Super-Hydrophobicity of Large-Area Honeycomb-Like Aligned Carbon Nanotubes
Shuhong Li(Institute of Chemistry), Huanjun Li(Institute of Chemistry), Xianbao Wang(Institute of Chemistry), Yanlin Song(Institute of Chemistry), Yunqi Liu(Institute of Chemistry), Lei Jiang(Chinese Academy of Sciences), Daoben Zhu(Chinese Academy of Sciences)
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Abstract
Honeycomb-like aligned carbon nanotube films were grown by pyrolysis of iron phthalocyanine. The patterned structure was characterized by a scanning electron micrograph (SEM) and an atomic force micrograph (AFM). Wettability studies revealed the film surface showed a super-hydrophobic property with much higher contact angle (163.4 ± 1.4°) and lower sliding angle (less than 5°)a water droplet moved easily on the surface. In contrast to a densely packed aligned carbon nanotube, the sliding feature was strongly affected by microstructure of surface.
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