[1] [1] Fleischmann M, Hendra P J, McQuillan A J. Chemical Physics Letters, 1974, 26(2): 163.

[2] [2] Jeanmaire D L, Van Duyne R P. Journal of Electroanalytical Chemistry and Interfacial Electrochemistry, 1977, 84(1): 1.

[3] [3] Albrecht M G, Creighton J A. Journal of the American Chemical Society, 1977, 99(15): 5215.

[4] [4] Nie S M, Emory S R. Science, 1997, 275(5303): 1102.

[5] [5] Kneipp K, Wang Y, Kneipp H, et al. Physical Review Letters, 1997, 78(9): 1667.

[6] [6] Li J F, Huang Y F, Ding Y, et al. Nature, 2010, 464(7287): 392.

[7] [7] Tian Z Q, Ren B, Wu D Y. Journal of Physical Chemistry B, 2002, 106(37): 9463.

[8] [8] Moskovits M. Journal of Raman Spectroscopy, 2005, 36(6-7): 485.

[9] [9] Stiles P L, Dieringer J A, Shah N C, et al. Annual Review of Analytical Chemistry, 2008, 1: 601.

[10] [10] Xu H X, Aizpurua J, Kall M, et al. Physical Review E, 2000, 62(3): 4318.

[11] [11] Lü M Y, Teng H Y, Chen Z Y, et al. Sensors and Actuators B: Chemical, 2015, 209: 820.

[12] [12] Lin H, Shao Q, Hu F, et al. Thin Solid Films, 2012, 526: 133.

[13] [13] Bian J, Shu S, Li J, et al. Applied Surface Science, 2015, 333: 126.

[14] [14] Lin W H, Lu Y H, Hsu Y J. Journal of Colloid and Interface Science, 2014, 418: 87.

[15] [15] Aldeanueva-Potel P, Faoucher E, Alvarez-Puebla R A, et al. Analytical Chemistry, 2009, 81(22): 9233.

[17] [17] Wang W, Guo Q, Xu M, et al. J. Journal of Raman Spectroscopy, 2014, 45(9): 736.

[19] [19] Daghrir R, Drogui P, Robert D. Industrial & Engineering Chemistry Research, 2013, 52(10): 3581.

[20] [20] Amaratunga P, Lee M, Kim J, et al. Canadian Journal of Chemistry, 2011, 89(8): 1001.

[21] [21] Jiang X, Li X, Jia X, et al. The Journal of Physical Chemistry C, 2012, 116(27): 14650.

[22] [22] Liu Y C, Yu C C, Hsu T C. The Journal of Physical Chemistry C, 2008, 112(41): 16022.

[23] [23] Yang L, Jiang X, Ruan W, et al. The Journal of Physical Chemistry C, 2009, 113(36): 16226.

[24] [24] Fu X, Zhang G, Wu T, et al. Canadian Journal of Chemistry, 2013, 91(11): 1112.

[25] [25] Li X, Chen G, Yang L, et al. Advanced Functional Materials, 2010, 20(17): 2815.

[26] [26] Chen Y, Tian G, Pan K, et al. Dalton Transactions, 2012, 41(3): 1020.

[28] [28] Li X, Hu H, Li D, et al. ACS Applied Materials & Interfaces, 2012, 4(4): 2180.

[29] [29] Chong X, Zhao B, Li R, et al. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2015, 481: 7.

[30] [30] Fang H, Zhang C X, Liu L, et al. Biosensors and Bioelectronics, 2015, 64: 434.

[31] [31] Xie Y, Jin Y, Zhou Y, et al. Applied Surface Science, 2014, 313: 549.

[33] [33] Choi J Y, Kim K, Shin K S. Vibrational Spectroscopy, 2010, 53(1): 117.

[34] [34] Lv B, Xu Y, Tian H, et al. Journal of Solid State Chemistry, 2010, 183(12): 2968.

[35] [35] Du J, Jing C. Journal of Colloid and Interface Science, 2011, 358(1): 54.

[36] [36] Zhang X, Zhu Y, Yang X, et al. Nanoscale, 2014, 6(11): 5971.

[37] [37] Cai W, Wang X, Yan Y. Materials Research Bulletin, 2014, 52: 1.

[38] [38] Sinha G, Depero L E, Alessandri I. ACS Applied Materials & Interfaces, 2011, 3(7): 2557.

[39] [39] Tao Q, Li S, Zhang Q Y, et al. Materials Research Bulletin, 2014, 54: 6.

[40] [40] Yang X, Zhong H, Zhu Y, et al. Dalton Transactions, 2013, 42(39): 14324.

[41] [41] Li D, Li D W, Li Y, et al. Journal of Materials Chemistry, 2010, 20(18): 3688.

[42] [42] Mondal S, Rana U, Malik S. ACS Applied Materials & Interfaces, 2015, 7(19): 10457.

[43] [43] Wang S, Liu C, Zheng L, et al. New Journal of Chemistry, 2016, 40(2): 1323.