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Disorder‐Induced Material‐Insensitive Optical Response in Plasmonic Nanostructures: Vibrant Structural Colors from Noble Metals

Peng Mao, Changxu Liu, Yubiao Niu, Yuyuan Qin, Fengqi Song, Min Han, Richard Palmer Orcid Logo, Stefan A. Maier, Shuang Zhang

Advanced Materials, Volume: 33, Issue: 23, Start page: 2007623

Swansea University Author: Richard Palmer Orcid Logo

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DOI (Published version): 10.1002/adma.202007623

Abstract

Materials show various responses to incident light, owing to their unique dielectric functions. A well-known example is the distinct colors displayed by metals, providing probably the simplest method to identify gold, silver, and bronze since ancient times. With the advancement of nanotechnology, op...

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Published in: Advanced Materials
ISSN: 0935-9648 1521-4095
Published: Wiley 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa57900
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spelling 2021-12-02T09:13:27.1586585 v2 57900 2021-09-15 Disorder‐Induced Material‐Insensitive Optical Response in Plasmonic Nanostructures: Vibrant Structural Colors from Noble Metals 6ae369618efc7424d9774377536ea519 0000-0001-8728-8083 Richard Palmer Richard Palmer true false 2021-09-15 MECH Materials show various responses to incident light, owing to their unique dielectric functions. A well-known example is the distinct colors displayed by metals, providing probably the simplest method to identify gold, silver, and bronze since ancient times. With the advancement of nanotechnology, optical structures with feature sizes smaller than the optical wavelength have been routinely achieved. In this regime, the optical response is also determined by the geometry of the nanostructures, inspiring flourishing progress in plasmonics, photonic crystals, and metamaterials. Nevertheless, the nature of the materials still plays a decisive role in light–matter interactions, and this material-dependent optical response is widely accepted as a norm in nanophotonics. Here, a counterintuitive system—plasmonic nanostructures composed of different materials but exhibiting almost identical reflection—is proposed and realized. The geometric disorder embedded in the system overwhelms the contribution of the material properties to the electrodynamics. Both numerical simulations and experimental results provide concrete evidence of the insensitivity of the optical response to different plasmonic materials. The same optical response is preserved with various materials, providing great flexibility of freedom in material selection. As a result, the proposed configuration may shed light on novel applications ranging from Raman spectroscopy, photocatalysis, to nonlinear optics. Journal Article Advanced Materials 33 23 2007623 Wiley 0935-9648 1521-4095 disorder; nanophotonics; plasmonics 10 6 2021 2021-06-10 10.1002/adma.202007623 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2021-12-02T09:13:27.1586585 2021-09-15T15:32:58.5204560 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Peng Mao 1 Changxu Liu 2 Yubiao Niu 3 Yuyuan Qin 4 Fengqi Song 5 Min Han 6 Richard Palmer 0000-0001-8728-8083 7 Stefan A. Maier 8 Shuang Zhang 9 57900__20855__0190aae812fa44cda765a5ffb55e4e5b.pdf 57900.pdf 2021-09-15T15:36:21.6035371 Output 1300932 application/pdf Accepted Manuscript true 2022-04-30T00:00:00.0000000 true eng https://creativecommons.org/licenses/by-nc-nd/2.0/
title Disorder‐Induced Material‐Insensitive Optical Response in Plasmonic Nanostructures: Vibrant Structural Colors from Noble Metals
spellingShingle Disorder‐Induced Material‐Insensitive Optical Response in Plasmonic Nanostructures: Vibrant Structural Colors from Noble Metals
Richard Palmer
title_short Disorder‐Induced Material‐Insensitive Optical Response in Plasmonic Nanostructures: Vibrant Structural Colors from Noble Metals
title_full Disorder‐Induced Material‐Insensitive Optical Response in Plasmonic Nanostructures: Vibrant Structural Colors from Noble Metals
title_fullStr Disorder‐Induced Material‐Insensitive Optical Response in Plasmonic Nanostructures: Vibrant Structural Colors from Noble Metals
title_full_unstemmed Disorder‐Induced Material‐Insensitive Optical Response in Plasmonic Nanostructures: Vibrant Structural Colors from Noble Metals
title_sort Disorder‐Induced Material‐Insensitive Optical Response in Plasmonic Nanostructures: Vibrant Structural Colors from Noble Metals
author_id_str_mv 6ae369618efc7424d9774377536ea519
author_id_fullname_str_mv 6ae369618efc7424d9774377536ea519_***_Richard Palmer
author Richard Palmer
author2 Peng Mao
Changxu Liu
Yubiao Niu
Yuyuan Qin
Fengqi Song
Min Han
Richard Palmer
Stefan A. Maier
Shuang Zhang
format Journal article
container_title Advanced Materials
container_volume 33
container_issue 23
container_start_page 2007623
publishDate 2021
institution Swansea University
issn 0935-9648
1521-4095
doi_str_mv 10.1002/adma.202007623
publisher Wiley
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
document_store_str 1
active_str 0
description Materials show various responses to incident light, owing to their unique dielectric functions. A well-known example is the distinct colors displayed by metals, providing probably the simplest method to identify gold, silver, and bronze since ancient times. With the advancement of nanotechnology, optical structures with feature sizes smaller than the optical wavelength have been routinely achieved. In this regime, the optical response is also determined by the geometry of the nanostructures, inspiring flourishing progress in plasmonics, photonic crystals, and metamaterials. Nevertheless, the nature of the materials still plays a decisive role in light–matter interactions, and this material-dependent optical response is widely accepted as a norm in nanophotonics. Here, a counterintuitive system—plasmonic nanostructures composed of different materials but exhibiting almost identical reflection—is proposed and realized. The geometric disorder embedded in the system overwhelms the contribution of the material properties to the electrodynamics. Both numerical simulations and experimental results provide concrete evidence of the insensitivity of the optical response to different plasmonic materials. The same optical response is preserved with various materials, providing great flexibility of freedom in material selection. As a result, the proposed configuration may shed light on novel applications ranging from Raman spectroscopy, photocatalysis, to nonlinear optics.
published_date 2021-06-10T04:13:59Z
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score 11.017797

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