A robust superhydrophobic and superoleophobic surface with inverse-trapezoidal microstructures on a large transparent flexible substrate
2010; Royal Society of Chemistry; Volume: 6; Issue: 7 Linguagem: Inglês
10.1039/b925970h
ISSN1744-6848
AutoresMaesoon Im, Hown Im, Joohyung Lee, Jun‐Bo Yoon, Yang‐Kyu Choi,
Tópico(s)Adhesion, Friction, and Surface Interactions
ResumoA robust superhydrophobic and superoleophobic surface is demonstrated. On a large-size template of the transparent polydimethylsiloxane (PDMS) elastomer surface, perfectly ordered microstructures with an inverse-trapezoidal cross section are fabricated with two consecutive PDMS replication processes and a three-dimensional diffuser lithography technique. The hydrophobicity and transparency were improved by additional coating of a fluoropolymer layer. The robustness of superhydrophobicity was confirmed by the water droplet impinging test. This transparent, flexible, and superhydrophobic surface provides a new approach for self-cleaning surfaces.
Referência(s)