Dr K Vignarooban

 Dr.K.Vignarooban

   

 

Senior Lecturer (Grade I)  in Physics                            

Department of Physics
University of Jaffna
Jaffna, JA 40 000 

Sri Lanka

TP.No : +94212225924
Fax No: +94212222685
Email:  kvignarooban@gmail.com

 

B.Sc.(Hons.)(Jaffna)
M.Phil.(Peradeniya and Chalmers-Sweden)
Ph.D.(Cincinnati, USA)

   

 

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University Education

Ph.D., University of Cincinnati, USA, 2007 – 2012

M.Phil., University of Peradeniya, 2004 – 2007

B.Sc. Special degree in Physics, University of Jaffna, 1996-2001  

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Head, Department of Physics University of Jaffna, October 2016 – To date 

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  • 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)
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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)
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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 
  • 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

Book Chapter:  
Dr.K.Vignarooban co-authored a chapter (#4) in this ‘Springer‘ book. Chapter title is “Materials Challenges for Concentrating Solar Power

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  • Super-Strong Melts, Slow Homogenization, Reversibility Windows and Topological Phases in Chalcogenide Glasses, P. Boolchand, C. Holbrook, K. Vignarooban and R. Bhageria, Proceedings of the 7th International Conference on Amorphous and Nanostructured Chalcogenides – Fundamentals and Applications, Cluj-Napoca, Romania, July 5-10, 2015
  • TiO2 Nano-Filler and EC Plasticizer in Lithium-ion Conducting Solid Polymer Membranes, K. Vignarooban, M.A.K.L. Dissanayake, I. Albinson and B.-E. Mellander, Proceedings of the Workshop on Materials Science for Energy Storage, ICTP (International Center for Theoretical Physics), Trieste, Italy, May 11-15, 2015
  • Network Dimensionality and Alkali-Modification Driven Elastic Phases in Alkali-Borates, K. Vignarooban, P. Boolchand,  M. Micoulaut, M. Malki, and R. Kerner, Proceedings of the 8th International Conference on Borate Glasses, Crystals and Melts, Pardubice, Czech Republic, June 30-July 4, 2014
  • Metal-Chloride Eutectic Mixture Based Heat-Transfer Fluids for Concentrating Solar Power Applications, K. Vignarooban, C. Tucker, D. Gervasio and A.M. Kannan, Proceedings of the Conference on Nano and Giga Challenges in Electronics, Photonics and Renewable Energy, Phoenix, AZ, USA, March 10-14, 2014
  • Evidence for Self-organization in Li- and Na-Borate Glasses, K. Vignarooban, M. Malki, M. Micoulaut, W. Bresser, R. Kerner, R. Bhageria, V. William and P. Boolchand, Proceedings of the 10th Pacific Rim Conference on Glass and Ceramic Technology, San Diego, CA, USA, June 2-7, 2013
  • Evidence for Self-organization in Borate Glasses, P. Boolchand, K. Vignarooban, M. Micoulaut, M. Malki and R. Kerner, Proceedings of the Glass and Optical Materials Division Annual Meeting, American Ceramic Society, St. Louis, MO, USA, May 20-24, 2012
  • Boson Mode, Medium Range Structure and Intermediate Phase in (Na2O)x(B2O3)1-x Glasses, K. Vignarooban, P. Boolchand, M. Micoulaut and M. Malki, Bulletin of the APS, vol. 57 (1), APS March Meeting, Boston, MA, USA, February 27-March 2, 2012
  • Vibrational Excitations and Elastic Phases in Sodium-Borate Glasses, K. Vignarooban, P. Boolchand and M. Micoulaut, Bulletin of the APS, vol. 56 (1), APS March Meeting, Dallas, TX, USA, March 21-25, 2011
  • Intermediate Phase in Sodium Borate Glasses, P. Boolchand and K. Vignarooban, Proceedings of the Glass and Optical Materials Division Annual Meeting, American Ceramic Society, Corning, NY, USA, May 16-20, 2010
  • On the Elastic Behavior of Sodium-Borate Glasses, K. Vignarooban, P. Boolchand, R. Kerner and M. Micoulaut, Bulletin of the APS, vol. 55 (2), APS March Meeting, Portland, OR, USA, March 15-19, 2010
  • Characterization of Dry B2O3 Glass, K. Vignarooban, D. Novita, P. Chen and P. Boolchand, Bulletin of the APS, vol. 54 (1), APS March Meeting, Pittsburgh, PA, USA, March 16-20, 2009
  • Ceramic Filler (TiO2) and Plasticizer (EC) Together as Conductivity Enhancer in PEO9LiCF3SO3 Polymer Electrolyte, K. Vignarooban and M.A.K.L. Dissanayake, Proceedings of the National Conference on Advanced Materials for Emerging Technologies (NCAMET-2007), Peradeniya, Sri Lanka, July 21-22, 2007
  • Poly (ethylene oxide) Based, Anion Conducting Solid Polymer Electrolytes for Possible Use in PEC Solar Cells, T.M.W.J. Bandara, M.A.K.L. Dissanayake, O.A. Illeperuma, K. Varaprathan and K. Vignarooban, Proceedings of the International Conference on Materials for Advanced Technologies (ICMAT), Singapore, July 1-6, 2007
  • Thermal and Electrical Properties of PEO9LiTf + x wt% TiO2 + (15-x) wt% Al2O3 Nano-Composite Polymer Electrolyte Membranes, M.A.K.L. Dissanayake and K. Vignarooban, Proceedings of the 62nd Annual Sessions, Sri Lanka Association for the Advancement of Science (SLAAS), Colombo, Sri Lanka, December 10-15, 2006
  • Plasticized and Plasticizer-Free, Nano-Composite Polymer Electrolytes for Rechargeable Li-ion Batteries, M.A.K.L. Dissanayake, H.M.J.C. Pitawala and K. Vignarooban, Proceedings of the 62nd Annual Sessions, Sri Lanka Association for the Advancement of Science (SLAAS), Colombo, Sri Lanka, December 10-15, 2006
  • Thermal, Dielectric and Transport Properties of Plasticized and Plasticizer-Free, Nano-Composite Polymer Electrolytes for Lithium Batteries, H.M.J.C. Pitawala, K. Vignarooban, M.A.K.L. Dissanayake, V.A. Senaviratne, Proceedings of the 10th Anniversary Celebrations of the PGIS (Postgraduate Institute of Science), Peradeniya, Sri Lanka, April 28, 2006
  • Effect of NiCl2 on the Ionic Conductivity and Thermal Properties of PEO9CuSCN Polymer Electrolyte System, K. Vignarooban and M.A.K.L. Dissanayake, Proceedings of the 15th International Conference on Solid State Ionics, Baden-Baden, Germany, July 17-22, 2005
  • Electrical Conductivity Enhancement in PEO-Based Polymer Electrolytes Containing Mixed-Salts LiCF3SO3 and NiCl2, K. Vignarooban, M.A.K.L. Dissanayake and R.S.P. Bokalawela, Proceedings of the Peradeniya University Research Sessions, Peradeniya, Sri Lanka, Vol. 9, November 10, 2004

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  • Workshop on “Materials Science for Energy Storage”, International Center for Theoretical Physics, Trieste, Italy, May 11-15, 2015 (Poster Presentation)
  • 4th Workshop on Thin-film Solar Cells and Their Science and Technology, University Peradeniya, Sri Lanka, February 27-28, 2015
  • Nano- and Giga-Challenges in Electronics, Photonics and Renewable Energy, Phoenix, AZ, USA, March 10-14, 2014 (Poster Presentation)
  • 10th Pacific Rim Conference on Glass and Ceramic Technology, James C. Phillips Honorary Symposium, San Diego, CA, USA, June 2-7, 2013 (Invited Talk)
  • 73rd International Conference on Glass Problems, Cincinnati, OH, USA, October 1-3, 2012
  • Conference of Glass and Optical Materials Division, American Ceramic Society, St. Louis, MO, USA, May 20-24, 2012 (Oral Presentation)
  • Meeting of American Physical Society, Boston, MA, USA, February 27-March 02, 2012 (Oral Presentation)
  • Meeting of American Physical Society, Dallas, TX, USA, March 21-25, 2011 (Oral Presentation)
  • TA Instruments Technology Seminar, Cincinnati, OH, USA, October 20, 2010
  • 19th Annual Spectroscopic Solutions Seminar Series organized by Thermo-Scientific, West Chester, OH, USA, September 21, 2010
  • Conference of Glass and Optical Materials Division, American Ceramic Society, Corning, NY, USA, May 16-20, 2010 (Oral Presentation)
  • Meeting of American Physical Society, Portland, OR, USA, March 15-19, 2010 (Oral Presentation)
  • Meeting of American Physical Society, Pittsburgh, PA, USA, March 16-20, 2009 (Oral Presentation)
  • 10th Asian Conference on Solid State Ionics, Kandy, Sri Lanka, June 12-16, 2006 (Oral Presentation)
  • Workshop on “Physics for Renewable Energy”, International Center for Theoretical Physics, Trieste, Italy, October 17-29, 2005
  • Summer College on “Dynamics of Colloidal Systems”, University of Gothenburg, Gothenburg, Sweden, August 11-26, 2005
  • General-Physics workshop for the celebration of “World Year of Physics – 2005”, University of Bergen, Norway, August 8-10, 2005
  • 15th International Conference on Solid State Ionics, Baden-Baden, Germany, July 17-22, 2005 (Poster Presentation)

 

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