Self-cleaning and superhydrophobic CuO coating by jet-nebulizer spray pyrolysis technique

Sanjay S. Latthe, P. Sudhagar*, C. Ravidhas, A. Jennifer Christy, D. David Kirubakaran, R. Venkatesh, Anitha Devadoss, C. Terashima, K. Nakata, Akira Fujishima

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

69 Citations (Scopus)


We demonstrate for the first time the fabrication of a superhydrophobic CuO coating with excellent self-cleaning ability by a custom-made jet nebulizer spray pyrolysis technique. A stable Cassie-Baxter superhydrophobic wetting state (water contact angle, ∼154°) was maintained even after high speed water jet impact on a monoclinic CuO crystallite coating, which realizes the robust feature of coating. The mist-type aerosol distribution from the nebulizer controls the resultant morphology of the CuO film, thereby tuning the superhydrophobic properties. The low-cost (∼$1) portable pocket-sized nebulizer affords reliable CuO superhydrophobic coatings on a wide range of desired host surfaces. This journal is

Original languageEnglish
Pages (from-to)2624-2628
Number of pages5
Issue number13
Publication statusPublished - 7 Apr 2015

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics


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