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Positively Charged Active Sites for the Adsorption of Five-Membered Heterocycles on Silver Colloids

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journal contribution
posted on 07.02.2013, 00:00 by Maurizio Muniz-Miranda, Marco Pagliai
The adsorption of isothiazole on silver colloids was studied by surface-enhanced Raman scattering (SERS) spectroscopy in comparison with other five-membered heterocycles. The experimental results coupled with those obtained by density functional theory calculations for molecule/metal complexes evidenced the presence of positively charged active sites on the surface of the silver nanoparticles, along with a close relation between ligand basicity and strong SERS effect.

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