[3] Danielson E, Devenney M, Giaquinta D M, et al. J. Science, 1998, 279(6): 837.

[4] Danielson E, Devenney M, Giaquinta D M, et al. J. Mol. Structure, 1998, 470: 229.

[6] Nag A, Narayanan Kutty T R. J. Mater. Chem., 2003, 13: 370.

[8] Yang Hongmei, Shi Jianxin, Gong Menglian, et al. Journal of Solid State Chemistry, 2005, 178: 917.

[12] Shi J S, Zhang S Y. J. Phys. Chem. B, 2004, 108: 18845.

[13] Gruber J B, Nash K L, et al. Journal of Luminescence, 2008, 128: 1271.

[15] Dexter D L, Schulman J H. J. Chem. Phys., 1954, 22(6): 1063.