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首页> 外文期刊>Journal of Materials Research >Condensed water on superhydrophobic carbon films
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Condensed water on superhydrophobic carbon films

机译：超疏水碳膜上的冷凝水

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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°, 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.
机译：纳米结构的碳材料，包括碳纳米管，纳米纤维和纳米壁，表现出许多有趣的特性，这些特性由许多不同的键合结构决定。当水滴放置在其表面上时，这些材料中的许多材料都具有超疏水性能：这些水滴具有高接触角，并且可以在表面上自由滚动，这是自清洁的理想选择。在这项工作中，我们使用微波等离子体增强化学气相沉积技术制备了多孔碳膜。这些膜表现出超疏水性，接触角为150°，这可以通过高度粗糙的表面与石墨烯片的氢封端边缘的协同效应来解释。但是，冷凝水滴的行为可能有所不同：水滴不易滚动。这种行为模仿了荷叶上的水，并进一步证明了所报道的超疏水行为是水如何进入表面的函数。

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