Superhydrophobic coatings prepared from methyl-modified silica particles using simple dip-coating method

Annaso B. Gurav, Qingfeng Xu, Sanjay S. Latthe, R. S. Vhatkar, Shanhu Liu, Hyun Yoon, Sam S. Yoon

Research output: Contribution to journalArticlepeer-review

91 Citations (Scopus)


A simple and time-saving approach for preparing self-cleaning superhydrophobic silica coatings using a dip-coating technique is reported in this study. Commercially available silica particles were modified with methyl groups using methyltrichlorosilane as a modifying agent. By adopting a multi-layer deposition process, a superhydrophobic silica coating with a water contact angle of 153°±2° and roll-off angle of 8°±1° was obtained. The prepared silica coating exhibited excellent self-cleaning performance; moreover, it was able to maintain superhydrophobicity under the impact of a water jet. This method could be an effective strategy for fabricating self-cleaning superhydrophobic surfaces for promising industrial applications.

Original languageEnglish
Pages (from-to)3017-3023
Number of pages7
JournalCeramics International
Issue number2
Publication statusPublished - 2015 Mar 1


  • Dip coating
  • Interface
  • Self-cleaning
  • Silica
  • Superhydrophobic

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry


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