Nature of crystalline particle assembly in ring shaped colloidal stains from concentrated dispersions

Shao, Fen Fen; Huynh, Trong‐Phuoc; Somers, Anthony; Liu, Boyin; Fu, Jianzhong; Muradoglu, Murat; Ng, Tuck Wah

doi:10.1016/j.physb.2014.01.020

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Cited by 5 publications

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“…Within continual approaches, any effects connected with the particles are ignored. Among these effects are jamming [15,16] and shape-dependent capillary interactions [17].…”

Section: Modelmentioning

confidence: 99%

Mass transfer during drying of colloidal film beneath a patterned mask that contains a hexagonal array of holes

Tarasevich

Vodolazskaya

2016

J. Phys.: Conf. Ser.

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We simulated an experiment in which a thin colloidal sessile droplet is allowed to dry out on a horizontal hydrophilic surface when a mask just above the droplet predominantly allows evaporation from the droplet free surface directly beneath the holes in the mask [Harris D J, Hu H, Conrad J C and Lewis J A 2007 Phys. Rev. Lett. 98 148301]. We considered one particular case when centre-to-centre spacing between the holes is much less than the drop diameter. In our model, advection, diffusion, and sedimentation were taken into account. FlexPDE was utilized to solve an advection-diffusion equation using the finite element method. The simulation demonstrated that the colloidal particles accumulate below the holes as the solvent evaporates. Diffusion can reduce this accumulation.

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“…Within continual approaches, any effects connected with the particles are ignored. Among these effects are jamming [15,16] and shape-dependent capillary interactions [17].…”

Section: Modelmentioning

confidence: 99%