Biomimetic Antireflective Hierarchical Arrays

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• 作者：Hongbo Xu ; Nan Lu ; Gang Shi ; Dianpeng Qi ; Bingjie Yang ; Haibo Li ; Weiqing Xu ; Lifeng Chi
• 刊名：Langmuir
• 出版年：2011
• 出版时间：April 19, 2011
• 年：2011
• 卷：27
• 期：8
• 页码：4963-4967
• 全文大小：894K
• 年卷期：v.27,no.8(April 19, 2011)
• ISSN：1520-5827

文摘

We report a simple method for the fabrication of biomimetic antireflective hierarchical arrays based on the combination of self-assembled polymer spheres and nanoimprint lithography (NIL). The hierarchical structures are fabricated by creating nanopillars on the microscale round protrusion arrays, which are similar to natural mosquito eyes consisting of combined micro- and nanostructures. The hierarchical arrays dramatically suppress the surface reflection from visible to near-infrared regions with an angle of incidence of up to 70掳.