Faculty <br /> of Applied Sciences
Faculty
of Applied Sciences

Mr. Sasanka Hewathilake

Mr. H. P. T. S. Hewathilake

Senior Lecturer Gr II

M.Phil. in the field of development of mineral for technological applications(PGIS, Peradeniya)
B.Sc. (Hons) in Mineral Resources and Technology(UWU)

Email :sasanka@uwu.ac.lk
Phone : +94 552226676

Research Interest

  • Li-ion battery electrode
  • Mineral Value addition and Nano Technology
  • Geophysics and Geology

Publications

Peer-Reviewed Journal Articles

K. Kuruppu., H.P.T.S. Hewathilake., I. Illangasinghe., R. Ranasinghe., N. Jayasinghe and T. Dharmaratne. (2020). Radioactivity Survey on Godakawela Gem Field in Sri Lanka; To Identify the Origin of the Unknown Radioactive Mineral. Journal of Geological Society of Sri Lanka. 21-1, 57-65

H.P.T. Sasanka Hewathilake, N.W.B. Balasooriya, Yoshihiro Nakamura, H.M.T.G.A.Pitawala, H.W.M. Athula Chandana Wijayasinghe, M. Sathish-Kumar. (2018). Geochemical, Structural and Morphological Characterization of Vein Graphite Deposits of Sri Lanka:Witness to Carbon Rich Fluid Activity. Journal of Mineralogical and Petrological Sciences.113: 96-105

T.C. Senevirathna, H.P.T.S. Hewathilake, N.W.B. Balasooriya, H.W.M.A.C. Wijayasinghe, H.M.T.G.A. Pitawala (2018). Structural Modification of Sri Lankan Vein Graphite Using Microwave Irradiation Technique. Journal of Geological Society of Sri Lanka. 19: 11-19

H.P.T.S. Hewathilake, N. Karunarathne, A. Wijayasinghe, N.W.B. Balasooriya, and A.K.Arof, A. K. (2017). Performance of developed natural vein graphite as the anode material of rechargeable lithium ion batteries. Ionics. 23:1417-1422

H.P.T.S. Hewathilake, N.W.B. Balasooriya, H.M.T.G.A. Pitawala and H.W.M.A.C. Wijayasinghe, (2015). Effective Use of Crystal Morphologies to Interpret the Origin of Vein Graphite in Sri Lanka. Journal of Geological Society of Sri Lanka. 17: 65-73

International Conference Abstracts

T.S. Pallege and H.P.T.S. Hewathilake, “Development of a Novel Composite for Bricks by Laterite, Fly Ash, Sand and Waste Plastic” Proceedings of the International Research Conference, Uva Wellassa University, (IRCUWU 2020), 2020, pp-417

E. Sabeshan, H.P.T.S. Hewathilake and R.G.C. Jaliya, “Identify the Potential of Applying Rice Husk Ash and Fly Ash for Cement-Based Grout” Proceedings of the International Research Conference, Uva Wellassa University, (IRCUWU 2020), 2020, pp-423

T.G.T.A. Bandara, H.M.H.D.K. Naranpanawa, H.P.T.S. Hewathilake, H.W.M.A.C. Wijayasinghe and N.W.B. Balasooriya, “Comparison of the Developed Coarse Flake of Radial Graphite with the Developed Needle Platy Graphite as the Anode Material of Lithium-ion Rechargeable Battery” Proceedings of the International Research Conference, Uva Wellassa University, (IRCUWU 2020), 2020, pp-424

K.A.D.D.N. Kuruppu, H.P.T.S. Hewathilake, I.K.M.S.C.K. Illangasinghe, R.A.N.C. Ranasinghe, N. Jayasinghe and T. S. Dharmaratne, “Investigation of the Origin of Radioactive Mineral in Godakawela Gem Field, Rathnapura in Sri Lanka” Proceedings of the International Research Conference, Uva Wellassa University, (IRCUWU 2020), 2020, pp-433

P.G.S.C. Amarasiri, Y.A.S. U. Chiranjaya, D.M.S. Dissanayake and H.P.T.S. Hewathilake, “Development Optimization of Prototype Froth Floatation facility as an advanced physical beneficiation technique to upgrade low grade Sri Lankan vein graphite in Kahatagaha Graphite Lanka Limited” Proceedings of the International Research Conference, Uva Wellassa University, (IRCUWU 2020), 2020, pp-4

M.S.M. Rashad and H.P.T.S. Hewathilake, “Synthesis of Aragonite Phase Calcium Carbonate Nanoparticles from Sri Lankan Beach Cockle Shells”, Proceedings of the International Research Conference, Uva Wellassa University, (IRCUWU 2020), 2020, pp-439

W. M. L. I. Dilshan, H. P. T. Sasanka Hewathilake, “Development of Novel Composite Material for Roofing Tiles by Mineral Based Industrial Waste and Waste Plastic” Proceedings of the International Research Conference, Uva Wellassa University, (IRCUWU 2020), 2020, pp-441

H.C.S. Subasinghe, T.G.T.A. Bandara, W.A.P.P Christopher, H.P.T.S. Hewathilake and H.M.J.C. Pitawala, “Characterization of “Dummala” Origin in Sri Lanka by XRF, XRD and FTIR”, Proceedings of the International Research Conference, Uva Wellassa University, (IRCUWU 2019), 2019, pp-477

Communications in National Conferences

A.M.J.N. Athisinghe, H.A.K.L. Manjula, H.P.T.S. Hewathilake, A.M.J.N. Adikaram and T.B.N.S. Madugalla, “Geochemical pattern and Mineralogical prospectivity mapping of an iron ore deposit in Buttala, Sri Lanka”, Proceedings of the 35th Technical Session of Geological Society of Sri Lanka (GSSL 2019) 2018, pp-37

G.T.D. Chandrakumara, H.P.T.S. Hewathilake, K.R. Kudahetty and A.N.B. Attanayake, “Purification and Whiteness Enhancement of Kaolin from a Tropical In-Situ Deposit”, Proceedings of the 34th Technical Session of Geological Society of Sri Lanka (GSSL 2018) 2018, pp-2

T.C. Senevirathna, H.P.T.S. Hewathilake, P.L. Dharmapriya, N.W.B. Balasooriya, H.M.T.G.A. Pitawala and H.W.M.A.C. Wijayasinghe, “Source of Impurities Associated with Sri Lankan Vein Graphite: Implication from Gangue Minerals”, Proceedings of the 34th Technical Session of Geological Society of Sri Lanka (GSSL 2018) 2018, pp-8

H.P.T.S. Hewathilake, N.W.B. Balasooriya, H.W.M.A.C. Wijayasinghe, H.M.T.G.A. Pitawala, “Value addition to Sri Lankan vein graphite as an anode material in rechargeable li-ion batteries”, Research symposium on mineral resources of Sri Lanka: Prospects and challenges, 17th October 2017, p-37 (ISBN 978-955-9323-86-0)

H.P.T.S. Hewathilake, R.I.C.N. Karunarathne, N.W.B. Balasooriya, H.W.M.A.C. Wijayasinghe, H.M.T.G.A. Pitawala, “Sri Lankan Vein Graphite as an Effective Substitution for the Synthetic Carbon Anode in Li-Ion Rechargeable Batteries”, Proceedings of the 32nd Technical Session of Geological Society of Sri Lanka, 26th Feb. 2015

Memberships and Awards

Tier 3 researcher (2020), awarded by Research Committee Uva Wellassa University based on the Circular No 05/2018 by the University Grant Commission, Sri Lanka

UWU research awards for scientific publication, 21st October 2020, Uva Wellassa University,  Badulla, Sri Lanka

Best Presenter 3rd Place, Research symposium on mineral resources of Sri Lanka: Prospects and challenges, 17th October 2017, BMICH

Semi Finalists (top 40), Three Minute Thesis (3MT®) Competition, Sri Lankan Academy of Young Scientists (SLAYS) and National Science Foundation of Sri Lanka (NSF), 20th February 2017, NSF

Teaching

  • MRT 151-3 Earth Materials and Processes – Laboratory
  • MRT 311-2 Physics and Chemistry of Minerals
  • MRT 315-3 Technical Mineralogy – I
  • MRT 362-3 Analytical Techniques and Instrumentation
  • MRT 323-1 Mineral Value Addition Laboratory – I
  • MRT 412-2 Mineral Nanoscience and Technology
  • MRT 414-1 Mineral Value Addition Laboratory – II