？ TANG Jiaye, YANG Xiufang, ZHAN Cheng, et al. Synthesis and luminescence properties of highly uniform spherical SiO2@SrSi2O2N2: Eu2+ core–shell structured phosphors [J]. J Mater Chem, 2012, 22(2): 488–494.
[2]
？ LI Jiguang, LI Xiaodong, SUN Xudong, et al. Monodispersed colloidal spheres for uniform Y2O3:Eu3+ red-phosphor particles and greatly enhanced luminescence by simultaneous Gd3+ doping [J]. J Phys Chem C, 2008, 112(31): 11707–11716.
[3]
？ HE Gang, MEI Lin, WANG Lili, et al. Synthesis and luminescence properties of nano-/microstructured Y3Al5O12:Ce3+ microspheres by controlled glass crystallization [J]. Cryst Growth Des, 2011, 11(12): 5355–5361.
[4]
？ YERMOLAYEVA Y V, TOLMACHEV A V, KORSHIKOVA T I, et al. Spherical core–shell structured nanophosphors on the basis of europium-doped lutetium compounds [J]. Nanotechnology, 2009, 20(32): 325601.
[5]
？ YOO H S, IM W B, KIM S W, et al. Continuous nano-coating of Y2O3:Eu3+ phosphor shellon SiO2 coreparticles and its photoluminescence properties [J]. J Lumin, 2010, 31(130): 153–156.
[6]
？ LI Guangzhi, WANG Zhenling, QUAN Zewei, et al. Growth of highly crystalline CaMoO4:Tb3+ phosphor layers on spherical SiO2 particles via sol–gel process: structural characterization and luminescent properties [J]. Cryst Growth Des, 2007, 7(9): 1797–1802.
[7]
？ YU M, LIN J, FANG J. Silica spheres coated with YVO4:Eu3+ layers via sol–gel process: a simple method to obtain spherical core–shell phosphors [J]. Chem Mater, 2005, 17(7): 1783–1791.
[8]
？ LIU Jie, LIAN Hongzhou, SHI Chunshan. Improved optical photoluminescence by charge compensation in the phosphor system CaMoO4:Eu3+ [J]. Opt Mater, 2007, 29(12): 1591–1594.
？ CAO Fabin, TIAN Yanwen, LI Liaosha, et al. Preparation of Eu3+-Y3+ co-doping red-emitting phosphors for white-light emitting diodes (W-LEDs) application and investigation of their optical characteristics [J]. J Mater Sci, 2011, 22(5): 510–514.
[12]
？
[13]
？ WANG Huan, YU Min, LIN Cuikun, et al. Synthesis and luminescence properties of monodisperse spherical Y2O3:Eu3+@SiO2 particles with core–shell structure [J]. J Phys Chem C, 2007, 111(30): 11223–11230.
[14]
？ MERZHANOV A G, BOROVINSKAYA I P. A new class of combustion processes [J]. Combust Sci Technol, 1975, 10(5–6): 195–201.
[15]
？ ST?BER W, FINK A, BOHN E. Controlled growth of monodisperse silica spheres in the micron size range [J]. J Colloid Interface Sci, 1968, 26(1): 62–69.
