3D Micropatterned Surface Inspired by Salvinia molesta via Direct Laser Lithography

Omar Tricinci, Tercio Terencio, Barbara Mazzolai, Nicola M. Pugno, Francesco Greco, Virgilio Mattoli

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

Biomimetic functional surfaces are attracting increasing attention for their relevant technological applications. Despite these efforts, inherent limitations of microfabrication techniques prevent the replication of complex hierarchical microstructures. Using a 3D laser lithography technique, we fabricated a 3D patterned surface bioinspired to Salvinia molesta leaves. The artificial hairs, with crownlike heads, were reproduced by scaling down (ca. 100 times smaller) the dimensions of natural features, so that microscale hairs with submicrometric resolution were attained. The micropatterned surface, in analogy with the natural model, shows interesting properties in terms of hydrophobicity and air retention when submerged by water, even if realized with a hydrophilic material. Furthermore, we successfully demonstrated the capability to promote localized condensation of water droplets from moisture in the atmosphere.

Original languageEnglish
Pages (from-to)25560-25567
Number of pages8
JournalACS Applied Materials and Interfaces
Volume7
Issue number46
DOIs
Publication statusPublished - 2015 Nov 25
Externally publishedYes

    Fingerprint

Keywords

  • 3D laser lithography
  • air trapping
  • biomimetics
  • fog collecting
  • hydrophobic surface

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Tricinci, O., Terencio, T., Mazzolai, B., Pugno, N. M., Greco, F., & Mattoli, V. (2015). 3D Micropatterned Surface Inspired by Salvinia molesta via Direct Laser Lithography. ACS Applied Materials and Interfaces, 7(46), 25560-25567. https://doi.org/10.1021/acsami.5b07722