Mimicking the nanostructure of bamboo leaves (backside) for hydrophobicity using polydimethylsiloxane moulding and nano-lmprint lithography

Jaeyeon Hwang, Sung Hoon Hong, Heon Lee

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Extensive studies have revealed that various kinds of plant leaf have a hydrophobic property which arises from the micro- and nano-scale structure of the leaves. As the self-cleaning capability of plant leaves, termed the lotus effect, is based on their micro- and nano-scale structure, this hydrophobic property can be obtained on various other surfaces by duplication of the leaves' structure. In this study, the hydrophobic structure on bamboo leaves {Pseudosasa japonica) was successfully replicated on a glass substrate using polydimethylsiloxane (PDMS) molding technique and UV nanoim-print lithography. The replicated nano structure, made of perfluorinated acrylate imprint resin, was characterized by scanning electron microscopy (SEM) and its hydrophobicity was evaluated by contact angle measurements which confirmed that the hydrophobic nature and self-cleaning capability of the original bamboo leaves were also replicated.

Original languageEnglish
Pages (from-to)3644-3647
Number of pages4
JournalJournal of Nanoscience and Nanotechnology
Volume9
Issue number6
DOIs
Publication statusPublished - 2009 Jun 1

Fingerprint

Plant Leaves
Bamboo
Nanostructures
Polydimethylsiloxane
Hydrophobicity
hydrophobicity
Hydrophobic and Hydrophilic Interactions
Molding
Lithography
leaves
Cleaning
lithography
Angle measurement
Electron Scanning Microscopy
Contact angle
Glass
Resins
cleaning
Scanning electron microscopy
Substrates

Keywords

  • Biomimetics
  • Lotus effect
  • Nano-lmprint lithography (NIL)
  • PDMS mold
  • Superhydrophobicity

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Chemistry(all)
  • Materials Science(all)
  • Bioengineering
  • Biomedical Engineering

Cite this

Mimicking the nanostructure of bamboo leaves (backside) for hydrophobicity using polydimethylsiloxane moulding and nano-lmprint lithography. / Hwang, Jaeyeon; Hong, Sung Hoon; Lee, Heon.

In: Journal of Nanoscience and Nanotechnology, Vol. 9, No. 6, 01.06.2009, p. 3644-3647.

Research output: Contribution to journalArticle

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