Figure 4 : SERS spectra and electric field of Au mixing with Ag nanoparticle-film system excited by 633 nm laser.

From: Plasmon-driven surface catalysis in hybridized plasmonic gap modes

Figure 4

(a) in Au mixing Ag nanoparticle-Ag film system, (b) in Au mixing Ag nanoparticle-Au film system. (c) E field distribution in gaps between Au mixing Ag nanoparticle and Ag film. (d) E field distribution in gaps between Au mixing Ag nanoparticle and Au film. Insets are the corresponding SEM of Au mixing with Ag nanoparticle-film.