Abstract
The conformation of molecules on a metallic nanoparticle’s surface is sensitive to temperature variations and can be easily monitored in situ by SERS. Excitation of the metallic nanoparticle for SERS can concurrently induce a photothermal effect whereby the light absorbed by the nanoparticle is released as heat. From the SERS spectra, we could derive the changes in temperature at the surface of a nanoparticle during the photothermal effect.