Figure 12

Evaporative deposition of dilute SDS droplets with an initial SDS concentration of 2.46 mM under different DC voltages. (a) V = 0 V, (b) V = 200 V. All inserted scale bars represent 1 mm.

Evaporative deposition of dilute SDS droplets with an initial SDS concentration of 2.46 mM under different DC voltages. (a) V = 0 V, (b) V = 200 V. All inserted scale bars represent 1 mm.