Synthesis and Photoluminescence Properties of the Novel Red Phosphor Gd2MoB2O9: Eu


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A novel phosphor, Gd2MoB2O9:Eu3+ has been synthesized by solid-state reaction and its photoluminescence in UV-VUV range are investigated. A sharp excitation band is observed in the region of 120–135 nm, which is related to the charge-transfer (CT) band of Gd3+. The broad band around 135–160 nm can be assigned to the BO3 host absorption. The broad bands around 248 nm are assigned to the CT band of Eu3+-O2-. The phosphors emit strong red luminescence centered at about 591 nm, 614 nm and 626 nm due to the5D07F1 and 5D07F2 transitions of Eu3+. The main emission peak under 254 and 147 nm excitations also shows different shifts with increasing Eu3+ concentration. This could be due to the different luminescence sites selected at high doping concentrations of Eu3+. Gd2MoB2O9:Eu3+ shows the pure red emission under both 254 and 147 nm excitations.



Advanced Materials Research (Volumes 311-313)

Edited by:

Zhongning Guo




L. He et al., "Synthesis and Photoluminescence Properties of the Novel Red Phosphor Gd2MoB2O9: Eu", Advanced Materials Research, Vols. 311-313, pp. 1327-1331, 2011

Online since:

August 2011




[1] T. Justela, J.C. Krupab, D.U. Wiecherta, J. Lumin. Vol. 93 (2001), p.179.

[2] L.H. Tian, B.Y. Yu, C.H. Pyun, H. L. Park, S. -I. Mho, Solid State Commun. Vol. 129 (2004), p.43.

[3] A M Srivastava and C R Ronda, Electochem Soc Interface Summer, (2003), p.48.

[4] P.J. Bray, J. O. Edwards, J. G. O'Keefe et al, J. Chem. Phys. Vol. 35, (1961) , p.43.

[5] S. Neeraj, N. Kijima, A.K. Cheetham , Chem. Phys. Lett. Vol. 387 (2004), p.2.

[6] N.Y. Garces, M.M. Chirila, H.J. Murphy et al. J. Phys. Chem. Solids. Vol. 64 (2003), p.1195.

[7] Y. Okazaki, T. Ueda, S. Tamura, N. Imanaka, G. Adachi, Solid State Ionics 136–137 (2000), p.437.

[8] S. Neeraj ,N. Kijima , A.K. Cheetham, Chem. Phys. Lett. Vol. 387 (2004), p.2–6.

[9] M. Voda, R. Balda, I. Saez de Ocariz, L.M. Lacha, M.A. Illarramendi, J. Fernandez, J. Alloys Compounds. Vol. 275–277 (1998) , p.214.


[10] R. Resfeld, C.K. JФfrgensen, Lasers and Excited States of Rare Earth [M], Springer, Berlin, Vol. 45 (1977).

[11] Z.J. Yu, X.W. Huang, W. Zhuang, J. Alloys Compd. Vol. 390 (2005), p.220.

[12] K.G. Leea, B.Y. Yub, C.H. Pyunb, S. I. Mho, Solid State Commun. Vol. 122 (2002), p.485.