Interfacial Acidities, Charge Densities, Potentials, and Energies of Carboxylic Acid-Functionalized Silica/Water Interfaces Determined by Second Harmonic Generation

Second-harmonic studies were carried out to determine the interfacial acidity, the potential, and the interfacial energy density of an acid-functionalized silica/water interface between pH 2 and 12. The interfacial potential changes over 3 orders of magnitude, from 10-2 mV to several tens of millivo...

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Veröffentlicht in:	Journal of the American Chemical Society 2004-09, Vol.126 (38), p.11754-11755
Hauptverfasser:	Konek, Christopher T, Musorrafiti, Michael J, Al-Abadleh, Hind A, Bertin, Paul A, Nguyen, SonBinh T, Geiger, Franz M
Format:	Artikel
Sprache:	eng
Schlagworte:	Carboxylic Acids - chemistry Chemistry Electrochemistry Exact sciences and technology General and physical chemistry Hydrogen Bonding Hydrogen-Ion Concentration Silicon Dioxide - chemistry Solid-liquid interface Surface physical chemistry Surface Properties Thermodynamics Water - chemistry
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