Mediating relaxation and polarization of hydrogen-bonds in water by NaCl salting and heating
Date of Issue2014
School of Electrical and Electronic Engineering
Infrared spectroscopy and contact-angle measurements revealed that NaCl salting has the same effect as heating on O:H phonon softening and H–O phonon stiffening, but has the opposite effect on skin polarization of liquid water. The mechanics of thermal modulation of O–O Coulomb repulsion [Sun, et al., J. Phys. Chem. Lett., 2013, 4, 3238] may suggest a possible mechanism for this NaCl involved Hofmeister effect, aqueous solution modulated surface tension and its abilities in protein dissolution, from the perspective of Coulomb mediation of interaction within the O:H–O bond.
Physical chemistry chemical physics
© 2014 The Authors. This is the author created version of a work that has been peer reviewed and accepted for publication in Physical Chemistry Chemical Physics, published by Royal Society of Chemistry on behalf of The Authors. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [Article DOI: http://dx.doi.org/10.1039/c4cp04080e].