Journal
LANGMUIR
Volume 25, Issue 24, Pages 14187-14194Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la9015492
Keywords
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Funding
- National Science Council of Taiwan
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The hierarchical structure silica Surface of inlaying silica nanoparticles along a regular pillar-like pattern is fabricated by embossing silica sol-gel precursor mixed with silica nanoparticles on glass substrates with an elastomeric mold. The substrate is further modified by a self-assembled fluorosilanated monolayer to reduce its surface energy. The advancing/receding contact angle measurements are performed to demonstrate that a water droplet on these surfaces can exhibit a transition from the Wenzel state to the Cassie state due to the addition of silica nanoparticles to enhance its surface roughness.
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