Suppression of the coffee-ring effect by shape-dependent capillary interactions

By P. Yunker, T. Still, M. Lohr, A. G. Yodh. Nature, 2011

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An appetizer to modern developments on the Kardar–Parisi–Zhang universality class (2017, methodology): “Figure 1(b) shows another example, taken from an experiment of “coffee ring effect” [27] – a familiar phenomenon observed when a droplet of coffee is dried on a solid surface, which leaves a ring of coffee particles on the surface.”
A mini-review: How reliable is the drop casting technique? (2020, background): “This restored the CRE by hindering between the particle–particle interactions [56].”
Transport and deposition patterns in drying sessile droplets (2014, background): “Yet another way of obtaining more uniform deposition is to use elongated micron-size particles, with aspect ratio of 1.2 or greater, as revealed in a series of intriguing experiments by Yunker et al.71 As with the gold nanoparticles studied by Bigioni et al.68 Yunker et al. observed that the elongat”