Influence of solvation interactions on the zeta potential of titania powders

Colloidal aspects relating to direct incorporation of TiO2 nanoparticles into mesoporous spheres by an aerosol-assisted process

“…The particle size (510 nm) and zeta potential (24 mV) were calculated based on the change in viscosity (from 1 mPa s for the original solution and 1.73 mPa s after hydrolysis of TEOS) with release of ethanol. Previous work has shown that ethanol-based dispersions also can be stabilized by an electrostatic mechanism [31][32][33]. Fig.…”

Manipulation of Beclomethasone–Hydrofluoroalkane Interactions using Biocompatible Macromolecules

“…One trace impurity present in HFA solvents is water. Yu et al23 showed the effect of water on zeta potential using a series of homologous solvents. The simple addition of 0.5% water to a nonpolar system provided a one order of magnitude rise in zeta potential.…”

Wet chemical synthesis of redispersible crystalline BaTiO3 in organic medium

“…These results suggest that the interaction between the nanoparticles and the organic media have a key role in their dispersion stabilities. The dielectric constants (ε) are the predominant factors governing electrostatic forces of the BaTiO 3 nanoparticles capped by the EDA in organic media, and they gradually decrease with increasing molecular weight in the case of alcohols [38]. Surface charging of BaTiO 3 nanoparticles might be related with ionization of surface groups, namely EDA capped on BaTiO 3 .…”