Figure 5From: Polytetrafluorethylene-Au as a substrate for surface-enhanced Raman spectroscopy SERS spectra of BFD on PTFE-Au for (a) 30 s, (b) 20 s, (c) 50 s, (d) 80 s, (e) 150 s, (f) 10 s sputtering time. Spectra were shifted in y-axis.Back to article page