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(Color online) Boiling curves of Pt and Pt/Al2O3 wires. The insert figure indicates the thickness dependent CHF and insert photos are the snapshots of bubble departure from Pt wires.
(Color online) SEM images of surface morphology of Pt wires (a1) with and (a2) without 20 nm ALD coatings after boiling in DI water. The scale bar is 2 μm. The wettability of DI water on (b1) a Pt wire after boiling and (b2) a copper substrate coated with 20 nm Al2O3 ALD. The red lines show the tangential angle of the static contact angle.
(Color online) Schematics of (a) interfacial forces acting on a sessile droplet (b) a unit cell for the macrolayer dryout model.8,27,28
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