Figure 6

Normal Raman spectrum of permethrin solid on optical fibre substrate (A) and SERS spectrum of 10 ppm permethrin solution recorded for Ag nano-dendrite SERS optical fibre substrate (B), the inset shows molecular structure of permethrin.
Normal Raman spectrum of permethrin solid on optical fibre substrate (A) and SERS spectrum of 10 ppm permethrin solution recorded for Ag nano-dendrite SERS optical fibre substrate (B), the inset shows molecular structure of permethrin.