Evaporation angle, effect

The liquid phase distribution over time obtained from the numerical simulation is shown in Fig. 11 At the onset of evaporation, a curved meniscus develops inside the cylinder and recedes. Upon further evaporation, capillary effects become clearly visible large pores dry out earlier, while small pores stay saturated for a longer time. In order to study the effect of wettability, another simulation with the same particle packing but with a different value of the equilibrium contact angle has been performed, see Fig. 12. By comparing these two figures, one can see that the capillary effects are clearly more pronounced for smaller equilibrium contact angle. 

NSL—often called colloidal lithography (CL)— is an effective technique using self-assemblies of polystyrene (PS) micro- or nano-particles on solid surfaces as 2-or 3-dimensional masks for metal deposition (Zhang et al. 2010). The size and shapes of the close-packed nanospheres and the holes between them, in addition to the metal deposition conditions, such as evaporation angle or specific deposition technique (e.g., sputtering, thermal deposition), influence the achieved metallic patterns. A different kinds of metallic nanostructures can he obtained (Fig. 3.10) ... 

The study by low-angle X-ray scattering, electron microscopy, and differential scanning calorimetry of the mesophases obtained by dissolution of BSB copolymers in preferential solvents for the polystyrene block and of dry BSB copolymers obtained by slow evaporation of the solvent from the mesophases has allowed to establish the respective effect of different factors which control the structure of the mesophases and their geometrical parameters. It has been shown that the nature, concentration, polymerization of the solvent, and temperature have the same effect on BSB copolymers as on SB copolymers35,88-91. ... 

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