Table 1. List of Tested Surfaces.
surface name | description | fabrication process | apparent CA after fabrication | apparent CA after boiling |
---|---|---|---|---|
REF | untreated reference surface | none | 76° | 90° |
HPO smooth | smooth hydrophobic surface | CVD | 124° | 76° |
HPO FT | superhydrophobic fully textured surfacea | laser texturing + CVD | >150° | 133° |
HPI FT | superhydrophilic fully textured surface | laser texturing | <1° | nonuniform droplet spreading |
HPO VS 1 | superhydrophobic surface with microcavitiesa | laser texturing + CVD | >150° | >150° |
HPO VS 2 | superhydrophobic surface with microcavitiesa | laser texturing + CVD | >150° | 143° |
HPO VS 3 | superhydrophobic surface with microcavitiesa | laser texturing + CVD | >150° | 141° |
HPO ES 1 | superhydrophobic surface with microcavitiesa | laser texturing + CVD | >150° | 144° |
HPO ES 2 | superhydrophobic surface with microcavitiesa | laser texturing + CVD | >150° | 143° |
HPI VS | superhydrophilic surface with microcavities | laser texturing | <1° | nonuniform droplet spreading |
HPI ES | superhydrophilic surface with microcavities | laser texturing | <1° | nonuniform droplet spreading |
roll-off angle, <5°.