Probing strong optical fields in compact aggregates of silver nanoparticles by SERS of protoporphyrin IX

Abstract

TEM images and SERRS spectra as a function of porphyrin concentration in systems with chloride-modified Ag nanoparticles and protoporphyrin IX are reported

Keywords

• Ag nanoparticle compact aggregates
• adsorbed chlorides
• protoporphyrin IX
• SERRS