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智能材料与界面材料有机结合,赋予界面材料智能特性将是研究智能材料的一个新领域.通过水溶液以及低温水热合成方法,我们分别制备了氧化锌以及氧化钛一维无机半导体纳米棒薄膜.结合它们特殊的微米/纳米表面几何结构以及表面紫外光敏感性,在紫外光以及暗处保存的交替作用下,我们实现了表面超疏水以及超亲水的可逆转变性能.我们还讨论了一维纳米材料表面浸润性可逆转变的机理.这一原理可以拓展到其它具有类似纳米结构和外场相应性的纳米表面中.这些具有智能相应性的材料具有极其重要和广泛的工业用前景.
The combination of smart material and interface material, which will provide a new field of smart materials for interface materials, has been investigated.With aqueous solution and low temperature hydrothermal synthesis method, we prepared ZnO and titanium oxide one-dimensional inorganic semiconductor nanorod films respectively. Their special micro / nano surface geometry as well as the surface UV sensitivity, we achieved the superhydrophobic and superhydrophilic reversible transitions under the alternating effect of UV light and dark storage.We also discuss the one-dimensional nano The principle of reversible transformation of the wettability of the material surface can be extended to other nano-surfaces with similar nano-structure and field-responsive properties. These intelligent materials have extremely important and widespread industrial applications.