We present a coarse-grained lattice gas approach applicable for modelling the drying-mediated self-assembly of nanoparticles. The approach is exemplified for self-assembly of binary superlattices and for the hierarchical self-assembly of nanoparticles over patterned templates. The theory predicts many observed superstructures along with novel morphologies yet to be explored. The role of solvent evaporation, nanoparticle diffusion mechanisms, surface patterning, and the relevant time and length scales are discussed.
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