[1] [1] Gaponenko S V,Bogomolov V N,Petrov E P,et al.Spontaneous emission of dye molecules,semiconductor nanocrystals,and rare-earth ions in opal-based photonic crystals. J Lightwave Technol,1999,17 (11): 2128～2137

[2] [2] Rogach A,Susha A,Caruso F,et al. Nano-and microengineering: 3-D colloidal photonic crystals prepared from sub-μm-sized polystyrene latex spheres pre-coated with luminescent polyelectrolyte/nanocrystal shells. Adv Mater,2000,12(5): 333～337

[3] [3] Sandoghdar V,Treussart F,Hare J,et al. Very low threshold whispering-gallery-mode microsphere laser.Phys Rev A,1996,54(3): R1777～R1780

[4] [4] Slooff L H,de Dood M J A,van Blaaderen A,et al.Erbium-implanted silica colloids with 80% luminescence quantum efficiency. Appl Phys Lett,2000,76(25) : 3682～3684

[5] [5] Moran C E,Hale G D,Halas N J. Synthesis and characterization of lanthanide-doped silica microspheres.Langmuir,2001,17(26): 8376～8379

[6] [6] St ber W,Fink A. Controlled growth of monodisperse silica spheres in the micron size range. J Colloid Interface Sci,1968,26(1): 62～69

[7] [7] Slooff L H. Rare-earth doped polymer waveguides and light emitting diodes. Ph. D. Thesis,FOM Institute for Atomic and Molecular Physics,Amsterdam,The Netherlands,2000

[8] [8] Hou Y,Yang Y X,Wang Y,et al. The OPO laser spectra of europium nitrate with imidazole. Acta Photonica Sinica,2004,33(1): 126～128

[9] [9] Chen W Z,Yang Y X,Song Y Q,et al. A fluorescence spectra experimental studies of rare-earth complex. Acta Photonica Sinica,2000,29(9): 857～860

[10] [10] Sun T. Study on spectral properties of rare earth ions doped PMMA. Dissertation submitted for the Master degree,Xi'an Institute of Optics & Precision Mechanics of the Chinese Academy of Sciences,China,2005

[11] [11] Sun T,Wang Y X,Tian W J,et al. Acta Photonica Sinica,2005,34(11) :1654～1657

[12] [12] de Dood M J A,Berkhout B,van Kats C M,et al.Acid-based synthesis of monodisperse rare-earth-doped colloidal SiO2 spheres. Chem Mater,2002,14(7): 2849～2853

[13] [13] Li H R,Zhang H J,Lin J,et al. Preparation and luminescence properties of ormosil material doped with Eu(TTFA)3 phen complex. J Non-Cryst Solids,2000,278(3): 218～222

[14] [14] Meltzer R S,Feofilov S P,Tissue B,et al. Dependence of fluorescence lifetimes of Y2O3∶Eu3+ nanoparticles on the surrounding medium. Phys Rev B,1999,60(20): R14012-R14015