Anti-Lotus effect for nanostructuring at the Leidenfrost temperature

Nanostructuring at the Leidenfrost temperature is carried out by exposing water-based solution droplets to overheated substrates at temperatures above 200 degrees C. This method is able to produce nanowires that form different geometries (see figure and inside cover) by inverting the Lotus effect: instead of removing material, moving droplets deposit nanoparticles. Alignment is achieved by employing simple masks.