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Design and fabrication of structural color by local surface plasmonic meta-molecules |
| Ma Ya-Qi (马亚琪)a, Shao Jin-Hai (邵金海)a, Zhang Ya-Feng (张亚峰)b, Lu Bing-Rui (陆冰睿)a, Zhang Si-Chao (张思超)a, Sun Yan (孙艳)c, Qu Xin-Ping (屈新萍)d, Chen Yi-Fang (陈宜方)a |
a State Key Laboratory of ASIC and System, School of Information Science and Engineering, Fudan University, Shanghai 200433, China;
b Department of Physics, Fudan University, Shanghai 200433, China;
c Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China;
d State Key Laboratory of ASIC and System, Fudan University, Shanghai 200433, China |
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Abstract In this paper, we propose a new form of nanostructures with Al film deposited on a patterned dielectric material for generating structural color, which is induced by local surface plasmonic resonant (LSPR) absorption in sub-wavelength-indented hole/ring arrays. Unlike other reported results obtained by using focus ion beam (FIB) to create metallic nanostructures, the nano-sized hole/ring arrays in Al film in this work are replicated by high resolution electron beam lithography (EBL) combined with self-aligned metallization. Clear structural color is observed and systematically studied by numerical simulations as well as optical characterizations. The central color is strongly related to the geometric size, which provides us with good opportunities to dye the colorless Al surface by controlling the hole/ring dimensions (both diameter and radius), and to open up broad applications in display, jewelry decoration, green production of packing papers, security code, and counterfeits prevention.
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Received: 01 December 2014
Revised: 25 February 2015
Accepted manuscript online:
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PACS:
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07.60.-j
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(Optical instruments and equipment)
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07.07.Hj
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(Display and recording equipment, oscilloscopes, TV cameras, etc.)
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42.79.-e
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(Optical elements, devices, and systems)
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| Fund: Project partially supported by the National Natural Science Foundation of China (Grant No. 61205148). |
Corresponding Authors:
Chen Yi-Fang
E-mail: yifangchen@fudan.edu.cn
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Cite this article:
Ma Ya-Qi (马亚琪), Shao Jin-Hai (邵金海), Zhang Ya-Feng (张亚峰), Lu Bing-Rui (陆冰睿), Zhang Si-Chao (张思超), Sun Yan (孙艳), Qu Xin-Ping (屈新萍), Chen Yi-Fang (陈宜方) Design and fabrication of structural color by local surface plasmonic meta-molecules 2015 Chin. Phys. B 24 080702
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