Abstract
Present study expounds how post-deposition annealing affects the various structural and optical properties of CdS thin films deposited by chemical bath deposition technique. The structural and morphological changes have been observed by X-ray diffraction (XRD), field emission scanning electron microscopy, Transmission electron microscopy and atomic force microscopy studies; however, the optical and electrical properties of the as deposited and annealed films were studied by UV–Vis spectroscopy and four probe method, respectively. The energy dispersive X-ray analysis confirmed that all as-deposited and annealed films showed almost stoichiometric composition. XRD pattern of the thin films clearly shows the transformation from the cubic structure to the hexagonal structure induced by annealing. The band gaps of the as deposited films were found in the range of 2.41–2.47 eV, while after annealing it decreases due to the decomposition of hydroxides. The electrical resistivity found to decrease approximately 10 times after annealing the as-deposited CdS thin films.
Similar content being viewed by others
References
Y.D. Chung, D.H. Cho, N.M. Park, K.S. Lee, J. Kim, Curr. App. Phys. 11, S65 (2011)
J. Ayre, New CIGS Solar Cell Record: 21.7% CIGS Cell Conversion Efficiency Achieved at ZSW, http://cleantechnica.com. Accessed 27 Sept 2014
B. Moon, J. Lee, H. Jung, Thin Solid Films 511–512, 299 (2006)
A. Hartley, S.J.C. Irvine, D.P. Halliday, M.D.G. Potter, Thin Solid Films 387, 89 (2001)
M. Hadrich, N. Lorenza, H. Metznera, U. Reislohnera, S. Macka, M. Gosslaa, W. Witthuhn, Thin Solid Films 515, 5804 (2007)
N. Romeoa, A. Bosio, V. Canevarib, M. Terheggenc, L.V. Roca, Thin Solid Films 431–432, 364 (2003)
A. Romeoa, D.L. Batznera, H. Zogga, C. Vignalib, A.N. Tiwari, Sol. Energy Mater. Sol. Cells 67, 311 (2001)
Y.S. Lo, R.K. Choubey, W.C. Yu, W.T. Hsu, C.W. Lan, Thin Solid Films 520, 217 (2011)
R.K. Choubey, S. Kumar, C.W. Lan, Adv. Nat. Sci. Nanosci. Nanotech. 5, 025015 (2014)
K. Ravichandran, P. Philominathan, Sol. Energy 82, 1062 (2008)
K.P. Acharya, K. Mahalingam, B. Ullrich, Thin Solid Films 518, 1784 (2010)
N. Romeo, A. Bosio, V. Canevari, A. Podesta, Sol. Energy 77, 795 (2004)
Li Wenyi, Cai Xun, Chen Qiulong, Zhou Zhibin, Mater. Lett. 59, 1 (2005)
A. Kariper, E. Guneri, F. Gode, C. Gumus, T. Ozpozan, Mat. Chem. Phys. 129, 183 (2011)
H. Metin, R. Esen, Semicond. Sci. Technol. 18, 647 (2003)
O. Vigil, O. Zelaya-Angel, Y. Rodriquez, Semicond. Sci. Technol. 15, 259 (2000)
J. Han, L. Cheng, T. Jiang, G. Fu, V. Krishnakumar, C. Spanheimer, G. Haindl, K. Zhao, A. Klein, W. Jaegermann, Mater. Res. Bull. 46, 194 (2011)
B. Liu, R. Luo, Q. Lian, Y. Zheng, B. Li, J. Zhang, W. Li, L. Wu, L. Feng, J. Mater. Sci. Mater. Electron. 26, 9985 (2015)
J.K. Cooper, J. Cao, Jin Z. Zhang. ACS Appl. Mater. Interfaces 5, 7544 (2013)
R. Premarani, J.J. Devadasan, S. Saravanakumar, R. Chandramohan, T. Mahalingam, J. Mater. Sci. Mater. Electron. 26, 2059 (2015)
A. Cortes, H. Gomez, R.E. Marotti, G. Riveros, E.A. Dalchiele, Sol. Energy Mater. Sol. Cells 82, 21 (2004)
C. Guillen, M.A. Martinez, C. Maffiotte, J. Herrero, J. Electrochem. Soc. 148, G602 (2001)
F.R. Ahmad, A. Yakimov, R.J. Davis, J.H. Her, J.R. Cournoyer, N.M. Ayensu, Thin Solid Films 535, 166 (2013)
C.Y. Yeh, Z.W. Lu, S. Froyen, A. Zunger, Phys. Rev. B 46, 10086 (1992)
B.D. Cullity, Elements of X-ray Diffraction, 2nd edn. (Addison-Wesley, Reading, MA, 1978)
S.H. Mohamed, M.E. Hagary, M.E. Ismail, J. Phys. D Appl. Phys. 43, 075401 (2010)
J. Hiie, K. Muska, V. Valdna, V. Mikli, A. Taklaja, A. Gavrilov, Thin Solid Films 516, 7008 (2008)
H. Ariza-Calderon, R. Lozada-Morales, O. Zelaya-Angel, J.G. Mendoza-Alvarez, L. Banos, J. Vac. Sci. Technol. A 14, 2480 (1996)
M. Robert Jr., D.L. Morel, C.S. Ferekides, Thin Solid Films 484, 26 (2005)
W.D. Callister, Materials Science and Engineering—An Introduction (Wiley, New York, 1997)
Acknowledgment
The authors Dipti Desai and Ravi Kant Choubey are thankful to Department of Science & Technology, Science & Engineering Research Board, New Delhi for the financial support (Grant No. SR/FTP/PS-038/2012). One of the authors Ravi Kant Choubey is also thankful to Defence Institute of Advanced Technology, Girinagar, Pune for the financial support (Grant No. DAIT/F/REG(G)/BS/Proj/2014/2).
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Choubey, R.K., Desai, D., Kale, S.N. et al. Effect of annealing treatment and deposition temperature on CdS thin films for CIGS solar cells applications. J Mater Sci: Mater Electron 27, 7890–7898 (2016). https://doi.org/10.1007/s10854-016-4780-2
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10854-016-4780-2