Professor V.P. Susira Perera

Abstracts/Presentations at International Symposia

1. R.C.L. De Silva and V.P.S. Perera,Utilization of nanoporous TiO2 Films as Active Anodes of Sodium-ion Rechargeable Battereies, 4th International Symposium of Sabaragamuwa University of Sri Lanka, (11th-12th January 2013), Pg 85.
2. Use of surface plasmon resonance of gold nanoparticles in the efficiency enhancement of dye sensitized solar cells with TiO2, T.R.C.K.  Wijayarathna, Y.P.Y.P. Ariyasinghe, G.K.R. Senadeera, V.P.S. Perera,  C.A. Thotawatthage , Solar Asia 2013,Conference proceedings , University of Malaya, KL, Malysia (22-24August 2013) p 123-130.
3. C.H. Manathunga and V.P.S. Perera,Polly Aniline as a Hole Conductor in Dye-sensitized Solid-state Solar Cells, 4th International Symposium of Sabaragamuwa University of Sri Lanka, (11th-12th January 2013), Pg 96
4. Nupearachchi, C.N., Thotawatthage, C.A., Senadeera, G.K.R. and Perera, V.P.S. Comparison of Natural Pigments in Black Tea and Green Tea with DSSCs, Proceedings of Solar Asia 2011 International Conference (July 2011), pg 241 – 245
5. Nupearachchi, C.N., Wijayarathna, T.R. C. K. and Perera, V.P.S. Utilization of Natural Pigment Extracted from Henna Leaf in Combination with Gelatine as a Sensitizer in Photoelectrochemical  Solar Cells , Proceedings of Solar Asia 2011 International Conference (July 2011), pg 236 – 240
6. Enhancement of the photovoltaic properties of dye-sensitized solar cells by incorporation of gold nano-particles to SnO2 films, G.L.M.P. Aponsu and V.P.S. Perera, Third International Symposium of Sabaragamuwa University of Sri Lanka, August, 2010. ings of Solar Asia 2011 International Conference (July 2011), pg 236 – 240
7. Solid-state dye sensitized photocells fabricated with nanocrystalline SnO2 covered with a thin layer of MgO, V.P.S. Perera, G.K.R. Senadeera, K. Tennakone, S. Ito, Y. Wada and S. Yanagida, 14 th international conference on photochemical conversion and storage of solar energy, August 4 -9, 2002, Sapporo, Japan. 
8. The effect of aluminium on photocurrent increment in dye sensitized photoelectrochemical cells based on nanocrystalline SnO2 films, V.P.S.Perera, G.K.R.  Senadeera and K. Tennakone, Third Asian photochemistry conference (APC-2002) 6 -11 January, Mumbai, India

 Abstracts/Presentations at Local Symposia

1. L.M.M. De Silva, G.M.L.P. Aponsu, Vijanaka  Fernando, J.C.N. Rajendra, V.P.S. Perera, (November 27 & 28, 2014) Performance of dye-sensitized solar cells coated with an ultra thin layer of sio2 around sno2 particles, Proceedings of Annual Academic  Sessions of Open University of Sri Lanka, pg 324-327
2. R.M.S. Virajini, V.P.S. Perera and J.C.N. Rajendra, (March 22, 2014) Physical Properties and Content of Silica in Different Varieties of Rice Husk Found in Sri Lanka, Proceedings of 30th Technical Sessions of Institute of Physics Sri Lanka, pg 105-110
3. R.M.S. Virajini, V.P.S. Perera and J.C.N. Rajendra, Characterization of Silica Extracted from Post Harvest Residue, OUSL Annual Academic Sessions 2013 (27th and 28th of November 2013), pg 1382 -1386.
4. C.H. Manathunga and V.P.S. Perera, Impedance Spectroscopic Analysis of Poly Aniline Films for Photovoltaic Applications. OUSL Annual Academic Sessions 2013(27th and 28th of November 2013), pg 1365 -1368.
5. R.C.L. De Silva, V.P.S. Perera and S.R.D. Rosa, Utilization of thermally synthesized NaCoO2 in Cathodes of Sodium ion rechargeable Batteries. OUSL Annual Academic Sessions 2013 (27th and 28th of November 2013), pg 1357 -1360.
6. N.F. Ajward, L.A.N. Deshapriya, C.H. Manathunga, D.L.N. Jayathilaka and V.P.S. perera, Copper iodide as the hole transport layer in bulk heterojunction organic photovoltaics, OUSL Annual Academic Sessions 2013 (27th and 28th of November 2013), pg 1361 -1364.
7. C. H. Manathunga and V.P.S. Perera, Quasi-solid state dye sensitized solar cells constructed using PEDOT:PSS as the hole conductor, Proceedings of 28th Technical Sessions of Institute of Physics Sri Lanka, 29 (March 31, 2013) 23-27.
8. R.C.L. De Silva, V.P.S. perera and S.R.D. Rosa, Synthesis and characterization of NaxMnO2 as positive electrodes materials for sodium-ion batteries, OUSL Annual Academic Sessions 2012 (27th and 28th of February 2013), pg 206 -209. language:AR-SA’>Proceedings of 28th Technical Sessions of Institute of Physics Sri Lanka, 29 (March 31, 2013) 23-27.
9. C.H. Manathunga, N.F. Ajward, L.A.N Deshapriya and V.P.S. Perera, Quasi –solid dye sensitized solar cell with poly(3-hexylthiophene) as a hole conductor, OUSL Annual Academic Sessions 2012 (27th and 28th of February 2013), pg 226 -229.
10. De Silva R.C.L. and Perera V.P.S., Synthesis and Characterization of Sodium Cobolt Oxide Nanostructures for Sodium –ion Batteries, 13th Annual Research Symposium, University of Kelaniya, ( 22-23 November 2012), pg 32-33.
11. Nupearachchi, C.N and Perera, V.P.S. Characterization of Composite Films Made from Tin(IV) Oxide and Aluminium Oxide with Impedance Spectroscopy, Proceedings of 28th Technical Sessions of Institute of Physics Sri Lanka (31st March 2012), pg 09- 14. ndFragment–> :AR-SA’>Proceedings of 28th Technical Sessions of Institute of Physics Sri Lanka, 29 (March 31, 2013) 23-27.
12. M. R. Nishantha, V.P.S. Perera, Sensitization of photoelectrochemical solar cells with a natural dye extracted from Kopsia flavida fruit. Proceedings of 28th Technical Sessions of Institute of Physics Sri Lanka (31st March 2012), pg 54- 58. mso-spacerun:yes’
13. Nupearachchi, C.N., Thotawatthage, C.A., Senadeera, G.K.R. and Perera, V.P.S. Comparison of Flavonoids in Black Tea and Green Tea as Sensitizers in Dye Sensitized Solar Cells, Proceedings of Young Scientists Forum Symposium 2011 (27th January 2012), pg 18
14. Nupearachchi, C.N. and Perera, V.P.S. Characterization of Composite Films Made from Tin(IV) Oxide and Titanium(IV)  Oxide with Impedance Spectroscopy, Proceedings of 7th OUSL Annual Academic Sessions 2011 (14th and 15th of September 2011), pg 253 -256
15. Nupearachchi, C.N. and Perera, V.P.S. Utilization of Natural Henna in Combination with Black Tea as a Sensitizer in Dye Sensitized Solar Cells , Proceedings of 7th OUSL Annual Academic Sessions 2011 (14th and 15th of September 2011), pg 249 -252 /span
16. Perera, B. K. S. , Nupearachchi, C.N and Perera, V.P.S. Utilization of a Natural Pigment Extracted from Nilkatarolu Flowers as a Sensitizer in Photoelectrochemical Solar Cells, Proceedings of 27th Technical Sessions of Institute of Physics Sri Lanka (IPSL) (26th March 2011), pg 37- 41
17. Nupearachchi, C.N and Perera, V.P.S. Characterization of Composite Films Made from Tin(IV) Oxide and Zinc Oxide with Impedance Spectroscopy, Proceedings of 27th Technical Sessions of Institute of Physics Sri Lanka (IPSL) (26th March 2011), pg 26- 31
18. L. R. Gallege, Y.P.Y.P. Ariyasinghe and V.P.S. Perera, Degradation of Dye-sensitized Solar Cells due to Formation of Surface States in the Semiconductor Film, Proceedings of 27th Technical Sessions of Institute of Physics Sri Lanka (IPSL) (26th March 2011)
19. Utilization of natural henna as a sensitizer in photoelectrochemical solar cells, C.N. Nupearachchi, T.R.C.K.Wijayarathna and V.P.S. Perera, 66th annual scientific sessions of Sri Lanka Association for the Advancement of Science-2010.
20. Composite Photoelectrode Made from Oxides of Tin and Zinc with Zinc Stannate Buffer Layer for Dye-Sensitized Solar Cells, M.R.Nishantha and V.P.S.Perera, 26th technical sessions of Institute of Physics Sri Lanka, March, 2010.
21. Electroplated nickel grids for dye-sensitized photo electrochemical solar panels, M. R. Nishantha, V.P.S. Perera, T.R.C.K.Wijayarathna and Y.P.Y.P.Ariyasinghe, 65th annual scientific sessions of Sri Lanka Association for the Advancement of Science-2009.
22. Introduction of an electrolytic topping up bath to dye-sensitized photo electrochemical solar cells, M. R. Nishantha and V.P.S. Perera, 25th technical sessions of Institute of Physics Sri Lanka, March, 2009. -font-style:normal’> Proceedings of 27th Technical Sessions of Institute of Physics Sri Lanka (IPSL) (26th March 2011)
23. Use of electrolytes with I3-/ I- redox couple as UV filter of dye sensitized solar cells, M R Nishantha and V P Susira Perera, 64th annual scientific sessions of Sri Lanka Association for the Advancement of Science-2008.
24. Electron kinetics of dye-sensitized Solar cells made from Al2O3 coated SnO2 nanocrystalline films, R Chinthaka L De Silva, Lalantha S.G.Liyanage, V P Susira Perera, 64th annual scientific sessions of Sri Lanka Association for the Advancement of Science-2008.
25. Study of charge transport and carrier lifetime in dye-sensitized solar cells made from gold particle embedded SnO2 films, R Chinthaka L De Silva, L S G Liyanage and V P Susira Perera, 24st technical sessions of Institute of Physics Sri Lanka, March, 2008
26. Electron kinetics study of dye-sensitized Solar cells made from MgO coated SnO2 nanocrystalline films, R Chinthaka L De Silva, V P Susira Perera, 63rd annual scientific sessions of Sri Lanka Association for the Advancement of Science.
27. Comparison of dye-sensitized photo electrochemical cell and solid-state cell: Studies of charge transport and carrier lifetime, V P Susira Perera, L S G Liyanage, R Chinthaka L De Silva, 63rd annual scientific sessions of Sri Lanka Association for the Advancement of Science.
28. Deposition of Pt and Au quantum dots on TiO2 nanoparticles: study of ballistic electron transport with dye-sensitization. V P S Perera and L S G. Liyanage, 62nd annual scientific sessions of Sri Lanka Association for the Advancement of Science.
29. Effect of Cu2-xO quantum particles on TiO2 films of Dye-sensitized solar cells. M K I Senevirathna, L S G LIyanage and V P S Perera, 62nd annual scientific sessions of Sri Lanka Association for the Advancement of Science.
30. Deposition of Quantum Dot Shell on Semiconductor Particles: A Strategy to suppress Recombination in Dye-sensitized Solar Cells based on ZnO, P.K.D.D.P. Pitigala, M.K.I. Senevirathne, L.S.G. Liyanage and V.P.S. Perera, 61st annual sessions of Sri Lanka Association for the Advancement of Science.
31. Photovoltaic Effects of Dye Deposited Metal Electrodes in Electrolytic Media, E.V.A. Premalal and V.P.S. Perera, 1st technical sessions of Institute of Physics Sri Lanka, March, 2005.
32. Sacrificial photoreduction of water with Cu2O coated TiO2, M K I Senevirathna, P K D D P Pitigala and V P S Perera, 59 th annual sessions of the Sri Lanka Association for Advancement of Science (2004)
33. Efficient dye-sensitized solar cell with dye-semiconductor multilayers, V.P.S. Perera, P.K.D.D.P. Pitigala, M.K.I. Senevirathne, 20 th technical session of institute of physics Sri lanka, March 20, 2004
34. Study of conductivity of p-CuSCN doped with halides, V.P.S. Perera, 59 th annual sessions of the Sri Lanka Association for Advancement of Science (2003)
35. Surface trap mediated recombinations in dye-sensitized solid-state solar cell with CuI as hole collector, V.P.S. Perera and K. Tennakone, 19 th technical session of institute of physics Sri lanka, March 22, 2003
36. Suppression of electron hole recombination in dye sensitized photocells by capsulating SnO2 particles with MgO thin shell, V.P.S. Perera and G.K.R. Senadeera, 18 th technical session of institute of physics Sri lanka, March 16, 2002
37. The photoelectric response of nanocrystalline TiO2 electrode sensitized by electrodeposited C60 films with hole collecting inorganic semiconductor CuCNS, G.K.R. Senadeera and V.P.S. Perera, 18 th technical session of institute of physics Sri lanka, March 16, 2002
38. Dye sensitized polymeric photoelectrochemical cells with SnO2/ZnO electrode, G.K.R. Senadeera, V.P.S. Perera, I.R.M. Kottegoda, L.A.A. De Silva and K. Tennakone, Proceedings of the workshop on low cost electronic materials and solar cells. 4-5 March 1999 Peradeniya, Sri Lanka
39. Sensitization of nanoporous film consisting of oxides of tin and Zinc and construction of a dye sensitized photoelectrochemical cell, K. Tennakone V.P.S. Perera, L.A.A. De Silva and I.R.M. Kottegoda, Proceedings of the workshop on low cost electronic materials and solar cells. 4-5 March 1999 Peradeniya, Sri Lanka nakone Proceedings of the workshop on low cost electronic materials and solar cells. 4-5 March 1999 Peradeniya, Sri Lanka
40. The photostability of Dye-sensitized solid-state photovoltaic cell: Nano-porous n-TiO2/Cyanidin/CuI, K. Tennakone, G.R.R.A. Kumara, I.R.M. Kottegoda, K.G.U. Wijayantha, V.P.S. Perera and G.M.L.P. Aponsu, Proceedings of the workshop on low cost electronic materials and solar cells. 5-6 March 1997 Colombo, Sri Lanka Proceedings of the workshop on low cost electronic materials and solar cells. 4-5 March 1999 Peradeniya, Sri Lanka
41. Copper chlorophyllin sensitized nano-porous solid-state photovoltaic cell, K. Tennakone, G.R.R.A. Kumara, I.R.M. Kottegoda, K.G.U. Wijayantha, V.P.S. Perera and G.M.L.P. Aponsu, Proceedings of the workshop on low cost electronic materials and solar cells. 5-6 March 1997 Colombo, Sri Lanka
42. Suppression of recombinations in dye sensitized photo electrochemical cells based on SnO2 films coated with a thin layer of Aluminium oxide, K. Tennakone and V.P.S. Perera, 55 th annual sessions of the Sri Lanka Association for Advancement of Science (1999)
43. Characteristics of quasi photoelectrochemical cells with SnO2/Zno and TiO2 films, K. Tennakone, G.K.R. Senadeera, V.P.S. Perera, I.R.M. Kottegoda and L.A.A. De Silva, 55 th annual sessions of the Sri Lanka Association for Advancement of Science (1999)
44. Nano-porous n-TiO2/selenium/p-CuCNS photovoltaic cell, K. Tennakone, G.R.R.A. Kumara, I.R.M. Kottegoda, V.P.S. Perera, and G.L.M.P. Aponsu, 54 th Annual sessions of the Sri Lanka Association for the Advancement of Science (1998)
45. Sensitization of ZnO photoanode by ruthenium bipyridyl complex, K.Tennakone, G.R.R.A.Kumara, I.R.M.Kottegoda, V.P.S. Perera, and P.S.R.S.Weerasundara, 54 rd Annual sessions of the Sri Lanka Association for the Advancement of Science (1998)
46. Sensitization of nano-porous film of TiO2 with Santalin (red sandalwood pigment) and construction of dye-sensitized solid-state photovoltaic cell (abstract). K.Tennakone, G.R.R.A.Kumara, I.R.M. Kottegoda, V.P.S. Perera, and P.S.R.S.Weerasundara, In: Proceeding of the 54 rd Annual sessions of the Sri Lanka Association for the Advancement of Science (1998)
47. A nano-porous solid-state photovoltaic cell sensitized with Delphinidin, K. Tennakone, G.M.L.P. Aponsu, G.R.R.A. Kumara, I.R.M. Kottegoda, V.P.S. Perera, and K.G.U. Wijayantha, 53 rd Annual sessions of the Sri Lanka Association for the Advancement of Science (1997)
48. A nano-porous solid-state photovoltaic cell sensitized with Tannin, K. Tennakone, I.R.M. Kottegoda, G.R.R.A. Kumara, K.G.U. Wijayantha, V.P.S. Perera, G.M.L.P. Aponsu,53 rd Annual sessions of the Sri Lanka Association for the Advancement of Science (1997)