H. M. B. Induwan Gunathilaka 

Research Scientist

Materials Technology Section

Qualifications

B.Sc. – Special Degree in Applied Physics (Sabaragamuwa University of Sri Lanka - 2014)

Contacts

Tel:    0704380022                                                     Email:    This email address is being protected from spambots. You need JavaScript enabled to view it.

Research Experience

9 years research experience in application of advanced materials, gel- polymer electrolyte, electro chromic devices, Li-ion batteries and electronics

Interest Areas       

Materials Science : Gel-polymer electrolytes, advanced ceramics, electro chromic devices,

Electronics : Microcontroller circuit designing

Physics : Earth gravity, Air pressure

Publications

• H.C.D.P. Colombage, R.C.L. De Silva, D. Samarawickrama, H.M.B.I. Gunathilaka, P. Subramanium, H P P S Somasiri. Comparison of Dropping Points of Conventional Grease and Modified Grease with Graphite, 8th International Conference of Sabaragamuwa University of Sri Lanka, December 2021(pg. 110)
• H. M B. I. Gunathilaka, V. A. Seneviratne, H. N. M Sarangika. Development of PVP Based Electrolytes and Their Applications in Electrochromic Devices, 8th International Conference of Sabaragamuwa University of Sri Lanka, December 2021(pg. 111)
• H. M B. I. Gunathilaka, V. A. Seneviratne, H. N. M Sarangika. Development of Non Polymer Gel Electrolyte and Their Applications on Electrochromic Devices, Peradeniya University International Research Sessions 2021, Vol. 23, November 2021(pg. 504)
• H. M B. I. Gunathilaka, V. A. Seneviratne, H. N. M. Sarangika. Development of liquid electrolyte and their applications in electrochromic devices. 36th Technical Sessions, Institute of Physics, Sri Lanka. September 2020 (pg. 81 - 86).
• A.M.K.L. Abeykoon, G.M.L.P. Aponsu, V.P.S. Perera, H.A. Vimal Nadeera and H.M.B.I. Gunathilaka. Self-cleaning, hydrophobic, antifogging, TiO2 coating for photovoltaics solar panels. 76th Annual Sessions - Sri Lanka Association for the Advancement of Science (SLAAS). December, 2020 (pg. 150)
• H.C.D.P. Colombage, K.G.R.U.I. Jayaweera, R.C.L. De Silva, D. Samarawickrama, I. Gunathilaka, P. Subramanium and H.P.P.S. Somasiri. Comparison and characterization of developed grease and graphite grease, 76th Annual Sessions - Sri Lanka Association for the Advancement of Science (SLAAS). December, 2020(pg. 76).
• A.M.K.L. Abeykoon, G.M.L.P. Aponsu, H.M.B.I. Gunathilaka and H.A.V. Nadeera (2017) Effect of Temperature on the Photovoltaic Characteristics of Polycrystalline Silicon Solar cells at Hambantota Solar Power Plant, 4th International conference on solar energy materials, solar cells and solar energy applications, January 2018(pg. 270),
• S. M. Samaranayake, H. M. B. I. Gunathilaka, T. L. Dammalage, A. A. C. N. Atapattu, and L. M. M. D. Silva. Determination of a Better Place for a Solar Park Using Remote Sensing Data, 7th Annual Research Session Sabaragamuwa University of Sri Lanka, December 2017 (pg. 36)

Mr.R.C.W. ARACHCHIGE

Research Technologist 

Materials Technology Section

Qualifications

BSc          - Physics, Chemistry, Botany ( Open University of Sri Lanka)

MPhil      -  Reading ( University of Peradeniya)

Diploma -    Advanced Ceramic Technology conducted by Centre for Technical Excellence in Ceramic (CENTEC)

Contacts

Tel:    94 011 2379849    Email:      This email address is being protected from spambots. You need JavaScript enabled to view it.

Research Experience

8 years research experience in mineral base research and water purification since 2009.

Interest Areas                               

Mineral, Ceramic and water purification

Abstract:

• Reduction of Chromium Levels in Waste Water and Industrial Sludge usingCost Stabilization   Technology Arachchi, R.C.W. & Fernando, G.W.A.R., 2^nd Sri Lankan roundtable on sustainable consumption and production, The Open University of Sri Lanka, (2012)  
   
• Suppression of water hardness using Red Clay Jayaratna. I.P.L, Arachchige. R.C.W, Munaweera. R.R.K.W, Hetiarachchi. H. A.M. I.T, Bandara. A and Kottagoda I.R.M., Biennial Research symposium, Industrial Technology Institute, (2017)

Patents

1.   Red-clay water filter body composition for removal of arsenic, cadmium and fluoride from water. I.R.M. Kottegoda, I.P.L. Jayarathna, J.T.S.T. Jayawardane, R.C.W. Arachchi, H.A.M.I.T. Hettiarachchi. The Registry of Patents and Trade Marks, Sri Lanka, Patent No. 19158 (2017).
2.    Fabrication of red-clay blocks for removal of fluoride, arsenic and cadmium contamination from water. I.R.M. Kottegoda, I.P.L. Jayarathna, J.T.S.T. Jayawardane, R.C.W. Arachchi, H.A.M.I.T. Hettiarachchi, H.C.D.P. Colombage. The Registry of Patents and Trade Marks, Sri Lanka, Applied Patent No. LK/P/1/18250 (2015).
3.   Regeneration method of red-clay filter for removal of fluoride from water. I.P.L. Jayarathna, J.T.S.T. Jayawardane, R.C.W. Arachchi, H.A.M.I.T. Hettiarachchi, I.R.M. Kottegoda,. The Registry of Patents and Trade Marks, Sri Lanka, Applied Patent No. LK/P/1/18302 (2015).
4.   Development of red-clay based water filter for removal of heavy metal contamination from water. I.R.M. Kottegoda, I.P.L. Jayarathna, J.T.S.T. Jayawardane, R.C.W. Arachchi, H.A.M.I.T. Hettiarachchi. (2014). The Registry of Patents and Trade Marks, Sri Lanka, Applied Patent No. LK/P/1/17884.
5.   Cost effective Eco-friendly novel rain guard sealant based on cashew nut shell liquid, for application rubber trees., S. Weerartne, D.S. Samarawickrama, R.C.W. Arachchi. Patent No. 16943, The Registry of Patents and Trade Marks, Sri Lanka, (2012).
6.    Development of clay filter body with high fluoride binding ability for the remediation of fluoride contaminated water., I.R.M. Kottegoda, W.H.A.G. Pramathilake, G.P.C.A. Dharmasiri, B.U. Hettiarachchi, R.C.W. Arachchi.(2012) Patent No. LK/P/1/16753, The Registry of Patents and Trade Marks, Sri Lanka, (2012).

Awards  

• Presidential Awards 2018 for invention of clay filter composition for removal of fluoride ion from water (Sri Lanka Inventors Commission)
• Awards for invention of Clay Water filter for removal of heavy metal and fluoride at 3^rd Biennial Research Symposium, ITI in 2017
• Finalist for WAITRO (World Association of Industrial and Technological Original Research Organization) innovation award for “Clay filter for removal of fluoride, arsenic and cadmium from water” in 2016

Major Projects Undertaken

• Low Cost Eco friendly domestic system to compost bio - degradable food waste (TG/18/144 -2018)
• Development of Red-clay based water filter/ apparatus for the removal of hardness of drinking water.(TG/16/125 - 2016)
• Filter supplying and monitoring-North western province (CP-101120, CP-1011222015 -2018)
• Development of Red-clay based water filter for the remediation of Fluoride and other contamination in water (TG 14/90 - 2014/2015)
• Development of Red Clay Based Superior Quality Cookware (TG /DF/13-00-01, 2013)
• Development of Novel Sealant for Rain Guards used in Rubber Cultivation (2011)

Lahiru Abeykoon

Research Scientist

Materials Technology Section

Qualifications

Contacts

Tel: 0112379851                                                                           Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Research Experience

Interest Areas       

Materials synthesis:Thin films deposition, Vacuum thermal evaporation, E- beam evaporation, Spin coating, Spray pyrolysis, Electrodeposition, nano material synthesis, graphene synthesis, 2D materials

Characterization:XRD, SEM, FTIR, UV-Visible spectroscopy, Electrochemical analysis,PEC, IV characterization, IPCE

Device fabrication:PEC device for water electrolysis, Thin films solar cells, photocatalyst, battery technology, Hydrogen production, super capacitors, sensors

Publications

SCI & Peer reviewed Journal Publications

• Lahiru K. Abeykoon, Hongyi Tan, Changfeng Yan, Jayasundera Bandara, "Significant role of the initial precursor sulfur concentration in the photoelectrochemical hydrogen production of Cu₂ZnSnS₄ photocathode prepared by thermal evaporation," J. Nanophoton. 16(1) 016001 (5 January 2022)https://doi.org/10.1117/1.JNP.16.016001

• Rushdi D. Senevirathne, Lahiru K. Abeykoon, Nuwan L. De Silva, Chang-Feng Yan, Jayasundera Bandara, “Sono-photocatalytic production of hydrogen by interface modified metal oxide insulators”, Ultrasonics - Sonochemistry 45 (2018) 279–285.
  https://doi.org/10.1016/j.ultsonch.2018.03.016
  

• Hong-yi Tan, Liang Zhan, Chang-feng Yan, Lahiru. K. Abeykoon, Nuwan L. De Silva and J. Bandara, Enhancement of the conversion of mechanical energy into chemical energy by using piezoelectric KNbO_3-x with oxygen vacancies as a novel piezocatalyst, Nano Express. (2020).http://iopscience.iop.org/article/10.1088/2632-959X/abd290.

• A.M.K.L. Abeykoon, R.C.L. De Silva, L.D.C. Nayanajith, and I.R.M. Kottegoda, Appropriate graphene synthesis methods for divers applications, Sri Lanka Journal of Physics (IPSL), accepted 2022
  

Conference Proceedings

• A.M.K.L. Abeykoon, G.M.L.P. Aponsu, H.M.B.I. Gunathilaka, H.A. Vimal Nadeera, “Effect of Temperature on the Photovoltaic Characteristics of Polycrystalline Silicon Solar cells at Hambantota Solar Power Plant”, proceedings of Solar Asia 2018 Int. Conf., Institute of Fundamental Studies, Kandy, Sri Lanka (2018) 270-275.
• A.M.K.L. Abeykoon, J. Bandara,"Determination of fundamental properties of czts semiconductor material deposited by the spray pyrolysis method",Proceedings of the Postgraduate Institute of Science Research Congress, University of Peradeniya, Sri Lanka (2018) 76
• A.M.K.L. Abeykoon, J. Bandara, “A Comparative Study of CZTS Thin Films Deposited by Different Non Vacuum Techniques”, proceedings of Advanced Materials for Clean Energy and Health Applications international conference, University of Jaffna, Sri Lanka (2019) 34.
• A.M.K.L. Abeykoon, G.M.L.P. Aponsu, V.P.S. Perera, H.A. Vimal Nadeera and H.M.B.I. Gunathilaka, “Self-cleaning, hydrophobic, antifogging, TiO₂ coating for photovoltaics solar panels”, Proceedings of the 76^th Annual Sessions- Sri Lanka Association for the Advancement of Science (SLAAS), Sri Lanka (2020) 150.

Awards   memberships,Scholarships &Recognition

• President’s award for highly rated scientific research publication in 2018
• A Life time member of Sri Lanka Association for Advancement of science (SLAAS)
• Best oral presenter final year annual research project presentation faculty of Applied Sciences, Sabaragamuwa University of Sri Lanka. (2015)

Major Projects Undertaken

• Production process equipment and wastewater treatment plant for Graphene production process - Funded by Treasury Grants (TG)
• Purification of graphite of Sri Lanka as a high value addition (NSF)
• Designing and fabrication of a water ionizer (TG
• Demand driven automotive rechargeable cost efficient battery manufacturing Technology for SME startups (TG)

Major Technology Transfers and Commercialization