The substrates were dipped in the colloidal solutions contained in a tilted vial. Binary superlattices depending upon the nanoparticle composition in the colloid. Bigioni et al. (2006) (a) Schematic representation of the Coffee ring effect-driven particle accumulation at the droplet edge during drying. Reprinted with permission © 2019 John Wiley & Sons. (b) Suppression of coffee ring effect by slow droplet evaporation to form Au nanorod vertical assemblies as reported by Xie et al. Reproduced with permission © 2013 American Chemical Society. (c) Bigioni et al showed a combination of rapid solvent evaporation and attractive particle-particle interaction results in Au nanoparticle monolayer. Reproduced with permission © 2006 Nature Publishing Group. (d) Drying mechanism near the contact line of a liquid next to a vertical wettable solid substrate that induces particle accumulation near the contact line. Upward migration of particles during drying on vertical substrate as shown by Dimitrov and Nagayama. Reproduced with permission © 1996, American Chemical Society. (e) Simple evaporative assembly can also yield complex binary supercrystals. Reprinted with permission © 2006, American Chemical Society. (f) Horizontal convective selfassembly induced by capillary force. Reprinted with permission © 2019, American Chemical Society. (g) Controlled evaporation of nanoparticle colloid over an array of larger nanostructures lead to the formation of satellite-like binary assemblies. Reprinted with permission © 2021, American Chemical Society.