Dr. T. Jaseetharan
Senior Lecturer in Physics
Dept.of Physical Sciences
Faculty of Applied Sciences
Research Gate
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ORCID IDDR. T. JASEETHARAN
| Designation | Senior Lecturer, Gr II in Physics |
| Department / Unit | Dept. of Physical Sciences |
| Faculty | Faculty of Applied Sciences |
| Tele. No. | +94 67 2260073 |
| Mobile No. | +94 77 2852827 |
| jaseetharan@seu.ac.lk jaseetharan@fas.seu.ac.lk |
- PhD in Solid State Physics
- M.Sc.in Nanoscience and Nanotechnology
- B.Sc.(Hons.) in Physics
- Academic Coordinator for Inter-Disciplinary Course Unit: 2014 – Present Faculty of Applied Sciences, South Eastern University of Sri Lanka.
- Subject Coordinator in Physics : 2013 - Present Department of Physical Sciences, South Eastern University of Sri Lanka.
- Student Counselor: 2011- 2012 Faculty of Applied Sciences, South Eastern University of Sri Lanka.
- Executive Committee Member: 2013- 2014 Sports Advisory Committee, South Eastern University of Sri Lanka
- Student Mentor: 2014 - Present Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sri Lanka.
- Chairman: 2014 -Present Board of Study in Science, External Degree Program, Faculty of Applied Sciences, South Eastern University of Sri Lanka.
- Member: 2010 – Present Faculty Board, Faculty of Applied Sciences, South Eastern University of Sri Lanka.
- Secretary to the 3rd Annual Science Research Session - 2014 Committee, Faculty of Applied Sciences, SEUSL.
- Treasurer to the 4th Annual Science Research Session - 2015 Committee, Faculty of Applied Sciences, SEUSL.
- Mentor to the South Eastern University of Sri Lanka, Faculty of Applied Sciences for a group of students from Nuwara-Eliya District, 1st May 2014 - 30th April 2015.
- Quantum dot - sensitized solar cells
- Quantum dot Detectors
- Plasmonic Nanostructures
- Polymer elecctrolytes for energy conversion and storage
- Nanomaterials and Nanodevices
- Current Research: Interface modification of dye-sensitized solar cells using self-assembled monolayers
- L.A. Wijenayaka W.I. Sandamali, G.K.R. Senadeera, M.A.K.L. Dissanayake, T. Jaseetharan, V.P.S. Perera, J.C.N. Rajendra, N. Karthikeyan, "The effect of surface plasmon resonance on the photovoltaic properties of CdS quantum dot sensitized solar cells", Proceedings of Technical Sessions - Institute of Physics, Sri Lanka 37 (2021) 77
- T. Jaseetharan, M.A.K.L. Dissanayake, G.K.R. Senadeera,"Efficiency enhancement in dye-sensitized solar cells by co-sensitization with CdS quantum dots", Proceedings of 7th Ruhuna International Science & Technology Conference (RISTCON 2020), University of Ruhuna, Sri Lanka, 22nd January 2020.
- K. Umair, M.A.K.L. Dissanayake, G.K.R. Senadeerar, J.M.K.W. Kumari,C.A. Thotawatthage, T. Jaseetharan, "Synthesis and characterization of photoanodes for dye-sensitized solar tells prepared by TiO2 P25 / P90 nanoparticle mixture". NIFS Young Scientists’ Symposium on Multidisciplinary Research 2019, National Institute of Fundamental Studies, Kandy, Sri Lanka, 12th June 2019.
- T. Jaseetharan, M.A.K.L. Dissanayake, G.K.R. Senadeera, "Surface plasmon resonance effect of Au nano particles on The efficiency of cds quantum dot-sensitized solar cells", PGIS Research congress – 2019, Postgraduate Institute of Science, University of Peradeniya, Sri Lanka, 11th October 2019.
- T. Jaseetharan, M.A.K.L. Dissanayake, G.K.R. Senadeera, "Plasmonic effect on photocurrent in PbS/CdS quantum dot-sensitized solar cells with TiO2 Nanofiber/Nanoparticle photoanode", International conference on Advanced materials for clean energy and health applications (AMCEHA-2019), University of Jaffna, Sri Lanka, 6th - 8th February 2019.
- K. Umair, M.A.K.L. Dissanayake, G.K.R. Senadeera, J.M.K.W. Kumari, C.A. Thotawatthage, T. Jaseetharan, "Effect of incorporation of mixture of TiO2 crystallites from P25 and P90 in photoanode towards the efficiency enhancement in dye sensitized solar cells", International conference on Advanced materials for clean energy and health applications (AMCEHA-2019), University of Jaffna, Sri Lanka, 6th - 8th February 2019.
- S. Senthuran, M.A.K.L. Dissanayake, G.K.R. Senadeera, T. Jaseetharan, "Efficiency enhancement in dye – sensitized solar cells using hierarchical TiO2 microspheres as a scattering layer". International conference on Advanced materials for clean energy and health applications (AMCEHA-2019), University of Jaffna, Sri Lanka, 6th - 8th February 2019.
- T. Jaseetharan, M.A.K.L. Dissanayake, G.K.R. Senadeera, "Improving the performance of CdS quantum dot-sensitized solar cells by TiO2 nanoparticle/nanofiber photoanode", PGIS Research congress – 2018, Postgraduate Institute of Science, University of Peradeniya, Sri Lanka, 9th – 10th November 2018
- T Jaseetharan, MKML Dissanayake, GKR Senadeera, CA Thotawatthage, "Enhancing the performance of PbS: Hg quantum dot-sensitized solar cells by controlling the surface charge of TiO2 electrode", Solar Asia - 2018.
- T Jaseetharan, K Balashangar, P Ravirajan, "Enhancement of the photo current density in dye–sensitized solar cells using single-walled carbon nanotubes", Annual Science research Sessions - 2017, FAS, SEUSL
- T Jaseetharan, "Enhance the performance of dye–sensitized solar cells by dipole molecules", Annual Science research Sessions - 2016, FAS, SEUSL.
- T. Jaseetharan, A. C. A. Jayasundera, P. Ravirajan, " Interface modification of dye-sensitized solar cells using self-assembled monolayer", PGIS Research Congress -2015
- T Jaseetharan, "Solid state dye sensitized solar cells based on natural dye", Annual Science research Sessions - 2014, FAS, SEUSL.
- S Sarathchandran, K Balashangar, P Ravirajan, T Jaseetharan, "Enhancing the performance of hybrid Ti02/polymer multilayer solar cells by modifying the Ti02/polymer interface by single wall carbon nanotube", Solar Asia 2011
- T. Jaseetharan, K. Jeyakanthan, S. Satchithananthan, S. Sarathchandran,M. Senthilnanthanan,S. Sivaraya, P. Ravirajan, "Solid State Nanoporous TiO2 solar cells sensitized with natural dyes", 17th International Conference on Photochemical Conversion and Storage of Solar Energy, Sydney, Australia
- T. Jaseetharan, K. Jeyakanthan, S. Satchithananthan, M. Senthilnanthanan, S.Sivaraya S. Sarathchandran, P. Ravirajan, "Plant pigment sensitizers in Titanium dioxide based solar cells", Annual Sessions, Jaffna Science Association 1 (15) (2008) 53
- T. Jaseetharan, S. Sarathchandran, K. Jeyakanthan, M. Senthilnanthanan, S. Sivaraya, P. Ravirajan, "Utilization of Plant Pigments in Dye-Sensitized Nanoporous TiO2 Solar Cells:, National Conference on Advanced Materials for Emerging Technologies (NCAMET-2007)
- MAKL Dissanayake, JMKW Kumari, GKR Senadeera, T Jaseetharan, Janith Weerasinghe, Hafeez Anwar, "A low-cost, vein graphite/tin oxide nanoparticles based composite counter electrode for efficient dye-sensitized solar cells", Materials Science and Engineering: B, 273 (2021) 115440. https://doi.org/10.1016/j.mseb.2021.115440
- GKR Senadeera, WI Sandamali, MAKL Dissanayake, T Jaseetharan, VPS Perera, JCN Rajendra, N Karthikeyan, Lahiru A Wijenayaka, "Influence of citric acid linker molecule on photovoltaic performance of CdS quantum dots-sensitized TiO2 solar cells", Bulletin of Materials Science 44, 205 (2021). https://doi.org/10.1007/s12034-021-02497-0
- WI Sandamali, GKR Senadeera, MAKL Dissanayake, T Jaseetharan, VPS Perera, JCN Rajendra, Navaratnasamy Karthikeyan, LA Wijenayaka, "The effect of surface plasmon resonance on the photovoltaic properties of CdS quantum dot sensitized solar cells", Sri Lankan Journal of Physics 22 (2021) 71-79. https://sljp.sljol.info/articles/abstract/10.4038/sljp.v22i1.8095/
- GKR Senadeera, D Balasundaram, MAKL Dissanayake, BA Karunaratne, AMJS Weerasinghe, CA Thotawatthage, T Jaseetharan, JMKW Kumari, DLN Jayathilaka, "Efficiency enhancement in dye-sensitized solar cells with co-sensitized, triple layered photoanode by enhanced light scattering and spectral responses", Bulletin of Materials Science 44, 68 (2021). https://doi.org/10.1007/s12034-021-02365-x
- MAKL Dissanayake, T Jaseetharan, GKR Senadeera, BE Mellander, I Albinsson, M Furlani, JMKW Kumari, "Solid-state solar cells co-sensitized with PbS/CdS quantum dots and N719 dye and based on solid polymer electrolyte with binary cations and nanofillers", Journal of Photochemistry and Photobiology A: Chemistry 405 (2021) 112915. https://doi.org/10.1016/j.jphotochem.2020.112915
- UL Zainudeen, T Jaseetharan, "Optimizing the SILAR cycles for PbS/CdS quantum dots co-sensitized solar cells", Journal of Science-FAS-SEUSL 2(1) 2021, 25-31
- MAKL Dissanayake, JMKW Kumari, GKR Senadeera, T Jaseetharan, B-E Mellander, I Albinsson, M Furlani, "Polyaniline (PANI) mediated cation trapping effect on ionic conductivity enhancement in poly(ethylene oxide) based solid polymer electrolytes with application in solid state dye sensitized solar cells", Reactive and Functional Polymers 155 (2020), 104683. https://doi.org/10.1016/j.reactfunctpolym.2020.104683
- MAKL Dissanayake, T Liyanage, T Jaseetharan, GKR Senadeera, BS Dassanayake, "Effect of PbS quantum dot-doped polysulfide nanofiber gel polymer electrolyte on efficiency enhancement in CdS quantum dot-sensitized TiO2 solar cells", Electrochimica Acta, 347 (2020), 136311. https://doi.org/10.1016/j.electacta.2020.136311
- MAKL Dissanayake, T Jaseetharan, GKR Senadeera, JMKW Kumari, "Efficiency enhancement in PbS/CdS quantum dot-sensitized solar cells by plasmonic Ag nanoparticles", Journal of Solid State Electrochemistry volume 24, pages283–292 (2020). https://doi.org/10.1007/s10008-019-04420-4
- MAKL Dissanayake, T Jaseetharan, GKR Senadeera, JMKW Kumari, CA Thotawatthage, Bengt-Erik Mellander, I Albinson, Maurizio Furlani, "Highly efficient, PbS:Hg quantum dot–sensitized, plasmonic solar cells with TiO2 triple-layer photoanode", Journal of Solid State Electrochemistry volume 23, pages1787–1794 (2019). https://doi.org/10.1007/s10008-019-04280-y
- MAKL Dissanayake, T Jaseetharan, GKR Senadeera, CA Thotawatthage, "A novel, PbS: Hg quantum dot-sensitized, highly efficient solar cell structure with triple layered TiO2 photoanode", Electrochimica Acta, 269, 2018, 172-179. https://doi.org/10.1016/j.electacta.2018.02.140
- National conference on “Advanced materials for emerging technologies” (NCAMET -2007), University of Peradeniya, Sri Lanka, 21-22 July 2007
- 15th Annual sessions, Jaffna Science Association, Jaffna, Sri Lanka, 7-9 May 2008.
- International conference on "Solar energy materials, solar cells and solar energy applications", IFS, Kandy, Sri Lanka, 28-30 July 2011.
- Training program on "Industry Inspection & Report Writing" organized by Central Environmental Authority, Sri Lanka, 22-24 February 2012.
- Training workshop on "Environmental Impact Assessment" organized by Central Environmental Authority, Sri Lanka & Centre for Science and Environment, India, 20-23 March 2012.
- Training program on "Urban and Industrial Wastewater Treatment: Challenges, Options and Solutions" organized by Central Environmental Authority, Sri Lanka & Centre for Science and Environment, India, 18-21 December 2012.
- 2nd Annual Science Research Sessions - 2013 (ASRS - 2013) organized by Faculty of Applied Sciences, South Eastern University of Sri Lanka, 3rd December 2013.
- Workshop on "Thin film solar cells: Their technology and business potential for Sri Lanka" organized by Department of Physics, University of Jaffna and University of Illinois at Chicago, USA, 16-17 April 2014.
- 3rd Annual Science Research Sessions - 2014 (ASRS - 2014) organized by Faculty of Applied Sciences, South Eastern University of Sri Lanka, 12th November 2014.
- Workshop on "Writing a High Impact Research Article" organized by Young Scientists Forum, National Science and Technology Commission, Sri Lanka, 9th - 10th July 2015.
- Training seminar on "Scientific Measurements & Calculations" organized by College of Chemical Sciences, Institute of Chemistry Ceylon, Sri Lanka, 30th July 2015.
- President's Award for Scientific Publication, 2010.
- National Research Council Merit Award for Scientific Publication, 2012.
- Sri Lanka Association for the Advancement of Science (7907/E1(Life)).
- Institute of Physics, Sri Lanka.
- South Eastern University Teachers Association, Sri Lanka.