期刊
LANGMUIR
卷 26, 期 22, 页码 17203-17209出版社
AMER CHEMICAL SOC
DOI: 10.1021/la103221m
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资金
- Center for Ninostructured Materials Technology [2010K000298]
- MEST, Korea
- Kyungpook National University
We investigated the long-lasting hydrophilic behavior of a Si-incorporated diamond-like carbon (Si-DLC) film by varying the Si fraction in DLC matrix through oxygen and nitrogen plasma surface treatments. The wetting behavior of the water droplets on the pure DLC and Si-DLC with the nitrogen or oxygen plasma treatment revealed that the Si element in the oxygen-plasma-treated Si-DLC films played a major role in maintaining a hydrophilic wetting angle of < 10 degrees for 20 days in ambient air. The nanostructured patterns with a roughness of similar to 10 run evolved because of the selective etching of the carbon matrix by the oxygen plasma in the Si-DLC film, where the chemical component of the Si-Ox bond was enriched on the top of the nanopatterns and remained for over 20 days.
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