C. Pitawela, Journal of Solid State Electrochemistry, 23 (2019) 2165–2171
• Solid state electrochemical double layer capacitors with natural graphite and activated charcoal composite electrodes A.D. Hansika, K.S. Perera, K.P. Vidanapathirana, U.L. Zainudeen, Advances in Materials Research (South Korea) 8(1) (2019) 1-10
• Competency of Sri Lankan natural rubber for electrolytes in energy storage devices K. S. Perera, K.P. Vidanapathirana, Plastics and Rubber-Sri Lanka, 1/18 (2019) 41-43
• Fabrication of a low cost, environmental friendly Zn rechargeable cell Zn / NG rechargeable cell K.V.T. Chathurika, K.S. Perera, K.P. Vidanapathirana, U.L. Zainudeen, Journal of Sri Lanka Association for Advancement of Science, (2019) 21-28
• Zn/Natural graphite rechargeable cell with an ionic liquid based gel polymer electrolyte W. Prasadini, K.S. Perera and K.P. Vidanapathirana, Ceylon Journal of Science, 49/1 (2020) 125-129
• Past, present and future of ionic liquid based polymer electrolytes M.L.L. Rathnayake, K.S. Perera, K.P. Vidanapathirana, AIMS Energy, 8(2) (2020) 231-251
• 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
• A natural rubber based electrolyte to be used in EDLCs with Sri Lankan graphite N.A.A.K. Sanjaya, K.P. Vidanapathirana, K.S. Perera, Materials Today Proceedings, 23 (2020) 30-33
• Preparation and characterization of 1-ethyl-3-methylimidazolium chloride–based gel polymer electrolyte in electrochemical double-layer capacitors R.M.L.L. Rathnayake, K.S. Perera, K.P. Vidanapathirana, Journal of Solid State Electropchemistry, 24 (2020) 2333–2340

• Member, Sri Lanka Association of Advancement of Sciences (SLAAS) from 1996
• Member, Young Scientists Forum, National Science and Technology, Sri Lanka from 2000
• Member, Institute of Physics, Sri  Lanka from 2000 to 2013
• Fellow, Institute of Physics, Sri  Lanka from 2014
• Associate Member , Centre for Ionics, University of Malaya, Malaysia from 2016

• Presidential Research Awards 1999 – Solid State Ionics 123 (1999) 287-292
• Presidential Research Awards 2001 – Solid State Ionics 136-137 (2000) 577-582
• Presidential Research Awards 2003 – Solid State Ionics 154 (2003) 331-335
• Presidential Research Awards 2005 – Solid State Ionics 175 (2004) 725-728
• National Research Council Merit Award – Journal of Electroanalytical Chemistry, 724 (2014) 125-129
• National Research Council Merit Award – Journal of Solid State Electrochemistry, 19/8 (2015) 2199-2203
• Support Scheme for Supervision of Research Degrees (SUSRED) Awards, National Science Foundation, Sri Lanka, 2018
• Most outstanding Senior Researcher Award for 2017, Wayamba University of Sri Lanka, Sri Lanka, 2018
• National Science Foundation Research Awards 2018 in the field of Basic Sciences, National Science Foundation, Sri Lanka, 2019
• Commendation award under the category of Most Outstanding Senior Researcher for 2018, Wayamba University of Sri Lanka, Sri Lanka, 2019
• Commendation award under the category of Most Outstanding Senior Researcher for 2019, Wayamba University of Sri Lanka, Sri Lanka, 2021

• 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

Research Grants

• Wayamba University of Sri Lanka, (WUSL/RG/2005/07) – Principal Investigator “Self-configurable system develop using JBITS application programming interface” One Year (2005) (LKR 94,900.00)
• National Research Council, Sri Lanka in 2012 (NRC 12-109) – Co 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) – Co 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)­ – Co 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) – Principal 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) – Principal 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) – Co 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) – Co 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) – Co 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) – Principal 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)

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