Abstract
Tungsten oxide (WO3) thin films have been synthesized using electrodeposition in potentiostatic mode and the effect of different deposition potentials on their structural, morphological, optical, and electrochromic (EC) properties investigated. The deposition potential versus saturated calomel electrode (SCE) was varied from −0.35 V to −0.50 V in steps of −0.05 V for 20 min each. The electrodeposited WO3 thin films were characterized using x-ray diffraction analysis, micro-Raman spectroscopy, field-emission scanning electron microscopy, and ultraviolet–visible (UV–Vis) spectrophotometry, revealing amorphous nature with nanograins having average size from 40 nm to 60 nm. The EC performance of the WO3 thin films exhibited response times of 1.35 s for bleaching (t b) and 3.1 s for coloration (t c) with excellent reversibility of 64.36%. The highest coloration efficiency of the electrodeposited WO3 thin films was found to be 87.95 cm2/C. The electrochemical reversibility and stability of the WO3 thin films obtained in this study make them promising for use in smart window applications.
Similar content being viewed by others
References
C.G. Granqvist, Thin Solid Films 564, 1 (2014).
Y.M. Hunge, M.A. Mahadik, V.S. Mohite, S.S. Kumbhar, N.G. Deshpande, K.Y. Rajpure, A.V. Moholkar, P.S. Patil, and C.H. Bhosale, J. Mater. Sci.: Mater. Electron. 27, 1629 (2016).
N. Lu, X. Gao, C. Yang, F. Xiao, J. Wang, and X. Su, Sens. Actuators B Chem. 223, 743 (2016).
K. Senthil and K. Yong, Nanotechnology 18, 395604 (2007).
M.J. Devries, D.W. Thompson, J.S. Hale, M.J. Devries, C. Trimble, T.E. Tiwald, D.W. Thompson, and J.S. Hale, J. Vac. Sci. Technol. 17, 2906 (1999).
R.G. Gordon, S. Barry, J.T. Barton, and R.N.R. Broomhall-Dillard, Thin Solid Films 392, 231 (2001).
P.S. Patil, P.R. Patil, and E.A. Ennaoui, Thin Solid Films 370, 38 (2000).
M.Z. Najdoski and T. Todorovski, Mater. Chem. Phys. 104, 483 (2007).
A.J. More, R.S. Patil, D.S. Dalavi, S.S. Mali, C.K. Hong, M.G. Gang, J.H. Kim, and P.S. Patil, Mater. Lett. 134, 298 (2014).
P.K. Shen and A.C.C. Tseung, J. Mater. Chem. 2, 1141 (1992).
P.M.S. Monk and S.L. Chester, Electrochim. Acta 38, 1521 (1993).
K. Yamanaka, H. Oakamoto, H. Kidou, and T. Kudo, Jpn. J. Appl. Phys. 25, 1420 (1986).
K. Yamanaka, Jpn. J. Appl. Phys. 26, 1884 (1987).
T. Nanba, S. Takano, I. Yasui, and T. Kudo, J. Solid State Chem. 90, 47 (1991).
J.N. Yao, P. Chen, and A. Fujishima, J. Electroanal. Chem. 406, 223 (1996).
E.A. Meulenkamp, J. Electrochem. Soc. 144, 1664 (1997).
J.H. Choy, Y.I. Kim, J.B. Yoon, and S.H. Choy, J. Mater. Chem. 11, 1506 (2001).
B. Munro, S. Krämer, P. Zapp, and H. Krug, J. Sol Gel. Sci. Technol. 13, 673 (1998).
N. Sharma, M. Deepa, P. Varshney, and S.A. Agnihotry, J. Sol Gel. Sci. Technol. 18, 167 (2000).
S.H. Baeck, T. Jaramillo, G.D. Stucky, and E.W. McFarland, Nano Lett. 2, 831 (2002).
B. Yang, H. Li, M. Blackford, and V. Luca, Curr. Appl. Phys. 6, 436 (2006).
B.L. Crowder and M.J. Sienko, Inorg. Chem. 4, 73 (1965).
M. Deepa, A.K. Srivastava, S. Singh, and S. Agnihotry, J. Mater. Res. 19, 2576 (2004).
S.H. Lee, H.M. Cheong, C.E. Tracy, A. Mascarenhas, D.K. Benson, and S.K. Deb, Electrochim. Acta 44, 3111 (1999).
H. Habazaki, Y. Hayashi, and H. Konno, Electrochim. Acta 47, 4181 (2002).
B. Palys, M.I. Borzenko, G.A. Tsirlina, K. Jackowska, E.V. Timofeeva, and O.A. Petrii, Electrochim. Acta 50, 1693 (2005).
A. Diéguez, A. Romano-Rodríguez, A. Vilà, and J.R. Morante, J. Appl. Phys. 90, 1550 (2001).
P.S. Peercy and B. Morosin, Phys. Rev. B 7, 2779 (1973).
R.L. Frost, J. Cejka, G.A. Ayoko, and M.J. Dickfos, J. Raman Spectrosc. 38, 1609 (2007).
C.R. Deltcheff, M. Fournier, R. Franck, and R. Thouvenot, Inorg. Chem. 22, 207 (1983).
M. Deepa, A.K. Srivastava, S. Lauterbach, Govind, S.M. Shivaprasad, and K.N. Sood, Acta Mater. 55, 6095 (2007).
S.R. Bathe and P.S. Patil, Sol. Energy Mater. Sol. Cells 91, 1097 (2007).
L. Liu, M. Layani, S. Yellinek, A. Kamyshny, H. Ling, P.S. Lee, S. Magdassi, and D. Mandler, J. Mater. Chem. A 2, 16224 (2014).
F. Zheng, W. Man, M. Guo, M. Zhang, and Q. Zhen, CrystEngComm 17, 5440 (2015).
Acknowledgements
This work was partly supported by the converging research center program funded by the Ministry of Science, ICT, and Future Planning (2013K000407) and Human Resource Development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) Grant funded by the Korea Government Ministry of Knowledge Economy (No. 20124010203180). The authors would like to acknowledge DST-FIST New Delhi and Physics Instrumentation Facility Centre (PIFC), Dept. of Phys, SUK for characterizations. The authors are very grateful to Dr. K. K. K. Sharma, SNST, SUK for help at the time of manuscript revision.
Author information
Authors and Affiliations
Corresponding authors
Rights and permissions
About this article
Cite this article
More, A.J., Patil, R.S., Dalavi, D.S. et al. Synthesis and Characterization of Potentiostatically Electrodeposited Tungsten Oxide Thin Films for Smart Window Application. J. Electron. Mater. 46, 974–981 (2017). https://doi.org/10.1007/s11664-016-4973-8
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11664-016-4973-8