Issue 47, 2009

Silver nanoparticles behave as hydrophobic solutes towards the liquid water structure in the interaction shell. A Raman study in the O–H stretching region

Abstract

Weak interactions, never reported yet, between silver nanocolloids and water, have been studied by Raman spectroscopy in the O–H stretching region. Subtle interactions regarding the first hydration shell, and perturbing only at a short range the bulk liquid structure of the solvent have been revealed. The interface interactions cause the O–H stretching band of water in the interface layer spectrum to be shifted at higher wavenumbers with respect to the neat water Raman signals. Order/disorder ratio variations, with respect to the liquid spectrum of pure water, are reported.

Graphical abstract: Silver nanoparticles behave as hydrophobic solutes towards the liquid water structure in the interaction shell. A Raman study in the O–H stretching region

Article information

Article type
Paper
Submitted
27 Jul 2009
Accepted
23 Sep 2009
First published
20 Oct 2009

Phys. Chem. Chem. Phys., 2009,11, 11258-11263

Silver nanoparticles behave as hydrophobic solutes towards the liquid water structure in the interaction shell. A Raman study in the O–H stretching region

R. S. Cataliotti, F. Aliotta and R. Ponterio, Phys. Chem. Chem. Phys., 2009, 11, 11258 DOI: 10.1039/B915317A

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