Structure in new electrophoretically and magnetophoretically responsive silica organosols.
Silica dispersions in organic solvents (“organosols”) have been recently studied. The cationic didodecyldimethylammonium bromide (DDAB) is an effective stabilizer of silica in organic solvents. The bromide counterion can be readily swapped for a magnetic analogue, which results in development of new functional nanoparticles: silica organosols that are both electrophoretically and magnetophoretically responsive. In order to understand the mechanism by which DDAB and its magnetic analogues modify silica particle surfaces, contrast variation SANS measurements are needed to reveal the adsorbed layer structures.
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EASTOE Julian; ALEXANDER Shirin; GRILLO Isabelle; NAVARRO Miguel; Jocelyn Peach; PEGG Jonathan; Gregory N. Smith and YAN Ci. (2014). Structure in new electrophoretically and magnetophoretically responsive silica organosols.. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-12-353
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