Bioinspired tilt-angle fabricated structure gradient fibers: micro-drops fast transport in a long-distance.
Bioinspired tilt-angle fabricated structure gradient fibers: micro-drops fast transport in a long-distance.
复制标题
仿生倾斜角制造结构梯度纤维:微滴快速长距离传输
DOI:
10.1038/srep02927
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发表时间:
2013-10-11
影响因子:
4.6
通讯作者:
Zheng, Yongmei
中科院分区:
文献类型:
--
作者:
Chen, Yuan;Wang, Lin;Xue, Yan;Jiang, Lei;Zheng, Yongmei
Issues of surfaces, e.g., inspired from beetle's back, spider silk, cactus stem, etc., become the active area of research on designing novel materials in need of human beings to acquire fresh water resource from air. However, the design of materials on surface structure is little achieved on controlling of micro-scale drop transport in a long distance. Here, we report the ability of micro-drop transport in a long distance on a bioinspired Fibers with Gradient Spindle-knots (BFGS), which are fabricated by tilt angle dip-coating method. The micro-drop of ~0.25 μL transports in distance of ~5.00 mm, with velocity of 0.10–0.22 m s−1on BFGS. It is attributed to the multi-level cooperation of the release energy of drop coalescence along the gradient spindle-knots, in addition to capillary adhesion force and continuous difference of Laplace pressure, accordingly, water drops are driven to move fast directionally in a long distance on BFGS.
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影响因子:
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通讯作者:
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