Ordered structure and twin boundary of triblock copolymer/silica mesophase thin films
Ordered structure and twin boundary of triblock copolymer/silica mesophase thin films
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三嵌段共聚物/二氧化硅中间相薄膜的有序结构和孪晶界
DOI：
10.1063/1.1622433
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发表时间：
2003
影响因子：
4
通讯作者：
M. Kim
中科院分区：
文献类型：
--
作者：
C. Ahn;T. Rasing;M. Kim
我们已经观察到的三嵌段共聚物/二氧化硅中间相薄膜中的孪晶界，通过纺丝的三嵌段共聚物的酸性水-乙醇-四乙氧基硅烷溶液在亲水处理的硅基板上产生。通过自组装三嵌段共聚物胶束的有序化形成了高度有序的中间相薄膜结构，并用x射线反射率和透射电子显微镜进行了表征。该中间相薄膜由面心立方晶格组成，薄膜表面取向为{111}面。此外，在中间相薄膜中观察到{111}孪晶面。
We have observed a twin boundary in a triblock copolymer/silica mesophase thin film, produced by spinning an acidic water-ethanol-tetraethoxysilane solution of a triblock copolymer on a hydrophilic treated silicon substrate. The highly ordered structure of the mesophase thin film is formed by ordering of self-assembled triblock copolymer micelles and was characterized with x-ray reflectivity and transmission electron microscopy. The mesophase thin film consists of a face-centered-cubic lattice and the orientation of the film surface is the {111} plane. Furthermore, a {111} twin plane is observed in the mesophase thin film.