Prof. H.M.J.C.Pitawala
Professor
PhD in Materials Science (Chalmers University of Technology, Sweden)
Lic.Phil in Materials Science (Chalmers University of Technology, Sweden)
M.Sc. (Peradeniya)
BSc(Special Degree) (Peradeniya)
Email :jagath@uwu.ac.lk
Phone : +94 55 222 6676
Papers published in peer review journals
Influence of graphene oxide reduction and solvent effect on the performance of graphene oxide based supercapacitor, U.L.I. Udayantha, A.M.B.S. Alahakoon, A.D.T. Medagedara, J.A.C.P. Jayalath, G.R.A. Kumara, H.M.J.C. Pitawala, R.D.A.A. Rajapaksha, M.A.K.L. Dissanayake, T.M.W.J. Bandara, Next Materials, Volume 10 (2026), pp. 101388.
Enhancing quasi solid-state dye-sensitized solar cell performance by encapsulating n-TiO2 nanocrystallite-multi-layers by p-La2O3 charge separating layer, T.M.W.J. Bandara, R.D.M.A.C.B. Rajakarunarathne, R.P. Chandrika, L. Ajith De Silva, Kirthi Tennakone, G.R.A. Kumara, H.M.J.C. Pitawala, Prasad S. Wanninayake, Journal of Power Sources, Volume 661 (2026), pp. 238689.
Evaluation of Physicochemical Changes in Hard-Boiled Eggs Stored at Different Temperatures, Gamaralalage Schithra Rukshan Eregama, Shine Htet Aung, Herath Mudiyanselage Jagath Chaminda Pitawala, Mahabbat Ali, Seong-Yun Lee, Ji-Young Park, Edirisinghe Dewage Nalaka Sandun Abeyrathne, Ki-Chang Nam, Food Science of Animal Resources, Volume 44 (1) (2024), pp. 74-86.
The Effect of Particle Sizes of Clearing Nut Seed Powder and Rice Husk Powder for Removal Efficiency of Cd2+ from Synthetic Wastewater, A.P. Henagamage, K. Tharshigah, H.M.J.C. Pitawala, Sri Lankan Journal of Applied Sciences, Volume 1 (1) (2023), pp. 34-42.
The comparison of ion interactions in sodium and magnesium based ionic liquid electrolytes with Al2O3 nano-particles, M.D.M. Nayanakanthi, H.M.J.C. Pitawala, J.L. Ratnasekera, Sri Lankan Journal of Applied Sciences, Volume 1 (1) (2022), pp. 31-34.
Biopolymers: structure, properties, extraction methods and applications, N.A.B. Attanayake, M.T.M.S. Chandrasiri, A.U. Asela, H.M.J.C. Pitawala, M.A.S.R. Senevirathna, Sri Lankan Journal of Applied Sciences, Volume 1 (1) (2022), pp. 18-30.
Preliminary investigations on murukkan clay deposit in Sri Lanka, H.C.S. Subasinghe, A.S. Rathnayake, T.D.U. Wijewardhana, W.A.D.B. Weerasinghe, H.M.J.C. Pitawala, A.M.A.N.B. Attanayake, Journal of the Geological Society of Sri Lanka, Volume 23 (2022), pp. 1-8.
Thermal mechanical property enhancement with silicon carbide ceramic filled composites for industrial applications, K. Hapuhinna, R.D. Gunaratne, J. Pitawala, Ceramics, Volume 5 (2022), pp. 721-730.
Effects of two plant waxes as a coating material on internal attributes of chicken eggs stored under room temperature, H.M.N.C. Ratnayake, H.M.J.C. Pitawala, E.D.N.S. Abeyrathne, Animal Industry and Technology, Volume 8 (2) (2021), pp. 65-76.
Development of a novel dental filling using hydroxyapatite derived from waste oyster shells, M.T.S. Uresha, H.M.J.C. Pitawala, G.G.N. Thushari, Journal of Technology and Value Addition, Volume 3 (1) (2021), pp. 1-18.
Development of Bone Ash from Eppawala Apatite-Sri Lanka as a Raw Material for Bone China Production, I.A. Balasooriya, H.M.J.C. Pitawala, Journal of the Geological Society of Sri Lanka, Volume 22 (1) (2021), pp. 51-59.
Synthesis, electrochemical and optical studies of poly(ethylene oxide) based gel-polymer electrolytes for sodium-ion secondary batteries, M. Menisha, S.L.N. Senavirathna, K. Vignarooban, N. Iqbal, H.M.J.C. Pitawala, A.M. Kannan, Solid State Ionics, Volume 371 (2021), pp. 115755.
Plastics in surface water of southern coastal belt of Sri Lanka (Northern Indian Ocean): Distribution and characterization by FTIR, A.M.A.I.K. Athapaththu, G.G.N. Thushari, P.C.B. Dias, A.P. Abeygunawardena, K.P.U.T. Egodauyana, N.P.P. Liyanage, H.M.J.C. Pitawala, J.D.M. Senevirathna, Marine Pollution Bulletin, Volume 161 Part A (2020), pp. 111750.
Fabrication and evaluation of an electrochemical double-layer capacitor with natural graphite electrodes and magnesium trifluoromethanesulfonate–based gel polymer electrolyte, K.A.J.K. Karunarathne, K.S. Perera, K.P. Vidanapathirana, Jagath C. Pitawala, Journal of Solid State Electrochemistry, Volume 23 (7) (2019), pp. 2165-2171.
Plasmonic effects of quantum size metal nanoparticles on dye-sensitized solar cell, A.K. Arof, S. Shah, I.M. Noor, J. Pitawala, I. Albinson, T.M.W.J. Bandara, and B-E Mellander, Optical Materials Express, Volume 7 (6) (2017), pp. 2069-2083.
Polyethylene oxide and ionic liquid-based solid polymer electrolyte for rechargeable magnesium batteries, H.N.M. Sarangika, M.A.K.L. Dissanayake, G.K.R. Senadeera, R.R.D.V. Rathnayake, and H.M.J.C. Pitawala, Ionics, Volume 23 (10) (2016), pp. 2829-2835.
Effect of Water on the Local Structure and Phase Behavior of Imidazolium-Based Protic Ionic Liquids, Negin Yaghini, Jagath Pitawala, Aleksandar Matic, and Anna Martinelli, The Journal of Physical Chemistry B, Volume 119 (4) (2015), pp. 1611-1622.
Coordination and interactions in a Li-salt doped ionic liquids, Jagath Pitawala, Anna Martinelli, Patrik Johansson, Per Jacobsson, and Aleksandar Matic, Journal of Non-Crystalline Solids, Volume 407 (2015), pp. 318-323.
Structure and properties of Li-ion conducting polymer gel electrolytes based on ionic liquids of the pyrrolidinium cation and bis(trifluoromethanesulfonyl)imide anion, Jagath Pitawala, Maria Assunta Navarra, Bruno Scrosati, Per Jacobsson, and Aleksandar Matic, The Journal of Power Sources, Volume 245 (2014), pp. 830-835.
Physical properties, ion-ion interactions, and conformational states of ionic liquids with alkyl-phosphonate anions, Jagath Pitawala, Johan Scheers, Per Jacobsson, and Aleksandar Matic, The Journal of Physical Chemistry B, Volume 117 (27) (2013), pp. 8172-8179.
A new class of ionic liquids: anion amphiprotic ionic liquids, Marcel Treskow, Jagath Pitawala, Sven Arenz, Aleksandar Matic, and Patrik Johansson, The Journal of Physical Chemistry Letters, Volume 3 (16) (2012), pp. 2114-2119.
Phase behaviour, transport properties, and interactions in Li-salt doped ionic liquids, Jagath Pitawala, Jea-Kwang Kim, Per Jacobsson, Victor Koch, Fausto Croce, and Aleksandar Matic, Faraday Discussions, Volume 154 (2012), pp. 71-80.
Ionic liquids and oligomer electrolytes based on the B(CN)4- anion; ion association, physical and electrochemical properties, Johan Scheers, Jagath Pitawala, Frederic Thebault, Jae-Kwang Kim, Jou-Hyeon Ahn, Aleksandar Matic, Patrik Johansson, and Per Jacobsson, Physical Chemistry Chemical Physics, Volume 13 (2011), pp. 14953-14959.
Properties of N-butyl-N-methyl-pyrrolidinium bis(trifluoromethanesulfonyl) imide based electrolytes as a function of lithium bis(trifluoromethanesulfonyl)imide doping, Jae-Kwang Kim, Du-Hyun Lim, Johan Scheers, Jagath Pitawala, Susanne Wilken, Patrik Johansson, Jou-Hyeon Ahn, Aleksandar Matic, and Per Jacobsson, Journal of the Korean Electrochemical Society, Volume 14 (2) (2011), pp. 92-97.
Thermal properties and ionic conductivity of imidazolium bis(trifluoromethanesulfonyl)imide dicationic ionic liquids, Jagath Pitawala, Aleksandar Matic, Anna Martinelli, Per Jacobsson, Victor Koch, and Faustro Croce, The Journal of Physical Chemistry B, Volume 113 (31) (2009), pp. 10607-10610.
Thermal and dielectric properties of PEO/EC/Pr4N+I- polymer electrolytes for possible applications in photo-electro chemical solar cells, T.M.W.J. Bandara, B.-E. Mellander, I. Albinson, M.A.K.L. Dissanayake, and H.M.J.C. Pitawala, Journal of Solid State Electrochemistry, Volume 13 (8) (2009), pp. 1227-1232.
Effect of plasticizers (EC or PC) on the ionic conductivity and thermal properties of the (PEO)9LiTf :Al2O3 nanocomposite polymer electrolyte system, H.M.J.C. Pitawala, M.A.K.L. Dissanayake, V.A. Seneviratne, B.-E. Mellander, and I. Albinson, Journal of Solid State Electrochemistry, Volume 12 (7) (2008), pp. 783-789.
Combined effect of Al2O3 nano-fillers and EC plasticizer on ionic conductivity enhancement in the solid polymer electrolyte (PEO)9LiTf, H.M.J.C. Pitawala, M.A.K.L. Dissanayake, and V.A. Seneviratne, Solid State Ionics, Volume 178 (13-14) (2007), pp. 885-888.
Conference /Symposium papers (full paper published)
Conductivity and thermal studies on plasticized nano-composite solid polymer electrolyte, PEO: EC: LiTf: Al2O3.
H. M. J. C. Pitawala, M. A. K. L. Dissanayake, and V. A. Seneviratne.
Proceedings of the 10th Asian Conference on Solid State Ionics, World Scientific., Singapore, 585-592
(2006).
Effect of nano-porous alumina filler on thermal and electrical transport properties of solid polymer electrolyte (PEO)12LiBF4.
H.M.J.C. Pitawala, M.A.K.L. Dissanayake, V.A. Seneviratne, B.-E. Mellander, and I. Albinson.
Proceedings of the 12th Asian Conference on Solid State Ionics, World Scientific., Singapore, 635-643.
(2008).
Citation overview (from Scopus)
From the papers published in peer review journals, there is a citation overview for a set of 12 documents.
Total citations (until to date) = 1366 h index = 16 h i-index = 20
Scientist among top 2% scientists in Sri Lanka and 1st in UWU in the field of engineering & technology/metallurgical & materials engineering according to the ranking of AD Scientific Index 2023.
Published thesis
Physical Properties and Interactions of Ionic Liquids and Ionic Liquid Li-salt Mixtures.
Jagath Pitawala, Department of Applied Physics, Chalmers University of Technology,
SE-412 96, Gothenburg, Sweden. Thesis for the degree of Doctor of Philosophy (Ph.D).
ISBN 978-91-7385-768-0, (2012).
Unpublished thesis
Structure-Property Relationship of Ionic Liquids and Their Lithium Salt Mixtures. Jagath Pitawala, Department of Applied Physics, Chalmers University of Technology, SE-412 96, Gothenburg, Sweden. Thesis for the Degree of Licentiate of Philosophy (Lic.Phil), (2010).
Synthesis and Characterization of some PEO-based, nano composite polymer electrolytes. H.M.J.C. Pitawala, Department of Physics and Postgraduate Institute of Science, University of Peradeniya, Sri Lanka. Thesis for the Degree of Master of Philosophy (M.Phil), (2008).
Thermal and Transport Properties of Mg-ion Conducting Solid Polymer Electrolytes. H.M.J.C. Pitawala, Department of Physics, University of Peradeniya, Sri Lanka. Thesis for the Degree of Bachelor of Science (B.Sc), (2002).
Abstracts for International Conferences (selected)
Structure and properties of Li-ion conducting polymer gel electrolytes based on ionic liquids of the pyrrolidinium cation and bis(trifluoromethanesulfonyl)imide anion.
Jagath Pitawala, Maria Assunta Navarra, Bruno Scrosati, Per Jacobsson, and Aleksandar Matic.XIII International Symposium on Polymer Electrolytes, ISPE-13, Selfoss, Iceland, 26-31 August 2012.
Influence of Li-salt doping on the properties of ionic liquid based gel electrolytes.Aleksandar Matic, Jagath Pitawala, Luis Aguilera, Jonas Nordström, and Per Jacobsson. Ionic Liquids for Electrochemical Devices-ILED 3, Rome, Italy, May 30-June 1, 2012.
Characterization of gel polymer electrolytes for safer Li-batteries.
Luis Aguilera, Jagath Pitawala, Maria Assunta Navarra, Lucia Lombardo, Stefania Panero, Ida Meschini, Fausto Croce, Per Jacobsson, and Aleksandar Matic. 16th International Meeting on Lithium Batteries, Jeju, Korea, 17-22 June 2012.
Physicochemical properties and interactions of alkyl-phosphonate ionic liquids.Jagath Pitawala, Aleksandar Matic, and Per Jacobsson. Faraday Discussion 154:Ionic Liquids, Belfast, UK, 22-24 August 2011.
B(CN)4– as a component of ionic liquids, alkali salts, and lithium battery electrolytes. Johan Scheers, Jagath Pitawala, Frederic Thebault, Jae-Kwang Kim, Patrik Johansson Aleksandar Matic, and Per Jacobsson. 18th International Conference Solid State Ionics, Warsaw, Poland, 3-8 July 2011.
New ampholytic ionic liquids as proton conductors in fuel cells.
Marcel Treskow, Jagath Pitawala, Aleksander Matic, and Patrik Johansson. 4th Congress on Ionic Liquids, Washington DC, USA, June 15-18 2011.
Influence of Li-ion transporting species on ionic conductivity in LiTFSI doped N-butyl-N-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide ionic liquid.Jagath Pitawala, Aleksandar Matic, Patrik Johansson, and Per Jacobsson. 4th Congress on Ionic Liquids, Washington DC, USA, June 15-18 2011.
Transport properties of LiTFSI doped dicationic ionic liquids. H.M.J.C. Pitawala, P. Jacobsson, V.R. Koch, F. Croce, and A. Matic. Ionic Liquids for Electrochemical Devices-ILED 2, Rome, Italy, June 9-11, 2010.
Phase behaviour, transport properties and coordination in Li-salt doped ionic liquids. A. Matic, H.M.J.C. Pitawala, J.K.Kim, P. Jacobsson, and P. Johansson. Ionic Liquids for Electrochemical Devices-ILED 2, Rome, Italy, June 9-11, 2010.
Conductivity, ionic clusters, and interface reactions in ionic liquids for electrochemical applications. A. Martinelli, Y. Getman, Jagath Pitawala, N. Sergent, Cristina Iojoiu, N. Rosman, Thierry Pagnier, Jean-Yves Sanchez, and Aleksandar Matic. 6th International Discussion Meeting on Relaxations in Complex Systems-IDMRCS 6, Rome, Italy, 30 August-5th September 2009.
Thermal properties, ionic conductivity and conformation of imidazolium
bis(trifluoromethylsulfonyl)imide dicationic ionic liquids. Jagath Pitawala, Faustro Croce, Per Jacobsson, Victor Koch , Anna Martinelli, and Aleksandar Matic. 3rd Congress on Ionic Liquids, Cairns, Australia, May 31-June 4, 2009.
Lithium ion solvation in the N-butyl-N-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide (PyR14TFSI) ionic liquid. Jagath Pitawala, Anna Martinelli, Patrik Johanson, Per Jacobsson, and Aleksandar Matic. 3rd Congress on Ionic Liquids, Cairns, Australia, May 31-June 4, 2009.
Raman spectroscopy studies on TFSI– based Ionic Liquids. H. M. J. C. Pitawala, A. Martinelli, P. Jacobsson, and A. Maic. Ionic Liquids for Electrochemical Devices-ILED 1, Rome, Italy, June 9-11, 2008.
Effect of nano-porous alumina filler on thermal and electrical transport properties of solid polymer electrolyte (PEO)12LiBF4. H.M.J.C. Pitawala, M.A.K.L. Dissanayake, V.A. Seneviratne, B.E. Mellander, and I. Albinson. International Conference on Smart Materials and Nanotechnology and 2nd International Workshop on Functional Materials and Nanomaterials (SmartMat-08 & IWOFM-2), Chiang Mai, Thailand, 22-25 April 2008.
Effect of plasticizers (EC / PC) on the ionic conductivity and thermal properties of the (PEO)9LiTf: Al2O3 nanocomposite polymer electrolyte system. H. M. J. C. Pitawala, M. A. K. L. Dissanayake, V. A. Seneviratne, B. -E. Mellander, and I. Albinson. International Conference on Materials for Advanced Technologies (ICMAT), Singapore, July 1-6, 2007.
Role of different types of ceramic nano-fillers on plasticized and plasticizer–free, solid polymer electrolytes. H. M. J. C. Pitawala, K. Vignarooban, M. A. K. L. Dissanayake, and V. A. Seneviratne. ICTP-NCNST-ICTS Asian/Pacific Regional College on “Science at the Nanoscale”, Beijing, P.R.
China, 14-25 August 2006.
Abstracts for National Conferences
More than 60 abstracts published in National Conferences.
Patents
A novel composition for a body mixture from waste Cathode Ray Tube glass for using in clay tile including roof tile, wall tile and floor tile and the method for producing the same. National Patent No. 19806, 2019. Published in the government gazette in Sri Lanka dated 23.08.2019.
Process of synthesizing Hydroxyapatite ceramic powder derived from Eppawala High Grade Rock Phosphate as a raw material using Solid State Sintering Technique. National Patent No. 20353, 2020. Published in the government gazette dated 22.01.2021.
Process of synthesizing Hydroxyapatite ceramic powder derived from Eppawala High Grade Rock Phosphate as a raw material with Sol gel Technique using Acidified route. National Patent No. 20352, 2020. Published in the government gazette dated 22.01.2021.
Process of synthesizing Hydroxyapatite ceramic powder derived from Eppawala High Grade Rock Phosphate as a raw material with Sol gel Technique using Alcoholic route. National Patent No. 20351, 2020. Published in the government gazette dated 22.01.2021.
Solid state sintered Hydroxyapatite. National Patent No. 20350, 2020. Published in the government gazette dated 22.01.2021.
Sol gel Acidified Hydroxyapatite product. National Patent No. 20349, 2020. Published in the government gazette dated 22.01.2021.
Sol gel Alcoholic Hydroxyapatite product. National Patent No. 20348, 2020. Published in the government gazette dated 22.01.2021.
