[1] Zhang R, Wang X. Journal of Alloys and Compounds, 2011, 509: 1197.

[2] Mueller A H, Petruska M A, Achermann M, et al. Nano Letters, 2005, 5(6): 1039.

[3] Zhang Yan, Xu Jiayue, Zhang Tingting. Journal of Inorganic Materials, 2011, 26(12): 1.

[4] Zhang M, Wang J, Zhang Z, et al. Appl. Phys. B, 2008, 93: 829.

[5] Ye S, Xiao F, Pan Y X, et al. Materials Science and Engineering R., 2010, 71: 1.

[6] Bowers M J, McBride J R, Rosenthal S J. J. Am. Chem. Soc., 2005, 127: 15378.

[7] Lee G H, Kim T H, Yoon C, et al. Journal of Luminescence, 2008, 128: 1922.

[8] Kim J S, Jeon P E, Park Y H, et al. J. Electrochem. Soc., 2005, 152(2): H29.

[10] Guo N, Huang Y J, You H P, et al. Inorg. Chem., 2010, 49: 10907.

[11] Jiang Z Q, Wang Y H. Electrochem, Solid-State Lett., 2010, 13(5): J68.

[12] Yang W J, Luo L, Chen T M, et al. Chem. Mater., 2005, 17: 3883.

[13] Wang Z, Liang H, Gong M, et al. Electrochem. Solid-State Lett., 2005, 8(4): H33.

[14] Blasse G, Bril A. J. Chem. Phys., 1967, 47: 5442.

[15] Setlur A A, Comanzo H A, Srivastava A M, et al. J. Electrochem. Soc., 2005, 152(12): H205.

[16] Hsiao Y J, Chai Y L, Ji L W. Materials Letters, 2012, 70: 163.

[17] Neeraj S, Kijima N, Cheetham A K. Solid State Communications, 2004, 131: 65.

[18] Tomohiko Nakajima, Masahiko Isobe, Tetsuo Tsuchiya, et al. J. Phys. Chem. C, 2010, 114: 5160.

[19] Zhou Z, Wang F C, Miu S Q, et al. J. Electrochem. Soc., 2011, 158(12): H1238.

[20] Nakajimaa T, Isobeb M, Tsuchiya T, et al. Optical Materials, 2010, 32(12): 1618.