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20231225180118.0 |
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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202007831
|2 doi
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|a pubmed24n1071.xml
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|a (DE-627)NLM321578589
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|a (NLM)33599009
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Park, Jusung
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Dispersion-Controlled Gold-Aluminum-Silicon Dioxide-Aluminum Nanopawn Structures for Visible to NIR Light Modulation
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1 |
|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 14.04.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a As an efficient patterning method for nanostructures, nanocolloidal lithography (NCL) presents a controllable and scalable means for achieving a uniform and good sidewall profile, and a high aspect ratio. While high selectivity between the etching mask and targeted materials is also essential for NCL-based precision nanophotonic structures, its realization in multi-material nanophotonic structures still remains a challenge due to the dielectric- or metallic-material-dependent etching selectivity. Here, dispersion-controlled Au-NCL is proposed, which enables high selectivity for Al and SiO2 over a Au nanoparticle (Au-NP) mask. Utilizing the proposed process, wafer-scale, uniformly dispersed multi-material nanopawn structures (Au-NPs/Al-SiO2 cylinders) on an Al ultrathin film are realized, obtaining excellent vertical sidewall (≈90°) and aspect ratio (>1). The high sidewall verticality and aspect ratio of the nanopawn structures support optical modes highly sensitive to the excitation direction of incident waves through the mixing of the interface-gap-assisted localized surface plasmons (GLSPs) formed in between the Au-NP and Al-disk interface, and plasmonic Fabry-Pérot (FP) modes formed in between the Al-disk and Al substrate; complementary spectral responses between reflected and scattered light are also demonstrated. As an application example, information encryption based on the triple-channel (i.e., reflection, scattering, and transmission) angle-dependent complementary-color responses is presented
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|a Journal Article
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4 |
|a colloidal lithography
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| 650 |
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4 |
|a gold nanoparticles
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| 650 |
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4 |
|a information encryption
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| 650 |
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4 |
|a multi-material nanostructures
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| 650 |
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4 |
|a plasmonic color filters
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| 700 |
1 |
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|a In, Sungjun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Park, Namkyoo
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 33(2021), 15 vom: 17. Apr., Seite e2007831
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:33
|g year:2021
|g number:15
|g day:17
|g month:04
|g pages:e2007831
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| 856 |
4 |
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|u http://dx.doi.org/10.1002/adma.202007831
|3 Volltext
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|d 33
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|h e2007831
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