Postgraduate Research
Postgraduate Research Activities of the Department (From 2015)
In addition to the undergraduate research activities, all the other research activities of the department are classified under various themes:
- 1-D materials for dye sensitized solar cell applications
Supervisors : Prof. J. Bandara (National Institute of Fundamental Studies), Dr. B.S. Dassanayake
Student : Mr. K.M.S.D.B. Kulathunga
Degree : MPhil - Development and Study of a low cost power on demand thermoelectric devices
Supervisors : Prof. D. Subasinghe (National Institute of Fundamental Studies), Dr. V.A. Seneviratne
Student : Mr. K.K.S. Sampath Kumara
Degree : MPhil - Development of CdS and CdTe thin films for thin film solar cell applications
Supervisors : Dr. B.S. Dassanayake, Prof. L.B.D.R.P. Wijesundera (University of Kelaniya)
Student : Mr. R.K.K.G.R.G. Kumarasinghe
Degree : MPhil - Development of quasi solid-state energy conversion and storage devices by optimizing ion transport in polymer electrolytes
Supervisors : Dr. T.M.W.J. Bandara, Prof. A.A.I. Perera
Student : Ms. H.M.N. Wickramasinghe
Degree : MPhil - Development of Solid State Electrochemical Power Sources Based Quasi Solid State Ionic Conductors
Supervisors : Dr. T.M.W.J. Bandara, Dr. B.M.K. Pemasiri
Student : Mr. S.M.S. Gunathilake
Degree : MPhil - Fabrication and characterization of thermally evaporated CdS thin films for CdS/CdTe thin film solar cell
Supervisors : Dr. B.S. Dassnayake, Dr. V.A. Seneviratne
Student : Mr. A.A.I. Lakmal
Degree : MPhil - Investigation of graphite/graphene as back contact material for thin film solar cells
Supervisors : Dr. B.S. Dassanayake, Dr. N. Gunawardhana (Sri Lanka Technological Campus), Dr. B.M.K. Pemasiri
Student : Mr. D.C. Maddumage
Degree : MPhil - Novel TiO2/graphene and Nb2O5/graphene composite anodes for Lithium ion batteries
Supervisors : Dr. N. Gunawardhana (Sri Lanka Technological Campus), Dr. B.S. Dassanayake
Student : Mr. S.A. Panamaldeniya
Degree : MPhil - Theoretical modeling of small and wide band gaps in thermoelectric generators, with special attention on Schottky barrier
Supervisors : Prof. D. Subasinghe (National Institute of Fundamental Studies), Dr. B.M.K. Pemasiri
Student : Mr. R.A. Rathnayake
Degree : MPhil - Activated carbon from sawdust for electrodes for possible application in supercapacitors and solar cells
Supervisors : Dr. T.M.W.J. Bandara, Dr. R.A. Mendis
Student : Mr. A.M.B.S. Alahakoon
Degree : MSc - Conductive transparent thin films for energy conversion devices
Supervisors : Dr. T.M.W.J. Bandara, Prof. L.R.A.K. Bandara
Student : Mr. K.U.R.R.S. Rathnayaka
Degree : MSc - Diatom frustules incorporated photoelectrodes for quasi solid-state dye-sensitized solar cells
Supervisors : Dr. T.M.W.J. Bandara, Dr. W.M.B.K.N. Wijayaratne
Student : Ms. S. Withanage
Degree : MSc - Dye-sensitized solar cells with TiO2 coated silver nanowire incorporated tri-layered photoanode
Supervisors : Dr. H.C.S. Perera, Prof. M.A.K.L. Dissanayake, Dr. B.S. Dassanayake
Student : Mr. H.K.H.D. Kankanamge
Degree : MSc - Exfoliation of graphite into graphene using low-cost wet chemical methods and their application in electrochemical power sources
Supervisors : Dr. T.M.W.J. Bandara, Dr. B.M.K. Pemasiri
Student : Mr. D.M. Gangoda Gamachchi
Degree : MSc - Perovskite solar cells with novel photoelectrode and hole conducting layer preparation methods
Supervisors : Dr. T.M.W.J. Bandara, Dr. E.N. Jayaweera
Student : Mr. N. Abeysekara
Degree : MSc - Photoanode modification of dye-sensitized solar cells with Ag/AgBr/TiO2 nanocomposite for enhanced cell efficiency
Supervisors : Dr. H.C.S. Perera
Student : Ms. M.M.I.H.K. Madigasekara
Degree : MSc
- Synthesis of thin films using spin coating and doctor blade techniques for photovoltaic applications
Investigator : Prof. P. Samarasekara
Collaborator : Dr. P.G.D.C.K. Karunarathna (Department of Nano Science Technology, Wayamba University)
- Studies on modified CdS thin films for possible PV applications
Supervisors : Dr. B.S. Dassanayake, Dr. C.P. Jayalath, Prof. L.B.D.R.P. Wijesundera (University of Kelaniya)
Student : Mr. W.G.C. Kumarage
Degree : PhD (2019) - Quasi solid-sate dye sensitized solar cells based on plasticized polymer electrolyte complexes with mixed ionic salts
Supervisors : Dr. T.M.W.J. Bandara, Prof. H.M.A.M.C. Herath (Rajarata University of Sri Lanka)
Student : Mr. H.D.N.S. Fernando
Degree : PhD (2018) - A study of the performance of cobalt phenanthroline-based liquid and gel electrolytes in dye-sensitized solar cells
Supervisors : Prof. O.A. Ileperuma, Dr. V.A. Senevirathna, Prof. R.M.G. Rajapakse, Prof. H.M.N. Bandara
Student : Ms. A.M.C. Senevirathne
Degree : MPhil (2016) - Synthesis and characterization of novel electrolytes with possible applications in lithium batteries and dye-sensitized solar cells
Supervisors : Dr. V.A. Senevirathna, Prof. L.R.A.K. Bandara
Student : Ms. K.V.L. Amarasinghe
Degree : MPhil (2015) - Boosting efficiency in quasi solid-state dye-sensitized solar cells utilizing multi-layers of TiO2 nanoparticles in the photoelectrode and binary iodides and additives in gel polymer electrolyte based on PEO
Supervisors : Dr. T.M.W.J. Bandara
Student : Mr. G.B.M.M.M. Nishshanke
Degree : MSc (2020) - Characterization of spin coated multilayered copper oxide/ zinc oxide films under irradiation
Supervisors : Prof. P. Samarasekara
Student : Mr. B.M.C.M. Bandaranayake
Degree : MSc (2020) - Characterizations of zinc doped cupric oxide thin films prepared by sol-gel spin coating technique
Supervisors : Prof. P. Samarasekara
Student : H.P. Weeramuni
Degree : MSc (2020) - Characterization of CdS thin films synthesized by chemical bath deposition: effect of purging & annealing with N2
Supervisors : Dr. B.S. Dassanayake
Student : Mr. K.L.G. Sankalpa
Degree : MSc (2019) - Effect of ascorbic acid on CBD-CdS thin films
Supervisors : Dr. B.S. Dassanayake
Student : Mr. W.K.D.A.U. Wijesinghe
Degree : MSc (2019) - Development of CdTe thin films by thermal evaporation for solar cell applications
Supervisors : Dr. B.S. Dassanayake, Dr. B.M.K. Pemasiri
Student : Mr. P.K.K. Kumarasinghe
Degree : MSc (2017) - Development of LiBOB based novel gel electrolytes and their application in lithium ion batteries
Supervisors : Dr. V.A. Seneviratne, Prof. L.R.A.K. Bandara
Student : Mr. A.M.I.E. Gunathilaka
Degree : MSc (2017) - Electrical and complex dielectric behavior of composite polymer electrolyte based on PEO, alumina and tetrapropylamonium iodide
Supervisors : Dr. T.M.W.J. Bandara, Prof. H.M.A.M.C. Herath (Rajarata University of Sri Lanka)
Student : D.G.N. Karunathilaka
Degree : MSc (2017) - Efficiency enhancement of dye-sensitized solar cells incorporating Ag and Cu nanoparticles in the TiO2 photoanodes
Supervisors : Dr. B.S. Dassanayake, Dr. V.A. Seneviratne
Student : Mr. R.D.S.M. Gunatissa
Degree : MSc (2016) - Modification of lead sulfide quantum dot sensitized titanium dioxide photoanode for dye sensitized solar cells
Supervisors : Dr. T.M.W.J. Bandara, Prof. H.M.A.M.C. Herath (Rajarata University of Sri Lanka)
Student : Mr. I.S. Irshad
Degree : MSc (2015)
- Fabrication of gas sensors using metal oxide and activated carbon thin films
Investigator : Prof. P. Samarasekara
Collaborator : Dr. P.G.D.C.K. Karunarathna (Department of Nano Science Technology, Wayamba University)
- Spin reorientation of ferromagnetic thin films as described by 3rd order perturbed Heisenberg Hamiltonian
Supervisors : Prof. P. Samarasekara
Student : N.U.S. Yapa
Degree : PhD (2020) - Behaviour of single bubble sonoluminescence in different liquid media
Supervisors : Prof. Asiri Nanayakkara (National Institute of Fundamental Studies), Dr. V.A. Seneviratne
Student : Mr. H.M.P.S. Herath
Degree : MPhil (2019) - A study on Mg(ClO4) 2 incorporated polymer free and polymer based gel electrolytes
Supervisors : Dr. V.A. Seneviratne
Student : Mr. R.M.I.G.C.A.K. Ranathunga
Degree : MSc (2020) - Synthesis and characterization of Fe3O4 ferrofluid PEO magnetic polymer composites
Supervisors : Dr. B.S. Dassanayake, Dr. V.A. Seneviratne
Student : Mr. S.M.I.A. Mohomed
Degree : MSc (2020) - Synthesis, XRD analysis, and resistance measurements of Bi-Pb-Sr-Ca-Cu-O superconductors
Supervisors : Prof. F.C. Ragel (Eastern University of Sri Lanka), Dr. V.A. Seneviratne
Student : Mr. S.M. Aazir
Degree : MSc (2020) - Effect of Al2O3 ceramic filler on structural and ionic properties of poly(ethylene oxide)-lithium perchlorate solid polymer electrolyte
Supervisors : Dr. V.A. Seneviratne
Student : Ms. K.K. Wimalaweera
Degree : MSc (2019) - Effect of Al2O3 ceramic filler on structural and ionic properties of poly(ethylene oxide)-lithium perchlorate solid polymer electrolyte
Supervisors : Dr. V.A. Seneviratne
Student : Ms. K.K. Wimalaweera
Degree : MSc (2019) - Phytofabrication of silver nanoparticles using Azadirachta indica
Supervisors : Dr. B.S. Dassanayake, Dr. S.C.K. Rubasinghe
Student : Mr. K.G.S.P.B. Samarakoon
Degree : MSc (2019) - Synthesis and optimization of properties of antibacterial nylon
Supervisors : Dr. B.S. Dassanayake, Dr. S.S. Gunathilaka, Dr. I.C. Perera (University of Colombo)
Student : Ms. J.W.M.E.S. Weerappuliarachchi
Degree : MSc (2019) - Synthesis and characterization of a fumed silica based gel electrolyte using ethylene glycol and LiBOB
Supervisors : Dr. V.A. Seneviratne, Prof. L.R.A.K. Bandara
Student : Mr. A.M.S. Dissanayake
Degree : MSc (2017) - Characterization of sol-gel spin coated nanocrystalline cadmium sulphide thin films
Supervisors : Prof. P. Samarasekara
Student : Ms. D.M.C.U. Dissanayake
Degree : MSc (2016) - Phytofabrication of silver nanoparticles using Riccia sp.
Supervisors : Dr. B.S. Dassanayake, Dr. S.C.K. Rubasinghe
Student : Mr. J.A.M.S. Jayasinghe
Degree : MSc (2016) - Synthesis and characterization of thin films of cobalt polyaniline films
Supervisors : Dr. V.A. Seneviratne
Student : Ms. N.J. Punchihewa
Degree : MSc (2016) - Characterization of sol gel synthesized undoped and copper (II) doped ZnO thin films
Supervisors : Prof. P. Samarasekara
Student : Ms. U. Wijesinghe
Degree : MSc (2015)
- Critical evaluation on doing practical of advanced level Physics stream in schools in Sabaragamuwa province
Supervisors : Dr. C.P. Jayalath, Dr. S.P. Abeysundara
Student : Ms. W.L. Samarawickrama
Degree : MSc - The impact of laboratory practicals on students’ performances in Science subjects: A case study in Nachchaduwa education division
Supervisors : Dr. T.P. Ranawaka
Student : Mr. H.M.T.S. Herath
Degree : MSc
- Application of authentic assessment in a junior secondary school physics in Sri Lanka- An illustrative study on grade 9-energy, work and force
Supervisors : Dr. Upali M. Sedere (Sri Lanka International Buddhist Academy), Dr. V.A. Seneviratne
Student : Ms. H.M.V.T. Herath
Degree : MSc (2015)
- Determination of radiation hazard indices in selected wall and floor tiles
Supervisors : Mr. K.S.S. Kolambage, Dr. C.P. Jayalath
Student : Mr. H.J. Premakumara
Degree : MSc (2020) - Measurement of natural radioactivity levels of several building materials used in Sri Lanka based on high purity Ge-detector
Supervisors : Mr. P. Mahakumara, Mr. A. Jayalath, Dr. C.P. Jayalath
Student : Mr. P.A.R.P. Kumara
Degree : MSc (2016)
- Developing a digital configurable, multipurpose multichannel analyser for gamma spectroscopy applications
Supervisors : Dr. C.P. Jayalath, Dr. Ruwan Ranaweera
Student : Mr. R.A.N.C. Ranasinghe
Degree : MPhil
- Developing a kinetic model for MutS mismatch repair protein interactions with DNA
Investigator : Dr. D.S. Kahanda
Collaborator : Prof. Anatoly Kolomeisky (Department of Chemistry, Rice University, USA) - Kinetic ad thermodynamic study of Lactoferrin using thin film electrochemistry
Investigator : Dr. D.S. Kahanda
- Evaluation of Entrance Surface Dose (ESD) due to dental exposure and performance of the exposure factors of the dental x-ray machines
Supervisors : Mr. K.S.S. Kolambage (SLAERC), Dr. C.P. Jayalath
Student : Ms. K.G.K.U. Gamage
Degree : MSc (2021) - Estimation of surface and build-up region dose for Co-60 tele-therapy units
Supervisors : Dr. A.J. Hilmi (National Hospital, Kandy), Dr. C.P. Jayalath
Student : Mr. R.M.K. Ariyasinghe
Degree : MSc (2019) - Study of the effective half-life time and estimation of dose rate measurements of the patients treated with radioactive iodine
Supervisors : Dr. U. Ekanayake, Dr. C.P. Jayalath
Student : Ms. A.S. Munasinghe
Degree : MSc (2019)
- VLF receiver at Upper Hanthana to provide ground-based, broad band VLF measurements for space weather, monitoring and modelling the Ionosphere
Collaborator : Dr. J.P. Liyanage, Prof. János Lichtenberger (Department of Geophysics and Space Sciences, Eötvös University, Hungary), Dr. Ashanthi Maxworth (Department of Engineering, University of Southern Maine, USA)
Undergraduate Research
- A study on areca nut fiber based composite for packaging
Student: H. A. C. Madubhashani (S/16/406)
Supervisor(s): Dr. B. M. K. Pemasiri, Dr. V. A. Seneviratne - Building a low-cost impedance tube for Testing sound absorption properties of structures developed using waste materials
Student: N. D. D. D. Senarath (S/16/535)
Supervisor(s): Dr. J. A. C. P. Jayalath, Dr. D. R. A. Mendis - Chemical bath deposited ZnO nanowires for antimicrobial water filters
Student: A. P. S. P. Jayathilaka (S/16/382)
Supervisor(s): Dr. B. S. Dassanayake, Dr. N. L. Dasanayake - Construction and application of a portable muon detector
Student: S. A. K. D. Senadheera (S/16/473)
Supervisor(s): Dr. T. P. Ranawaka, Dr. J. A. C. P. Jayalath, Dr. D. R. A. Mendis - Construction and Characterization of Composite Material with Bamboo, Banana and Reed Fibers as a Replacement for Wooden Boards
Student: D. K. H. Gamage (S/16/353)
Supervisor(s): Dr. V. Sivakumar - Development of a photo supercapacitor for simultaneous energy harvesting and storage, based on metal oxide composite electrodes.
Student: K. D. U. M. Jayathilake (S/16/384)
Supervisor(s): Dr. K. B. Wijayaratne, Prof. T. M. W. J. Bandara - Development of Reduced Graphene Oxide-Based Flexible Dry Electrodes for Surface Electromyography
Student: H. H. Samarakkody (S/16/463)
Supervisor(s): Prof. L. R. A. K. Bandara, Dr. J. P. Liyanage - Enhancement of Thermoelectric Properties of Copper (l) Thiocyanate Using Suitable Dopants
Student: J. A. J. Heshan (S/16/364)
Supervisor(s): Prof. T. M. W. J. Bandara, Dr. L. K. Narangammana - Investigating the ability to purify wastewater by using Activated Porous Carbon (APC) produced from waste surgical masks
Student: D. K. Wellalage (S/16 /163)
Supervisor(s): Dr. N. L. Dasanayake, Prof. L. R. A. K. Bandara - Investigation of Charge Carrier Transport Parameters in PMMA - Based Polymer Electrolyte for Li-ion batteries using electrochemical impedance analysis.
Student: D. I. C. Dayarathna (S/16/329)
Supervisor(s): Prof. L. R. A. K. Bandara, Dr. E. N. Jayaweera - Investigation of doped ZnO thin films for detection of ammonia gas
Student: R. A. U. D. Ranasinghe (S/16/444)
Supervisor(s): Dr. P. W. S. K. Bandaranayake - Microwave- hydrothermal synthesis, characterization, and investigation of photocatalytic properties of ZnO, SnO2 and ZnO/SnO2 nanoparticles
Student: J. V. S. S. D. Perera (S/16/427)
Supervisor(s): Prof. P. Samarasekara - Photocatalytic Degradation of Methylene Blue Dye in Aqueous Media Using Ag Doped Hollow TiO2 Nanoparticles
Student: H. M. I. V. K. Hitinayake (S/16/366)
Supervisor(s): Dr. H. C. S. Perera - Piezoelectric based mechanical vibration acquisition approach to estimate mass of a dynamic object
Student: M. K. Sajjana (S/16/462)
Supervisor(s): Dr. B. M. K. Pemasiri - Study of radiation shielding properties of selected Sri Lankan wood species and wood-based composites for low energy X-ray applications
Student: R. M. Y. H. Rathnayake (S/16/455)
Supervisor(s): Dr. D. R. A. Mendis, Dr. J. A. C. P. Jayalath, Dr. T. P. Ranawaka - Synthesis of graphene quantum dots and using them in improving the performance of photo-electrochemical solar cells
Student: H. M. Gothami (S/16/357)
Supervisor(s): Prof. T. M. W. J. Bandara, Dr. K. B. Wijayaratne - The Effect of Coconut Coir based Carbon Black in Natural Rubber Composite
Student: H. S. R. R. Fernando (S/16/350)
Supervisor(s): Dr. V. A. Seneviratne - The enhancement of thermoelectric properties of Copper iodide and Zinc oxide through doping and fabrication of a thermoelectric junction device
Student: K. G. D. T. B. Kahawaththe (S/16/387)
Supervisor(s): Dr. L. K. Narangammana, Prof. T. M. W. J. Bandara - Visible light-activated antibacterial paint based on copper doped TiO2 nanoparticles
Student: R. A. A. C. Rajapaksha (S/16/438)
Supervisor(s): Dr. E. N. Jayaweera, Dr. H. C. S. Perera, Dr. B. S. Nanayakkara - Wild taro (Colocasia esculenta) Starch based bioplastics for various applications
Student: R. G. T. P. Karunarathna (S/16/394)
Supervisor(s): Dr. V. Sivakumar
Recent Research Publications
- Towards the establishment of national diagnostic reference levels for abdomen, KUB, and lumbar spine x-ray examinations in Sri Lanka: a multi-centric study
Publication : Journal of Radiological Protection
Year : 2024
Members : Sachith Welarathna, Velautham Sivakumar, Sivananthan Sarasanandarajah - Determination of bcc
structured ferromagnetic thin films with two spin
layers using the fourth order perturbed Heisenberg Hamiltonian
Publication : International conference on multidisciplinary research (ICMR)
Year : 2024
Members : M.S.M. Farhan and P. Samarasekara
- Variations in patient doses
from lumbar spine x-ray examinations in two public hospitals in Sri Lanka
Publication : Peer Reviewed, Full Paper 11th Young Scientists Forum (YSF) Symposium – 2023
Year : 2023
Members : W.D.S.D. Welarathna, V.Sivakumar, W. M. N. M. B. Wanninayake and S. Sarasanandarajah - Dynamic behavior of fluid flow through a downscaled model of Bissokotuwa of the ancient reservoirs in Sri Lanka
Publication : Ceylon Journal of Science
Year : 2023
Members : D.C. Maddumage, B.M.K. Pemasiri - Controllable
gas sensitivity of Mg/CuO nanocomposite films
measured in methanol vapor
Publication : GESJ:Physics
Year : 2023
Members : C.A. Samarahewa, P.G.D.C.K. Karunarathna and P. Samarasekara - Band gap studies of nanocomposites
of ZnO/SnO2 with different molar ratios
Publication : GESJ:Physics
Year : 2023
Members : J.V.S.S.D. Perera, P.G.D.C.K. Karunarathna and P. Samarasekara - Cu-Nitrogen doped graphene (Cu-N/Gr)
nanocomposites as cathode catalyst in fuel cells – DFT study
Publication : Heliyon
Year : 2023
Members : Yashas Balasooriya, Pubudu Samarasekara, Chee Ming Lim, Yuan-Fong Chou Chau, Muhammad Raziq Rahimi Kooh and Roshan Thotagamuge - Density
Functional
theory investigation of temperature-dependent properties of Cu-Nitrogen-doped
graphene as a material in fuel cell applications
Publication : Molecules
Year : 2023
Members : Yashas Balasooriya, Pubudu Samarasekara, Chee Ming Lim, Yuan-Fong Chou Chau, Muhammad Raziq Rahimi Kooh and Roshan Thotagamuge - FCC
structured ferromagnetic ultra-thin films with
two spin layers described by fourth order perturbed Heisenberg Hamiltonian with all seven parameters
Publication : GESJ:Physics
Year : 2023
Members : M.S.M. Farhan, P. Samarasekara and M.K. Abeyratne - Magnetic energy of
face-centered cubic structured ferromagnetic ultra-thin
films with three spin layers as described by fourth-order perturbed Heisenberg
Hamiltonian
Publication : 7th International research conference of Uva Wellassa University, IRCUW
Year : 2023
Members : M.S.M. Farhan and P. Samarasekara - Radial
oscillation modes of delta scuti stars KIC 2439660, KIC
3219256 and KIC 6965789 investigated using Kepler
asteroseismic science data
Publication : STM Journals: Research & Reviews: Journal of Space Science & Technology
Year : 2023
Members : Arunan Sinnappoo, N.U.S. Yapa and P. Samarasekara - Simple cubic
structured ferromagnetic thin films with two spin layers explained by
fourth order perturbed Heisenberg Hamiltonian
Publication : International conference of Applied and Pure sciences
Year : 2023
Members : M.S.M. Farhan and P. Samarasekara - ZnO layers synthesized using doctor blade method
to detect ethanol, methanol and acetone vapors and CO2
gas
Publication : GESJ:Physics
Year : 2023
Members : R.A.S.R. Ranasinghe, P.G.D.C.K. Karunarathna and P. Samarasekara - “Investigation of Magnetic Properties of Ferromagnetic Thin Films with Three Spin Layers Using The Fourth Order Perturbed Heisenberg Hamiltonian”
Publication : Ceylon Journal of Science
Year : 2023
Members : M.S.M. Farhan, M.A.A. Karunarathna and P. Samarasekara - “Towards the
establishment of national diagnostic reference levels for chest X-ray
examinations in Sri Lanka: A multi-centric study”
Publication : Journal of Radiological Protection
Year : 2023
Members : Sachith Welarathna, Sivakumar Velautham, Sivananthan Sarasanandarajah,
- An electrochemical route to exfoliate vein
graphite into graphene with black tea
Publication : Materials Chemistry and Physics
Year : 2022
Members : T.M.W.J. Bandara, T.M.A.A.B. Thennakoon, G.G.D.M.G. Gamachchi, L.R.A.K. Bandara, B.M.K. Pemasiri , U. Dahanayake - Effect of substrate temperature on electrical
properties of RGO thin films deposited by atomized spray pyrolysis
Publication : Materials Research Bulletin
Year : 2022
Members : D.C. Maddumage, S.A. Panamaldeniya, K.M.M.D.K. Kimbulapitiya, D.N.P.R. Jayakantha, M.A.H.M. Munasinghe, B.M.K. Pemasiri, N. Gunawardhana, B.S. Dassanayake - Time-dependent
finite-difference model for transient and steady state analysis of
thermoelectric bulk materials
Publication : Physica Scripta
Year : 2022
Members : R.A. Rathnayake, H. Wijekoon , B.M.K. Pemasiri and N.D. Subasinghe - A
review of textile dye-sensitized solar cells for wearable electronics
Publication : Ionics
Year : 2022
Members : T.M.W.J., Bandara, J.M.C. Hansadi & F. Bella - A solution
of fourth order perturbed
Heisenberg Hamiltonian
with seven magnetic parameters
Publication : STM journals: Journal of Nanoscience, NanoEngineering & Applications
Year : 2022
Members : M.S.M. Farhan and P. Samarasekara - An electrochemical
route to exfoliate vein graphite into graphene with black tea.
Publication : Materials Chemistry and Physics
Year : 2022
Members : T.M.W.J. Bandara, T.M.A.A.B. Thennakoon, G.G.D.M.G. Gamachchi, L.R.A.K. Bandara, B.M.K. Pemasiri, & U. Dahanayake, - Development of hole conductivity of CuSCN by
adding Mn
Publication : Ionic Research and Engineering Journals
Year : 2022
Members : H.M.K.L. Hathurusingha, P.G.D.C.K. Karunarathna and P. Samarasekara - Evaluation of patient
doses for routine digital radiography procedures toward establishing an
institutional diagnostic reference levels: A case study in Sri Lanka
Publication : Journal of Applied Clinical Medical Physics
Year : 2022
Members : Sachith Welarathna, Sivakumar Velautham, Mihira Wanninayake, Sivananthan Sarasanandarajah - Ferromagnetic thin films with
fcc structure as described by fourth order perturbed
Heisenberg Hamiltonian with seven magnetic
parameters
Publication : Proceedings of the postgraduate institute of science research congress
Year : 2022
Members : M.S.M. Farhan and P. Samarasekara - Fourth order perturbed
Heisenberg Hamiltonian of bcc
structured ferromagnetic thin films with three spin layers
Publication : Proceedings of the 11th Annual Science Research Sessions, FAS, SEUSL, Sri Lanka
Year : 2022
Members : M.S.M. Farhan and P. Samarasekara - Fourth Order Perturbed
Heisenberg Hamiltonian with Seven Magnetic Parameters
of bcc Structured Ferromagnetic Ultrathin Films
Publication : GESJ: Physics
Year : 2022
Members : M.S.M. Farhan and P. Samarasekara - Investigation of Photocatalytic Properties of Microwave Hydrothermal
Synthesized ZnO, SnO2 and ZnO/SnO2 Nanocomposites
Publication : STM journals: Journal of Nanoscience, Nanoengineering & Applications
Year : 2022
Members : J.V.S.S.D. Perera, P.G.D.C.K. Karunarathna and P. Samarasekara - Novel electrode design for energy harvesting devices based on liquid–solid contact and enhancement of effective interface area
Publication : Nano Energy
Year : 2022
Members : K. Rohana Wijewardhana, E.N. Jayaweera, Jang-Kun Song - Organic-Inorganic Hybrid Thermocouple Intended
for Thermoelectric Generators Using Low-Cost Nontoxic Materials
Publication : Journal of Electronic Materials
Year : 2022
Members : L.K. Narangammana, Y.M.D.C.Y., Bandara, L.A. DeSilva, T.M.W.J. Bandara, - Transport
parameters of charge carriers in PEO-LiTf-based, plasticized, composite, and
plasticized-composite electrolytes intended for Li-ion batteries
Publication : Ionics
Year : 2022
Members : T.M.W.J. Bandara, L.B.E. Gunasekara, S.M.S. Gunathilake, B.-E. Mellander
- Enhancement of gas sensitivity of ferric oxide thin films by adding activated
carbon nanoparticles.
Publication : IRE Journals,
Year : 2021
Members : R.M.T.D. Rajapaksha, P. Samarasekara, P.G.D.C.K., Karunarathna, T.M.W.J. Bandara C.A.N. Fernando - Effect of annealing temperature on electrical
properties of RGO thin films deposited by Atomized Spray Pyrolysis
Publication : Diamond & Related Materials
Year : 2021
Members : D.C. Maddumage, S.A. Panamaldeniya, K.M.M.D.K. Kimbulapitiya, D.N.P.R. Jayakantha, M.A.H.M. Munasinghe, B.M.K. Pemasiri, N. Gunawardhana, B.S. Dassanayake - Enhancement of gas
sensitivity of ferric oxide thin films by adding activated carbon nanoparticles
Publication : Ionic research and engineering journals
Year : 2021
Members : R.M.T.D.Rajapaksha, P. Samarasekara, P. G. D. C. K. Karunarathna, T.M.W.J. Bandara and C. A. N. Fernando - Fabrication of β-phase poly (vinylidene fluoride)
piezoelectric film by electrospinning for nanogenerator preparations.
Publication : Ceylon Journal of Science
Year : 2021
Members : H.U. Kumarasinghe, L.R.A.K. Bandara, T.M.W.J. Bandara, G.K.R. Senadeera, C.A. Thotawatthage, - Fourth order
perturbed Heisenberg Hamiltonian of fcc structured ferromagnetic
ultra-thin films
Publication : GESJ: Physics
Year : 2021
Members : P. Samarasekara and E.M.P. Ekanayake - Improvement of gas
sensitivity of ferric oxide thin films by adding Mn nanoparticles
Publication : Bulletin of materials science
Year : 2021
Members : R.M.T.D.Rajapaksha, P. Samarasekara, P. G. D. C. K. Karunarathna, and C. A. N. Fernando - Low dose radioiodine therapy: A review of dosimetry and evaluation of potential shielding materials for neck collars
Publication : Journal Article in the Journal of the National Science Foundation of Sri Lanka
Year : 2021
Members : S. Mubarak, D. Nanayakkara, C. Jayalath, V. Sivakumar - Magnetic properties of ferromagnetic thin films with three spin layers as described
by fourth-order perturbed Heisenberg
Hamiltonian
Publication : Journal of Science of the University of Kelaniya Sri Lanka
Year : 2021
Members : P. Samarasekara and M.K. Abeyratne - Multi-layers of TiO2 nanoparticles in
the photoelectrode and binary iodides in the gel polymer electrolyte based on
poly (ethylene oxide) to improve quasi solid-state dye-sensitized solar cells
Publication : Journal of Solid State Electrochemistry
Year : 2021
Members : G.B.M.M.M., Nishshanke, B.D.K.K. Thilakarathna, I. Albinsson, B-E. Mellander, and T.M.W.J. Bandara. - Quasi-solid-state dye-sensitized solar cells
utilizing TiO2/graphite composite counter electrode and TiO2/N719
sensitizer photoelectrode for low-cost power generation.
Publication : Journal of Materials Science: Materials in Electronics
Year : 2021
Members : T.M.W.J Bandara, H.M.N. Wickramasinghe, K. Wijayaratne, L. Ajith DeSilva, and A.A.I. Perera - Spin reorientation of CoPt/AlN films and Gd films described
by third order perturbed Heisenberg Hamiltonian
Publication : STM journals: Journal of Nanoscience, NanoEngineering & Applications
Year : 2021
Members : N.U.S. Yapa, E.M.P. Ekanayake and P. Samarasekara - Transparent and conductive F-Doped SnO2
nanostructured thin films by sequential nebulizer spray pyrolysis.
Publication : MRS Advances
Year : 2021
Members : T.M.W.J. Bandara, A.A.A.P. Aththanayake, G.R.A. Kumara, P. Samarasekara, L. Ajith DeSilva, and K. Tennakone
- A Comparative Study on CdS
Film Formation under Variable and Steady Bath-Temperature Conditions
Publication : Semiconductors
Year : 2020
Members : R.K.K.G.R.G. Kumarasinghe, W.G.C. Kumarage, R.P. Wijesundera, N. Kaur, E. Comini and B.S. Dassanayake - Advances in nano research
Publication : Silver nanowire-containing wearable thermogenic smart textiles with washing stability
Year : 2020
Members : K.B. Dhanawansha, R. Senadeera, S.S. Gunathilake, B.S. Dassanayake - Annealing time
dependence of structural and optical
properties of spin coated CdS films
Publication : GESJ: Physics
Year : 2020
Members : D. M. C. U. Dissanayake and P. Samarasekara - Binary counter ion effects and dielectric
behavior of iodide ion conducting gel-polymer electrolytes for high-efficiency quasi-solid-state solar cells
Publication : Physical Chemistry Chemical Physics
Year : 2020
Members : T.M.W.J. Bandara, S.L.N. Senavirathna, H.M.N. Wickramasinghe, K. Vignarooban, L.A. De Silva, M.A.K.L. Dissanayake, I. Albinsson, B.-E. Mellander, - Combinatorial design of chemical-dependent protein switches for controlling intracellular electron transfer
Publication : AIChE Journal
Year : 2020
Members : Wu, B., Atkinson, J.T., Kahanda, D., Bennett, G.N., and Silberg, J.J. - Combined effects of rice husk ash and nylon fiber on engineering properties of cement mortar
Publication : SN Applied Sciences
Year : 2020
Members : Lalani Fernando, Karunananda Pemasiri, Buddhika Dassanayake - Combined effects of rice husk ash and nylon fiber on engineering properties of cement mortar, SN Applied Sciences
Publication : SN Applied Sciences
Year : 2020
Members : L. Fernando, K. Pemasiri, B.S. Dassanayake - Determination of charge carrier transport
parameters in a polymer electrolyte intended for Li-ion batteries using electrochemical
impedance analysis
Publication : Journal of Solid State Electrochemistry
Year : 2020
Members : T.M.W.J. Bandara, L. Ajith DeSilva, L.B.E. Gunasekara, Sunil Dehipawala, B.-E. Mellander - DEVELOP SELF-CLEANING NANOCOMPOSITE COATING ON CLAY ROOFING TILES
Publication : 9th YSF Symposium, Colombo, Sri Lanka
Year : 2020
Members : S.T. Amarasinghe, H.C.S. Perera - Diatom frustules enhancing efficiency in gel polymer electrolyte based dye-sensitized solar cells with multilayer photoelectrodes
Publication : Nanoscale Advances
Year : 2020
Members : T.M. Wijendra Jayalath Bandara, Maurizio Furlani, Ingvar Albinsson, Angela Wulff, Bengt-Erik Mellander - Effect of PbS quantum dot-doped polysulfide nanofiber gel polymer electrolyte on efficiency enhancement in CdS quantum dot-sensitized TiO2 solar cells
Publication : Electrochimica Acta
Year : 2020
Members : M.A.K.L. Dissanayake, T. Liyanage, T. Jaseetharan, G.K.R. Senadeera and B.S. Dassanayake - Enhancing the
photocurrent of spin coated CuO thin films using TX 100 surfactant
Publication : GESJ:Physics
Year : 2020
Members : P. Samarasekara, P. G. D. C. K. Karunarathna, B. M. C. M. Bandaranayake and C. A. N. Fernando - Fe3O4 thick films as described by second order perturbed Heisenberg Hamiltonian
Publication : Journal of Science of the University of Kelaniya Sri Lanka
Year : 2020
Members : P. Samarasekara - Ferromagnetic thin
films with simple cubic structure as described by
fourth order perturbed Heisenberg Hamiltonian
Publication : STM journals: Journal of Nanoscience, NanoEngineering & Applications
Year : 2020
Members : P. Samarasekara and E.M.P. Ekanayake - Human Exposure Levels Due to Mobile Base Station Antennas in Sri Lanka
Publication : International Journal of Advanced Scientific Research and Management (IJASRM)
Year : 2020
Members : M.A.A. Karunarathna, C.A.N. Fernando and P. Samarasekara - Polymer Electrolytes for Quantum Dot‐Sensitized Solar Cells (QDSSCs) and Challenges
Publication : Polymer Electrolytes: Characterization Techniques and Energy Applications
Year : 2020
Members : T.M.W.J. Bandara, J.L. Ratnasekera - Prochlorococcus phage ferredoxin: structural characterization and interactions with cyanobacterial sulfite reductase
Publication : Journal of Biological Chemistry
Year : 2020
Members : Campbell, I., Olmos, J., Xu W., Kahanda, D., Twum-Barimah, O., Kim, J., Atkinson, J.T., Bennett, G.N., Phillips, G.N., and Silberg, J.J. - Properties of tris (8-hydroxyquinoline) aluminum
thin films fabricated by spin coating from static and dynamic dispense methods,
Publication : Optical Materials
Year : 2020
Members : Zachary Welchel, L. Ajith DeSilva, T.M.W.J. Bandara, - Recombination of 2Fe-2S ferredoxins reveals difference in the inheritance of thermostability and electrochemical properties
Publication : ACS Synthetic Biology
Year : 2020
Members : Campbell, I., Kahanda, D., Tseng, C., Pathiranage, T., Twum-Barimah, O., Atkinson, J.T., Bennett, G.N., Verduzco, R., and Silberg,, J.J. - Review on mixed cation effect in gel polymer electrolytes for
quasi solid-state dye-sensitized solar cells
Publication : Ionics
Year : 2020
Members : G.B.M.M.M. Nishshanke, A.K. Arof, T.M.W.J. Bandara - Synthesis of cellulose microcrystals (CMC)/nylon 6,10 composite by incorporating CMC isolated from Pandanus ceylanicus
Publication : Carbohydrate Polymers
Year : 2020
Members : J.W.M.E.S. Weerappuliarachchi, I.C. Perera, S.S. Gunathilakea, S.K.S. Thennakoon and B.S. Dassanayake - Third order perturbed Heisenberg Hamiltonian of Fe3O4 ultra thin Films
Publication : GESJ: Physics
Year : 2020
Members : P. Samarasekara - TiO2 Microparticles/Reduced Graphene Oxide Composite as Anode Material for Lithium Ion Battery
Publication : Int. J. Electrochem. Sci
Year : 2020
Members : S.A.D.R. Madhusanka, R.D.L. Sandaruwan, M. M. Athar, M. Zaib, Hashitha M.M. Munasinghe Arachchige, B.S. Dassanayake, M. Yoshio and N. Gunawardhana