Nanoseminar dr. Paul Clegg
Speaker: dr. Paul Clegg (The 木瓜福利影视 of Edinburgh/ School of Physics and Astonomy)
Title: Transferring liquids in and out of particle-stabilised droplets
Abstract: A particle coated interface can make a droplet rigid, but the interface remains full of holes that will allow liquid to move in or out. The transfer of liquid can be driven by variations in droplet size or by variations in composition between droplets or between a single droplet and its environment. The rigidity of the interface can be an advantage, or it can be of no use at all. To demonstrate the former, I will present the cases of droplets that sprout and grow due to the partitioning of a solvent. As a demonstration of the latter, I will show how interfacial particles are unable to hinder compositional ripening in an emulsion. The composition gradient easily overcomes the trapping of 10,000 particles.
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