{"id":164,"date":"2017-11-07T10:16:35","date_gmt":"2017-11-07T10:16:35","guid":{"rendered":"https:\/\/phy.jfn.ac.lk\/?page_id=164"},"modified":"2023-01-31T07:53:15","modified_gmt":"2023-01-31T07:53:15","slug":"research-areas","status":"publish","type":"page","link":"https:\/\/phy.jfn.ac.lk\/index.php\/research-areas\/","title":{"rendered":"Publication"},"content":{"rendered":"\t\t
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Abiram, G., Gourji, F. H., Pitchaiya, S., Ravirajan, P., Murugathas, T.,<\/strong> & Velauthapillai, D. (2022). Air processed Cs2AgBiBr6 lead-free double perovskite high-mobility thin-film field-effect transistors. Scientific Reports<\/em>, 12<\/em>(1). https:\/\/doi.org\/10.1038\/s41598-022-06319-z<\/p>

Abiram, G., Thanihaichelvan, M., Ravirajan, P., <\/strong>& Velauthapillai, D. (2022). Review on Perovskite Semiconductor Field\u2013Effect Transistors and Their Applications. Nanomaterials<\/em>, 12<\/em>(14). https:\/\/doi.org\/10.3390\/nano12142396<\/p>

Chapa Pamodani Wanniarachchi, W. A., Eidsv\u00e5g, H., Arunasalam, T., Ravirajan, P., <\/strong>Velauthapillai, D., & Vajeeston, P. (2022). Cs2AgBiBr6 as a mixed anion perovskites for photovoltaic applications: A first-principle study. Materials Today: Proceedings<\/em>, 64<\/em>, 1783\u20131788. https:\/\/doi.org\/10.1016\/j.matpr.2022.06.063<\/p>

Jathushan, V., Jayamaha, J. H. T. B., Wijayasinghe, H. W. M. A. C., & Vignarooban, K.<\/strong> (2022). Electrochemical Studies on Poly(Ethylene Oxide) Based Gel-Polymer Electrolytes for Magnesium-Ion Batteries. Materials Science Forum<\/em>, 1077<\/em>, 229\u2013234. https:\/\/doi.org\/10.4028\/p-8k8x71<\/p>

Jayamaha, J. H. T. B., Jathushan, V., Vignarooban, K., <\/strong>Sashikesh, G., Velauthamurty, K., & Dissanayake, M. A. K. L. (2022). Novel Gel-Polymer Electrolytes for Sodium-Ion Secondary Batteries-An Electrochemical Impedance Spectroscopic Studies. Materials Science Forum<\/em>, 1053 MSF<\/em>, 119\u2013124. https:\/\/doi.org\/10.4028\/p-j882uu<\/p>

Kajana, T., Pirashanthan, A., Velauthapillai, D., Yuvapragasam, A., Yohi, S., Ravirajan, P., <\/strong>& Senthilnanthanan, M. (2022). Potential transition and post-transition metal sulfides as efficient electrodes for energy storage applications: review. RSC Advances<\/em>, 12<\/em>(28), 18041\u201318062. https:\/\/doi.org\/10.1039\/d2ra01574a<\/p>

Kajana, T., Pirashanthan, A., Yuvapragasam, A., Velauthapillai, D., Ravirajan, P., <\/strong>& Senthilnanthanan, M. (2022). Bimetallic AC\/Ag2CrO4\/SnS heterostructure photoanode for energy conversion and storage: A self-powered Photocapacitor. Journal of Power Sources<\/em>, 520<\/em>. https:\/\/doi.org\/10.1016\/j.jpowsour.2021.230883<\/p>

Lakmal, A. A. I., Kumarasinghe, R. K. K. G. R. G., Seneviratne, V. A., Thanihaichelvan, M<\/strong>., & Dassanayake, B. S. (2022). Effect of CdS Layer Thickness on Thermally Evaporated-CdS\/CdTe Solar Cell Efficiency. Journal of Materials Science: Materials in Electronics<\/em>, 33<\/em>(19), 15627\u201315637. https:\/\/doi.org\/10.1007\/s10854-022-08467-4<\/p>

Mohandas, P., Anni, J. S., Hasikin, K., Velauthapillai, D., Raj, V., Murugathas, T.<\/strong>, Azizan, M. M., & Thanasekaran, R. (2022). Machine Learning Approach Regarding the Classification and Prediction of Dog Sounds: A Case Study of South Indian Breeds. Applied Sciences (Switzerland)<\/em>, 12<\/em>(20). https:\/\/doi.org\/10.3390\/app122010653<\/p>

Murugathas, T.<\/strong>, Veena, R., Plank, N. O. V, Keerththinaathan, P., Petra, I., & Mohandas, P. (2022). 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 2022<\/em>. https:\/\/doi.org\/10.1109\/5NANO53044.2022.9828942<\/p>

Ridzo\u0148ov\u00e1, K., Grill, R., Peter Amalathas, A.<\/strong>, Dzur\u0148\u00e1k, B., Neykova, N., Hor\u00e1k, L., Fiala, P., Chin, X. Y., Wolff, C. M., Jeangros, Q., & Holovsk\u00fd, J. (2022). Correlating light-induced deep defects and phase segregation in mixed-halide perovskites. Journal of Materials Chemistry A<\/em>, 10<\/em>(36), 18928\u201318938. https:\/\/doi.org\/10.1039\/d2ta03538c<\/p>

Thivakarasarma, T., Lakmal, A. A. I., Dassanayake, B. S., Velauthapillai, D., & Ravirajan, P.<\/strong> (2022). Thermally Evaporated Copper Iodide Hole-Transporter for Stable CdS\/CdTe Thin-Film Solar Cells. Nanomaterials<\/em>, 12<\/em>(14). https:\/\/doi.org\/10.3390\/nano12142507<\/p>

K. Ng<\/a>,\u00a0Z.L. Ng<\/a>,\u00a0S. Ramesh<\/a>,\u00a0C.Y. Tan<\/a>,\u00a0C.H. Ting<\/a>,\u00a0Y.D. Chuah<\/a>\u00a0,\u00a0U. Sutharsini<\/a><\/strong>, Synthesis and properties of bio\u2010waste\u2010based hydroxyapatite via hydrothermal process, Materialwiss. Werkstofftech. (2020),\u00a051<\/em>, 706\u2013712, doi: 10.1002\/mawe.202000010<\/p>

Siva Uthayaraj, M. Thanihaichelvan<\/strong>, Shivatharsiny Yohi, Muthukumarasamy Natarajan, Punniamoorthy Ravirajan<\/strong> and Dhayalan Velauthapillai, Single walled carbon nanotube incorporated Titanium dioxide and Poly(3-hexylthiophene) as electron and hole transport materials for perovskite solar cells, Materials Letters (2020), 276, 128174; doi.org\/10.1016\/j.matlet.2020.128174<\/p>

Pirashanthan, M. Thanihaichelvan<\/strong>, K. Mariappan, P. Ravirajan<\/strong>, Dhayalan Velauthapillai, Shivatharsiny Yohi, A multifunctional ruthenium based dye for hybrid nanocrystalline titaniumdioxide\/poly(3-hexylthiophene) solar cells, Materials Letters (2020), 274, 127997; doi.org\/10.1016\/j.matlet.2020.127997<\/p>

Dissanayake, M.A.K.L.,\u00a0Senthuran, S.<\/strong> & Senadeera, G.K.R. Efficiency enhancement in dye-sensitized solar cells using hierarchical TiO2<\/sub>\u00a0submicron size spheres as a light scattering layer. Journal of Solid State Electrochemistry (2020)<\/p>

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/i><\/span>\n\t\t\t\t\t\t\t\t<\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t2010 - 2019<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t

A .Thevakaran Suppiah and D.U.J Sonnaar(2019), Trends in extreme rainfall events in Sri Lanka, 1961-2010, Journal of National Science Foundation, Sri Lanka <\/span><\/p>

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K. Ng,\u00a0S. Ramesh,\u00a0C.Y. Tan,\u00a0A.Muchtar,\u00a0M.R.Somalu,\u00a0W.S. Samuel Lew1,\u00a0
C.H. Ting,\u00a0Y.D. Chuah\u00a0and\u00a0U. Sutharsin,\u00a0<\/span>Thermal Stability Behaviour of Scandia Stabilised Zirconia<\/a><\/span>, IOP Conf. Series: Earth and Environmental Science (2019), 268, 012078. doi: 10.1088\/1755-1315\/268\/1\/012078 <\/span><\/p>

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Vignarajah, M. Thanihaichelvan, S. Ubenthiran, Effect of Sintering Holding Time on Tetragonal Phase Stability of Yttria Stabilized Zirconia Ceramics, Key Eng. Mater. 803 (2019) 143\u2013147. doi:10.4028\/www.scientific.net\/KEM.803.143. <\/span><\/p>

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Arumugam Pirashanthan, M. Thanihaichelvan, Neil Robertson, Punniamoorthy Ravirajan, and Dhayalan Velauthapillai, A Quarterthiophene-Based Dye as an Efficient Interface Modifier for Hybrid Titanium Dioxide\/Poly(3-hexylthiophene) (P3HT) Solar Cells, Polymers (2019), 11(11), 1752; doi.org\/10.3390\/polym11111752<\/span><\/p>

B. Dhuban, S. Ramesh, C.Y. Tan, Y.H. Wong, U. Johnson Alengaram, W.D. Teng, F. Tarlochan, U. Sutharsini, Sintering behaviour and properties of manganese-doped alumina, Ceram. Int. 45 (2019) 7049\u20137054. doi:10.1016\/j.ceramint.2018.12.207.<\/span><\/p>

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Janani, M. Thanihaichelvan, U.Sutharsini, Effect of Sintering Holding Time on Tetragonal Phase Stability of Yttria Stabilized Zirconia Ceramics. Key Engineering Materials, 803, (2019) 143-147; doi.org\/10.4028\/www.scientific.net\/KEM.803.143<\/span><\/p>

Tharsika, M. Thanihaichelvan, A. S. M. A. Haseeb and S. A. Akbar, Highly Sensitive and Selective Ethanol Sensor Based on ZnO Nanorod on SnO2 Thin Film Fabricated by Spray Pyrolysis, Frontiers in Materials, 6, (2019) 122; doi.org\/10.3389\/fmats.2019.00122<\/span><\/p>

Thanihaichelvan, Zheng, H.Y., Colbert, D., Kralicek, A. V., Carraher, C., Plank, N.O. V., Biosensing with Insect Odorant Receptor Nanodiscs and Carbon Nanotube Field-Effect Transistors. ACS Applied Materials and Interfaces, 11, (2019) 9530\u20139538; doi.org\/10.1021\/acsami.8b19433<\/span><\/p>

Thanihaichelvan, Loheeswaran, S., Balashangar, K., Velauthapillai, D., Ravirajan, P., Polymer\/Fullerene Blend Solar Cells with Cadmium Sulfide Thin Film as an Alternative Hole-Blocking Layer. Polymers (Basel), 11, (2019) 460; doi.org\/10.3390\/polym11030460<\/span><\/p>

Thanihaichelvan, L. A. Browning, M. P. Dierkes, Roger M Reyes, A. V. Kralicek, Colm Carraher, C. A. Marlow, Natalie O. V. Plank, Metallic-semiconducting junctions create sensing hot-spots in carbon nanotube FET aptasensors near percolation, Biosensors and Bioelectronics, 130, (2019) 408-413; doi: 10.1016\/j.bios.2018.09.021<\/span><\/p>

Siva Uthayaraj, D. G. B. C. Karunarathne, G. R. A. Kumara, M. Thanihaichelvan, Shivatharsiny Rasalingam, R. M. G. Rajapakse, Punniamoorthy Ravirajan and Dhayalan Velauthapillai, Powder Pressed Cuprous Iodide (CuI) as A Hole Transporting Material for Perovskite Solar Cells, Materials 2019, 12(13), 2037; doi.org\/10.3390\/ma12132037<\/span><\/p>

A. Adeleke, S. Ramesh, A.R. Bushroa, Y.C. Ching, I. Sopyan, M.A. Maleque, S. Krishnasamy, H. Chandran, H. Misran, U. Sutharsini, The properties of hydroxyapatite ceramic coatings produced by plasma electrolytic oxidation, Ceram. Int. 44 (2018) 1802\u20131811. doi:10.1016\/j.ceramint.2017.10.114.<\/span><\/p>

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Ubenthiran, M. Thanihaichelvan, R. Singh, Effect of Air and Argon Sintering Atmospheres on Properties and Hydrothermal Aging Resistance of Y-TZP Ceramics, J. Mater. Eng. Perform. 27 (2018) 3574\u20133580. doi:10.1007\/s11665-018-3428-1.<\/span><\/p>

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Ramesh, K.Y. Sara Lee, C.Y. Tan, Y.H. Wong, U. Johnson Alengaram, F. Tarlochan, S. Ramesh, W.D. Teng, U. Sutharsini, A.A.D. Sarhan, Effect of microwave sintering on the properties of copper oxide doped Y-TZP ceramics, Ceram. Int. 44 (2018) 19639\u201319645. doi:10.1016\/j.ceramint.2018.07.215.<\/span><\/p>

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A .Thevakaran and D.U.J. Sonnadar (2018) Estimating missing daily temperature extremes in Jaffna, Sri Lanka, Theoretical and applied climatology 132, 145-152.<\/span><\/p>

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Thanihaichelvan, L. A. Browning, M. P. Dierkes, Roger M Reyes, A. V. Kralicek, Colm Carraher, C. A. Marlow, Natalie O. V. Plank, Data on liquid gated carbon nanotube network FETs on a flexible substrate, Data in Brief, 21 (2018) 276-283; doi:10.1016\/j.dib.2018.09.093<\/span><\/p>

Sutharsini, M. Thanihaichelvan, S. Ramesh, Effect of air and argon sintering atmospheres on properties and hydrothermal ageing resistance of Y-TZP ceramics, Journal of Materials Engineering and Performance, 27(7) (2018) 3574\u20133580; doi:10.1007\/s11665-018-3428-1<\/span><\/p>

Balashangar, S. Paranthaman, M. Thanihaichelvan, P.A. Amalraj, D. Velauthapillai, P. Ravirajan, Multi-walled carbon nanotube incorporated nanoporous titanium dioxide electrodes for hybrid polymer solar cells, Materials Letters, 219 (2018) 265\u2013268; doi:10.1016\/j.matlet.2018.02.088.<\/span><\/p>

Sutharsini, M. Thanihaichelvan, C.H. Ting, S. Ramesh, C.Y. Tan, H. Chandran, A.A.D. Sarhan, S. Ramesh, I. Urri\u00e9s, Effect of two-step sintering on the hydrothermal ageing resistance of tetragonal zirconia polycrystals, Ceram. Int. (2017). doi:10.1016\/j.ceramint.2017.03.052.<\/span><\/p>

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Amiri Roudan, S. Ramesh, A. Niakan, Y.H. Wong, M. Akhtari Zavareh, H. Chandran, W.D. Teng, N. Lwin, U. Sutharsini, Thermal phase stability and properties of hydroxyapatite derived from biowaste eggshells, J. Ceram. Process. Res. 18 (2017) 69\u201372<\/span><\/p>

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H. Nur Nadia, S. Ramesh, C.Y. Tan, Y.H. Wong, N.I. Zainal Abidin, W.D. Teng, U. Sutharsini, A.A.D. Sarhan, The effects of sintering additives on the mechanical properties and microstructure evolution of 3 mol% Y-TZP, J. Ceram. Process. Res. 18 (2017) 483\u2013487<\/span><\/p>

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Thanihaichelvan, M.M.P.S. Kodikara, P. Ravirajan, D. Velauthapillai, Enhanced performance of nanoporous titanium dioxide solar cells using cadmium sulfide and poly(3-hexylthiophene) co-sensitizers, Polymers (Basel), 9 (2017) 467; doi:10.3390\/polym9100467.<\/span><\/p>

Loheeswaran, M. Thanihaichelvan, P. Ravirajan, J. Nelson, Controlling recombination kinetics of hybrid poly-3-hexylthiophene (P3HT)\/titanium dioxide solar cells by self-assembled monolayers, Journal of Materials Science: Materials in Electronics, 28 (2017) 4732\u20134737; doi:10.1007\/s10854-016-6116-7.<\/span><\/p>

Current Trends and Future Challenges of Electrolytes for Sodium-ion Batteries, K. Vignarooban, R. Kushagra, A. Elango, P. Badami, B.-E. Mellander, X. Xu, T.Tucker, C. Nam and A.M. Kannan, International Journal of Hydrogen Energy (in press)<\/span><\/p>

Prospects and Problems of Concentrating Solar Power Technologies for Power Generation in the Desert Regions, Xinhai Xu, K. Vignarooban, Ben Xu, Keng Hsu and A.M. Kannan, Renewable and Sustainable Energy Reviews, vol. 53 (2016), pp. 1106-1131<\/span><\/p>

A positron emission particle tracking investigation of the flow regimes in tumbling mills I Govender, T Pathmathas \u2013 Journal of Physics D: Applied Physics, 2016<\/span><\/p>

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Ramesh, M.M. Khan, H.C. Alexander Chee, Y.H. Wong, P. Ganesan, M.G. Kutty, U. Sutharsini, W.J.K. Chew, A. Niakan, Sintering behaviour and properties of graphene oxide-doped Y-TZP ceramics, Ceram. Int. 42 (2016) 17620\u201317625. doi:10.1016\/j.ceramint.2016.08.077.<\/span><\/p>

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H. Ting, S. Ramesh, N. Lwin, U. Sutharsini, Sintering properties and low-temperature degradation behaviour of Y-TZP ceramics, J. Ceram. Process. Res. 17 (2016) 1265\u20131269.<\/span><\/p>

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Thanihaichelvan, K. Sockiah, K. Balashangar, P. Ravirajan, Cadmium sulfide interface layer for improving the performance of titanium dioxide\/poly (3-hexylthiophene) solar cells by extending the spectral response, Journal of Materials Science: Materials in Electronics, 26 (2015) 3558\u20133563; doi:10.1007\/s10854-015-2869-7.<\/span><\/p>

Thevakaran, J.L. McGregor, J. Katzfey, P. Hoffmann, R. Suppiah and D.U.J. Sonnadara (2015) An Assessment of CSIRO\u00a0 Conformal Cubic Atmospheric Model simulations\u00a0 over Sri Lanka, J. Climate Dynamics DOI 10.1007\/s 00382-015-2680-4.<\/span><\/p>

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Balashangar, M. Thanihaichelvan, P. Ravirajan, G.D.K. Mahanama, M.A.K.L. Dissanayake, E. Colegrove, R.G. Dhere, S. Sivananthan, The Effect of Surface Roughness of Substrates on the Performance of Polycrystalline Cadmium Sulfide\/Cadmium Telluride Solar Cells, Journal of Nanoelectronics and Optoelectronics, 10 (2015) 435\u2013439; doi:10.1166\/jno.2015.1777.<\/span><\/p>

Vapor Pressure and Corrosivity of Ternary Metal-Chloride Molten-Salt Based Heat Transfer Fluids for Use in Concentrating Solar Power Systems, K. Vignarooban, Xinhai Xu, K. Wang, E.E. Molina, P. Li, D. Gervasio and A.M. Kannan, Applied Energy, vol. 159 (2015), pp. 206-213<\/span><\/p>

Ionic Conductivity Enhancement in PEO:CuSCN Solid Polymer Electrolyte by the Incorporation of Nickel-Chloride, K. Vignarooban, M.A.K.L. Dissanayake, I. Albinson and B.-E. Mellander, Solid State Ionics, vol. 278 (2015), pp. 177-180<\/span><\/p>

Nano-Electrocatalyst Materials for Low Temperature Fuel Cells- A Review, K. Vignarooban, J. Lin, A. Arvay, S. Kolli, I. Kruusenberg, K. Tammeveski, L. Munukutla and A.M. Kannan, Chinese Journal of Catalysis, vol 36 (2015), pp.458-472<\/span><\/p>

Heat Transfer Fluids for Concentrating Solar Power Systems – A Review, K. Vignarooban, Xinhai Xu, A. Arvay, K. Hsu and A.M. Kannan, Applied Energy, vol 146 (2015), pp.383-396<\/span><\/p>

Rigidity Transitions in Glasses Driven by Changes in Network Dimensionality and Structural Groupings, K. Vignarooban, P. Boolchand, M. Micoulaut, M. Malki and W. Bresser, Euro-Physics Letters (EPL), vol 108 (2014), pp.56001 (1-6)<\/span><\/p>

Effect of TiO2 Nano-Filler and EC Plasticizer on Electrical and Thermal Properties of Poly (ethylene oxide) Based Solid Polymer Electrolytes, K. Vignarooban, M.A.K.L. Dissanayake, I. Albinson and B.-E. Mellander, Solid State Ionics, vol. 266 (2014), pp. 25-28<\/span><\/p>

Corrosion Resistance of Hastelloys in Molten Metal-Chloride Heat-Transfer Fluids for Concentrating Solar Power Applications, K. Vignarooban, P. Pugazhendhi, C. Tucker, D. Gervasio and A.M. Kannan, Solar Energy, vol. 103 (2014), pp. 62-69<\/span><\/p>

Sutharsini, S. Ramesh, J. Purbolaksono, C.Y. Tan, W.D. Teng, M. Amiriyan, Low-temperature degradation and defect relationship in yttria-tetragonal zirconia polycrystal ceramic, Mater. Res. Innov. 18 (2014) S6-131-S6-134. doi:10.1179\/1432891714Z.000000000943<\/span><\/p>

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Sutharsini, S. Ramesh, Y.H. Wong, H. Misran, F. Yusuf, C.Y. Tan, J. Purbolaksono, W.D. Teng, Effect of sintering holding time on low-temperature degradation of yttria stabilised zirconia ceramics, Mater. Res. Innov. 18 (2014) S6-408-S6-411. doi:10.1179\/1432891714Z.000000000988.<\/span><\/p>

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M. Khan, S. Ramesh, L.T. Bang, Y.H. Wong, S. Ubenthiran, C.Y. Tan, J. Purbolaksono, H. Misran, Effect of Copper Oxide and Manganese Oxide on Properties and Low Temperature Degradation of Sintered Y-TZP Ceramic, J. Mater. Eng. Perform. (2014). doi:10.1007\/s11665-014-1231-1.<\/span><\/p>

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Tharsika, A.S.M.A. Haseeb, S.A. Akbar, M. Thanihaichelvan, Tailoring ZnO nanostructures by spray pyrolysis and thermal annealing, Ceramics International, 41 (2015) 5205\u20135211; doi:10.1016\/j.ceramint.2014.12.062.<\/span><\/p>

Senthuran Sivasubramaniam<\/span>\u00a0and Maan M. Alkaisi, \u2018\u2018Inverted nanopyramid texturing for silicon solar cells using interference lithography\u2019\u2019, Journal of Microelectronics Engineering,119 C, pp. 146-150, (2014) <\/span><\/p>

Senthuran Sivasubramaniam<\/span>, Angelique Faramus, Richard D. Tilley and Maan M. Alkaisi, \u2018\u2018Performance enhancement in silicon solar cell by inverted nanopyramid texturing and silicon quantum dots coating\u2019\u2019, Journal of Renewable and Sustainable Energy, 6, 1, (2014).<\/span><\/p>

Ramesh, W.J. Kelvin Chew, C.Y. Tan, J. Purbolaksono, A.M. Noor, M.A. Hassan, U. Sutharsini, M. Satgunam, W.D. Teng, Influence of manganese on the sintering properties of tetragonal zirconia, Ceram. – Silikaty. 57 (2013) 28\u201332.<\/span><\/p>

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Ubenthiran, S. Ramesh, C.Y. Tan, W.D. Teng, Oxygen vacancy comparisons for 3Y – TZP sintered in air and argon gas atmosphere, in: Appl. Mech. Mater., 2013. doi:10.4028\/www.scientific.net\/AMM.372.173.<\/span><\/p>

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Thevakaran and D.U.J. Sonnadara (2013) Reconstruction of Missing Monthly Temperature Observations in\u00a0 Jaffna \u2013 Sri Lanka, J. National Science Foundation.<\/span><\/p>

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Arsenic Sulphide (As4S4) Nano-particles: Physico-Chemical Properties and Anti-Cancer Effects, P. Balaz, J. Sedlak, M. Pastorek, D. Cholujova, K. Vignarooban, S. Bhosle, P. Boolchand, Z. Bujnakova, E. Dutkova, O. Kartachova and B. Stalder, Journal of Nano-Research, vols. 18-19 (2012), pp. 149- 155<\/span><\/p>

Kajitha, S. Sarathchandran, M. Senthilnanthanan and P. Ravirajan, Visible Light Responsive Nanocrystalline Titanium Dioxide for Dye Sensitized Solar Cells, Proceeding of the International Conference on Solar energy Materials, Solar cells and Solar energy Applications (SOLAR ASIA \u2013 2011), 253 (2011).<\/span><\/p>

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Balashangar, T. Jaseetharan, S. Sarathchandran and P. Ravirajan, Enhancing the Performance of Hybrid TiO2-Polymer Multilayer Solar Cells by Modifying the TiO2-Polymer Interface By Single Wall Carbon Nanotube, SOLAR ASIA \u2013 2011, Proceeding of International Conference on Solar energy Materials, Solar cells and Solar energy Applications (SOLAR ASIA \u2013 2011), 258 (2011)<\/span><\/p>

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Sarathchandran, S.; Prashanthan, K.; Ravirajan, P., Role of Poly(Ethylenedioxythiophene)-Poly(Styrene Sulphonate) on the Performance of Nanocrystalline Titanium Dioxide-Poly(3-Hexylthiophene) Polymer Solar Cells, Journal of Nanoelectronics and Optoelectronics 6 (3), 2011 , 272-276.<\/span><\/p>

Glass Homogeneity Precursive to Self-Organization, P. Boolchand, S. Bhosle, K. Gunasekera, K. Vignarooban and S. Chakraborty, Journal of Optoelectronics and Advanced Materials, vol. 13 (11-12) (2011), pp. 1353- 1358<\/span><\/p>

In-vitro Testing of Arsenic Sulfide Nano-Particles for the Treatment of Multiple Myeloma Cells, P. Balaz, J. Sedlak, M. Pastorek, D. Cholujova, K. Vignarooban, S. Bhosle, P. Boolchand, M. Fabian and Z. Bujnakova, Proceedings of NanoTech Conference and Expo, Boston, Massachusetts, June 13-16, 2011, vol. 3, pp.412-415\u00a0<\/span><\/p>

S.Sarathchandran, K.Haridas, Y. Kim, P.Ravirajan, J. Nanoelectronics and Optoelectronics 5 (2010) 243.<\/span><\/p>

\u00a0<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/i><\/span>\n\t\t\t\t\t\t\t\t<\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t2000 - 2009<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t

Hybrid nanocrystalline TiO2 solar cells with a fluorene-thiophene copolymer as a sensitizer and hole conductor, P. Ravirajan, S. A. Haque, J. R. Durrant, D. Poplavskyy, D. D. C. Bradley, and J. Nelson, Journal of Applied Physics 95 (2004) 1473 – 1480.<\/span><\/p>

Factors limiting the efficiency of molecular photovoltaic devices, J. Nelson, J. Kirkpatrick, and P. Ravirajan, Physical Review B 69 (2004) 035337.<\/span><\/p>

Effect of morphology on electron drift mobility in porous TiO2, B. O. Aduda, P. Ravirajan, K. L. Choy, and J. Nelson, International Journal of Photoenergy 6 (2004) 141-147.<\/span><\/p>

Nanoporous TiO2 solar cells sensitized with a fluorene-thiophene copolymer, P. Ravirajan, S. A. Haque, D. Poplavskyy, J. R. Durrant, D. D. C. Bradley, and J. Nelson, Thin Solid Film 451-452 (2004) 624 – 629.<\/span><\/p>

Hybrid nanocrystalline TiO2 solar cells with a fluorene-thiophene copolymer as a sensitizer and hole conductor, P. Ravirajan, S. A. Haque, J. R. Durrant, D. Poplavskyy, D. D. C. Bradley, and J. Nelson, Journal of Applied Physics 95 (2004) 1473 – 1480.<\/span><\/p>

Factors limiting the efficiency of molecular photovoltaic devices, J. Nelson, J. Kirkpatrick, and P. Ravirajan, Physical Review B 69 (2004) 035337.<\/span><\/p>

Effect of morphology on electron drift mobility in porous TiO2, B. O. Aduda, P. Ravirajan, K. L. Choy, and J. Nelson, International Journal of Photoenergy 6 (2004) 141-147.<\/span><\/p>

Nanoporous TiO2 solar cells sensitized with a fluorene-thiophene copolymer, P. Ravirajan, S. A. Haque, D. Poplavskyy, J. R. Durrant, D. D. C. Bradley, and J. Nelson, Thin Solid Film 451-452 (2004) 624 – 629.<\/span><\/p>

Solid state solar cell made from nanocrystalline TiO2 with a fluorene-thiophene copolymer as a hole-conductor, P. Ravirajan, S. A. Haque, D. Poplavskyy, J. R. Durrant, D. D. C. Bradley, and J. Nelson, Proc. of SPIE – International Society for Optical Engineering 5215, 226 (2004). (ISBN: 0-8194-5088-X)<\/span><\/p>

Efficient hybrid polymer TiO2 solar cells using a multilayer structure, P. Ravirajan, S. A. Haque, J. R. Durrant, D. D.C.Bradley, and J. Nelson, Proc. of SPIE – International Society for Optical Engineering 5520, 232 (2004). (ISBN: 0-8194-5458-3)<\/span><\/p>

The effect of polymer optoelectronic properties on the performance of multilayer hybrid polymer-TiO2 solar cell, P. Ravirajan, S. A. Haque, J. R. Durrant, D. D. C. Bradley and J. Nelson, Advanced Functional Materials, 15 (2005) 609 – 618.<\/span><\/p>

Efficient Charge Collection in Hybrid Polymer -TiO2 Solar Cell using PEDOT:PSS as a Hole Collector, P. Ravirajan, S. A. Haque, J. R. Durrant, S. J. P. Smith, J. M. Kroon, D. D. C. Bradley and J. Nelson, Applied Physics Letter 86, (2005) 143101.<\/span><\/p>

The effect of polymer optoelectronic properties on the performance of multilayer hybrid polymer-TiO2 solar cell, P. Ravirajan, S. A. Haque, J. R. Durrant, D. D. C. Bradley and J. Nelson, Advanced Functional Materials, 15 (2005) 609 – 618.<\/span><\/p>

Efficient Charge Collection in Hybrid Polymer -TiO2 Solar Cell using PEDOT:PSS as a Hole Collector, P. Ravirajan, S. A. Haque, J. R. Durrant, S. J. P. Smith, J. M. Kroon, D. D. C. Bradley and J. Nelson, Applied Physics Letter 86, (2005) 143101.<\/span><\/p>

Electrical Conductivity Enhancement in (PEO)9(LiCF3SO3) Polymer Electrolyte due to the Addition of NiCl2, K. Vignarooban, M.A.K.L. Dissanayake and R.S.P. Bokalawela, Ceylon Journal of Science (Physical Sciences), vol. 10 (2005), pp. 97-103<\/span><\/p>

Hybrid polymer -zinc oxide photovoltaic devices using vertically oriented ZnO nanorods and an ambiphilic molecular interface layer, P. Ravirajan, A. M. Peir\u00f3, M. K. Nazeeruddin, M. Graetzel, D. D. C. Bradley, J. R. Durrant and J. Nelson, Journal of Physical Chemistry B 110 (2006) 7635-7639.<\/span><\/p>

Hybrid polymer-metal oxide solar cells based on ZnO columnar structures, A. M. Peir\u00f3, P. Ravirajan, K. Govender, D. Smyth-Boyle, P. O\u2019Brien, D.D.C.Bradley, J. Nelson J. R. Durrant, J. Material Chemistry 16 (2006) 2088-2096.<\/span><\/p>

Hybrid polymer -zinc oxide photovoltaic devices using vertically oriented ZnO nanorods and an ambiphilic molecular interface layer, P. Ravirajan, A. M. Peir\u00f3, M. K. Nazeeruddin, M. Graetzel, D. D. C. Bradley, J. R. Durrant and J. Nelson, Journal of Physical Chemistry B 110 (2006) 7635-7639.<\/span><\/p>

Hybrid polymer-metal oxide solar cells based on ZnO columnar structures, A. M. Peir\u00f3, P. Ravirajan, K. Govender, D. Smyth-Boyle, P. O\u2019Brien, D.D.C.Bradley, J. Nelson J. R. Durrant, J. Material Chemistry 16 (2006) 2088-2096.<\/span><\/p>

Effect of Different Types of Ceramic Nano-fillers on Thermal and Transport Properties of PEO9LiTf Solid Polymer Electrolyte, K. Vignarooban, B.-E. Mellander, I. Albinson and M.A.K.L. Dissanayake, Solid State Ionics, Proceedings of the 10th Asian Conference on Solid State Ionics, Kandy, Sri Lanka, June 12-16, 2006, pp. 623- 630<\/span><\/p>

Boucl\u00e9, J., Ravirajan, P., Nelson, J., Hybrid polymer-metal oxide thin films for photovoltaic applications, Journal of Materials Chemistry 17 (2007)3141-3153.<\/span><\/p>

Influence of polymer ionization potential on the open-circuit voltage of hybrid polymer-TiO2 solar cells, T. Ishwara, P.Ravirajan, at el., Appl. Phys. Lett. 92 (5), (2008) 053308.<\/span><\/p>

Boucl\u00e9, J., Ravirajan, P., Nelson, J., Hybrid polymer-metal oxide thin films for photovoltaic applications, Journal of Materials Chemistry 17 (2007)3141-3153.<\/span><\/p>

Influence of polymer ionization potential on the open-circuit voltage of hybrid polymer-TiO2 solar cells, T. Ishwara, P.Ravirajan, at el., Appl. Phys. Lett. 92 (5), (2008) 053308.<\/span><\/p>

Novel Cyclometallated Ruthenium dye sensitizer for nanocrystalline TiO2 based Solar cells, M.Senthilnanthanan, S.Sarathchandran, John.M.Brown, S.Sivaraya and P.Ravirajan, Proceedings of the International conference on \u201cAdvances in Continum mechanics,Nanoscience and Nanotechnology, University of Peradeniya, Sri Lanka, September 26-27, 2008, 240-245.<\/span><\/p>

Poly (ethylene oxide) Based, Anion Conducting Solid Polymer Electrolytes for PEC Solar Cells, T.M.W.J. Bandara, M.A.K.L. Dissanayake, O.A. Ileperuma, K. Varaprathan, K. Vignarooban and B.-E. Mellander, Journal of Solid State Electrochemistry, vol. 12 (7-8) (2008), pp. 913-917<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

2020 – 2029 Abiram, G., Gourji, F. H., Pitchaiya, S., Ravirajan, P., Murugathas, T., & Velauthapillai, D. (2022). Air processed Cs2AgBiBr6 lead-free double perovskite high-mobility thin-film field-effect transistors. Scientific Reports, 12(1). https:\/\/doi.org\/10.1038\/s41598-022-06319-z Abiram, G., Thanihaichelvan, M., Ravirajan, P., & Velauthapillai, D. (2022). Review on Perovskite Semiconductor Field\u2013Effect Transistors and Their Applications. Nanomaterials, 12(14). https:\/\/doi.org\/10.3390\/nano12142396 Chapa […]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ocean_post_layout":"full-width","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","footnotes":""},"class_list":["post-164","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/phy.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/pages\/164","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phy.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/phy.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/phy.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/phy.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/comments?post=164"}],"version-history":[{"count":70,"href":"https:\/\/phy.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/pages\/164\/revisions"}],"predecessor-version":[{"id":4289,"href":"https:\/\/phy.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/pages\/164\/revisions\/4289"}],"wp:attachment":[{"href":"https:\/\/phy.jfn.ac.lk\/index.php\/wp-json\/wp\/v2\/media?parent=164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}