Abstract
We describe a simple method to prepare Co3O4 films on glass slides fabricated via solvothermal synthesis at 160°C for 90min. After the surface modification, the prepared films show extraordinary superhydrophobicity and good self-cleaning performance. The results indicate that the maximum water contact angle is approximately 169.2° and sliding angle is less than 3°. More importantly, such films exhibit excellent anti-icing properties: for a spherical-like water droplet placed on the surface at −4.6 to −5.0°C, ice cannot be formed for more than 66min. The super-hydrophobic films could have significant industrial applications in the future.
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