Publications
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- De Costa, M.D.R. De Silva, R.C.L. Nayanajith, L.D.C., Colombage, H.C.D.P. Milani, M.D.Y. Rosa, S.R.D. Kottegoda, I.R.M., 2021. Electrochemical performance and material characterization of reduced grapheneoxide (rGO) / titanium dioxide (TiO2) composite as electrodes for supercapacitors. Sri Lankan Journal of Physics, 22(2), pp.1–12. DOI: http://doi.org/10.4038/sljp.v22i2.8052
- Perera M. S. D, Silva R. C. L. D, Nayanajith L. D. C, Colombage H. C. D. P, Suresh T. S, Abeysekera W. P. K. M, Kottegoda I. R. M. Anti-Inflammatory and Antioxidant Properties of Coffea Arabica/Reduced Graphene Oxide Nanocomposite Prepared by Green Synthesis. Mat. Sci. Res. India;18(3). Available from: https://bit.ly/3CmkmJO
- Colombage H C D P *, De Silva R C L , Samarawickrama D , Gunathilaka I , Subramanium P , Somasiri H P P S . Comparison of Dropping Points of Conventional Grease against Modified Grease with Graphite, Proceedings of Eighth International Conference of Sabaragamuwa University of Sri Lanka, 01 - 03 December 2021,pg 71.
- Colombage H C D P *, Jayaweera K G R U I , De Silva R C L , Samarawickrama D , GunathilakaI , Subramanium P , Somasiri H P P S . Comparison and Characterization of Developed Grease and Graphite Grease, Proceedings of the 75th Annual Scientific Sessions of the SLAAS 2020,pg 76.
- Wickramagedara A K 1*, De Silva R C L 2, Colombage H C D P 2, Kottegoda I R M2,Characterization of a Developed Material Using Granite/ Clay/ Graphite for Roof Tiles, Proceedings of the 75th Annual Scientific Sessions of the SLAAS 2020,pg 74
- Aththanayaka, A.M.S.H., De Silva, R.C.L., Samarawickrama, D.S., Colombage, H.C.D.P., Sooriyaarachchi, A., Kotttegoda, I.R.M. (2018). Characterization of calcium oxide/ 4A zeolite composite prepare through thermal method for vehicle exhaust absorption. 74th Annual Scientific Sessions of SLAAS, Page No. 70
- Aththanayaka, A.M.S.H., De Silva, R.C.L., Samarawickrama, D.S., Colombage, H.C.D.P., Sooriyaarachchi, A., Kotttegoda, I.R.M. (2018). Characterization of calcium oxide/ 4A zeolite composite prepare through thermal method for vehicle exhaust absorption. Proceeding of the Open University International Research Sessions (iOURS).
- Aththanayaka, A.M.S.H., De Silva, R.C.L., Samarawickrama, D.S., Colombage, H.C.D.P., Sooriyaarachchi, A., Kotttegoda, I.R.M. (2018). Synthesis and characterization of calcium oxide/4A Zeolite composite for efficient vehicle exhaust adsorption. Proceedings of the 7th Annual science research sessions of Faculty of Applied Sciences, South Eastern University of Sri Lanka (ASRS 2018)
- De Costa M.D.R, De Silva R.C.L, Nayanajith L.D.C, Colombage H.C.D.P, Kottegoda I.R.M, Rosa S.R.D, Electrical performance and material characterization of reduced graphene oxide (rGO) / titanium dioxide (TiO2) composite for supercapacitors, submitted to Sri Lankan Journal of Physics(2018).
- De Costa M.D.R, De Silva R.C.L, Nayanajith L.D.C, Colombage H.C.D.P, Kottegoda I.R.M, Rosa S.R.D, Fabrication and characterization of rGO / PANI / TiO2 composite as an electrodematerial for supercapacitors, submitted to Journal of the SLAAS (2018).
- De Costa M.D.R, De Silva R.C.L, Nayanajith L.D.C, Colombage H.C.D.P, Kottegoda I.R.M, Rosa S.R.D, Synthesis and Characterization of RGO/TiO2/PANI Different Nano Composites,submitted to 74thtechnical session of the SLAAS (2018).
- H C D P Colombage, J T S T Jayawardane, Saman Weerarathne, I R M Kottegoda. Purification of Natural Graphite of Sri Lanka utilizing acid treatments, Industrial Technology Institute symposium 2013
- I.R.M.Kottegoda, H.C.D.P.Colombage, K.S.P.Karunadasa, D.S.Samarawickrama, C.H. Manorathne. An Efficient Reactor for Purification of Domestic Water Using Solar Energy. International Journal of Energy Engineering (IJEE), Jun. 2013, Vol. 3 Iss. 3, PP. 93-98
- H.C.D.P. Colombage, H.M.R. Premasiri, D.Palamakumbure, T.K.A. Kodippili, K.T. Wickramasekara, AMKB Abeysinghe, S.P. Chaminda. Application of Remote Sensing and GIS techniques for exploring Construction Material from inaccessible terrains; case study in Eastern Province of Sri Lanka. Proceedings of International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development(ACEPS – 2012), p.40- 4
- Colombage H.C.D.P, Palamakumbure D, Kodippili T.K.A, Wickramasekara K.T, Premasiri H.M.R, Abeysinghe A.M.K.B, Chaminda S.P and Dissanayaka D.M.D.O.K. 2010. Demarcation of Potential Sites for Construction Material Using RS and GIS Techniques in Eastern Province, Sri Lanka. Proceedings of 5th annual conference on Earth Resource for National Development (ERE 2010),University of Moratuwa, 24 September 2010, Published by the Department of Earth Resources Engineering, Faculty of Engineering, University of Moratuwa 2010, p 1 – 4.
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Patents
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- I.R.M. Kottegoda, D.S.M. Perera, H.C.D.P. Colombage, R.C.L. De Silva and L.D.C. Nayanajith, Coffea-arabica /graphene nanocomposite with effective antioxidant and anti-inflammatory properties for biomedical application and preparation method thereof, Sri Lanka Patent application No. 22011 (2021)
- Purification of natural graphite for preparation of high quality graphite oxide as a value addition. I.R.M. Kottegoda,J.T.S.T. Jayawardane, H.C.D.P.Colombage, M.T.V.P. Jayaweera. The Registry of Patents and Trade Marks, Sri Lanka, Applied No. LK/P/1/18248.
- 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 (Industrial Technology Institute) 2015. The Registry of Patents and Trade Marks, Sri Lanka, Applied No.LK/P/1/18250.
- Low cost continuous flow solar reactor for purification of bacterial/organic contaminated water. I.RM. Kottegoda, D.S. Samarawickrama, H.C.D.P. Colombage. The Registry of Patents The Registry of Patents and Trade Marks, Sri Lanka, Applied Patent No. 1673.
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