TLC-SERS Plates with a Built-In SERS Layer Consisting of Cap-Shaped Noble Metal Nanoparticles Intended for Environmental Monitoring and Food Safety Assurance

Figure 4

Image of a TLC-SERS after the BPE/R6G/CV mixture sample has been run (a). SERS spectra obtained along the direction of plate with a 2 mm interval from the origin are shown in (b). Those taken with a 0.5 mm interval in the range from 15.5 and 20.5 mm are shown in (c).

(a)

(b)

(c)