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Influence of Annealing Temperature on Optical and Electrical Properties of Cu2ZnSnS4 (CZTS) thin Films Deposited by Sputtering Method from a Single Quaternary Target

Authors(7) :-S. Abdullahi, M. Momoh, A.U. Moreh, A. M. Bayawa, B. Hamza, G.M. Argungu, O. T. Popoola

Cu2ZnSnS4 thin films were fabricated by one-step RF magnetron sputtering of a single quaternary Cu2ZnSnS4 (CZTS) chalcogenide target on corning glass substrate, followed by annealing at 523, 623 and 723K under nitrogen atmosphere for 60 minutes. Optical transmittance and reflectance data of the films were utilized to compute the absorption coefficient, refractive index, extinction coefficient and optical band gap energy of the films. The nature of the optical transition has been direct allowed with average optical band gap energies ranging between 1.5 eV and 2.4 eV. The optical band gap energy has a tendency to increase with the increase in the annealing temperature. The resistance and sheet resistance of the films ranges from 4.1 -3Ω cm-14680 -3Ω cm and 0.02 3Ω-0.25 3Ω respectively.
S. Abdullahi, M. Momoh, A.U. Moreh, A. M. Bayawa, B. Hamza, G.M. Argungu, O. T. Popoola
RF sputtering, Cu2ZnSnS4 thin Thin Film, Annealing, Resistance, Optoelectronics.
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Publication Details
  Published in : Volume 3 | Issue 1 | January-February 2017
  Date of Publication : 2017-02-28
License:  This work is licensed under a Creative Commons Attribution 4.0 International License.
Page(s) : 77-82
Manuscript Number : IJSRST17317
Publisher : Technoscience Academy
PRINT ISSN : 2395-6011
ONLINE ISSN : 2395-602X
Cite This Article :
S. Abdullahi, M. Momoh, A.U. Moreh, A. M. Bayawa, B. Hamza, G.M. Argungu, O. T. Popoola, "Influence of Annealing Temperature on Optical and Electrical Properties of Cu2ZnSnS4 (CZTS) thin Films Deposited by Sputtering Method from a Single Quaternary Target", International Journal of Scientific Research in Science and Technology(IJSRST), Print ISSN : 2395-6011, Online ISSN : 2395-602X, Volume 3, Issue 1, pp.77-82, January-February-2017
URL : http://ijsrst.com/IJSRST17317