期刊
JOURNAL OF MATERIALS RESEARCH
卷 23, 期 8, 页码 2174-2178出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/JMR.2008.0260
关键词
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资金
- EPSCoR
- Office Of The Director [814194] Funding Source: National Science Foundation
Nanostructured carbon materials, including carbon nanotubes, nanofibers, and nanowalls, exhibit a wide range of interesting properties dictated by the many different bonding configurations. Many of these materials can possess superhydrophobic behavior when water drops are placed on their surfaces: these drops have high contact angles and can roll freely on the surfaces, which is desirable for self-cleaning. In this work, we prepared porous carbon films using a microwave plasma enhanced chemical vapor deposition technique. These films showed superhydrophobicity with contact angle of 150 degrees, which was explained by the synergetic effect of the highly rough surface combined with the hydrogen terminated edges of graphene sheets. However, the condensed water drops can behave differently: the drops did not roll readily. This behavior mimicked that of water on lotus leaves and further demonstrated that the reported superhydrophobic behavior is a function of how the water gets on to the surfaces.
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