[1] [1] Tirtha S, Basudeb K. Plasmonics, 2012, 5: 149.

[2] [2] Gramotnev D K, Pile D F, Vogel M W, et al. Physical Review B, 2007, 75: 035431.

[3] [3] Dreaden E C, Mackey M A, Huang X, et al. Chem. Soc. Rev., 2011, 40: 3391.

[4] [4] Alanazi F K, Radwan A A, Alsarra I A. Saudi Pharmaceutical Journal, 2010, 18: 179.

[5] [5] Soganci I M, Evren S N. Optics Express, 2007, 15: 14290.

[6] [6] Som T, Karmakar B. J. Appl. Phys., 2009, 105: 013102.

[7] [7] Liang A H, Zhang N N, Jiang Z L, et al. Science in China Series B: Chemistry, 2010, 51: 226.

[8] [8] Chen X, Tao J, Zou G, et al. Appl. Phys. A, 2011, 102: 565.

[9] [9] Chen X, Tao J, Zou G, et al. Current Nanoscience, 2011, 7: 556.

[10] [10] Chen X, Tao J, Zou G, et al. Chem. Phys. Chem., 2010, 11: 3599.

[11] [11] Hodak J K, Martini I V, Hartland G. J. Phys. Chem. B, 1998, 102: 6958.

[12] [12] DelFatti N, Flytzanis C, Vallee F. Appl. Phys. B, 1999, 68: 433.

[13] [13] Feldstein M J, Keating C D, Liau Y, et al. J. Am. Chem. Soc., 1997, 119: 6638.

[14] [14] Averitt R D, Westcott S L, Halas N. J. Phys. Rev. B, 1998, 58: 10203.

[15] [15] Wilcoxon J P, Williamson R L, Baughman R J. J. Chem. Phys., 1993, 98: 9933.

[16] [16] Fang Y J. Chem. Phys., 1998, 108: 4315.

[17] [17] Yang X C, Fang Y. J. Phys. Chem. B, 2003, 107: 10100.

[18] [18] Wu D, Fang Y. J. Colloid Interface Sci., 2003, 265: 234.

[21] [21] Wang Y H, Zhou J, Wang T. Materials Letters, 2008, 62: 1937.

[22] [22] Mirkin C A, Letsinger R L, Mucic R C, et al. Nature, 1996, 382: 607.