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Synthesis and Luminescence Property of Red Phosphor CaMoO4:Eu3+ via Sol-Gel Method
Corresponding Author(s) : Jianfu Zhang
Asian Journal of Chemistry,
Vol. 26 No. 22 (2014): Vol 26 Issue 22
Abstract
Red phoshors played an important role on optimizing the LED white light chromaticeness. CaMoO4:Eu3+ was synthesized by sol-gel method, which was characterize by X-ray powder diffraction, scanning electron microscope and photoluminescence spectra. The results showed that CaMoO4:Eu3+ (5 %, mass ratio) prepared in pH value of 7-11 and calcined at 700 °C became uniformly cubic crystal and exhibited red photoluminescence with strongest emission peak at 612 by 258 nm excitation, which was caused by 5D0®7F2 transition of Eu3+.
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- W.J. Yang, L.Y. Luo, T.-M. Chen and N.-S. Wang, Chem. Mater., 17, 3883 (2005); doi:10.1021/cm050638f.
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- Y. Wei, F.Q. Lu, X.R. Zhang and D.P. Chen, Mater. Lett., 61, 1337 (2007); doi:10.1016/j.matlet.2006.07.029.
- J.Q. Wang, J. Yang, Y.L. Jin and T. Qiu, J. Rare Earth, 29, 562 (2011); doi:10.1016/S1002-0721(10)60498-X.
- Z. Zhicheng, Z. Yongping, L. Fachun, L. Heng, H. Zhinan and H. Zhigao, J. Rare Earths, 24, 270 (2006); doi:10.1016/S1002-0721(07)60378-0.
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References
W.J. Yang, L.Y. Luo, T.-M. Chen and N.-S. Wang, Chem. Mater., 17, 3883 (2005); doi:10.1021/cm050638f.
T.R.N. Kutty and A. Nag, J. Mater. Chem., 13, 2271 (2003); doi:10.1039/b305139k.
Z. Wang, X. Zhang, J. Chang and C. Li, J. Rare Earths, 29, 1018 (2011); doi:10.1016/S1002-0721(10)60589-3.
J.-Z. Chang, M. Li and H.-Z. Shi, J. Inorg. Mater., 21, 565 (2006); doi:10.3724/SP.J.1077.2006.00565.
Y. Wei, F.Q. Lu, X.R. Zhang and D.P. Chen, Mater. Lett., 61, 1337 (2007); doi:10.1016/j.matlet.2006.07.029.
J.Q. Wang, J. Yang, Y.L. Jin and T. Qiu, J. Rare Earth, 29, 562 (2011); doi:10.1016/S1002-0721(10)60498-X.
Z. Zhicheng, Z. Yongping, L. Fachun, L. Heng, H. Zhinan and H. Zhigao, J. Rare Earths, 24, 270 (2006); doi:10.1016/S1002-0721(07)60378-0.
H.X. Mai, Y.W. Zhang, R. Si, Z.G. Yan, L. Sun, L.-P. You and C.-H. Yan, J. Am. Chem. Soc., 128, 6426 (2006); doi:10.1021/ja060212h.
Z. Wang, H. Liang, M. Gong and Q. Su, Mater. Lett., 62, 619 (2008); doi:10.1016/j.matlet.2007.06.021.
C.X. Li, Z.W. Quan, P.P. Yang, J. Yang, H.Z. Lian and J. Lin, J. Mater. Chem., 18, 1353 (2008); doi:10.1039/b717363f.
Y.Sh. Hu, W.D. Zhuang, H.Q. Ye, D. Wang, S. Zhang and X. Huang, J. Alloys Comp., 390, 226 (2005); doi:10.1016/j.jallcom.2004.07.063.