Review Article

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

Figure 4

(a) Schematic illustration of the measurement procedure and prepared samples including graphene, WSe2, and G/W heterostructure. (b) Raman spectra of the CuPc molecule on the substrates of the Al2O3 wafer (black solid line), WSe2 (red solid line), graphene (blue solid line), and G/W (cyan solid line) [30].
(a)
(b)