自发纳米相分离原位形成人工 moth-eye 结构。
In situ formation of artificial moth-eye structure by spontaneous nano-phase separation.
机构信息
Functional Nanomaterials Laboratory, Center for Micro/Nanomaterials and Technology, and Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Zhongguancundonglu 29, Haidianqu, Beijing, 100190, China.
University of Chinese Academy of Sciences, Beijing, 100049, China.
出版信息
Sci Rep. 2018 Jan 18;8(1):1082. doi: 10.1038/s41598-018-19414-x.
Unprecedented in situ formation of artificial moth-eye structure is demonstrated by spontaneous nano-phase separation of a silica-based system on substrate. The moth-eye thin film with a homogenously distributed nipples array shows broadband antireflection functionalities. The mechanism of nano-phase separation is unveiled as spinodal decomposition by chemical freezing method and thermodynamic analysis. The current method may provide a new avenue to ready fabrication of patterned nanostructures toward a variety of applications.
通过在基底上的基于二氧化硅的体系的自发纳米相分离，展示了前所未有的人工蛾眼结构的就地形成。具有均匀分布的乳突阵列的蛾眼薄膜表现出宽带抗反射功能。通过化学冷冻法和热力学分析揭示了纳米相分离的机制是旋节分解。该方法可能为各种应用的图案化纳米结构的制备提供新途径。
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