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Fast and efficient nanoparticle trapping using plasmonic connected nanoring apertures
https://oist.repo.nii.ac.jp/records/1833
https://oist.repo.nii.ac.jp/records/1833cfdd49bf-af99-4f44-b910-2feb0ea5387c
名前 / ファイル | ライセンス | アクション |
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Bouloumis_2021_Nanotechnology_32_025507 (1.5 MB)
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Creative Commons Attribution 4.0 International(https://creativecommons.org/licenses/by/4.0/)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-12-09 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Fast and efficient nanoparticle trapping using plasmonic connected nanoring apertures | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | nanoparticles | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | nanostructured array | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | optical forces | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasmonic optical tweezers | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | coaxial aperture | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | trap stiffness | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | trapping time | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Bouloumis, Theodoros D
× Bouloumis, Theodoros D× Kotsifaki, Domna G× Han, Xue× Chormaic, Síle Nic× Truong, Viet Giang |
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書誌情報 |
en : Nanotechnology 巻 32, 号 2, p. 025507, 発行日 2020-10-20 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | The manipulation of microparticles using optical forces has led to many applications in the life and physical sciences. To extend optical trapping towards the nano-regime, in this work we demonstrate trapping of single nanoparticles in arrays of plasmonic coaxial nano-apertures with various inner disk sizes and theoretically estimate the associated forces. A high normalized experimental trap stiffness of 3.50 fN nm⁻¹ mW⁻¹ μm⁻² for 20 nm polystyrene particles is observed for an optimum design of 149 nm for the nanodisk diameter at a trapping wavelength of 980 nm. Theoretical simulations are used to interpret the enhancement of the observed trap stiffness. A quick particle trapping time of less than 8 s is obtained at a concentration of 14 x 10¹¹ particles ml⁻¹ with low incident laser intensity of 0.59 mW μm⁻². This good trapping performance with fast delivery of nanoparticles to multiple trapping sites emerges from a combination of the enhanced electromagnetic near-field and spatial temperature increase. This work has applications in nanoparticle delivery and trapping with high accuracy, and bridges the gap between optical manipulation and nanofluidics. | |||||
出版者 | ||||||
出版者 | IOP Publishing Ltd. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0957-4484 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1361-6528 | |||||
PubMed番号 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/32992307 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1088/1361-6528/abbca9 | |||||
権利 | ||||||
権利情報 | © 2020 The Author(s). | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://iopscience.iop.org/article/10.1088/1361-6528/abbca9 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |