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Giant circular dichroism of large-area extrinsic chiral metal nanocrecents
In this work, we demonstrate the strong extrinsic chirality of the larger-area metal nanocrescents by experiments and simulations. Our results show that the metal nanocrescent exhibits giant and tunable circular dichroism (CD) effect, which is intensively dependent on the incident angle of light. We...
Autores principales: | , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5820325/ https://www.ncbi.nlm.nih.gov/pubmed/29463837 http://dx.doi.org/10.1038/s41598-018-21627-z |
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author | Wang, Yane Qi, Jiwei Pan, Chongpei Wu, Qiang Yao, Jianghong Chen, Zongqiang Chen, Jing Li, Yudong Yu, Xuanyi Sun, Qian Xu, Jingjun |
author_facet | Wang, Yane Qi, Jiwei Pan, Chongpei Wu, Qiang Yao, Jianghong Chen, Zongqiang Chen, Jing Li, Yudong Yu, Xuanyi Sun, Qian Xu, Jingjun |
author_sort | Wang, Yane |
collection | PubMed |
description | In this work, we demonstrate the strong extrinsic chirality of the larger-area metal nanocrescents by experiments and simulations. Our results show that the metal nanocrescent exhibits giant and tunable circular dichroism (CD) effect, which is intensively dependent on the incident angle of light. We attribute the giant extrinsic chirality of the metal nanocrescent to the excitation efficiencies difference of localized surface plasmon resonance (LSPR) modes for two kinds of circularly polarized light at a non-zero incident angle. In experiment, the largest CD of 0.37 is obtained at the wavelength of 826 nm with the incident angle of 60°. Furthermore, the CD spectra can be tuned flexibly by changing the metal nanocrescent diameter. Benefitting from the simple, low-cost and mature fabrication process, the proposed large-area metal nanocrescents are propitious to application. |
format | Online Article Text |
id | pubmed-5820325 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-58203252018-02-26 Giant circular dichroism of large-area extrinsic chiral metal nanocrecents Wang, Yane Qi, Jiwei Pan, Chongpei Wu, Qiang Yao, Jianghong Chen, Zongqiang Chen, Jing Li, Yudong Yu, Xuanyi Sun, Qian Xu, Jingjun Sci Rep Article In this work, we demonstrate the strong extrinsic chirality of the larger-area metal nanocrescents by experiments and simulations. Our results show that the metal nanocrescent exhibits giant and tunable circular dichroism (CD) effect, which is intensively dependent on the incident angle of light. We attribute the giant extrinsic chirality of the metal nanocrescent to the excitation efficiencies difference of localized surface plasmon resonance (LSPR) modes for two kinds of circularly polarized light at a non-zero incident angle. In experiment, the largest CD of 0.37 is obtained at the wavelength of 826 nm with the incident angle of 60°. Furthermore, the CD spectra can be tuned flexibly by changing the metal nanocrescent diameter. Benefitting from the simple, low-cost and mature fabrication process, the proposed large-area metal nanocrescents are propitious to application. Nature Publishing Group UK 2018-02-20 /pmc/articles/PMC5820325/ /pubmed/29463837 http://dx.doi.org/10.1038/s41598-018-21627-z Text en © The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
spellingShingle | Article Wang, Yane Qi, Jiwei Pan, Chongpei Wu, Qiang Yao, Jianghong Chen, Zongqiang Chen, Jing Li, Yudong Yu, Xuanyi Sun, Qian Xu, Jingjun Giant circular dichroism of large-area extrinsic chiral metal nanocrecents |
title | Giant circular dichroism of large-area extrinsic chiral metal nanocrecents |
title_full | Giant circular dichroism of large-area extrinsic chiral metal nanocrecents |
title_fullStr | Giant circular dichroism of large-area extrinsic chiral metal nanocrecents |
title_full_unstemmed | Giant circular dichroism of large-area extrinsic chiral metal nanocrecents |
title_short | Giant circular dichroism of large-area extrinsic chiral metal nanocrecents |
title_sort | giant circular dichroism of large-area extrinsic chiral metal nanocrecents |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5820325/ https://www.ncbi.nlm.nih.gov/pubmed/29463837 http://dx.doi.org/10.1038/s41598-018-21627-z |
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