[1] [1] 1 J. Fang, H. Zhang, H. Jia, H. Yin, S. Chang, and S. Qin, Chin. Opt. Let. 8, 478 (2010).

[2] [2] 2 S. Zhang, Q. Wang, D. Zhu, R. Li, and C. Liu, Chin. Opt. Lett. 9, 052201 (2011).

[3] [3] 3 C. Chen, Y. Chen, A. J. Whang, and L. Chen, Proc. SPIE 7423, 74230O (2009).

[4] [4] 4 A. J. Whang, C. Lin, N. Ku, and M. Wang, J. Renewable Sustainable Energy 4, 063118 (2012);

[5] [5] 5 A. J. Whang, P. Li, Y. Chen, and S. Hsieh, J. Display Technol. 5, 104 (2009).

[6] [6] 6 A. J. Whang, Y. Chen, and Y. Teng, J. Display Technol. 5, 94 (2009).

[7] [7] 7 A. J. Whang, Y. Chen, and B. Wu, Solar Energy 83, 1115 (2009).

[8] [8] 8 A. J. Whang, C. Wang, and Y. Chen, Renewable Energy 34, 2280 (2009).

[9] [9] 9 C. Chen, Y. Chen, and A. J. Whang, Proc. SPIE 7422, 74220Z (2009).

[10] [10] 10 Y. Chen and A. J. Whang, Proc. SPIE 7428, 74280E (2009).

[11] [11] 11 S. Yang, Y. Chen, and A. J. Whang, Proc. SPIE 7423, 74230J (2009).

[12] [12] 12 Y. Bai, H. Zhang, J. Wang, N. Chen, J. Yao, T. Huang, X. Zhang, and Z. Yin, Chin. Opt. Lett. 9, 032901 (2011).