- Faculty of Engineering
- Department of Materials Science and Engineering
- Senior Lecturer Grade II
Contact information
Department of Materials Science and Engineering
Faculty of Engineering
University of Moratuwa
Moratuwa
10400
Teaching and Administrative Activities
Properties of Materials -Undergraduate -2015
Principles of Materials Science & Eng I -Undergraduate -2014
Principles of Materials Science & Eng II -Undergraduate -2013
Electrical & Magnetic Properties of Materials -Undergraduate -2013
Characterization of Materials -Undergraduate -2013
Research Project -Undergraduate -2012
Nanomaterials -Undergraduate -2012
Research Activities
• Design and fabrication of nano-systems and nanostructured materials that have industrial applications.
• Refractive index pattering & photonics
• Development of sensors and quality control equipment’s for industrial use.
• Materials Characterization by
EXAFS
XANES
X-ray microprobe
SEM
EDX
X-ray Diffraction
Mossbauer Spectroscopy
EPR Spectroscopy
SQUID
VSM
Raman & FTIR Spectroscopy
Thermal Analysis and Optical (Photoluminescence & UV-Vis) Spectroscopy
Light Scattering
• Structural changes and kinetics of solid-state materials.
• Magnetic materials and their applications.
M.Phil.- Mr.T.S.E.F Karunarathne- Near Atmospheric Pressure Plasma Enhanced Chemical Vapor Deposition for Surface Modification of Selected Materials. University of Kelaniya (Department of Physics-2014)
PhD- Dr. M.A.S.R Senevirathna - Physical & Photo Properties of 4,4’- Methylenebis (phenylisocyanate) and Polyteterahydrofuran based polyurethanes. -University of Sri Jayawardenepura (Department of Chemistry-2016
MSc. (by Research) - Ms. S.M.N.S Egodage - Investigation of Plasticizer Evaporation of Local Electrical Cable Insolations. - University of Moratuwa (Department of Materials Science & Engineering)
M.Phil.- Mr. Roshan. Dodampola - Theoretical study of kinetics of solid state thermal reactions. - University of Moratuwa, Department of Materials Science & Engineering.
Material Characterization, Thermodynamics and Kinetics of Materials, Nanomaterials, Magnetic Materials, Sensors and actuators
• Design and fabrication of nano-systems and nano-structured materials that has industrial applications.
• Refractive index pattering & photonics
• Development of sensors and quality control equipment for industrial use.
• Materials Characterization by EXAFS, XANES, X-ray microprobe, SEM, EDX, X-ray Diffraction, Mossbauer Spectroscopy, EPR Spectroscopy, SQUID, VSM, Raman & FTIR Spectroscopy, Thermal Analysis, and Optical (Photoluminescence & UV-Vis) Spectroscopy, Light Scattering,
• Structural changes and kinetics of solid state materials.
Education and Professional Affiliations
PhD, CUNY (USA) ,2009 Physical Chemistry (Materials)
MPhil, CUNY (USA) ,2007 Physical Chemistry
Career
Factory Manager
Hands International Group of Companies
Graduate Teaching Fellow
Department of Chemistry
Adjunct Lecturer in Physics
POSTDOCTORAL RESEARCH EXPERIENCE
Senior Scientist
Postdoctoral Fellow
Postdoctoral Fellow
Honours and Awards
Best paper award- Engineering Research Conference, 2018 Moratuwa. IEEE. (Materials Science & Engineering Track)-Investigation of 3D Refractive Index Contrast Variations in PVG Based Photo Printed Passive Optical Integrated Circuit Components. (Received 2018)
Support Scheme for Supervision of Research Degrees (NSF) Awards -2017 (Received 2018)
Best paper award- Postgraduate Institute of Agriculture 30th Annual Congress- Extraction and Characterization of Bio Based Polymeric Materials from Traditional Rice Verities in Sri Lanka. (Received 2018)
Best paper award- Proceedings of International Forestry and Environment Symposium 23. Colombo- Extraction and Characterization of Cellulose Materials from Sri Lankan Agricultural Waste. (Received 2019)
Best paper award- Engineering Research Conference, 2019 Moratuwa. IEEE. (Materials Science & Engineering Track)- (Received 2019)
Best paper award- Engineering Research Conference, 2017 Moratuwa. IEEE. (Materials Science & Engineering Track)- Synthesis and characterization of cellulose from locally available rice straw. (Received 2017)
Publications*
H.S. Herath, G.I. Janith, V.S.C Weragoda, D.A.S. Amarasinghe, D. Attygalle,".Direct Current Resistivity Based In-situ Cure Monitoring Technique for Amine Cured Epoxy Resins.",2022 Moratuwa Engineering Research Conference (MERCon), 2020,,University of Moratuwa,2022,1-5
RAADO Weerasekera, DMLY Samarakoon, DLHPP Dayalal, DAS Amarasinghe, AMPB Samarasekara, Dinesh Attygalle,".Mie-theory-based investigation of the effect of size distribution on the surface plasmon absorption of silver nanoparticles.",2022 Moratuwa Engineering Research Conference (MERCon), 2020,,University of Moratuwa,2022,1-6
GI Janith, HS Herath, DAS Amarasinghe, Dinesh Attygalle, VSC Weragoda, AMPB Samarasekara,".A Novel Method on Fitting A Short Prony Series Using Creep or Stress Relaxation Data.",2022 Moratuwa Engineering Research Conference (MERCon), 2020,,University of Moratuwa,2022,1-6
J Amutheesan, S Sukirtha, AMPB Samarasekara, DAS Amarasinghe, L Karunanayake,".Modeling the Mechanical Behavior of Microcrystalline Cellulose-Based Polymer Composite Materials.",2022 Moratuwa Engineering Research Conference (MERCon), 2020,,University of Moratuwa,2022,1-6
Thisara Sandanuwan, Nayanathara Hendeniya, Dinesh Attygalle, DAS Amarasinghe, Sampath C Weragoda, AMPB Samarasekara,".Atmospheric cold plasma to improve printability of polyethylene terephthalate.",2021 Moratuwa Engineering Research Conference (MERCon), 2020,,University of Moratuwa,2021,654-658
GI Janith, DAS Amarasinghe, D Attygalle, VSC Weragoda, AMPB Samarasekara,".Linear and Non Linear Creep Modeling of Talc Filled PEEK Composite.",2021 Moratuwa Engineering Research Conference (MERCon), 2020,,University of Moratuwa,2021,60-64
Nayanathara Hendeniya, Thisara Sandanuwan, DAS Amarasinghe, Dinesh Attygalle, Sampath C Weragoda, Bandula Ranaweera, Kamani Rathnayake, Malki Lalanka,".Atmospheric Pressure Plasma Treatment as a Cost-Effective and Eco-Friendly Pre-Treatment Method to Enhance Seed Perfomance in Germination and Early Seedling Growth.",2021 Moratuwa Engineering Research Conference (MERCon), 2020,,University of Moratuwa,2021,643-648
VS Rajapakshe, WMDS Warnakulasooriya, DAS Amarasinghe, D Attygalle,".Modeling of Laser Assisted Thermal Reduction of Graphene Oxide.",2021 Moratuwa Engineering Research Conference (MERCon), 2020,,University of Moratuwa,2021,561-566
A Ratnakumar, AMPB Samarasekara, DAS Amarasinghe, L Karunanayake,".Individualization of Nanofibrillated Cellulose from Sri Lankan Rice Straw: Structural Characteristics and Thermal Properties.",2021 Moratuwa Engineering Research Conference (MERCon), 2020,,University of Moratuwa,2021,37-42
JMR Jayasinghe, A Ratnakumar, AMPB Samarasekara, DAS Amarasinghe,".Process Optimization of Microfibrillated Cellulose Extraction from Cotton Waste Using Response Surface Methodology.",2021 Moratuwa Engineering Research Conference (MERCon), 2020,,University of Moratuwa,2021,54-59
RNP Gunarathna, Thisara Sandanuwan, DAS Amarasinghe, Dinesh Attygalle, Sampath C Weragoda, Nayanathara Hendeniya,".Moisture Transportation in Polyester Fabrics by Plasma Printed Wicking Channels.",2021 Moratuwa Engineering Research Conference (MERCon), 2020,,University of Moratuwa,2021,534-537
A Kumarasiri, HS Herath, DAS Amarasinghe, D Attygalle,".Effects of Current Density on the Solder Wettability of Nickel Electrodeposited Ni20Cr Alloy.",2021 Moratuwa Engineering Research Conference (MERCon), 2020,,University of Moratuwa,2021,649-653
A Ratnakumar, AMPB Samarasekara, DAS Amarasinghe, L Karunanayake,". Microfibrillated Cellulose Fabrication and Characterization from Sri Lankan Rice Straw: A Comparison between Traditional and Hybrid Variety.",2021 Moratuwa Engineering Research Conference (MERCon), 2020,,University of Moratuwa,2021,164-168
Nayanathara Hendeniya, Thisara Sandanuwan, Dinesh Attygalle, DAS Amarasinghe, Sampath Weragoda, Bandula Ranaweera, Kamani Ratnayake, Malki Lalanka,". [PDF] from researchgate.net Non-thermal atmospheric pressure plasma: An alternative method to enhance the seed quality in long bean-KPN (Vigna unguiculate L.) seeds.",2nd International Conference on Aspects of Materials Science and Engineering, ICAMSE 2021; Chandigarh; India; 5 March 2021 through 6 March 2021; Code 169287, Chandigarh; India,2021, 5065-5068
SMK Maduranga, JASR Silva, AMP B Samarasekara, D A S Amarasinghe, L Karunanayake, VSC Weragoda,"."Investigation of Thermal and Mechanical Properties of Micro Crystalline Cellulose Based Composites,.",2020 Moratuwa Engineering Research Conference (MERCon), 2020,,University of Moratuwa,2020,170-175
D. Sunil,".Synchrotron X-ray based study of Arsenic absorption by Brassica oleracea plants..",3rd International Conference on Electrical, Electronic ,Engineering Trends, Communication, Optimization and Science.,India.,2016,
A.M.P.B Samarasekara, D.P Egodage and H.T.S Jayalath,".“Fabrication of Antimicrobial Material For Food Packaging Applications.",21st International Forestry and Environment Symposium 2016, University of Sri Jayewardenepura,, Heritance Kandalama, Dambulla, Sri Lanka,2016,
A.M.P.B Samarasekara, D.P Egodage and H.T.S Jayalath,".Novel Radiographic Testing to Analyze the Porosity and Water Absorption of Bricks.",19th World Conference on Non-Destructive Testing, 13 – 17 June 2016 in Munich, Germany, Munich, Germany,2016,
Kapilraj Natkunarajah, Koneswaran Masilamani, Sithambaresan Maheswaran, Barbara Lothenbach, DAS Amarasinghe, Dinesh Attygalle,".Analysis of the trend of pH changes of concrete pore solution during the hydration by various analytical methods.",Cement and Concrete Research,156,2022
Kapilraj Natkunarajah, Koneswaran Masilamani, Sithambaresan Maheswaran, Barbara Lothenbach, DAS Amarasinghe, Dinesh Attygalle,".Analysis of the trend of pH changes of concrete pore solution during the hydration by various analytical methods.",Cement and Concrete Research,156,2022
Fernandopulle, A. D., Karunanayake, L., AMARASINGHE, D., Samarasekara, A. M., & Attygalle, D. ,".Humidity sensing potential of a microcrystalline cellulose sheet. .",CELLULOSE CHEMISTRY AND TECHNOLOGY,55(5-6),2021
Ratnakumar, A., Samarasekara, A. M. P. B., Amarasinghe, D. A. S., & Karunanayake, L.,".Cellulose microfibres from traditional rice straw: Physicochemical properties and analytical characterization..", Materials Today: Proceedings,45,,2021
Sandanuwan, T., Hendeniya, N., Amarasinghe, D. A. S., Attygalle, D., & Weragoda, S.,".The effect of atmospheric pressure plasma treatment on wetting and absorbance properties of cotton fabric.", Materials Today: Proceedings,45, ,2021
RoshanDodampolaShanthaAmarasinghaDineshAttygalleSampathWeragoda,".Improved method to extract kinetic parameters from thermograms.", Materials Today: Proceedings,23,2020
WSM Rathnayake, L Karunanayake, AMPB Samarasekara, D A S Amarasinghe,".Sunflower oil-based MCC surface modification to achieve improved thermomechanical properties of a polypropylene composite.",Cellulose,27,2020
,".The effect of change of ionomer/polyol molar ratio on dispersion stability and crystalline structure of films produced from hydrophilic polyurethanes,.", J. Appl.Polym.Sci.2017, 134. DOI:10.1002/app44475 ,2016
Dehipalawage Sunil, Harry D. Gafney ,".Effect of CO Pressure Gradients on the Photochemistry and Thermal Chemistry of Fe(CO)5Physisorbed into Porous Vycor Glass .", The Journal of Physical Chemistry C,2011 115 (43), 20824- 20831,2011
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