The effect of DC electric field onordering colloidal dispersions - comparison of interfaces and in the bulk.
Understanding the self-organization of colloidal particles into larger structures has paved the way for the development of electronic devices, new medical techniques and solution to environmental challenges. Fine control over all the parameters governing the assembly process and the final structure is an important research topic. The aim of this experiment is to investigate the effect of an applied electric field on the structure and assembly process of colloidal particles (latex) at the solid/liquid interface and in the bulk. The experiment is designed to probe interfacial and bulk structure of sulfated polystyrene nanoparticles in D2O. In particular new developments in the analysis of GiSANS identify the separation of the packed particles from the interface as well as their lateral structure. A combination of GiSANS as well as SANS will be used because of the controllable penetration depth to investigate interfacial layers and to compare with the bulk structures. Extensive measurements in multiple orientations of the sample and field will be required to determine these structures.
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KAPAKLIS VASSILIOS; NOUHI SHIRIN; PORCAR Lionel and RENNIE Adrian R.. (2015). The effect of DC electric field onordering colloidal dispersions - comparison of interfaces and in the bulk.. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-10-1438
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