Activities of the group include fabrication and characterization of semiconductor thin films for applications in photovoltaic and gas sensing devices and growth of semiconductor nano-structures for such applications by electrodeposition and fabrication of devices.

Group Members

Prof. J. K. D. S. Jayanetti
Prof. W. P. Siripala (Research Collaborator from Department of Physics, University of Kelaniya)
Prof. D. P. Dissanayake (Collaborator from Department of Chemistry, University of Colombo)
Dr. V. Kapaklis (Collaborator from Department of Materials Physics & Astronomy, Uppsala University, Sweden)

Ph.D. Students

Mr. K. M. D. C. Jayathilake
Project title: Electrodeposited cuprous oxide thin film solar cells (Financial Support from Higher Education for 21st Century (HETC))
Mrs. K. N. D. Bandara
Project title: Application of electrodeposited nanostructured metal oxide thin films for gas sensing (Financial Support from University Grant Commission (UGC))

Publications

Publications in Refereed Journals

  • Low cost solar cells with electrodeposited cuprous oxide J. Bionanoscience 3, No.2 (2009) 118-123 W. Siripala, K. M. D. C. Jayathileka, J. K. D. S. Jayanetti.
  • Electrodeposition of p-type, n-type and p-n Homojunction Cuprous Oxide Thin Films, Sri Lankan Journal of Physics 9 (2008) 35-46 K. M. D. C. Jayathileke, W. Siripala and J. K. D. S. Jayanetti.
  • Electrodeposition of nanocrystalline cuprous oxide thin films, Ceylon Journal of Science: Physical Sciences 12, (2007) 67-72 W. Siripala, W. J. L. D. Weerasinghe and J. K. D. S. Jayanetti.
  • Electrodeposition and characterization of CuInSe2 for applications in thin film solar cells, Thin Solid Films, 382, (2001) 158 ; K.T.L. De Silva, W. A. A. Priyantha, J. K. D. S. Jayanetti, B. D. Chitrani, W. Siripala, K. Blake and I. M. Dharmadasa.
  • Grain size effects on the reactivity of thermally deposited and electrodeposited copper thin films, Ceylon Journal of Science: Physical Sciences 3(1), (1996) 13; C. R. Vithanage, J. K. D. S. Jayanetti and K. T. L. de Silva.
  • Study of annealing effects of cuprous oxide grown by electrodeposition technique, Solar Energy Materials & Solar Cells 44 (1996) 251; W. Siripala, L. D. R. D. Perera, K. T. L. De Silva, J. K. D. S. Jayanetti and I. M.  Dharmadasa.

Proceedings in International/Local Conferences

  • Sulphidation of electrodeposited nanocrystalline cuprous oxide thin films for solar energy applications, Solar Asia 2011, Proceedings of the International Conference on Solar Energy Materials, Solar Cells and Solar Energy Applications, Institute of Fundamental Studies, Kandy, Sri Lanka (2011) 112; K. M. D. C Jayathileka, W. Siripala, J.K.D.S. Jayanetti.
  • Electrodeposited nano-crystalline cuprous oxide thin films for solar energy applications, Proceedings of the Postgraduate Symposium, University of Colombo, (2011), 292, KMDC Jayathileka,W Siripala and J. K. D. S. Jayanetti.
  • Fast responding polyaniline based humidity sensor, Proceedings of the Postgraduate Symposium, University of Colombo, (2011), 260, P. Herath, M. K. Jayananda, J. K. D. S. Jayanetti, D. P. Dissanayaka.
  • Use of Cu2O microcrystalline thin film semiconductors for gas sensing, Proc. Technical Sessions,25, IPSL, Sri Lanka (2009), P. A. Praveen Janantha, L. N. L. Perera, K. M. D. C. Jayathilaka, J. K. D. S. Jayanetti, D. P. Dissanayaka and W. P. Siripala.
  • Donor and Accepter Density Variation in Electrodeposited Cuprous Oxide thin films, Proc. 23rd Tech. Sessions. Inst. Phys., Sri Lanka (2007) K. M. D. C. Jayathilaka, W. Siripala, J. K. D. S. Jayanetti.
  • Fabrication and characterization of Eectrodeposited nanocrystalline / microcrystalline Cuprous Oxide thin films solar cells, Proc. 9th Annual Research Symp. 2008, University of Kelaniya, (2008) , K. M. D. C. Jayathilake, W. Siripala, W. T. M. A. P. K. Wanninayake, J. K. D. S. Jayanetti.
  • Electrodepostion of nanocrystalline Cuprous Oxide thin films for solar energy application, Proc. 8th Annual Research Symp. 2007, University of Kelaniya, (2007) , K. M. D. C. Jayathilaka, W. Siripala, J. K. D. S. Jayanetti.
  • Fabrication of an el;etrodeposited p-n junction photoelectrode for solar energy applications, Proc. 7th Annual Research Symp. 2006, University of Kelaniya, (2006) , KMDC Jayathilaka, W Siripala, J.K.D.S. Jayanetti.
  • Fabrication and characterization of CuInS2/ZnSe/metal structure solar cell applications, , Proc. Technical Sessions,16, IPSL, Sri Lanka (2000) 63; R. P. Wijesundara, N. P. Gunatunga, W. Siripala, K. D. Jayasuriya, S. R. D. Kalingamudali, K. T. L. De Silva and J. K. D. S. Jayanetti.
  • A study of CuInS2 thin films for photovoltaic applications, Proc. Technical Sessions,15, IPSL, Sri Lanka (1999) 52; R. P. Wijesundara, M. P. Nadesalingam, W. Siripala, K. D. Jayasuriya, S.R.D. Kalingamudali, J. K. D. S. Jayanetti and K. T. L. De Silva.
  • Growth and characterization of CuInS2 thin Films, Proceedings of the Workshop on Low Cost Electronic Materials and Solar Cells, Sri Lanka, (1999) 41; R. P. Wijesundara, W. Siripala, K. D. Jayasuriya, S. R. D. Kalingamudali, K. T. L. De Silva, J. K. D. S. Jayanetti, A. P. Samanthilaka and I. M. Dharmadasa.
  • Photo electrochemical characterization of ZnSe coated copper indium sulfide thin film electrodes, Proceedings of the 55th annual sessions, SLAAS, Sri Lanka, (1999) 203; R. P. Wijesundara, W. Siripala, K. D. Jayasuriya, S. R. D. Kalingamudali, K. T. L. De Silva and J. K. D. S. Jayanetti.
  • Electrodeposited cuprous oxide for solar cell applications, Proceedings of the Workshop on Low Cost Electronic Materials & Solar Cells, Colombo, Sri Lanka (1997) 85; L. D. R. D. Perera, W. Siripala, K. D. Jayasuriya, K. T. L. De Silva, J. K. D. S. Jayanetti and I. M.  Dharmadasa.
  • Study of annealing effects of electrodeposited CuInSe2 films, Proceedings of the Workshop on Low Cost Electronic Materials & Solar Cells, (1997), Colombo, Sri Lanka; W. A. A. Priyantha, B. D. Chitrani, K. T. L. De Silva, J. K. D. S. Jayanetti and W. P. Siripala.
  • ITO/n- Cu2O/p-CuxS thin film solar cell, Proceedings of the 53rd annual sessions, SLAAS, Sri Lanka, (1997) 290; L. D. R. D. Perera, R. Wijesundara, W. Siripala, K. D. Jayasuriya, K. T. L. De Silva and J. K. D. S. Jayanetti.
  • Temperature dependent X-ray diffraction studies of SnO thin films, Proceedings of the 53rd annual sessions, SLAAS, Sri Lanka, (1997) 299; W. A. A. Priyantha, C. R. Vithanage, J. K. D. S. Jayanetti and K. T. L. De Silva.
  • I-V characteristics of ITO/Cu2O/metal junctions, Proceedings of the 52nd annual sessions, SLAAS, Sri Lanka, (1996) 161; L. D. R. D. Perera, W. Siripala, S. R. D. Kalingamudali, J. K. D. S. Jayanetti and K. T. L. De  Silva.

Postgraduate Theses

  • Electrodeposited Cuprous Oxide/Cuprous Sulphide Thin Film Solar Cell, M. Phil. thesis, University of Kelaniya, June 2010
  • Optimization of Dye-sensitized Solid State Electrochemical Photovoltaic Cells by TiO2 Film Modification, G. M. L. P. Aponsu, M. Phil. thesis, University of Colombo, March 2004
  • Grain Size Effects on the Reactivity of Thermally Deposited and Electrodeposited Copper and Tin Thin Films, C. R. Vithanage, M. Phil. thesis, University of Colombo, January 1999