[1] [1] Zaman F, Rooh G, Srisittipokakun N, et al. Radiation Physics and Chemistry, 2017, 130: 158.

[2] [2] Liu Liwan, Shao Chongyun, Zhang Yu, et al. Journal of Luminescence, 2016, 176: 1.

[3] [3] Chewpraditkul W, Shen Y L, Chen D P, et al. Optical Materials, 2013, 35(3): 426.

[4] [4] Duan Jiao, Liu Yan, Pan Xiuhong, et al. Materials Letters, 2016, 173: 102.

[5] [5] Jia Shijie, Huang Lihui, Ma Donglei, et al. Journal of Luminescence, 2014, 152(1): 241.

[6] [6] Zhang Yong, Lv Jingwen, Ding Ning, et al. Journal of Non-Crystalline Solids, 2015, 423-424: 30.

[7] [7] Zhang Yong, Ding Ning, Zheng Tao, et al. Journal of Non-Crystalline Solids, 2016, 441: 74.

[8] [8] Lakshminarayana G, Kaky Kawa M, Baki S O, et al. Optical Materials, 2017, 72: 380.

[9] [9] Lesniak M, Partyka J, Pasiut K, et al. Journal of Molecular Structure, 2016, 1126: 240.

[10] [10] Wang Mitang, Fang Long, Li Mei, et al, Materials Chemistry and Physics, 2016, 179: 304.

[11] [11] Sun Xinyuan, Yu Xiaoguang, Jiang Daguo, et al. Journal of Applied Physics, 2016, 119(23): 233103.

[12] [12] Caldio U, Muoz H G, Camarillo I, et al. Journal of Luminescence, 2015, 161: 142.

[14] [14] Sillen A, Engelborghs Y. Photochemistry and Photobiology, 1998, 67(5): 475.

[15] [15] Martin Nikl. Measurement Science and Technology, 2006, 17(4): R37.