• Electrochemical study of graphene oxide films supported on glassy carbon electrode 

  Nissanka, Buddini; Colavita, Paula E.; Jayasundara, Dilushan R. (University of Colombo, 2021)

  In recent times, Graphene Oxide (GO) based materials have attracted considerable attention in the development of electrodes for a wide range of electrochemical applications. However, insulating nature of GO has limited ...
• Sulfidation of electrodeposited microcrystalline/nanocrystalline cuprous oxide thin films for solar energy applications 

  Jayathilaka, K.M.D.C.; Kapaklis, V.; Siripala, W.; Jayanetti, J. K. D. S. (IOP Publishing Ltd, 2012)

  Grain size of polycrystalline semiconductor thin films in solar cells is optimized to enhance the efficiency of solar cells. This paper reports results on an investigation carried out on electrodeposited n-type cuprous ...
• Stability of nano-hydroxyapatite thin coatings at liquid/solid interface 

  Fernando, Nimshi L.; Kottegoda, Nilwala; Jayanetti, J. K. D. S.; Karunaratne, Veranja; Jayasundara, Dilushan R. (Elsevier B.V, 2018)

  The stability of nano-hydroxyapatite thin coatings immediately after deposition, sonication and prolong water exposure was monitored using the quartz crystal microbalance. Different morphological forms of nano-hydro ...
• Enhancement of Solar Cell Performance of Electrodeposited Ti/n-Cu2O/p-Cu2O/Au Homojunction Solar Cells by Interface and Surface Modification 

  Jayathilaka, Charith; Kumara, Loku Singgappulige Rosantha; Ohara, Koji; Song, Chulho; Kohara, Shinji; Sakata, Osami; Siripala, Withana; Jayanetti, J. K. D. S. (2020)

  Cuprous oxide (Cu2O) homojunction thin films on Ti substrates were fabricated by an electrochemical deposition in which a p-Cu2O layer was deposited on an n-Cu2O layer by carefully controlled bath conditions. It was found ...
• Improved efficiency of electrodeposited p-CuO/n-Cu2O heterojunction solar cell 

  Jayathilaka, Charith; Kapaklis, Vassilios; Siripala, Withana; Jayanetti, J. K. D. S. (2015)

  We report electrodeposition of n-type cuprous oxide (Cu2O) films on p-type CuO films electrodeposited on Ti substrates for forming p-CuO/n-Cu2O heterostructures. X-ray diffraction (XRD) and scanning electron microscopy ...

• Electrochemical study of graphene oxide films supported on glassy carbon electrode 

  Nissanka, Buddini; Colavita, Paula E.; Jayasundara, Dilushan R. (University of Colombo, 2021)

  In recent times, Graphene Oxide (GO) based materials have attracted considerable attention in the development of electrodes for a wide range of electrochemical applications. However, insulating nature of GO has limited ...
• Sulfidation of electrodeposited microcrystalline/nanocrystalline cuprous oxide thin films for solar energy applications 

  Jayathilaka, K.M.D.C.; Kapaklis, V.; Siripala, W.; Jayanetti, J. K. D. S. (IOP Publishing Ltd, 2012)

  Grain size of polycrystalline semiconductor thin films in solar cells is optimized to enhance the efficiency of solar cells. This paper reports results on an investigation carried out on electrodeposited n-type cuprous ...
• Stability of nano-hydroxyapatite thin coatings at liquid/solid interface 

  Fernando, Nimshi L.; Kottegoda, Nilwala; Jayanetti, J. K. D. S.; Karunaratne, Veranja; Jayasundara, Dilushan R. (Elsevier B.V, 2018)

  The stability of nano-hydroxyapatite thin coatings immediately after deposition, sonication and prolong water exposure was monitored using the quartz crystal microbalance. Different morphological forms of nano-hydro ...
• Enhancement of Solar Cell Performance of Electrodeposited Ti/n-Cu2O/p-Cu2O/Au Homojunction Solar Cells by Interface and Surface Modification 

  Jayathilaka, Charith; Kumara, Loku Singgappulige Rosantha; Ohara, Koji; Song, Chulho; Kohara, Shinji; Sakata, Osami; Siripala, Withana; Jayanetti, J. K. D. S. (2020)

  Cuprous oxide (Cu2O) homojunction thin films on Ti substrates were fabricated by an electrochemical deposition in which a p-Cu2O layer was deposited on an n-Cu2O layer by carefully controlled bath conditions. It was found ...
• Improved efficiency of electrodeposited p-CuO/n-Cu2O heterojunction solar cell 

  Jayathilaka, Charith; Kapaklis, Vassilios; Siripala, Withana; Jayanetti, J. K. D. S. (2015)

  We report electrodeposition of n-type cuprous oxide (Cu2O) films on p-type CuO films electrodeposited on Ti substrates for forming p-CuO/n-Cu2O heterostructures. X-ray diffraction (XRD) and scanning electron microscopy ...
• Surface properties of sulphur based surface modified n-Cu2O thin films for enhanced liquefied petroleum gas sensing 

  Bandara, K.N.D.; Jayathilaka, K.M.D.C.; Gunewardene, M. S.; Dissanayake, D.P; Jayanetti, J. K. D. S. (IOP Publishing Ltd, 2017)

  The surface of electrodeposited n-Cu2O thin films were modified by sulphidation using aqueous Na2S followed by (NH4)2S vapor treatment. Compared to untreated thin films, the resultant films showed an enhanced response ...
• Nanoporous Cu2O nanotube/nanorod array electrodes for non-enzymatic glucose sensing with high sensitivity and very low detection limit 

  Jayasingha, Lakmini; Jayathilaka, Charith; Kumara, Roshantha; Ohara, Koji; Kaumal, Migelhewa; Gunewardene, Siyath; Dissanayake, Dhammike; Jayanetti, J. K. D. S. (2020)

  This study compares the non-enzymatic glucose sensing performance by Cu2O nanorods/nanotubes grown using electrochemically anodized Cu foam and Cu plates to form binder free one-dimensional Cu(OH)2 nanostructures which ...
• Ammonium Sulfide Surface Treatment of Electrodeposited p-Type Cuprous Oxide Thin Films 

  Jayathilaka, K.M.D.C.; Kapaklis, V.; Siripala, W.; Jayanetti, J. K. D. S. (2014)

  The effects of ammonium sulfide surface treatment on electrodeposited p-type polycrystalline cuprous oxide (Cu2O) thin films deposited on Ti substrates were studied. The structural and morphological properties of the films ...
• Sulfidation of electrodeposited microcrystalline/nanocrystalline cuprous oxide thin films for solar energy applications 

  Jayathilaka, K.M.D.C.; Siripala, W.; Kapaklis, V.; Jayanetti, J. K. D. S. (2012)

  Grain size of polycrystalline semiconductor thin films in solar cells is optimized to enhance the efficiency of solar cells. This paper reports results on an investigation carried out on electrodeposited n-type cuprous ...
• Stability of nano-hydroxyapatite thin coatings at liquid/solid interface 

  Fernando, Nimshi L; Kottegoda, Nilwala; Jayanetti, J. K. D. S.; Karunaratne, Veranja; Jayasundara, Dilushan R. (2018)

  The stability of nano-hydroxyapatite thin coatings immediately after deposition, sonication and prolong water exposure was monitored using the quartz crystal microbalance. Different morphological forms of nano-hydro ...
• Surface treatment of electrodeposited n-type Cu2O thin films for applications in Cu2O based devices 

  Jayathilaka, K.M.D.C.; Kapaklis, V.; Siripala, W.; Jayanetti, J. K. D. S. (2014)

  In this Letter, we report the effects of ammonium sulfide [(NH4)2S] surface treatment on electrical and optical charac teristics of the electrodeposited n-type Cu2O thin films on Ti substrates. Films characterized ...
• Effect of chlorine doping on electrodeposited cuprous oxide thin films on Ti substrates 

  Jayathilaka, K.M.D.C.; Jayasinghe, A.M.R.; Sumanasekara, G.U; Kapaklis, V.; Siripala, W.; Jayanetti, J. K. D. S. (2015)

  Highly photoactive Cl-doped Cu2O films were electrodepos ited potentiostatically on Ti substrates. Optimum deposition potential was determined by Linear-Sweep Voltammetry measurements. The influence of chlorine doping ...
• Effect of Bath pH on Electronic and Morphological Properties of Electrodeposited Cu2O Thin Films 

  Kalubowila, K. D. R. N.; Jayathilaka, K.M.D.C.; Kumara, L. S. R.; Ohara, K.; Kohara, S.; Sakata, O.; Gunewardene, M. S.; Jayasundara, J. M. D. R; Dissanayake, D.P.; Jayanetti, J. K. D. S. (2019)

  The ability to systematically vary the flatband potential and the band edge positions of Cu2O by varying the deposition bath pH is considered important in the context of using Cu2O for photocatalytic water splitting. ...
• Mechanistic Insights into Interactions at Urea−Hydroxyapatite Nanoparticle Interface 

  Fernando, Nimshi L.; Rathnayake, Dhanusha T.N.; Kottegoda, Nilwala; Jayanetti, J. K. D. S.; Karunaratne, Veranja; Jayasundara, Dilushan R. (ACS Publications, 2021)

  Development of controlled release biomolecules by surface modification of hydroxyapatite nanoparticles has recently gained popularity in the areas of bionanotechnology and nanomedicine. However, optimization of these ...
• Annealing effects of the untreated and sulfur-treated electrodeposited n-type and p-type cuprous oxide thin films 

  Jayathilaka, K.M.D.C.; Kumara, L. S. R.; Song, C. H.; Kohara, S.; Sakata, O.; Kapaklis, V.; Siripala, W.; Jayanetti, J. K. D. S. (2015)

  The n-type and p-type cuprous oxide thin films were electrodeposited potentiostatically in acetate and lactate baths, respectively. Sulfur treatment of n-type and p-type cuprous oxide surfaces were achieved using gaseous ...
• Surfactant free template assisted electrodeposited n-type nano-cubic Cu2O thin films for nonenzymatic glucose sensing 

  Jayasingha, J. L. K.; Kaumal, M. N.; Gunewardene, M. S.; Jayanetti, J. K. D. S.; Jayathilaka, K.M.D.C.; Dissanayake, D.P. (2017)

  Amperometric sensing measurements of glucose were performed using n-Cu2O nano-cubic films fabricated on Ti using a surfactant free template aided electrodeposition method. The electrochemical performance of these films ...
• Low Cost Ambient Light Sensing Device based on Sulphided Cu2 O Thin Film Photo-Sensor 

  Kalubowila, K. D. R. N.; Jayanetti, J. K. D. S.; Gunewardene, M. S.; Jayathilaka, K.M.D.C.; Siripala, W. (2014)

  A standalone ambient light sensing device was constructed by interfacing a sulphided Cuprous Oxide (Cu2 O) thin film semiconductor based photo-sensor. The photo-sensor was custom fabricated by depositing n-type Cu2 O ...
• Glass Surface Functionalized with Polyaniline as a Fast Responding Humidity Sensor 

  Herath, H. M. P. C. K.; Pradeep, E. K. C; Jayananda, M. K; Jayanetti, J. K. D. S.; Kapaklis, V.; Dissanayake, D.P. (International Frequency Sensor Association (IFSA) Publishing, 2012)

  Polyaniline functionalized glass surfaces display excellent sensitivity and fast response to humidity. Functionalized glass surfaces were generated by first exposing hot glass surfaces to SOCl2 and aniline monomers and ...
• Reduction-Induced Synthesis of Reduced Graphene Oxide-Wrapped Cu2O/Cu Nanoparticles for Photodegradation of Methylene Blue 

  Kalubowila, K. D. R. N.; Gunewardene, M. Siyath; Jayasingha, J. Lakmini Kaushalya; Dissanayake, Dhammike; Jayathilaka, Charith; Jayasundara, J. M. Dilushan; Gao, Yun; Jayanetti, J. K. D. S. (ACS Publications, 2021)

  A photocatalytic composite in powder form having nanosized Cu2O/Cu granules wrapped in multilayered reduced graphene oxide (rGO) sheets was synthesized. The fabrication process was initiated by potentiostatic electrodeposition ...
• Enhancement of Solar Cell Performance of Electrodeposited Ti/n-Cu2O/p-Cu2O/Au Homojunction Solar Cells by Interface and Surface Modification 

  Jayathilaka, Charith; Kumara, Loku Singgappulige Rosantha; Ohara, Koji; Song, Chulho; Kohara, Shinji; Sakata, Osami; Siripala, Withana; Jayanetti, J. K. D. S. (2020)

  Cuprous oxide (Cu2O) homojunction thin films on Ti substrates were fabricated by an electrochemical deposition in which a p-Cu2O layer was deposited on an n-Cu2O layer by carefully controlled bath conditions. It was found ...

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