Research / 2019 / Article / Fig 4

Research Article

Patterned Slippery Surface for Bubble Directional Transportation and Collection Fabricated via a Facile Method

Figure 4

The directional transportation of single bubble with the volume about 15 μL on the PSS-2 with different initial position: (a) treated stripe and (b) untreated stripe. The special transportation of bubble on different PSS samples. (c) Bubble covered three stripes during the transportation in PSS-1. (d) Bubble moved on the untreated stripe in PSS-3.