纳米颗粒包覆液滴的可控屈曲和皱曲
Controlled Buckling and Crumpling of Nanoparticle-Coated Droplets
摘要：
我们介绍了一种新的实验方法来研究大量的纳米颗粒涂层液滴的结构转变，因为它们的体积减少。我们使用分散相微溶于连续相中的乳液体系。通过添加固定量的不饱和连续相，可以可控地减小液滴的体积，使它们弯曲或起皱，从而变成非球形。所得到的形态取决于体积减小的程度和平均液滴尺寸。屈曲和起皱行为意味着液滴表面是固体。
英文摘要：
We introduce a new experimental approach to study the structural transitions of large numbers of nanoparticle-coated droplets as their volume is reduced. We use an emulsion system where the dispersed phase is slightly soluble in the continuous phase. By adding a fixed amount of unsaturated continuous phase, the volume of the droplets can be controllably reduced, causing them to buckle or crumple, thereby becoming nonspherical. The resultant morphologies depend both on the extent of volume reduction and the average droplet size. The buckling and crumpling behavior implies that the droplet surfaces are solid.
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