Large-scale broadband absorber based on metallic tungsten nanocone structure

被引:32
|
作者
Wang, Jiaxing [1 ]
Liang, Yuzhang [1 ]
Huo, Pengcheng [1 ]
Wang, Daopeng [1 ]
Tan, Jun [1 ]
Xu, Ting [1 ]
机构
[1] Nanjing Univ, Coll Engn & Appl Phys, Collaborat Innovat Ctr Adv Microstruct, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
基金
中国博士后科学基金; 中国国家自然科学基金;
关键词
ABSORPTION; ARRAY;
D O I
10.1063/1.5004520
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report a broadband tungsten absorber based on a nanocone metallic resonant structure fabricated by self-assembly nanosphere lithography. In experimental demonstration, the fabricated absorber has more than 90% average absorption efficiency and shows superior angular tolerance in the entire visible and near-infrared spectral region. We envision that this large-scale nanostructured broadband optical absorber would find great potential in the applications of high performance optoelectronic platforms and solar-thermal energy harvesting systems. Published by AIP Publishing.
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页数:5
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