Abstract
Hydrothermal synthesis of one-dimensional tungsten oxide nanostructures was performed using cobalt ammonium sulfate as a structure-directing agent, and the effect of the concentration of cobalt ammonium sulfate on the characteristics of the tungsten oxide nanostructures was investigated. XRD measurements showed that hexagonal tungsten oxide (h-WO3) structures were obtained at a higher concentration of cobalt ammonium sulfate (0.2 M), while cubic tungsten oxide (c-WO3) structures were obtained at a lower concentration of cobalt ammonium sulfate (0.01M). Mixed structures of h-WO3 and c-WO3 were observed at an intermediate concentration of cobalt ammonium sulfate. Morphological studies revealed that h-WO3 appeared as nanowires with a diameter of about 40 nm and an average length of 1 μm. c-WO3 was shaped in pillar-like nanorods with a diameter of about 30 nm. A red-shift in the UV/Vis absorption peak was observed with different phases of tungsten oxide nanostructures.
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R. S. Devan, R. A. Patil, J.-H. Lin and Y.-R. Ma, Adv. Funct. Mater., 22, 3326 (2012).
M. Trapatseli, D. Vernardou, P. Tzanetakis and E. Spanakis, ACS Appl. Mater. Interfaces, 3, 2726 (2011).
D. Vernardou, H. Drosos, E. Spanakis, E. Koudoumas, C Savvakisa and N. Katsarakis, J. Mater. Chem., 21, 513 (2011).
J. Zhang, J.-P. Tu, X.-H. Xia, X.-L. Wang and C.-D. Gu, J. Mater. Chem., 21, 5492 (2011).
J. Huang, X. Xu, C. Gu, M. Yang, M. Yang and J. Liu, J. Mater. Chem., 21, 13283 (2011).
Y. Horiuchi, K. Mori, N. Nishiyama and H. Yamashita, Chem. Lett., 37, 748 (2008).
X. Wang, C. Yu, J. Wu and Y. Zhang. Chem. Lett., 41, 595 (2012).
Z. Liu, T. Yamazaki, Y. Shen, D. Meng, T. Kikuta and N. Nakatani, Chem. Lett., 37, 296 (2008).
M. Govender, L. Shikwambana, B.W. Mwakikunga, E. Sideras- Haddad, R.M. Erasmus and A. Forbes, Nanoscale Res. Lett., 6, 166 (2011).
S. Park, H. Kim, C. Jin and C. Lee, Nanoscale Res. Lett., 6, 451 (2011).
Z. Gu, Y. Ma, W. Yang, G. Zhang and J. Yao, Chem. Commun., 3597 (2005).
K. Huang, Q. Pan, F. Yang, S. Ni, X. Wei and D. He, J. Phys. D-Appl. Phys., 41, 155417 (2008).
Z. Gu, H. Li, T. Zhai, W. Yang, Y. Xia, Y. Ma and J. Yao, J. Solid State Chem., 180, 98 (2007).
X. Song, Y. Zhao and Y. Zheng, Mater. Lett., 60, 3405 (2006).
Z. Gu, T. Zhai, B. Gao, X. Sheng, Y. Wang, H. Fu, Y. Ma and J. Yao, J. Phys. Chem. B, 110, 23829 (2006).
J. Zhang, X. L. Wang, X. H. Xia, C.D. Gu and J. P. Tu, Sol. Energy Mater. Sol. Cells, 95, 2107 (2011).
D. Ma, J. Jiang, J. Huang, D. Yang, P. Cai, L. Zhang and S. Huang, Chem. Commun., 46, 4556 (2010).
S. Rajagopal, D. Nataraj, D. Mangalaraj, Y. Djaoued, J. Robichaud and O. Y. Khyzhun, Nanoscale Res. Lett., 4, 1335 (2009).
X. Shen, G. Wang and D. Wexler, Sens. Actuat. B, 143, 325 (2009).
A. Subrahmanyam and A. Karuppasamy, Sol. Energy Mater. Sol. Cell., 91, 266 (2007).
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Rajagopal, S., Lee, HM., Lee, K. et al. Hydrothermal synthesis of one-dimensional tungsten oxide nanostructures using cobalt ammonium sulfate as a structure-directing agent. Korean J. Chem. Eng. 30, 1833–1835 (2013). https://doi.org/10.1007/s11814-013-0146-0
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DOI: https://doi.org/10.1007/s11814-013-0146-0