| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○審査 (推奨): | □ | Peer Review
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| ○カテゴリ (推奨): | □ | 研究
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| ○共著種別 (推奨): | □ | 単独著作 (徳島大学内の単一の研究グループ(研究室等)内の研究 (単著も含む))
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| ○学究種別 (推奨): | □ | 博士前期課程学生による研究報告
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| ○組織 (推奨): | 1. | 徳島大学.工学部.光応用工学科
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| 2. | 徳島大学.大学院社会産業理工学研究部.フロンティア研究センター.光ナノテクノロジー研究部門.ナノ工学・材料工学分野 (〜2018年3月31日)
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| ○著者 (必須): | 1. | (英) Osaka Yuki (日) (読)
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| 2. | 菅野 智士 ([徳島大学.技術支援部.常三島技術部門.分析グループ]/[徳島大学.大学院社会産業理工学研究部.総合技術センター.分析・解析技術分野])
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| 3. | 橋本 修一
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| ○題名 (必須): | □ | (英) Plasmonic-heating-induced nanofabrication on glass substrates (日)
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| ○要約 (任意): | □ | (英) Fabricating nano-sized through-holes on a coverslip approximately 100 μm thick is challenging but rewarding when applied to ultrafine filters that separate proteins and DNA of various sizes and isolate viruses from cells. Toward this end, we developed an in situ etching-assisted laser processing technique exploiting gold nanoparticles. Plasmonic heating of a single gold nanoparticle through focused illumination of a continuous-wave laser beam enables structural modifications to be localized to the contact area on the glass surface. This results in the embedding of the particle forming nanocavities caused by chemical etching with aqueous tetrabutylammonium hydroxide. Depending on the shape of the nanoparticle, a highly flexible face geometry design such as a disk and triangle was achieved. The etching was monitored in situ through measurements of spectral red shifts in single-particle scattering, indicating an increasing medium refractive index consistent with embedding. The embedding process is unexpectedly fast, at 0.8 μm with 5 minutes of illumination. Besides nanoholes, we fabricated nanodomes around a single gold nanoparticle supported on a glass substrate through laser-heating-induced encapsulation. Overall, we were able to demonstrate true nano-laser processing free from diffraction-limited optics, with potential benefits of simple low-cost fabrication. (日)
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| ○発行所 (推奨): | □ | 英国王立化学会
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| ○誌名 (必須): | □ | Nanoscale (Royal Society of Chemistry (Great Britain)/Guo jia na mi ke xue zhong xin (China))
(pISSN: 2040-3364, eISSN: 2040-3372)
| ○ISSN (任意): | □ | 2040-3364
ISSN: 2040-3364
(pISSN: 2040-3364, eISSN: 2040-3372) Title: NanoscaleTitle(ISO): NanoscalePublisher: Royal Society of Chemistry (NLM Catalog)
(Scopus)
(CrossRef)
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| ○巻 (必須): | □ | 8
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| ○号 (必須): | □ | 42
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| ○頁 (必須): | □ | 18187 18196
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| ○年月日 (必須): | □ | 西暦 2016年 10月 10日 (平成 28年 10月 10日)
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| ○URL (任意): | □ | http://pubs.rsc.org/en/content/articlelanding/2016/nr/c6nr06543k#!divAbstract
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| ○DOI (任意): | □ | 10.1039/C6NR06543K (→Scopusで検索)
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