Figure 1
Schematic of the evaporation-controlled DoS instrument with sacrificial solvent reservoir and environmental control chamber, adapted from Lauser et al.38 (see SI.2); set-up adapted from Dinic and Sharma23. To perform DoS measurements, the syringe pump is used to extrude a droplet from a needle with radius \(R_{0}\), which then forms a liquid bridge with height h upon contact with the substrate. A high-speed camera captures the evolution of the liquid bridge minimum radius R as the bridge thins in time. The environmental control chamber provides an atmosphere enriched in solvent vapor around the drop to prevent evaporation during this thinning process.
