[1] [1] MAO Zhi-yong, WANG Da-jian, LIU Yan-hua, FEI Qin-ni,ZHENG Xi, XU Suo-cheng and QIU Kun, Optoelectronics Lett. 6, 0116 (2010).

[2] [2] Jiun Pyng You, Nguyen T. Tran and Frank G. Shi, Optics Express 18, 5055 (2010).

[3] [3] WANG Caifeng, LI Qingshan and ZHENG Mengmeng, Journal of Optoelectronics Laser 19, 490 (2008). (in Chinese)

[4] [4] Chi-Feng Huang, Dong-Ming Yeh, Chih-Feng Lu, Horng-Shyang Chen, Tsung-Yi Tang, Jeng-Jie Huang and Chih-Chung Yang, Phosphor-Free All-Semiconductor White-LightLight-Emitting Devices, Conference on Lasers and Electro-Optics, California, 1 (2006).

[5] [5] Ersin Kayahan, Journal of Luminescence 130, 1295 (2010).

[6] [6] L. Zhao, C. S. Xu, Y. X. Liu, C. L. Shao, X. H. Li and Y. C.Liu, Appl. Phys. B 92, 185 (2008).

[7] [7] Sadaf J. R., Israr M. Q., Kishwar S., Nur O. and Willander M., Nanoscale Res. Lett. 5, 957 (2010).

[8] [8] Yinyan Gong, Tamar Andelman, Gertrude F Neumark, StephenO’Brien and Igor L Kuskovsky, Nanoscale Res. Lett. 2, 297(2007).

[9] [9] Haibo Zeng, Guotao Duan, Yue Li, Shikuan Yang, Xiaoxia Xu and Weiping Cai, Adv. Funct. Mater. 20, 572 (2010).

[10] [10] J. K. Luo, Y. Q. Fu, H. R. Le, A. Williams, S. M. Spearing and W. I. Milne, Journal of Micromechanics and Microengineering 17, S147 (2007).

[11] [11] Marath Sonali, Koinkar Pankaj, Ashtaputre Shriwas, Sathe Vasant, More M. A. and Kulkarni Sulabha Kashinath, ThinSolid Films 518, 3743 (2010).

[12] [12] R. Sanjinés, M. D. Abad, Cr. Vaju, R. Smajdaa, M. Mioni a and A. Magrez, Surface and Coatings Technology 206, 727(2011).

[13] [13] Wen-Ching Shih and Rei-Ching Huang, Vacuum 83, 675 (2009).

[14] [14] Katsutoshi SAKURAI, Haruhisa KINOSHITA, Genji OHNO,Yoichiro NAKANISHI and Masaya KUBOTA, Japanese Journal of Applied Physics 47, 7216 (2008).

[15] [15] DING Xu-Li, LI Qing-Shan and KONG Xiang-he, Optoelectronics Lett. 5, 0117 (2009).

[16] [16] Li Qingshan, Fang Rongchuan and Ma Yurong, Thin Solid Films 226, 99 (1993).

[17] [17] S. J. Henley, J. D. Carey and S. R. P. Silva, Appl. Phys. Lett.85, 6236 (2004).

[18] [18] WEI Xian-qi, ZHANG Ming-yang and MAN Bao-yuan, Journal of Optoelectronics Laser 20, 897 (2009). (in Chinese)

[19] [19] Awadalla N. S and Alnaser W. E., Earth, Moon, and Planets 60, 251 (1993).