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As fabrication and positioning of micro‐ and nanocrystals grow in importance in a wide range technological applications, there is an increasing requirement for the development of a shared technological platform that is able to process materials from solutions on large areas. Here, the application of lithographically controlled wetting (LCW) for the manipulation and positioning of single crystals directly on devices is reported. In the LCW, a stamp, consisting of a metallic grid, is positioned in contact with a liquid thin film spread on a substrate; under these conditions, the capillary forces pin the solution to the stamp protrusions, thus splitting the continuous film in separated droplets or channels. As the solvent evaporates and the solution reaches the saturation, the solute precipitates onto the substrate within the menisci, giving rise to a structured thin film, in correspondence of the protrusion of the stamp. The possibility to …
Publication date: 
1 Apr 2016

Denis Gentili, Fabiola Liscio, Luigi Mariucci, Luca Beverina, Manuela Melucci, Stefano Toffanin, Silvia Milita, Massimiliano Cavallini

Biblio References: 
Volume: 26 Issue: 14 Pages: 2387-2393
Advanced Functional Materials