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[资源] CrystEngComm最新封面文章 - ZnO微纳结构的仿生合成及超亲水/超疏水性质

13年 CrystEngComm 上面最新封面文章，以荷叶为模板ZnO微纳结构的仿生合成及超亲水/超疏水性质

荷叶由于其微纳结构而具有超疏水的性质，本文以荷叶为模板，通过软刻蚀的方法在ZnO 溶胶-凝胶薄膜上复制荷叶微米柱状结构，后续利用ZnO纳米棒的水热生长可以调控最终微纳结构的润湿等表面性质，通过微纳结构的生长和低表面能材料的修饰可以获得超亲水/超疏水性质。该方法可以扩展应用于其他功能性金属氧化物和生物结构。

Mimicking nature: ZnO nanostructures fabricated from lotus leaf templates
By Wendy Mak, Development Editor.

Lotus leaves are superhydrophobic due to their microstructure, and the authors have pioneered a method of replicating this in a ZnO film by a ‘bottom up’ method. Using real lotus leaves as templates, they replicated the microstructure on ZnO films. The material consists of an array of micropillars, on which further nanostructures form after a second hydrothermal treatment. Depending on the solution used in the second stage, properties of the final structure, such as hydrophobicity, can be tuned.

Many natural materials have microstructures that give them desirable chemical or mechanical properties, and the method presented in this paper enables scientists to mimic them easily on other materials such as functional metal oxides.

来自： http://blogs.rsc.org/ce/2013/03/ ... tus-leaf-templates/

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2013-06-20 19:04:56, 2.37 M