Super-hydrophobic property of nano-sized cupric oxide films

✍ Scribed by Xianli Liu; Zhonghao Jiang; Jing Li; Zhihui Zhang; Luquan Ren

• Book ID: 104094767
• Publisher: Elsevier Science
• Year: 2010
• Tongue: English
• Weight: 604 KB
• Volume: 204
• Category: Article
• ISSN: 0257-8972
• DOI: 10.1016/j.surfcoat.2010.03.012

✦ Synopsis

Cupric oxide Super-hydrophobic Water contact angle Micro-and nano-sized structure Electroless plating Nano-sized cupric oxide (CuO) films with biomimetic super-hydrophobic surfaces were fabricated by isothermally oxidizing nano-sized Cu films prepared by electroless plating on smooth glass substrate following modification with octadecanethiol (CH 3 -(CH 2 ) 17 -SH). The microstructure characterization showed that CuO films with 54 nm thickness have a dual-scale structure consisting of the 150-200 nm agglomerates composed of the 30-50 nm granules, a similar structure to lotus-leaf. The measurement of wettability showed that CuO films modified with octadecanethiol exhibit a super-hydrophobic property with a water contact angle of ~154°. The mechanism leading to the super-hydrophobic property of CuO films was also analyzed based on the results of X-ray photoelectron spectroscopy (XPS).