Figure 2

(a) Raman spectra of 4-MBA (10−3 M) adsorbed on the FSZA core-shell microspheres and 4-MBA powder; (b) SERS spectra of 4-MBA molecules adsorbed on FSZ and FSZA.
(a) Raman spectra of 4-MBA (10−3 M) adsorbed on the FSZA core-shell microspheres and 4-MBA powder; (b) SERS spectra of 4-MBA molecules adsorbed on FSZ and FSZA.