A Review on Applications of Two-Dimensional Materials in Surface-Enhanced Raman Spectroscopy

Figure 6

SERS spectra of CV from the SERS substrate with (a) and without (b) graphene protection at different time points. (c) The variation of the SERS intensities at 1167 cm⁻¹ versus the time of aerobic exposure (normalized the SERS intensities before the exposure) [31].

(a)

(b)

(c)