“…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.…”
“…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.…”
“…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.…”
“…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 .…”
Section: Dispersion Of Crystalline Batio 3 Into Organic Mediummentioning
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