6[1]Burroughes J H, Bradley D D C, Brown A R, et al. Light-emitting diodes based on conjugated polymers [J]. Nature, 1990, 347: 539.
7[2]Cao Y, Parker I D, Yu G, et al. Improved quantum efficiency for electroluminescence in semiconducting polymers [J]. Nature, 1998, 397: 414.
8[3]Friend R H, Gymer R W, Holmes A B, et al. Electroluminescence in conjugated polymers [J]. Nature, 1999, 397: 121.
9[4]McGehee M D, Bergstedt T, Zhang C. Narrow bandwidth luminescence from blends with energy transfer from semiconducting conjugated polymers to europium complexes [J]. Adv.Mater., 1999, 11: 1349.
10[5]Sinha A P B. Spectroscopy. Inorganic Systems [M]. Vol. 2, New York: Academic, 1971.
