Figure 5.

SERS spectra of 10βˆ’6 mol/L R6G for the parameter-dependent substrates. (a) SERS spectra, (b) micrographs of A_1 with 15-nm gold film, (c) micrographs of A_2 with 15-nm gold film, (d) micrographs of A_3 with 15-nm gold film. Bar = 500nm.

Gao et al. Nanoscale Research Letters 2012 7:399   doi:10.1186/1556-276X-7-399
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