Dr. N. Karthikeyan

Research Publications in indexed & refereed International Journals:  

1. Electrodeposited Heterojunction CIS Semiconductor Alloys for Photocatalytic Degradation of Textile Dyes;
   N. Karthikeyan, T. Sivaranjani, and A. Stephen;
   International Journal of Scientific & Engineering Research; Volume 7, Issue 8, (2016); pp1419-1426
2. Visible light degradation of textile effluent using nanostructured TiO2/Ag/CuO photocatalysts
   N. Karthikeyan, V. Narayanan, and A. Stephen;
   International Journal of Nanosystems: Physics, Chemistry, Mathematics; Volume 7, Issue 4, (2016), pp695-698
3. Degradation of Textile Effluent using Nanocomposite TiO2/SnO2 Semiconductor Photocatalysts;
   N. Karthikeyan, V. Narayanan, and A. Stephen;
   International Journal of ChemTech Research; Volume 8, Issue 11, (2015), Pages 443-449
4. Synthesis and Characterization of nano-Titania Phases for Photocatalytic Degradation of Textile Dye Effluent;
   N. Karthikeyan, V. Narayanan, and A. Stephen;
   International Journal of Innovative Research in Science & Engineering Vol. 2 (Sp.1); (2014) pp 429-436
5. ZnO/Ag nanocomposite: An efficient catalyst for degradation studies of textile effluents under visible light;
   R. Saravanan, N. Karthikeyan, V.K.Gupta, E. Thirumal, P. Thangadurai, V. Narayanan, and A. Stephen;
   Materials Science and Engineering; Volume 33, Issue 4, (2013), Pages 2235–2244
6. Photocatalytic degradation of organic dyes using ZnO/CeO2 nanocomposite material under visible light;
   R. Saravanan, N. Karthikeyan, S. Govindan, V. Narayanan, and A. Stephen;
   Advanced Materials Research Vol. 584 (2012) pp 381-385.

 Research Presentations in International Conferences:  

1. Synthesis and characterization of coupled TiO2/Ag/CuO nanostructured materials for photocatalytic degradation of textile dye effluent; 
   N. Karthikeyan, V. Narayanan, and A. Stephen;
   Proceedings of 6th International Symposium for Research Scholars on Metallurgy, Materials Science and Engineering (ISRS), December 11 – 13, 2014; p105-106.
2. Effect of Annealing on Photocatalytic Degradation of Azo Dye by TiO2/CuO Binary Nanostructured Materials
   N. Karthikeyan, V. Narayanan, and A. Stephen;
   Proceedings of 5th International Symposium for Research Scholars on Metallurgy, Materials Science and Engineering (ISRS), December 13 – 15, 2012; p132.
3. Preparation and Characterization of TiO2/SnO2 Nanocomposite Photocatalysts, and their Application in Purification of Contaminated Water;
   N. Karthikeyan, D. Sangamithirai, V. Narayanan, and A. Stephen;
   Proceedings of 4th International Conference on Advanced Nano Materials (ANM), October 17 – 19, 2012; p116.
4. TiO2/SnO2 Nanocomposites: Effect of Annealing on Photocatalytic Degradation of Azo Dye;
   N. Karthikeyan, D. Sangamithirai, V. Narayanan, and A. Stephen;
   Proceedings of 2nd International Conference on Advanced Oxidation Processes (ICAOP), October 5-8, 2012; p258-261.
5. Photocatalytic degradation of organic dyes using ZnO/CeO2 nanocomposite material under visible light;
   R. Saravanan, N. Karthikeyan, S. Govindan, V. Narayanan, and A. Stephen;
   Proceedings of International Conference on Recent Trends in Advanced Materials (ICRAM), February 20-22, 2012; p64.
6. TiO2 and ZnO Nanomaterials: A comparison of Photocatalytic Degradation Efficiency of AZO Dye;
   N. Karthikeyan, R. Saravanan, and A. Stephen;
   Proceedings of International Conference on Advanced Materials (ICAM),December 12-16, 2011; p173.
7. Pyramid shaped nano CdO: Synthesis, characterization and application of Photocatalytic activity under UV Light;
   R. Saravanan, N. Karthikeyan, T. Prakash, V. Narayanan, and A. Stephen;
   Proceedings of International Conference on Advanced Materials (ICAM), December 12-16, 2011; p173.
8. Photocatalytic applications of nano-titania phases;
   N. Karthikeyan, R. Saravanan, and A. Stephen;
   Proceedings of International Conference on Advances in Materials and Materials Processing (ICAMM), December 9-11, 2011; p188.

Research Publications in refereed National Journals:

1. A Study on Personal Counselling for Students in the B.Sc. Degree Programme at the Open University of Sri Lanka;
   L.K. Senaratna, N. Karthikeyan, R.U. Tantrigoda, W.C.W. Perera and E.A.D.N.D. Edirisinghe;
   OUSL Annual Academic Session Proceedings – Nov 2007; pp8-11.
2. A Study of the Effectiveness of Academic Counselling for Students in the B.Sc. Degree Programme at the Open University of Sri Lanka;
   L.K. Senaratna, R.U. Tantrigoda, N. Karthikeyan, W.C.W. Perera, and E.A.D.N.D. Edirisinghe;
   OUSL Annual Academic Session Proceedings – Nov 2007; pp16-19.
3. A Study of the Effectiveness of Orientation Sessions for Students in the B.Sc. Degree Programme at the Open University of Sri Lanka;
   L.K. Senaratna, R.U. Tantrigoda, N. Karthikeyan, W.C.W. Perera, and E.A.D.N.D. Edirisinghe;
   OUSL Annual Academic Session Proceedings – Nov 2007; pp12-15.
4. A Preliminary Investigation on Needs and Effectiveness of Counselling for Students in the B.Sc. Degree Programme at the Open University of Sri Lanka;
   L.K. Senaratna, R.U. Tantrigoda, N. Karthikeyan, W.C.W. Perera, and E.A.D.N.D. Edirisinghe; OUSL Annual Academic Session Proceedings – November 2006; pp129-137.
5. Senadeera, G. K. R. , Liyanage, T. S. M., Jaseetharan, T., Sandamali, W. I., Dissanayake, M. A. K. L. , Perera, V. P. S., Rajendra, J. C. N., & Karthikeyan, N. (2021). Improving the photovoltaic parameters in CdS quantum dot sensitized SnO₂ based solar cells through incorporation of chemically deposited compact SnO₂ layer. Ceylon Journal of Science, 50(3), 243-248. DOI: http://doi.org/10.4038/cjs.v50i3.7905
6. Sandamali, W.I., Senadeera, G. K. R. Dissanayake, M.A.K.L., Jaseetharan, T., Perera, V.P.S., Rajendra, J.C.N., Karthikeyan, N. & Wijenayaka, L.A. (2021). The effect of surface plasmon resonance on the photovoltaic properties of CdS quantum dot sensitized solar cells. Sri Lankan Journal of Physics, Vol. 22, 71-79; DOI: http://doi.org/10.4038/sljp.v22i1.8095