Abstract
Employing pyridine molecules as media, hydrophobic C60 and C70 molecules were transported into gold hydrosols and adsorbed on the surface of gold nanoparticles, thus resulting in high-quality surface-enhanced raman scattering (SERS) spectra with enhancement factors of 8 × 104 and 6 × 105, respectively. Comparison of SERS spectra with normal Raman spectra of solid C60 and C70 indicates that these molecules absorb on gold nanoparticles by one of their pentagonal faces.
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