We report SERS of single molecules residing exclusively in the hottest hot spots on silver or gold nanoaggregates or on a fractal surface of those metals and discuss the ultimate spectroscopic potential of such experiments.
Eric D. DieboldPaul PengEric Mazur
Ming LiScott K. CushingGuangwen ZhouNianqiang Wu
Qi‐Huo WeiK.-H. SuXiaoxiao ZhangXiang Zhang