Abstract
Optoelectronic technologically important pseudo-binary Cd1−x Zn x Se thin films with a variable composition (0 < x < 1) has been developed by chemical bath deposition method. The objective to study growth kinetics, physical, microscopic, compositional, optical, electrical and structural changes. Cd1−x Zn x Se have been deposited on non-conducting glass substrate in tartarate bath containing Cd+2 and Zn+2 ions with sodium selenosulphate with an aqueous alkaline medium at 278 K. The quality and the thickness of the films are depends upon deposition temperature, deposition time and pH, etc. X-ray diffraction (XRD), atomic absorption spectroscopy, optical absorption, scanning electron microscopy and thermoelectric technique characterized the films. The XRD study indicates the polycrystalline nature in single cubic phase over whole range of composition. Analysis of absorption spectra gave direct type band gap, the magnitude of which increases non-linearly as zinc content in the film is increased and dc electrical conductivity at room temperature was found to decreases from 10−7 to 10−8 (Ω cm)−1. All the films show n-type conductivity. The promising features observed are the formation of continuous solid solutions in a single cubic phase.
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J.-C. Jan, Shou-Yi-Kuo, S.-B. Yin, W.-F. Hsieh, Chines J. Phys. 39, 90 (2001)
R.B. Kale, S.D. Sartale, B.K. Chougle, C.D. Lokhande, Semicond. Sci. Tech. 19, 980 (2004)
C.D. Lokhande, P.S. Patil, H. Tributsch, A. Ennaoui, Sol. Ener. Mat. Sol. Cells 55, 379 (1998)
M. Ganchev, N. Stratieva, E. Tzvetkova, J. Mater. Sci.: Mater. Electron. 14, 847 (2003)
R.Z. Feng, S.P.Guo, J. Mater. Sci. Lett. 15, 1824 (1994)
R. Islam, P.R. Rao, J. Mater. Sci. Lett. 13, 1637 (1994)
R. Chandramohan, T. Mahalingam, J.P. Chu, P.J. Sebstian, Sol. Ener. Mater. Sol. Cells 81, 371 (2004)
R.K. Pandey, A.J.N. Rooz, R.B. Gore, Semicond. Sci. Tech. 3, 733 (1988)
H. Luo, J.K. Furdyna, Semicond. Sci. Tech. 10, 1041 (1995)
A. Boney, Z. Yu, W.H. Rowland, W.C. Harsh, J. Vac. Sci. Rep. 14, 2259 (1996)
A. Darkowski, A. Grabowski, Sol. Ener. Mater. 23, 75 (1989)
T.M. Razykov, Thin Solid Films 164, 301 (1988)
A.S. Nasibov, Y.V. Korostelin, L.G. Suslina, D.L. Fedorav, L.S. Markov, Solid State Commun. 71, 867 (1989)
A. Burger, M. Roth, J. Crystal Growth 70, 386 (1984)
A.A. Bassam, A.W. Brinkman, G.J. Russel, J. Woods, J. Crystal Growth 86, 667 (1988)
P. Gupta, B. Maity, A.B. Maity, S. Chaudhary, A.K. Pal, Thin Solid Films 260, 75 (1995)
V. Krishan, D. Horn, K.K. Mishra, K. Rajeshwar, J. Electrochem. Soc. 139, 23 (1992)
N. Samarath, H. Luo, J.K. Furdyan, R.G. Alonso, Y.R. Lee, A.K. Ramdas, S.B. Quadri, N.Olsuka, Appl. Phy. Lett. 56, 1163 (1990)
V.M. Bhuse, P.P. Hankare, K.M. Garadkar, A.S. Khomane, Mater. Chem. Phys. 80, 82 (2003)
P.P. Hankare, V.M. Bhuse, S.D. Delekar, K.M. Garadkar, P.R. Bhagat, Semicond. Sci. Tech. 192, 277 (2004)
M. Bouroushian, Z. Loizos, N. Spyrellis, G. Maurin, Appl. Surf. Sci. 115, 103 (1997)
D.F. Shriver, P.W. Atkins, Inorganic Chemistry, vol. 3 (Oxford University press, Oxford, 1999), p. 24
D.S. Sutrave, G.S. Shanane, V.B. Patil, L.P. Deshmukh, Mat. Chem. Phys. 65, 298 (2000)
J. Bardeen, F.J. Blutt, L.H. Hall, in Proceedings of Thehotoconductivity Conference, eds. by R. Brechepride Russel, E. Hahn (Wiley, NY, 1975)
D. Bhattacharya, S. Choudhary, A.K. Pal, Vacuum 43, 313 (1992)
A. Henglein, Chem. Rev. 89, 1861 (1989)
R.B. Kale, S.D. Sartale, B.K. Chougle, C.D. Lokhande, Semicond. Sci. Tech. 19, 980 (2004)
C.N. Rao, Modern Aspects of Solid state Chemistry (Plenum press, NY, 1970), p. 531
J. Zhu, X. Liao, J. Wang, Hong-Yuan, Chem. Mater. Res. Bull. 36, 1169 (2001)
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Hankare, P.P., Chate, P.A., Asabe, M.R. et al. Characterization of Cd1−x Zn x Se thin films deposited at low temperature by chemical route. J Mater Sci: Mater Electron 17, 1055–1063 (2006). https://doi.org/10.1007/s10854-006-9034-2
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DOI: https://doi.org/10.1007/s10854-006-9034-2