Figure 8
(a–c) Raman spectra of MB molecules adsorbed on Au NPs/nanogap (2 nm)/Au NPs structure with different MB concentration. (d) The dependence of Raman peak intensity at 1039 cm−1 on MB concentration.
Figure 8 | Scientific Reports
(a–c) Raman spectra of MB molecules adsorbed on Au NPs/nanogap (2 nm)/Au NPs structure with different MB concentration. (d) The dependence of Raman peak intensity at 1039 cm−1 on MB concentration.
