{"id":1931,"date":"2017-11-13T10:59:00","date_gmt":"2017-11-13T10:59:00","guid":{"rendered":"https:\/\/hrncet.jfn.ac.lk\/?page_id=1931"},"modified":"2025-10-17T09:29:20","modified_gmt":"2025-10-17T09:29:20","slug":"publications","status":"publish","type":"page","link":"https:\/\/hrncet.jfn.ac.lk\/index.php\/publications\/","title":{"rendered":"Publications"},"content":{"rendered":"

Journals (SCI)<\/strong><\/p>\n

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  1. Peter Amalathas, A.; Selvadurai, L.; Landov\u00e1, L.; Neykova, N.; Holovsk\u00fd, J. Polymer-Assisted Crystallization and Defect Passivation in Planar Wide-Bandgap FAPbBr3 Perovskite Solar Cells. ACS Omega <\/em>2025<\/strong>, doi:10.1021\/acsomega.5c04987.<\/a> Scopus, SCI expanded, Impact Factor: 4.1(Q1)<\/span><\/strong><\/li>\n
  2. Rajaramanan, T.; Umayangani Weerasinghe, M.I.; Kumara, G.R.A.; Senthilnanthanan, M.; Ravirajan, P.; Velauthapillai, D. Palmyrah Seed-Derived Activated Charcoal\/TiO2 Composites as a Counter Electrode for Dye-Sensitized Solar Cells. ACS Omega <\/em>2025<\/strong>, doi:10.1021\/acsomega.4c09967.<\/a> Scopus, SCI expanded, Impact Factor: 4.1(Q1)<\/span><\/strong><\/li>\n
  3. Shanmugaratnam, S.; Srinivasan, S.; Yuvakkumar, R.; Oltedal, V.M.; Ravirajan, P.; Shivatharsiny, Y.; Velauthapillai, D. MS2<\/sub>\/TiO2<\/sub> (M = Co, Sn and Ni) electrodes for electrocatalytic and photocatalytic water splitting. Fuel <\/em>2025<\/strong>, 385<\/em>, 134101.<\/a> Scopus, SCI expanded, Impact Factor: 7.5(Q1)<\/span><\/strong><\/li>\n
  4. Shanmugaratnam, S.; Ravirajan, P.; Shivatharsiny, Y.; Velauthapillai, D. Green hydrogen production through photocatalytic seawater splitting on MS2\/TiO2<\/sub> (M= Ni\/Co\/Sn) nanocomposites over simulated solar irradiation. International Journal of Hydrogen Energy <\/em>2024<\/strong>, 91<\/em>, 673-682.<\/a> Scopus, SCI expanded, Impact Factor: 6.733(Q1)<\/span><\/strong><\/li>\n
  5. Weerasinghe, M.; Kumarage, P.; Amarathunga, I.; Bandara, T.; Velauthapillai, D.; Karunarathne, B.; Punniamoorthy, R.; Rajapakse, R.; Kumara, G. Active carbon derived from rice husk as sustainable substitutes for costly platinum electrodes in dye-sensitized solar cells. Journal of Science: Advanced Materials and Devices <\/em>2024<\/strong>, 9<\/em>, 100749.<\/a> Scopus, SCI expanded, Impact Factor: 6.924(Q1)<\/span><\/strong><\/li>\n
  6. Dissanayake, M.; Paramanathan, K.; Senadeera, G.; Thotawattage, C.; Balashangar, K.; Ravirajan, P.; Dassanayake, B. Optical transmission and photoconductivity of chemical bath-deposited CdS thin films for optoelectronic applications. Thin Solid Films <\/em>2024<\/strong>, 791<\/em>, 140225.<\/a> Scopus, SCI expanded, Impact Factor: 2.306(Q2)<\/span><\/strong><\/li>\n
  7. Wanniarachchi, W.C.P.; Eidsv\u00e5g, H.; Arunasalam, T.; Ravirajan, P.; Velauthapillai, D.; Vajeeston, P. Deep insight into structural and optoelectronic properties of mixed anion perovskites. Materials Research Express <\/em>2024<\/strong>, 11<\/em>, 025901.<\/a> Scopus, SCI expanded, Impact Factor: 1.992(Q2)<\/span><\/strong><\/li>\n
  8. Shanmugaratnam, S.; Ravirajan, P.; Yohi, S.; Velauthapillai, D. Well-Separated Photoinduced Charge Carriers on Hydrogen Production Using NiS2<\/sub>\/TiO2<\/sub> Nanocomposites. ACS omega <\/em>2023<\/strong>, 9<\/em>, 1627-1633.<\/a> Scopus, SCI expanded, Impact Factor: 3.181(Q2)<\/span><\/strong><\/li>\n
  9. Rajaramanan, T.; Heidari Gourji, F.; Elilan, Y.; Yohi, S.; Senthilnanthanan, M.; Ravirajan, P.; Velauthapillai, D. Natural sensitizer extracted from Mussaenda erythrophylla for dye-sensitized solar cell. Scientific Reports <\/em>2023<\/strong>, 13<\/em>, 13844.<\/a> Scopus, SCI expanded, Impact Factor: 4.996(Q1)<\/span>.<\/strong><\/li>\n
  10. Rajaramanan, T.; Keykhaei, M.; Gourji, F.H.; Ravirajan, P.; Senthilnanthanan, M.; Frette, \u00d8.; Velauthapillai, D. Eco-friendly Egyptian blue (CaCuSi4<\/sub>O10<\/sub>) dye for luminescent solar concentrator applications. Materials Advances <\/em><\/a>2023. Scopus, SCI expanded, Impact Factor: 3.181(Q1)<\/span><\/strong><\/li>\n
  11. Rajaramanan, T.; Velauthapillai, D.; Ravirajan, P.; Senthilnanthanan, M. A facile impregnation synthesis of Ni-doped TiO2<\/sub> nanomaterials for dye-sensitized solar cells. Journal of Materials Science: Materials in Electronics <\/em>2023<\/strong>, 34<\/em>, 916.<\/a> Scopus, SCI expanded, Impact Factor: 2.779(Q2)<\/span><\/strong><\/span><\/li>\n
  12. Rajaramanan, T.; Heidari Gourji, F.; Velauthapillai, D.; Ravirajan, P.; Senthilnanthanan, M. Enhanced Photovoltaic Properties of Dye-Sensitized Solar Cells through Ammonium Hydroxide-Modified (Nitrogen-Doped) Titania Photoanodes. International Journal of Energy Research <\/em>2023<\/strong>, 2023<\/em>, 1090174.<\/a> Scopus, SCI expanded, Impact Factor: 4.672(Q1)<\/span>.<\/strong><\/span><\/li>\n
  13. Thivakarasarma, T.<\/span><\/a>;<\/a> Lakmal, A. A. I.;<\/a> Dassanayake, B. S.;<\/a> Velauthapillai, D.;<\/a> Ravirajan, P.\u00a0 Thermally Evaporated Copper Iodide Hole-Transporter for Stable CdS\/CdTe Thin-Film Solar Cells. Nanomaterials<\/em> 2022<\/strong>, 12(14). <\/span>Scopus, SCI expanded, Impact Factor: 5.719(Q1)<\/span>.<\/strong><\/span><\/li>\n
  14. Abiram, G.; Thanihaichelvan, M.; Ravirajan, P.; Velauthapillai, D. Review on Perovskite Semiconductor Field-Effect Transistors and Their Applications. Nanomaterials <\/em>2022<\/strong>, 12<\/em>, 2396.<\/a>\u00a0Scopus, SCI expanded, Impact Factor: 5.719(Q1)<\/span>.<\/strong><\/li>\n
  15. Chapa Pamodani Wanniarachchi, W.A.; Eidsv\u00e5g, H.; Arunasalam, T.; Ravirajan, P.; Velauthapillai, D.; Vajeeston, P. Cs2<\/sub>AgBiBr6<\/sub> as a mixed anion perovskites for photovoltaic applications: A first-principle study. Materials Today: Proceedings <\/em><\/a>2022.\u00a0Scopus, SCI expanded, Impact Factor: 1.46.<\/strong><\/li>\n
  16. Mohandas, P.<\/span><\/a>;<\/a> Anni, J. S.;<\/a> Hasikin, K.;<\/a> Velauthapillai, D.<\/span><\/a>;<\/a> Raj, V.;<\/a> Murugathas, T.;<\/a> Azizan, M. M.<\/span><\/a>;<\/a>\u00a0Thanasekaran, R.\u00a0 Machine Learning Approach Regarding the Classification and Prediction of Dog Sounds: A Case Study of South Indian Breeds. Applied Sciences (Switzerland)<\/em> 2022<\/a><\/strong>, 12(20).Scopus, SCI expanded, Impact Factor: 2.838(Q2)<\/span>.<\/strong><\/span><\/li>\n
  17. Murugathas, T.<\/b><\/a>;<\/a><\/b> Veena, R.;<\/a> Plank, N. O. V;<\/a> Keerththinaathan, P.;<\/a> Petra, I.;<\/a>\u00a0Mohandas, P. Prediction of Electronic parameters of Carbon Nanotube random network Field-effect Transistors under liquid gated conditions using a machine learning approach. 2022 IEEE International Conference on Nanoelectronics, Nanophotonics, Nanomaterials, Nanobioscience and Nanotechnology, 5NANO<\/em> 2022<\/strong>.<\/span><\/li>\n
  18. Kajana, T.; Pirashanthan, A.; Velauthapillai, D.; Yuvapragasam, A.; Yohi, S.; Ravirajan, P.; Senthilnanthanan, M. Potential transition and post-transition metal sulfides as efficient electrodes for energy storage applications: review. RSC Advances <\/em>2022<\/strong>, 12<\/em>, 18041-18062.<\/a>\u00a0Scopus, SCI expanded, Impact Factor: 4.036(Q1)<\/span>.<\/strong><\/li>\n
  19. Pirashanthan, A.; Kajana, T.; Velauthapillai, D.; Shivatharsiny, Y.; Bentouba, S.; Ravirajan, P. Roles of Interfacial Modifiers in Inorganic Titania\/Organic Poly(3-hexylthiophene) Heterojunction Hybrid Solar Cells. Nanomaterials <\/em>2022<\/strong>, 12.<\/em><\/a>\u00a0Scopus, SCI expanded, Impact Factor: 5.719(Q1)<\/span>.<\/strong><\/li>\n
  20. Abiram, G.; Gourji, F.H.; Pitchaiya, S.; Ravirajan, P.; Murugathas, T.; Velauthapillai, D. Air processed Cs2<\/sub>AgBiBr6<\/sub> lead-free double perovskite high-mobility thin-film field-effect transistors. Scientific Reports <\/em>2022<\/strong>, 12<\/em>, 2455<\/a>.\u00a0Scopus, SCI expanded, Impact Factor: 4.996(Q1)<\/span>.<\/strong><\/li>\n
  21. Kajana, T.; Pirashanthan, A.; Yuvapragasam, A.; Velauthapillai, D.; Ravirajan, P.; Senthilnanthanan, M. Bimetallic AC\/Ag2CrO4\/SnS heterostructure photoanode for energy conversion and storage: A self-powered Photocapacitor. J. Power Sources<\/em> 2022<\/strong>, 520<\/em>, 230883.<\/a>\u00a0Scopus, SCI expanded, Impact Factor: 9.794(Q1)<\/span>.<\/strong><\/li>\n
  22. Shanmugaratnam, S.; Yogenthiran, E.; Koodali, R.; Ravirajan, P.; Velauthapillai, D.; Shivatharsiny, Y. Recent Progress and Approaches on Transition Metal Chalcogenides for Hydrogen Production. Energies<\/em> 2021<\/strong>, 14<\/em>, 8265<\/a>.\u00a0Scopus,\u00a0SCI expanded,\u00a0Impact Factor: 3.252(Q1)<\/span>.<\/strong><\/li>\n
  23. Bentouba, S.; Bourouis, M.; Zioui, N.; Pirashanthan, A.; Velauthapillai, D. Performance assessment of a 20 MW photovoltaic power plant in a hot climate using real data and simulation tools. Energy Reports<\/em> 2021<\/strong>, 7<\/em>, 7297\u20137314.<\/a>\u00a0 Scopus,\u00a0SCI expanded,\u00a0Impact Factor: 4.937(Q1)<\/span>.<\/strong><\/li>\n
  24. Pirashanthan, A.; Velauthapillai, D.; Robertson, N.; Ravirajan, P. Lithium doped poly (3-hexylthiophene) for efficient hole transporter and sensitizer in metal free quaterthiophene dye treated hybrid solar cells. Sci. Rep.<\/em> 2021<\/strong>, 11<\/em>, 1\u20138.<\/a>\u00a0Scopus,\u00a0SCI expanded,\u00a0Impact Factor: 4.996(Q1)<\/span>.<\/strong><\/li>\n
  25. Pirashanthan, A.; Thanihaichelvan, M.; Mariappan, K.; Dhayalan, V.; Ravirajan, P.; Yohi, S. Synthesis of a carboxylic acid-based ruthenium sensitizer and its applicability towards Dye-Sensitized Solar Cells. Sol. Energy<\/em> 2021<\/strong>, 225<\/em>, 399\u2013406.\u00a0<\/a>Scopus,\u00a0SCI expanded,\u00a0Impact Factor: 7.188(Q1)<\/span>.<\/strong><\/li>\n
  26. Rajaramanan, T.; Kumara, G.R.A.; Velauthapillai, D.; Ravirajan, P.; Senthilnanthanan, M. Materials Science in Semiconductor Processing Ni \/ N co-doped P25 TiO2 photoelectrodes for efficient Dye-Sensitized Solar Cells. Mater. Sci. Semicond. Process.<\/em> 2021<\/strong>, 135<\/em>, 106062.\u00a0<\/a>Scopus,\u00a0SCI expanded,\u00a0Impact Factor: 4.644(Q1)<\/span>.<\/strong><\/li>\n
  27. Rajaramanan, T.; Shanmugaratnam, S.; Gurunanthanan, V.; Yohi, S.; Velauthapillai, D.; Ravirajan, P.; Senthilnanthanan, M. Cost Effective Solvothermal Method to Synthesize Zn-Doped TiO2<\/sub>Nanomaterials for Photovoltaic and Photocatalytic Degradation Applications.\u00a0Catalysts<\/em>2021<\/strong>,\u00a011<\/em>, 690.<\/a>\u00a0Scopus,\u00a0SCI expanded,\u00a0<\/strong>Impact Factor: 4.501(Q2)<\/span>.<\/strong><\/li>\n
  28. Shanmugaratnam,S.; Selvaratnam,B; Baride,A.; Koodali,R; Ravirajan,P.; Velauthapillai,P.; Shivatharsiny,Y. SnS2<\/sub>\/TiO2<\/sub> Nanocomposites for Hydrogen Production and Photodegradation under Extended Solar Irradiation; Catalysts 2021<\/strong>, 11, 589.<\/a>\u00a0Scopus,\u00a0SCI expanded,\u00a0<\/strong>Impact Factor: 4.501(Q2)<\/span>.<\/strong><\/li>\n
  29. Kajana, T.; Velauthapillai, D.; Shivatharsiny, Y.; Ravirajan, P.; Yuvapragasam, A.; Senthilnanthanan, M. Structural and photoelectrochemical characterization of heterostructured carbon sheet\/Ag2MoO4-SnS\/Pt photocapacitor.\u00a0Journal of Photochemistry and Photobiology A: Chemistry\u00a0<\/em>2020<\/strong>,\u00a0401<\/em>, 112784<\/a>.\u00a0Scopus,\u00a0SCI expanded,\u00a0<\/strong>Impact Factor: 5.141(Q1)<\/span>.<\/strong><\/li>\n
  30. Siva, U.; Murugathas, T.; Yohi, S.; Natarajan, M.; Velauthapillai, D.; Ravirajan, P. Single walled carbon nanotube incorporated Titanium dioxide and Poly(3-hexylthiophene) as electron and hole transport materials for perovskite solar cells.\u00a0Materials Letters\u00a0<\/em>2020<\/strong>,\u00a0276<\/em>, 128174.<\/a>Scopus,\u00a0SCI expanded,\u00a0Impact Factor:\u00a03.574(Q1)<\/span>.<\/strong><\/li>\n
  31. Pirashanthan, A.; Murugathas, T.; Mariappan, K.; Ravirajan, P.; Velauthapillai, D.; Yohi, S. A Multifunctional Ruthenium based Dye for Hybrid Nanocrystalline Titanium dioxide\/Poly (3-hexylthiophene) Solar Cells.\u00a0Materials Letters\u00a0<\/em>2020<\/strong>, 127997.\u00a0<\/a>Scopus,\u00a0SCI expanded,\u00a0Impact Factor: 3.574(Q1)<\/span>.<\/strong><\/li>\n
  32. Pitchaiya, S.; Eswaramoorthy, N.; Natarajan, M.; Santhanam, A.; Asokan, V.; Ramakrishnan, V.M.; Rangasamy, B.; Sundaram, S.; Ravirajan, P.; Velauthapillai, D. perovskite Solar cells: A porous Graphitic carbon based Hole transporter\/counter electrode Material extracted from an invasive plant Species Eichhornia Crassipes.\u00a0Scientific Reports\u00a0<\/em>2020<\/strong>,\u00a010<\/em>, 1-16.\u00a0<\/a>Scopus,\u00a0SCI expanded,\u00a0<\/strong>Impact Factor: 4.996(Q1)<\/span>.<\/strong><\/li>\n
  33. Rajaramanan, T.; Natarajan, M.; Ravirajan, P.; Senthilnanthanan, M.; Velauthapillai, D. Ruthenium (Ru) doped Titanium Dioxide (P25) Electrode for Dye Sensitized Solar Cells.\u00a0Energies\u00a0<\/em>2020<\/strong>,\u00a013<\/em>, 1532.<\/a>\u00a0Scopus,\u00a0SCI expanded,\u00a0<\/strong>Impact Factor: 3.252(Q1)<\/span>.<\/strong><\/li>\n
  34. Prabavathy, N.; Balasundaraprabhu, R.; Balaji, G.; Malikaramage, A.; Prasanna, S.; Sivakumaran, K.; Kumara, G.; Rajapakse, R.; Velauthapillai, D. Investigations on the photo catalytic activity of calcium doped TiO2<\/sub>photo electrode for enhanced efficiency of anthocyanins based dye sensitized solar cells.\u00a0Journal of Photochemistry and Photobiology A: Chemistry\u00a0<\/em>2019<\/strong>,\u00a0377<\/em>, 43 57<\/a>.\u00a0Scopus,\u00a0SCI expanded,\u00a0<\/strong>Impact Factor: 5.141(Q1)<\/span>.<\/strong><\/li>\n
  35. Fernando, H.; Raveendran, P.; Christy, A.A.; Dhayalan, V. Water Adsorption Properties of Titanium (IV) Oxide Embedded in Multiwalled Carbon Nanotubes (CNT).\u00a0In Proceedings of Key Engineering Materials<\/em>; pp. 182-186.\u00a0<\/a>Impact Factor:0.49<\/strong><\/li>\n
  36. Pirashanthan, A.; Murugathas, T.; Robertson, N.; Ravirajan, P.; Velauthapillai, D. A Quarterthiophene-Based Dye as an Efficient Interface Modifier for Hybrid Titanium Dioxide\/Poly (3-hexylthiophene)(P3HT) Solar Cells.\u00a0Polymers\u00a0<\/em>2019<\/strong>,\u00a011<\/em>, 1752.\u00a0<\/a>Scopus,\u00a0SCI expanded,\u00a0Impact Factor: 4.967(Q1)<\/span>.<\/strong><\/li>\n
  37. Shanmugaratnam, S.; Velauthapillai, D.; Ravirajan, P.; Christy, A.A.; Shivatharsiny, Y. CoS2<\/sub>\/ TiO2<\/sub>Nanocomposites for Hydrogen Production under UV Irradiation.\u00a0Materials\u00a0<\/em>2019<\/strong>,\u00a012<\/em>, 3882.<\/a>\u00a0Scopus,\u00a0SCI expanded,\u00a0<\/strong>Impact Factor: 3.748(Q2)<\/span>.<\/strong><\/li>\n
  38. Thanihaichelvan, M.; Loheeswaran, S.; Balashangar, K.; Velauthapillai, D.; Ravirajan, P. Polymer\/Fullerene Blend Solar Cells with Cadmium Sulfide Thin Film as an Alternative Hole-Blocking Layer.\u00a0Polymers\u00a0<\/em>2019<\/strong>,\u00a011<\/em>, 460.\u00a0<\/a>Scopus,\u00a0SCI expanded,\u00a0Impact Factor: 4.967(Q1)<\/span>.<\/strong><\/li>\n
  39. Uthayaraj, S.; Karunarathne, D.; Kumara, G.; Murugathas, T.; Rasalingam, S.; Rajapakse, R.; Ravirajan, P.; Velauthapillai, D. Powder Pressed Cuprous Iodide (CuI) as A Hole Transporting Material for Perovskite Solar Cells.\u00a0Materials\u00a0<\/em>2019<\/strong>,\u00a012<\/em>, 2037.\u00a0<\/a>Scopus,\u00a0SCI expanded,\u00a0<\/strong>Impact Factor: 3.748(Q2)<\/span>.<\/strong><\/li>\n
  40. Balashangar, K.; Paranthaman, S.; Thanihaichelvan, M.; Amalraj, P.; Velauthapillai, D.; Ravirajan, P. Multi-walled carbon nanotube incorporated nanoporous titanium dioxide electrodes for hybrid polymer solar cells.\u00a0Materials Letters\u00a0<\/em>2018<\/strong>,\u00a0219<\/em>, 265-268.<\/a>Scopus,\u00a0SCI expanded,\u00a0Impact Factor: 3.574(Q1)<\/span>.<\/strong><\/li>\n
  41. Karunanantharajah, P.; Thuraisamykurukkal, T.; Punniamoorthy, R.; Planells, M.; Robertson, N.; Nelson, J. Enhancement of hole-mobility in Hybrid Titanium Dioxide\/Poly (3-hexylthiophene) Nanocomposites by Employing an Oligothiophene dye as Interface Modifier.Journal of Materials Chemistry<\/em>C,\u00a0<\/em>2017<\/strong>\u00a0, 5\u00a0(45), 11758-11762.<\/a>\u00a0Scopus,\u00a0SCI expanded,\u00a0Impact Factor: 8.067(Q1)<\/span>.<\/strong><\/li>\n
  42. Thanihaichelvan, M.; Kodikara, M.M.P.S.; Ravirajan, P.; Velauthapillai, D. Enhanced performance of nanoporous titanium dioxide solar cells using cadmium sulfide and poly (3-hexylthiophene) co-sensitizers.\u00a0Polymers\u00a0<\/em>2017<\/strong>,\u00a09<\/em>, 467.\u00a0<\/a>Scopus,<\/strong>SCI expanded,<\/strong>\u00a0Impact Factor:<\/strong> 4.967<\/strong>(Q1)<\/span>.<\/strong><\/li>\n<\/ol>\n
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    SCImago Journal Rank<\/strong><\/div>\n
    Q1<\/strong> – First quartile (0 – 25%)<\/div>\n
    Q2<\/strong> – Second quartile (25%-50%)<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n


    \nConference Articles<\/strong><\/p>\n

      \n
    1. Sivagowri, S.; Ravirajan, P.; Shivatharsiny, R; Velauthapillai, D. \u201cGreen Hydrogen Production via<\/em> NiCo2S4\/TiO2 Nanocomposites under Prolonged Solar Irradiation\u201d, Proceeding of Advanced Materials for Clean Energy and Health Applications (AMCEHA-2025), Jaffna, Sri Lanka 27-28 Mar 2025.<\/li>\n
    2. Sivagowri, S.; Mark Chalupa.; Shivatharsiny, R; Velauthapillai, D. Enhancing Solar-to-Hydrogen Conversion: SnSx\/SrTiO3 Nanocomposites for Efficient Photocatalysis\u201d, Proceeding of Advanced Materials for Clean Energy and Health Applications (AMCEHA-2025), Jaffna, Sri Lanka 27-28 Mar 2025.<\/li>\n
    3. Kobika, V.; Sivagowri, S; Velauthapillai, D. \u201cSynthesis and characterization of samarium tungstate as electrocatalyst for hydrogen evolution reaction\u201d, Proceeding of Advanced Materials for Clean Energy and Health Applications (AMCEHA-2025), Jaffna, Sri Lanka 27-28 Mar 2025.<\/li>\n
    4. Sivagowri S,\u00a0 Ravirajan P, \u00d8yvind F, Yohi S, Dhaylan V; Green Hydrogen Production from pure and salt water using NiS2<\/sub>\/TiO2\u00a0<\/sub>photocatalyts,\u00a0TNNN\u00a0Conference,\u00a0University of South-Eastern Norway, Vestfold, 21 June – 23<\/li>\n
    5. Shanmugaratnam, S.; <\/span>Ravirajan, P.; <\/span>Dhayalan, V.; Yohi, S. “NiS<\/span>2<\/span>\/TiO<\/span>2<\/span> nanocomposites for photocatalytic hydrogen production under extended solar irradiation”,<\/span> 26<\/span><\/i>th<\/span><\/i> Annual Technological Advances in Science, Medicine and Engineering International Conference <\/span><\/i>(TASME-2022),<\/span><\/i>Virtual, 27-28 August 2022.<\/span><\/li>\n
    6. Suthajini, T.; Kajana, T.; <\/span>Dhayalan, V.; <\/span>Yohi, S. “Multiwalled Carbon nanotube\/Natural Polymer\/SnO<\/span>2<\/span> composite electrode for microbial fuel cell”,<\/span> 26<\/span><\/i>th<\/span><\/i> Annual Technological Advances in Science, Medicine and Engineering International Conference (TASME-2022),<\/span><\/i>Virtual, 27-28 August 2022.<\/span><\/li>\n
    7. Wanniarachchi, W.C.P.; Eidsv\u00e5g, H.; <\/span>Thevakaran, A.; Ravirajan, P.; <\/span>Velauthapillai, D; Vajeeston, P. “First principle investigations of Cesium based lead free inorganic double perovskites”, <\/span>26<\/span><\/i>th<\/span><\/i> Annual <\/span><\/i>Technological Advances in Science, Medicine and Engineering Conference(TASME-2022)<\/em>, Virtual, 27-28 August 2022.<\/li>\n
    8. Senevirathna, H.M.C.U.; Rajaramanan, T.; Dhayalan,V.; Ravirajan,P. ” Natural dyes extracted from Catharanthus flower petals for dye-sensitized solar cells application”, Undergraduate Research Symposium, 2022 (URS 2022)<\/em>, University of Jaffna, Sri Lanka, 17th<\/sup> February 2022.<\/li>\n
    9. Gunasekara, M.S.S.; Thivakarasarma,T.; Dhayalan,V.; Ravirajan,P. ”In\ufb02uenceof post-annealing temperature on the properties of thermally evaporated\u00a0CuIthin\u00a0film”, Undergraduate Research Symposium, 2022 (URS 2022)<\/em>, University of Jaffna, Sri Lanka, 17th<\/sup> February 2022.<\/li>\n
    10. \u00a0Rajaramanan, T.; Dhayalan,V.; Ravirajan,P.; Senthilnanthanan, M. “Facile synthesis of Ni-doped, N-doped and Ni\/N co-doped TiO2<\/sub> nanomaterials for DSSC application”, Functional mAterials for eneRgy, environment, And biOmedical applicatioNs, 2022 (FARAON – 2022),<\/em> Madurai Kamaraj University, India, Virtual, 2-4, February 2022.<\/li>\n
    11. Kajana, T.; Pirashanthan, A.; Velauthapillai, D.; Ravirajan, P.; Senthilnanthanan, M. “Electrochemical performance of supercapacitor based on Silver Molybdate electrode”, Functional mAterials for eneRgy, environment, And biOmedical applicatioNs, 2022 (FARAON – 2022)<\/em>, Madurai Kamaraj University, India, Virtual, 2-4, February 2022.<\/li>\n
    12. Sivagowri,S.; Swathi,S.; Elilan, Y.; Yuvakkumar,R.; Ravirajan, P.; Dhayalan, V.; Yohi, S.; “Electrochemical water oxidation of Metal chalcogenide (MS2<\/sub>.; M=Co, Ni, Sn) embedded TiO2<\/sub> nanocomposite”, Functional mAterials for eneRgy, environment, And biOmedical applicatioNs, 2022 (FARAON – 2022)<\/em>, Madurai Kamaraj University, India, Virtual, 2-4, February 2022.<\/li>\n
    13. Sivagowri,S.; Ravirajan, P.; Dhayalan, V.; Yohi, S.; \u201cPhotocatalytic hydrogen production through water-splitting on Metalchalcogenide materials combined with TiO2<\/sub>\u201d,\u00a0Technological Advances in Science, Medicine and Engineering Conference(TASME-2021)<\/em>, Virtual, 3-4 July 2021.<\/li>\n
    14. Mohanaramanan,T.; Thivakarasarma,T.; Kumarasinghe,R.G.; Dassanayake,B.S.; Dhayalan,V.; Ravirajan,P. ”Influence of Annealing time for spray coated CdCl2<\/sub>on CdS\/CdTe thin-film solar cells”, Technological Advances in Science, Medicine and Engineering Conference(TASME-2021)<\/em>, Virtual, 3-4 July 2021.<\/li>\n
    15. Rajaramanan,T.; Thivasen, J.; Gurunanthanan, V.; Yohi, S.; Velauthapillai, D.; Ravirajan, P.; Senthilnanthanan, M. \u201cSelected Transition Metals (Zn, Ni, Ru) Doped TiO2<\/sub> Photoanodes for Dye Sensitized Solar Cells\u201d,\u00a0Technological Advances in Science, Medicine and Engineering Conference 2021(TASME2021)<\/em>, Virtual, 2-4 July 2021.<\/li>\n
    16. Gurunanthanan, V.; Rajaramanan,T.<\/strong>; Velauthapillai, D.; Ravirajan, P.; Senthilnanthanan, M. \u201cFacile fabrication of nitrogen-doped Titanium dioxide-based dye-sensitized solar cells\u201d, Undergraduate Research Symposium, 2021 (URS 2021)<\/em>, University of Jaffna, Sri Lanka, 29th<\/sup>January 2021.<\/li>\n
    17. Ekanayaka,E.; Senthuran,K.; Somajayan,DP.; Piyasena,K.; Vignarooban,K.; Senthuran,S; Thevakaran,A; Ravirajan,P. \u201cDesign and feasibility study of parabolic trough concentrated solar power water heater for domestic use in Sri Lanka\u201d, Undergraduate Research Symposium, 2021 (URS 2021)<\/em>, University of Jaffna, Sri Lanka, 29th<\/sup>January 2021.<\/li>\n
    18. Risendiralingam,R.;Uthayaraj,S.;Thanihaichelvan,M.;Piyasena,K.;Velauthapillai,D.;Ravirajan,P. \u201cEffect of Nickel doping in P3HT hole transporting material on the performance of perovskite solar cells\u201d, Undergraduate Research Symposium, 2021 (URS 2021)<\/em>, University of Jaffna, Sri Lanka, 29th<\/sup>January 2021.<\/li>\n
    19. Kajana, T.; Yuvapragasam, A.; Rasalingam, S.; Velauthapillai, D.; Ravirajan, P.; Senthilnanthanan, M. A Novel Heterostructured Ag2<\/sub>CrO4<\/sub>: SnS Nanomaterial for Energy Conversion & Storage, International Conference on Chemistry and Pharmaceutical Chemistry, Scientific Meditech, London, 12th<\/sup> March, 2021.<\/li>\n
    20. Kajana, T.; Velauthapillai, D.; Shivatharsiny, Y.; Ravirajan, P.; Yuvapragasam,\u00a0A.; Senthilnanthanan, M. \u201cActivated Carbon \/Ag2MoO4-SnS heterostructured photocapacitor for solar energy harvest and storage\u2019\u2019, International virtual conference on recent trends in energy materials (INCRTEM 2020)<\/em>, Thamil Nadu, India, 9-11 September 2020.<\/li>\n
    21. Thivasen, J.; Rajaramanan, T.; Gurunanthanan, V.; Pirashanthan, A.; Velauthapillai, D.; Ravirajan, P.; Senthilnanthanan, M. \u201cNickel doped P25-TiO2<\/sub> photoanode for Dye Sensitised Solar cells\u2019\u2019, International virtual conference on recent trends in energy materials (INCRTEM 2020)<\/em>, Thamil Nadu, India, 9-11 September 2020.<\/li>\n
    22. Shanmugaratnam, S.; Selvaratnam, B.; Baride, A.; Koodali, R.; Ravirajan, P.; Velauthapillai, D.; Shivatharsiny, Y. \u201cImpact of SnS2<\/sub>-TiO2<\/sub> nanocomposites on photocatalytic hydrogen evolution over extended solar irradiation\u2019\u2019, International virtual conference on recent trends in energy materials (INCRTEM 2020)<\/em>, Thamil Nadu, India, 9-11 September 2020.<\/li>\n
    23. Kajana, T.; Velauthapillai, D.; Shivatharsiny, Y.; Ravirajan, P.; Yuvapragasam, A.; Senthilnanthanan, M. A Novel Heterostructured Ag2<\/sub>CrO4<\/sub>\u00a0: SnS Nanomaterial for Energy Conversion &amp; Storage,\u00a0International Conference on Chemistry and Phamaceutical Chemistry,<\/em>\u00a0London, 22-23 June 2020.<\/li>\n
    24. Kajana, T.; Velauthapillai, D.; Shivatharsiny, Y.; Ravirajan, P.; Yuvapragasam, A.; Senthilnanthanan, M. Structural and photoelectrochemical characterization of heterostructured Ag2<\/sub>MoO4<\/sub>-SnS2<\/sub>coated carbon sheet photocapacitor,\u00a0Proceedings of the International Conference on Advanced Materials for Clean Energy and Health Applications (AMCEHA-2019),<\/em>\u00a0Jaffna, Sri Lanka, 6-8 February 2019.<\/li>\n
    25. Sivagowri, S.; Velauthapillai, D.; Ravirajan, P.; Christy, A.A.; Yohi, S. Impact of CoS2<\/sub>\/TiO2<\/sub>nanocomposite on Photocatalytic Degradation and Hydrogen production: A synergistic approach under extended solar irradiation,\u00a0International Conference on Chemistry and Phamaceutical Chemistry,<\/em>\u00a0London, 22-23 June 2020.<\/li>\n
    26. Sivagowri, S.; Ravirajan, P.; Velauthapillai, D.; Christy, A. A.; Shivatharsiny, R. Cobalt disulfide embedded TiO2<\/sub>nanocomposites for hydrogen production under UV irradiation,\u00a0Proceeding of Advanced Materials for Clean Energy and Health Applications (AMCEHA-2019),\u00a0<\/em>Jaffna, Sri Lanka, 6-8 February 2019.<\/li>\n
    27. Malikaramge, A.S.; Rajapakshe, D.; Rjapakse, R.M.G.; Kumara, G. R. A.; \u00a0Velauthapillai, D.; Ravirajan,\u00a0P. Synthesis and characterization of Silver deposited Iridium doped TiO2<\/sub>Nano composites and their applications in photon up conversion,\u00a0Proceeding of Advanced Materials for Clean Energy and Health Applications (AMCEHA-2019),<\/em>\u00a0Jaffna, , Sri Lanka, 6-8 February 2019.<\/li>\n
    28. Pirashanthan,A.; Suganya, S.; Thanihaichelvan, M.; Robertson, N.; Velauthapillai, D.; Ravirajan, P. Efficient Hybrid Titanium dioxide \/ Poly-3-hexylthiophene Solar Cells using an oligothiophene dye as an interface modifier,\u00a0Proceeding of Advanced Materials for Clean Energy and Health Applications (AMCEHA-2019),\u00a0<\/em>Jaffna, , Sri Lanka, 6-8 February 2019.<\/li>\n
    29. Rajaramanan,T.; Velauthapillai, D.; Ravirajan, P.; Senthilnanthanan, M. Enhancing the performance of dye sensitized solar cells using Ru-doped TiO2<\/sub>electrode,\u00a0Proceeding of Advanced Materials for Clean Energy and Health Applications (AMCEHA-2019)<\/em>, Jaffna, , Sri Lanka, 6-8 February 2019.<\/li>\n
    30. Tharmalingam, S.; Uthayaraj, S.; Pirashanthan, A.; Shivatharsiny, R.; Velauthapillai, D.; Ravirajan, P.Optimizing the performance of perovskite solar cells by varying active layer thickness,\u00a0Proceeding of Advanced Materials for Clean Energy and Health Applications (AMCEHA-2019)<\/em>, Jaffna, Sri Lanka, 6-8 February 2019.<\/li>\n
    31. Ubeysekara, Malikaramage, A.S.; Ramakrishnan, V.; G. Rajapakshe, R.M.G.; \u00a0Velauthapillai, D.; Ravirajan, P.; Silver nanoparticles-decorated visible light responsive titania nano-rods for Dye Sensitized Solar Cells,\u00a0Proceeding of Advanced Materials for Clean Energy and Health Applications (AMCEHA-2019),<\/em>Jaffna, Sri Lanka, 6-8 February 2019.<\/li>\n
    32. Shivatharsiny, R.; \u00a0Pirashanthan, A.; Thanihaichelvan, M.; Mariappan, K.; Velauthapillai, D.; Ravirajan, P. Multifunctionality of novel Ruthenium Dye (RuC) as an interface modifier for Nanocrystalline TiO2\/Poly (3-hexylthiophene) hybrid Solar Cells,\u00a0Proceeding of Advanced Materials for Clean Energy and Health Applications (AMCEHA-2019),<\/em>Jaffna, Sri Lanka, 6-8 February 2019.<\/li>\n
    33. Kumari, Mohanaramanan, T.; Atapattu, H.; De Silva, S.; Ravirajan,\u00a0P. Alternative back contact materials for CdS\/CdTe thin film solar cells,\u00a0Proceeding of Advanced Materials for Clean Energy and Health Applications (AMCEHA-2019),<\/em>Jaffna, Sri Lanka, 6-8 February 2019.<\/li>\n
    34. Uthayaraj, S.; Shivatharsiny, R.; Selvakumar, P.; Kumara, G. R. A.; Rajapakse , R.M.G.; \u00a0\u00a0Velauthappillai, D.; Ravirajan, P. Effect of Hole Transporting Materials on the performance of Perovskite solar cells in air,\u00a0Proceeding of Advanced Materials for Clean Energy and Health Applications (AMCEHA-2019),<\/em>Jaffna, Sri Lanka, 6-8 February 2019.<\/li>\n
    35. Malikaramge, A.S.; \u00a0Prabawathy, N.; Rjapakse, R.M.G.; \u00a0Kumara, G. R. A.; Velauthapillai, D.; Ravirajan, P. Application and characterization of blueberry fruit pigment as the photosensitizer for high performance and stable natural DSSC,\u00a0Proceeding of Advanced Materials for Clean Energy and Health Applications (AMCEHA-2019)<\/em>, Jaffna, Sri Lanka, 6-8 Feb 2019.<\/li>\n
    36. Thanihaichchelvan, M.; Selvadurai, L.; Balashangar, K.; Velauthapillai, D.; Ravirajan,\u00a0P. Titanium dioxide and Cadmium sulfide thin films as the hole-blocking layer for P3HT:PCBM bulk-hetero-junction solar cells,\u00a0Proceeding of Advanced Materials for Clean Energy and Health Applications (AMCEHA-2019)<\/em>, Jaffna, Sri Lanka, 6-8 February 2019.<\/li>\n
    37. Thivakarasharma, T.; Prashanthan, K.; Thanihaichelvan,\u00a0M.; Balashangar,\u00a0K.; Amalraj, P.A.; Robertson, N.; Nelson, J.; Velauthapillai, D.; Ravirajan,\u00a0P. Strategies\u00a0to improve charge transport in hybrid metal oxide\/ polymer solar cells using dyes and multiwalled carbon nanotubes,\u00a0Proceedings of Solar Energy Materials, Solar Cells and Solar Energy Applications,<\/em>Kandy, Sri Lanka, 4-6 January 2018.<\/li>\n
    38. Uthayaraj, S.; Shivatharsiny,\u00a0R.; Velauthapillai,\u00a0D.; Ravirajan, P. Air-stable\u00a0organic-inorganic metal halide perovskite material for solar cells,\u00a0Proceedings of Solar Energy Materials, Solar Cells and Solar Energy Applications<\/em>, Kandy, Sri Lanka,<\/em>4-6 January 2018.<\/li>\n
    39. A.;\u00a0Thanihaichelvan. M.; Shivatharsiny. R, Velauthapillai, D.; Ravirajan. P. Multifunctional Novel Ruthenium Dye (RuC) for Nanocrystalline Titanium dioxide \/ Poly (3-hexylthiophene) hybrid Solar Cells,\u00a0The 8th<\/sup>International Conference on Advanced Materials Research (ICAMR-2018),<\/em>\u00a0Japan, 2018.<\/li>\n
    40. Uthayaraj, S.; Shivatharsiny, R.; Velauthapillai, D.; Ravirajan, P.\u00a0Air-stable organic-inorganic metal halide perovskite material for solar cells.\u00a0International Conference on Solar Energy Materials, Solar Cells\u00a0and\u00a0Solar Energy Applications (SOLAR ASIA \u2013 2018),<\/em>Kandy, Sri Lanka, January 4-6, 2018.<\/li>\n
    41. Rajapakshe, R.B.S.D.; \u00a0Malikaramage, A.S.; Ravirajan, P.;\u00a0 Velauthapillai, D.; Rajapakse, R.M.G. Synthesis and characterization of Niobium(V) and Silver(0)-doped visible\u00a0light responsive titania nanorods.\u00a0The 28th<\/sup>International Symposium\u00a0on Transport Phenomena, <\/em>Peradeniya, Sri Lanka.\u00a0<\/em>22-24 September 2017.<\/li>\n
    42. Thivakarasarma, T.; Pirashanthan, A.; Loheswaran, S.; Balashangar, K.; Prashanthan, K.; Thanihaichelvan, M.; Amalraj,\u00a0P.A.; \u00a0Rasalingam, S.;\u00a0Robertson, N.; Nelson, J.; Velauthapillai,\u00a0D.;\u00a0\u00a0Ravirajan, P. Role of interface modifiers on enhancing the performance of\u00a0Hybrid Nanocrystalline Metal oxides \/ Polymer Solar cells.\u00a0International Symposium on nanomaterials for clean energy and health applications<\/em>, Coimbatore, India,\u00a06-8\u00a0December 2017.<\/li>\n<\/ol>\n

      <\/p>\n

      <\/p>\n

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