| ○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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| ○招待 (推奨): |
| ○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.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 (〜2018年3月31日)
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| 2. | 徳島大学.工学部.光応用工学科.光機能材料講座 (〜2023年3月31日)
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| ○著者 (必須): | 1. | (英) Aibara Issei (日) 相原 一生 (読)
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| 2. | (英) Mukai Shinya (日) 向井 真也 (読)
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| 3. | 橋本 修一
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| ○題名 (必須): | □ | (英) Plasmonic-Heating-Induced Nanoscale Phase Separation of Free Poly(N-isopropylacrylamide) Molecules (日)
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| ○副題 (任意): |
| ○要約 (任意): | □ | (英) The localized-surface-plasmon resonance (LSPR) of gold nanoparticles (Au NPs) depends sensitively on the environmental refractive index. We found that LSPRs of single Au NPs supported on a transparent substrate can monitor the phase transition/separation of thermoresponsive poly(N-isopropylacrylamide) (PNIPAM) in aqueous solution. Both reversible and irreversible phase separations were observed. Plasmonic-heating-induced redshifts and subsequent cooling-induced recovery were observed on a glass substrate. Besides reversible redshifts at lower laser intensities, permanent redshifts were evident at higher intensities after illumination on a sapphire substrate, which has a much higher thermal conductivity than glass. The permanent redshifts were caused by the formation of a PNIPAM shell around the NP. For this permanent aggregation, temperature shaping around the Au NP by the substrate was found decisive and may find new chemistry applications based on local temperature landscapes. The observed nanofabrication of core shell particles is one such example. (日)
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| ○キーワード (推奨): |
| ○発行所 (推奨): | □ | アメリカ化学会
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| ○誌名 (必須): | □ | The Journal of Physical Chemistry C ([アメリカ化学会])
(pISSN: 1932-7447, eISSN: 1932-7455)
| ○ISSN (任意): | □ | 1932-7447
ISSN: 1932-7447
(pISSN: 1932-7447, eISSN: 1932-7455) Title: The journal of physical chemistry. C, Nanomaterials and interfacesTitle(ISO): J Phys Chem C Nanomater InterfacesPublisher: American Chemical Society (NLM Catalog)
(Scopus)
(CrossRef)
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| ○巻 (必須): | □ | 120
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| ○号 (必須): | □ | 31
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| ○頁 (必須): | □ | 17745 17752
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| ○都市 (任意): |
| ○年月日 (必須): | □ | 西暦 2016年 7月 11日 (平成 28年 7月 11日)
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| ○URL (任意): | □ | http://pubs.acs.org/doi/abs/10.1021/acs.jpcc.6b04265
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| ○DOI (任意): | □ | 10.1021/acs.jpcc.6b04265 (→Scopusで検索)
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| ○WOS : | □ | 000381452000066
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| ○Scopus (任意): | 1. | 2-s2.0-84982091059
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| ○備考 (任意): | 1. | (英) open access (日)
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