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タイトル: Heat-generating property of a local plasmon resonator under illumination
著者: Namura, Kyoko  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-0374-4641 (unconfirmed)
Suzuki, Motofumi  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-6473-9141 (unconfirmed)
Nakajima, Kaoru  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-5390-1262 (unconfirmed)
Kimura, Kenji  KAKEN_id
著者名の別形: 名村, 今日子
鈴木, 基史
発行日: 15-Sep-2011
出版者: Optical Society of America
引用: Kyoko Namura, Motofumi Suzuki, Kaoru Nakajima, and Kenji Kimura, "Heat-generating property of a local plasmon resonator under illumination," Opt. Lett. 36, 3533-3535 (2011)
誌名: Optics Letters
巻: 36
号: 18
開始ページ: 3533
終了ページ: 3535
抄録: We have investigated the heat generation from gold nanoparticles resulting from their local plasma resonance. We have demonstrated the self-assembly of Au nanoparticle arrays/dielectric layer/Ag mirror sandwiches, i.e., a local plasmon resonator, using a dynamic oblique deposition technique. The thicknesses of the Au and dielectric layers were changed combinatorially on a single substrate. As a result, local plasmon resonator chips were successfully fabricated. Because of strong interference, their optical absorption can be controlled between 0.0% and 97% in the near-IR region, depending on the thickness of the dielectric layer. We evaluated the heat generation from Au nanoparticles by measuring the temperature of water with which a cell prepared on a chip is filled under laser illumination. The change in the water temperature is proportional to the optical absorption of the local plasmon resonator chips. This suggests that the photothermal conversion efficiency can be controlled by interference. These features make the application of the local plasmon resonator to nanoheaters, which can spatiotemporally control heat generation, suitable.
著作権等: © 2011 Optical Society of America
This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-36-18-3533. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
URI: http://hdl.handle.net/2433/152322
DOI(出版社版): 10.1364/OL.36.003533
PubMed ID: 21931381
関連リンク: http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-36-18-3533
出現コレクション:学術雑誌掲載論文等

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