[1] Sinha S P. Spectroscopy in Inorganic Chemistry. New York: Academic in Press, 1971.

[2] Lindoy L F. Coord. Chem. Rev., 1983, 48(1): 83.

[3] Kido J, Okamot Y. Chem. Rev., 2002, 102(6): 2357.

[4] Kido J, Nagai K, Kamoto Y O, et al. Chem. Lett., 1991, 20(7): 1267.

[5] (a) Crosby G A, Whan R E, Alire R M. J. Chem. Phys., 1961, 34(3): 743.

     (b) Crosby G A, Whan R E, Freeman J J. J. Am. Chem. Soc., 1962, 66(12): 2493.

[8] De Silva C R, Maeyer J R, Dawson A, et al. Polyhedron, 2007, 26(6): 1229.

[9] Gallardo H, Conte G, Tuzimoto P, et al. Inorg. Chem. Commun., 2008, 11(10): 1292.

[11] Charles R G, Ohlmann R C. J. Inorg. Nucl. Chem., 1965, 27(1): 119.

[13] YU Gui, LIU Yun-qi, SONG Ya-ru, et al. Synth. Met., 2001, 117(123): 2112.

[15] Dickeson J E, Summers C A. Aust. J. Chem., 1970, 23(5): 1023.

[16] SHI Mei, LI Fu-you, YI Tao, et al. Inorg. Chem., 2005, 44(24): 8929.

[18] Steemers F J, Verboom W, Reinhoudt D N, et al. J. Am. Chem. Soc., 1995, 117(37): 9408.

[19] Latva M, Takalo H, Mukkala V M, et al. J. Lumin., 1997, 75(2): 149.