Superhydrophobic and omnidirectional antireflective surfaces from nanostructured ormosil colloids

Adem Yildirim, Tural Khudiyev, Bihter Daglar, Hulya Budunoglu, Ali K. Okyay, Mehmet Bayindir

Research output: Contribution to journalArticle

60 Citations (Scopus)

Abstract

A large-area superhydrophobic and omnidirectional antireflective nanostructured organically modified silica coating has been designed and prepared. The coating mimics the self-cleaning property of superhydrophobic lotus leaves and omnidirectional broad band antireflectivity of moth compound eyes, simultaneously. Water contact and sliding angles of the coating are around 160 and 10, respectively. Coating improves the transmittance of the glass substrate around 4%, when coated on a single side of a glass, in visible and near-infrared region at normal incidence angles. At oblique incidence angles (up to 60) improvement in transmission reaches to around 8%. In addition, coatings are mechanically stable against impact of water droplets from considerable heights. We believe that our inexpensive and durable multifunctional coatings are suitable for stepping out of the laboratory to practical outdoor applications.

Original languageEnglish (US)
Pages (from-to)853-860
Number of pages8
JournalACS Applied Materials and Interfaces
Volume5
Issue number3
DOIs
StatePublished - Feb 13 2013
Externally publishedYes

Fingerprint

Colloids
Coatings
Glass
Water
Silicon Dioxide
ormosil
Cleaning
Silica
Infrared radiation
Substrates

Keywords

  • antireflection
  • functional surfaces
  • omnidirectional
  • organo-modified silica
  • self-cleaning
  • superhydrophobic

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Superhydrophobic and omnidirectional antireflective surfaces from nanostructured ormosil colloids. / Yildirim, Adem; Khudiyev, Tural; Daglar, Bihter; Budunoglu, Hulya; Okyay, Ali K.; Bayindir, Mehmet.

In: ACS Applied Materials and Interfaces, Vol. 5, No. 3, 13.02.2013, p. 853-860.

Research output: Contribution to journalArticle

Yildirim, Adem ; Khudiyev, Tural ; Daglar, Bihter ; Budunoglu, Hulya ; Okyay, Ali K. ; Bayindir, Mehmet. / Superhydrophobic and omnidirectional antireflective surfaces from nanostructured ormosil colloids. In: ACS Applied Materials and Interfaces. 2013 ; Vol. 5, No. 3. pp. 853-860.
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