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Hydrothermal Synthesis and Characterization of Flower-like SnO2-Zn2SnO4 Nanocomposites
Corresponding Author(s) : Zi-Rong Li
Asian Journal of Chemistry,
Vol. 25 No. 10 (2013): Vol 25 Issue 10
Abstract
Flower-like SnO2-Zn2SnO4 nanocomposites were prepared via a simple hydrothermal process. X-ray diffraction patterns show that as-prepared sample is the composite of SnO2 and Zn2SnO4. Transmission electronmicroscopy characterizations confirm that the morphologies of SnO2 and Zn2SnO4 nanocomposites are "flower". Photoluminescence measurement of the SnO2-Zn2SnO4 nanocomposites reveals a stable purple emission band centered at ca. 440 nm. The influences of the hydrothermal temperature and time, the molar ratio of Zn2+ and Sn4+ and the concentrations of NaOH have been studied. The possible growth mechanisms of flower-like nanocomposites and the possible reaction process were discussed.
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References
K. Nomura, H. Ohta, K. Ueda, T. Kamiya, M. Hirano and H. Hosono, Science, 300, 1269 (2003).
Z.W. Pan, Z.R. Dai and Z.L. Wang, Science, 291, 1947 (2001).
J.R. Heath, P.J. Kuekes, G. Synder and R.S. Williams, Science, 280, 717 (1998).
A. Kolmakov, Y. Zhang, G. Cheng and M. Moskovits, Adv. Mater., 15, 997 (2003).
P.A. Connor and J.T.S. Irvine, J. Power Sources, 97-98, 223 (2001).
M.L. Zhang, T.C. An, X.H. Hu, C. Wang, G.Y. Sheng and J.M. Fu, Appl. Catal. A, 260, 215 (2004).
Y.X. Chen, L.J. Campbell and W.L. Zhou, J. Cryst. Growth, 270, 505 (2004).
X.L. Ma, Y. Li and Y.L. Zhu, Chem. Phys. Lett., 376, 794 (2003).
Z. Ying, Q. Wan, Z.T. Song and S.L. Feng, Mater. Lett., 59, 1670 (2005).
Y. Wang, J.Y. Lee and T.C. Deivaraj, J. Phys. Chem.,B108, 13589 (2004).
B. Cheng, J.M. Russell, W.S. Shi, L. Zhang and E.T. Samulski, J. Am. Chem. Soc., 126, 5972 (2004).
Z.G. Lu and Y.G. Tang, Mater. Chem. Phys., 92, 5 (2005).
W.P. Shao, Z.H. Wang and Y.T. Qian, Chem. Lett., 34, 556 (2005).