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. 2016 Apr 1;6:23760. doi: 10.1038/srep23760

Figure 5. Controlled bubble nucleation site location.

Figure 5

Optical images of (a)Printing patterns (200–750 μm and 1,000–750 μm) of single controlled site surface. (b) Single bubble nucleation with different sizes on two single sites at heat flux I (scale bar = 1 cm). (c), Scheme to control single bubble site, stabilized by a four dot hydrophobic polymer dot array and dense ZnO nanowire matrix. (d) OSU-patterned bubble nucleation arrays (scale bar = 1 cm). Videos of bubble nucleation, growth and departure are provided in the supplementary material.