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Browsing by Subject "Electrodeposition"

Browsing by Subject "Electrodeposition"

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  • Development of ZnO Thin Films for Gas Sensing Applications 
    Tharangika, M.O.; Atapattu, H.Y.R.; De Silva, D.S.M. (International Research Conference (IRCUWU 2019),”Sustainable Business Transition through Technology and Innovation”, Uva Wellassa University of Badulla, Sri Lanka, 2019)
    In recent decades' gas sensing technology has become significant due to its widespread and common applications in the areas of industrial production, automotive industry, medical applications, indoor air quality supervision ...
  • THE EFFECT OF CONCENTRATION AND PH OF CdC12 SOLUTION USED IN CdC12 TREATMENT ON THE PROPERTIES OF CdS THIN FILMS 
    Atapattu, I I.Y.R.; De Silva, D.S.M.; Pathiratne, K.A.S.; Dharmadasa, I.M. (Solar Asia 2018 Int. Conf. National Institute of Fundamental Studies, Kandy, Sri Lanka., 2018)
    Among the post deposition treatments available for development of CdS/CdTe solar cells, CdCl2 treatment has been identified as one of the key processing steps that can be effectively used for improving power conversion ...
  • Effect of Concentration of Cd2+ on the Material Properties of CdTe Thin Films Electrodeposited via a Two Electrode Electrolytic Cell 
    Wedisinghe, K.C.; Atapattu, H.Y.R.; de Silva, D.S.M. (Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, 2016)
    Cadmium telluride (CdTe) is a vital semiconductor material which can absorb most of the electromagnetic radiation of solar energy spectrum to yield more efficient solar cells. Among the thin film fabrication methods, ...
  • Effect of temperature on photosensitivity of electrodeposited n-Cu2O/p-CuxS thin film junctions 
    Madusanka, H.D.P.; Kalubowila, K.D.R.N.; Jayathilaka, K.M.D.C.; Jayanetti, J.K.D.S. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    The purpose of this study was the construction of a standalone microcontroller based ambient light sensing device to interface an ambient light sensor with a temperature correction and to study the effects of temperature ...
  • Effect of Thermal Annealing on Electrodeposited CdS and CdS/CdTe Heterojunction 
    Atapattu, H.Y.R.; de Silva, D.S.M.; Pathiratne, K.A.S. (Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, 2016)
    At present CdS/CdTe based solar cells have a significant commercial impression due to its lowcost, scalability, manufacturability and simplicity. Nevertheless, it is essential to elevate the optoelectronic qualities of ...
  • Electrodeposited Cu2O homojunction solar cells: Fabrication of a cell of high short circuit photocurrent 
    Wijesundera, R.P.; Gunawardhana, L.K.A.D.D.S.; Siripala, W. (Elsevier, 2016)
    A Cu2O homojunction solar cell was fabricated using a consecutive electrodeposition method of deposition of an n-Cu2O film followed by a p-Cu2O film, in two different acetate baths. Both n-type and p-type film growth ...
  • Electrodeposited homojunction Cu2O solar cell on FTO substrate 
    Kafi, F. S. B.; Jayathilaka, K. M. D. C.; Wijesundera, L. B. D. R. P.; Siripala, W. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Cuprous oxide (Cu2O), an abundant photoactive semiconducting material has optimum optoelectronic properties to develop efficient, inexpensive and eco-friendly solar cells. Even though, it is possible to fabricate Cu2O based ...
  • Electrodeposited metal sulfide thin films for gas sensing applications 
    Namawardana, D. G. K. K.; Wickramathilaka, P. A. K. Y.; Atapattu, H. Y. R.; De Silva, D. S. M. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Quantitative measurements of gases are based on a variety of physical or chemical principles. Among them semiconductor gas sensors are best candidates for the development of commercial gas sensors due to their higher ...
  • Electrodeposited ZnS Thin Films for NO2 Gas Sensing Applications 
    Wickramathilaka, P.A.K.Y.; Namawardana, D.G.K.K.; Atapattu, H.Y.R; De Silva, D.S.M. (19th Conference on Postgraduate Research, International Postgraduate Research Conference 2018, Faculty of Graduate Studies,University of Kelaniya, Sri Lanka, 2018)
    Sensors are becoming a consequential part in human’s daily life. Typically, they are classified based on the physical parameter sensed itself namely; thermal, mechanical, magnetic, chemical, and optical. Gas sensors are ...
  • Electrodeposition and characterization of as-deposited and annealed CdTe thin films. 
    Kumarasinghe, K. D. M. S. P. K.; De Silva, D. S. M.; Pathiratne, K. A. S.; Salim, H. I.; Abdul-Manaf, N. A.; Dharmadasa, I. M. (Ceylon Journal of Science, 45(2), 53–59. DOI: http://doi.org/10.4038/cjs.v45i2.7388, 2016)
    Thin films of CdTe semiconductor materials were grown on fluorine doped tin oxide (FTO) conducting glass substrates using the technique of electrodeposition. CdSO4 at high concentrations and CdCl2, TeO2 at low concentrations ...
  • Electrodeposition of CdTe thin films using a two electrode system 
    Wedisinghe, K.C.; Atapattu, H.Y.R.; de Silva, D.S.M. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    Cadmium telluride (CdTe) is a promising material for thin film solar cell applications due to its ideal band gap of ~1.5 eV which has the ability to absorb the maximum of the solar spectrum and higher conversion efficiency ...
  • Electrodeposition of well-adhered CdTe thin films for solar cell applications 
    Atapattu, H.Y.R.; de Silva, D.S.M.; Pathiratne, K.A.S. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    Among the second generation thin film photovoltaics, CdS/CdTe based solar cell device is one of the leading contenders for large scale commercialization. Since the CdTe is the crucial absorber material of the foregoing ...
  • Evaluation of solution parameters for CdCl2 solutions to be used in post-deposition treatments of CdTe thin films in CdS/CdTe solar cells. 
    Atapattu, H. Y. R.; Silva, D. S. M. D.; Pathiratne, K. A. S. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Owing to its high absorption coefficient and the near ideal band gap, CdTe has become one of the topmost solar energy materials available for conversion of solar energy into electricity. It exhibits excellent power conversion ...
  • Fabrication of CdS/CdTe Thin Film Solar Cells via the Technique of Electrodeposition 
    Atapattu, H.Y.R.; De Silva, D.S.M.; Ojo, A.A.; Dharmadasa, I.M. (Development of Solar Power Generation and Energy Harvesting, 2018)
    This study focused on fabrication of CdS/CdTe solar cells using the technique of electrodeposition as it is simple, low cost and scalable method. Initially, CdS and CdTe materials were individually deposited on fluorine ...
  • Growth of CuZnS thin films by sequential electrodeposition and sulphurisation 
    Fernando, W.T.R.S.; Jayathilekea, K.M.D.C.; Wijesundera, R.P.; Siripala, W. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    Copper Zinc Sulphide (CuZnS) is a promising new absorber material for solar cell applications. Indeed, this material is very attractive for low cost device applications due to abundance and low cost of the staring ...
  • Improvement of p-Cu2O/Au interface by controlling the pH of the electrodeposition bath of Cu2O 
    Kafi, F.S.B.; Jayathilekea, K.M.D.C.; Wijesundera, R.P.; Siripala, W. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    Metal-Semiconductor junction studies play a very important role in discovering new junction properties leading to improved electronic devices. Indeed, Schottky junction is among the fundamental structures used in modern ...
  • Influence of the type of conducting glass substrate on the properties of electrodeposited CdS and CdTe thin films 
    De Alwisl, A.C.S.; Atapattu, H.Y.R.; De Silva, D.S.M. (Journal of Materials Science: Materials in Electronics (2018) 29:12419-12428 https://doi.org/10.1007/s10854-018-9358-8, 2018)
    Owing to the greater efficiency in energy conversion by absorbing energy in a wider range of the solar spectrum, thin film CdSICdTe solar cells have been popularized as a prominent application of photovoltaics and the ...
  • An investigation into the effect of rate of stirring of bath electrolyte on the properties of electrodeposited CdTe thin film semiconductors 
    Atapattu, H.Y.R.; De Silva, D.S.M.; Pathirane, K.A.S.; Dharmadasa, I.M. (2018)
    Electrodeposition (ED) has been recognized as a low cost and scalable technique available for fabrication of CdS/CdTe solar cells. Photovoltaic activity of these electrodeposited semiconductor materials drastically depends ...
  • Is it possible to grow stable p-type CdS layers suitable for fabrication of electronic devices? 
    Kiriarachchi, H.D.; Lamahewage, L.H.S.N.S.; Wickramasinghe, W.A.S.; de Silva, D.S.M.; Pathiratne, K.A.S.; Dharmadasa, I.M. (University of Malaya, Malaysia, 2013)
    CdS is a technologically important wide bandgap window material with some unique properties showing highest conversion efficiencies in thin film solar cells based on CdTe and CuInGaSe2 absorber materials. n-CdS/CdTe and ...
  • Necessity and relevance of precipitate free clear electrolytes for electrodeposition of CdS semiconductor materials with enhanced photovoltaic properties 
    Atapattu, H.Y.R.; De Silva, D.S.M.; Pathirane, K.A.S.; Olusola, O.I.; Dharmadasa, I.M. (. Journal of Materials Science: Materials in Electronics, 2018)
    Cadmium sulfide (CdS) is a well-known window material used for fabrication of second generation thin film solar cells including CdS/CdTe and CdS/CuInGaSe2. Among the CdS fabrication techniques, electrodeposition is a simple, ...

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