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Open AccessFeature PaperArticle

Cost-Effective and High-Throughput Plasmonic Interference Coupled Nanostructures by Using Quasi-Uniform Anodic Aluminum Oxide

1
Department of Mechanical Engineering, College of Engineering, Kyung Hee University, Yongin 446-70, Korea
2
Department of Physics, Korea University, Anamro 145, Seoul 02841, Korea
*
Authors to whom correspondence should be addressed.
Coatings 2019, 9(7), 420; https://doi.org/10.3390/coatings9070420
Received: 22 May 2019 / Revised: 25 June 2019 / Accepted: 27 June 2019 / Published: 30 June 2019
Large-area and uniform plasmonic nanostructures have often been fabricated by simply evaporating noble metals such as gold and silver on a variety of nanotemplates such as nanopores, nanotubes, and nanorods. However, some highly uniform nanotemplates are limited to be utilized by long, complex, and expensive fabrication. Here, we introduce a cost-effective and high-throughput fabrication method for plasmonic interference coupled nanostructures based on quasi-uniform anodic aluminum oxide (QU-AAO) nanotemplates. Industrial aluminum, with a purity of 99.5%, and copper were used as a base template and a plasmonic material, respectively. The combination of these modifications saves more than 18 h of fabrication time and reduces the cost of fabrication 30-fold. From optical reflectance data, we found that QU-AAO based plasmonic nanostructures exhibit similar optical behaviors to highly ordered (HO) AAO-based nanostructures. By adjusting the thickness of the AAO layer and its pore size, we could easily control the optical properties of the nanostructures. Thus, we expect that QU-AAO might be effectively utilized for commercial plasmonic applications. View Full-Text
Keywords: nanoplasmonics; optical interference; cost-effective; high-throughput; anodic aluminum oxide; quasi-uniform nanoplasmonics; optical interference; cost-effective; high-throughput; anodic aluminum oxide; quasi-uniform
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MDPI and ACS Style

Bae, Y.; Yu, J.; Jung, Y.; Lee, D.; Choi, D. Cost-Effective and High-Throughput Plasmonic Interference Coupled Nanostructures by Using Quasi-Uniform Anodic Aluminum Oxide. Coatings 2019, 9, 420. https://doi.org/10.3390/coatings9070420

AMA Style

Bae Y, Yu J, Jung Y, Lee D, Choi D. Cost-Effective and High-Throughput Plasmonic Interference Coupled Nanostructures by Using Quasi-Uniform Anodic Aluminum Oxide. Coatings. 2019; 9(7):420. https://doi.org/10.3390/coatings9070420

Chicago/Turabian Style

Bae, Yoonsu; Yu, Jiseop; Jung, Yeonseok; Lee, Donghun; Choi, Dukhyun. 2019. "Cost-Effective and High-Throughput Plasmonic Interference Coupled Nanostructures by Using Quasi-Uniform Anodic Aluminum Oxide" Coatings 9, no. 7: 420. https://doi.org/10.3390/coatings9070420

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