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Oversaturating Liquid Interfaces with Nanoparticle-Surfactants
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DOI：10.1002/anie.202403790.png)
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Abstract
En 中文
Assemblies of nanoparticles at liquid interfaces hold promise as dynamic active systems when there are convenient methods to drive the system out of equilibrium via crowding. To this end, we show that oversaturated assemblies of charged nanoparticles can be realized and held in that state with an external electric field. Upon removal of the field, strong interparticle repulsive forces cause a high in-plane electrostatic pressure that is released in an explosive emulsification. We quantify the packing of the assembly as it is driven into the oversaturated state under an applied electric field. Physiochemical conditions substantially affect the intensity of the induced explosive emulsification, underscoring the crucial role of interparticle electrostatic repulsion. Explore the intriguing world of nanoparticle-surfactants at liquid interfaces. This study delves into how external electric fields can form and influence nanoparticle assemblies, leading to explosive emulsification behavior. It unveils a fascinating interplay between electrostatic forces and physiochemical conditions, offering a glimpse into the untapped possibilities of nanotechnology.+ image
Keywords:
out-of-equilibrium assembly
nanoparticle-surfactants
in situ small-angle X-ray scattering
explosive emulsification
liquid/liquid interface
Journal
IF:
16.9
Papers:
5.6W
Citations:
53.0W