涂层
材料科学
纳米纤维
蜘蛛
成核
纳米技术
水下
图层(电子)
粘附
生物污染
复合材料
化学工程
生态学
膜
化学
生物
海洋学
有机化学
地质学
工程类
生物化学
作者
Yixuan Wang,Ran Zhao,Xiao He,Zhe Zhang,Jing Meng,Shutao Wang
标识
DOI:10.1002/adma.202209796
摘要
To survive underwater even in severely hypoxic water for a long period, the water spider has to periodically collect and replenish air into the diving bell. Inspired by this natural air-replenishing strategy, a water spider-inspired nanofiber (WSN) coating with underwater superaerophilicity displaying excellent and sustainable scalephobic capability is prepared. Air film on the WSN coating can be well-kept and further employed as the barrier layer for scale repellence. Significantly, scalephobic capability of the WSN coating mainly originates from two aspects: inhibiting interfacial nucleation and reducing interfacial adhesion of scale. Compared with previous studies, this WSN coating achieves excellent and sustainable scale repellence (≈ 98% reduction in scale deposition) even after a one-month dynamic scaling test. Thus, this air-replenishing strategy may raise a new avenue for advanced long-term scalephobic materials.
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