Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 2, Issue 8, Pages 2393-2398Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am1004046
Keywords
superhydrophobic; one-step; hierarchical structure; PODS; multilayer; OTS
Funding
- Natural Science Foundation of Zhejiang Province of China [Y4090084]
- Science and Technology Program of WenZhou [G20080144]
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The present paper describes the simple and low-cost process for the production of a superhydrophobic surface with micronano hierarchical structure from the chemisorptions of SiO2 nanoparticles onto polymerized n-octadecylsilane. The process was carried out under ambient conditions without the use of expensive equipment. The as prepared micronano binary films exhibited a very high contact angle of 79.9 degrees and a low contact hysteresis of 2.5 degrees. On the basis of the results of the characterization techniques scanning electron microscopy (SEM). Fourier transform infrared spectroscopy (FT-IR) and contact angle (CA) measurements, a formation mechnism of the superhydrophobic micronano structure was proposed. Drop impact experiments on the modified-glass substrate showed that the as prepared films possess a high-impalement threshold.
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