[1] Yang Haifeng, Feng Jie, Liu Yanli, et al. Journal of Physical Chemistry B, 2004, 108(45): 17412.
[2] Haynes C L, McFarland A D, Van Duyne R P. Analytical Chemistry, 2005, 77(17): 338.
[3] Jones J C, McLaughlin C, Littlejohn D, et al. Analytical Chemistry, 1999, 71(3): 596.
[4] Ryan C Price, Robert L Whetten. Journal of Physical Chemistry B, 2006, 110(44): 22166.