More nanoscale s̶o̶r̶c̶e̶r̶y̶ technology: copying the fine structure of lotus leaves to make water flow uphill, bounce, and run immediately down the slightest of slopes. In summary, we create a multifunctional metal surface by producing a hierarchical nano- and micro-structures with femtosecond laser pulses. The multifunctional surfaces exhibit combined effects of dramatically enhanced broadband light absorption, superhydrophobicity, and self-cleaning. This surface also has other highly desirable functionalities such as anti-corrosion, anti-icing, anti-biofouling, and self-sanitation, since these properties are directly related to superhydrophobicity. Dont worry, theres a video: https://youtube/watch?v=FLegmQ8_dHg (Paper: scitation.aip.org/content/aip/journal/jap/117/3/10.1063/1.4905616 - see also scitation.aip.org/content/aip/journal/apl/94/22/10.1063/1.3117237 regarding their earlier superhydrophilic surfaces, which make liquids sprint vertically uphill at an unprecedented speed of 1 cm/s)
Posted on: Thu, 22 Jan 2015 09:42:19 +0000
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