Superhydrophobic surfaces using selected zinc oxide microrod growth on ink-jetted patterns

Myo Tay Zar Myint, Rungrot Kitsomboonloha, Sunandan Baruah, Joydeep Dutta*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

53 Citations (Scopus)


The synthesis and properties of superhydrophobic surfaces based on binary surface topography made of zinc oxide (ZnO) microrod-decorated micropatterns are reported. ZnO is intrinsically hydrophilic but can be utilized to create hydrophobic surfaces by creating artificial roughness via microstructuring. Micron scale patterns consisting of nanocrystalline ZnO seed particles were applied to glass substrates with a modified ink-jet printer. Microrods were then grown on the patterns by a hydrothermal process without any further chemical modification. Water contact angle (WCA). 1Water contact angle (WCA).1 up to 153° was achieved. Different micro array patterned surfaces with varying response of static contact angle or sessile droplet analysis are reported.

Original languageEnglish
Pages (from-to)810-815
Number of pages6
JournalJournal of Colloid and Interface Science
Issue number2
Publication statusPublished - Feb 15 2011
Externally publishedYes


  • Binary structure
  • Contact angle
  • Ink-jet printing
  • Superhydrophobic
  • ZnO microrod

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Colloid and Surface Chemistry


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