[1] Tian Z Q. J. Raman Spectrosc., 2005, 36: 466.

[2] Kneipp K, Moskovits M, Kneipp H. Topics Appl. Phys ., 2006, 103: 1.

[3] Graham D, Goodacre R, Chem. Soc. Rev., 2008, 37: 883.

[4] Dieringer J A, McFarland A D, Shah N C, et al. Faraday Discuss, 2006, 132: 9.

[5] Lin X M, Cui Y, Xu Y H, et al. Anal. Bioanal. Chem ., 2009, 394: 1729.

[7] Li J F, Huang Y F, Ding Y, et al. Nature, 2010, 464: 392.

[8] Frens G. J. Nature Phys. Sci., 1973, 241: 20.

[9] Handley O A. Methods for Synthesis of Colloidel Goil: Principles, Methods and Application. Hayat M A Ed., San Diego: Acadamic Press, 1989. 1, 13.

[10] Liz-Marzán L M, Giersig M, Mulvaney P. Langmuir, 1996, 12: 4329.

[11] Wang C G, Ma Z F, Wang T T, et al. Adv. Funct. Mater., 2006, 16: 1673.

[12] Tian Z Q, Ren B, Li J F, et al. Chem. Commun., 2007. 3514.

[13] Joo S W, Han S W, Kim K. J. Colloid Interface Sci., 2001, 240: 391.

[14] Tian J H, Liu B, Li X L, et al. J. Am. Chem. Soc., 2006, 128: 14748.