Optical Characterization of Gold Nanoparticle Layers Formed on Plastic Microbeads
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- SHIIGI Hiroshi
- Department of Applied Chemistry, Osaka Prefecture University
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- FUJITA Takahiro
- Department of Applied Chemistry, Osaka Prefecture University
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- SHAN Xueling
- Department of Applied Chemistry, Osaka Prefecture University
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- TERABE Masahiro
- Department of Applied Chemistry, Osaka Prefecture University
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- MIHASHI Atsushi
- Department of Applied Chemistry, Osaka Prefecture University
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- YAMAMOTO Yojiro
- GreenChem. Inc.
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- NAGAOKA Tsutomu
- Department of Applied Chemistry, Osaka Prefecture University
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Generally, the characterization of a metal layer formed on a planar substrate has been achieved using scanning electron microscopy and transmission electron microscopy. These techniques provide details of the surface and/or the cross-section of a planar structure with high resolution. However, the evaluation of sphere-like structures is troublesome owing to the necessity to observe a sample from various angles and/or to calculate the yield from many values obtained for many samples, since the conventional methods can observe a sample only from one direction. We have developed a simple evaluation method for a thin metal layer on plastic microbeads based on its light-scattering properties using dark-field microscopy coupled with a spectrometer. The light-scattering intensity of gold-nanoparticle-coated microbeads depends significantly on the gold coverage. We believe that our study is significant because it describes the development and evaluation of the surface coverage of a thin metal layer on a sphere-like microstructure.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 32 (3), 281-285, 2016
社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390001204258880640
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- NII論文ID
- 130005131625
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- NII書誌ID
- AA10500785
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- ISSN
- 13482246
- 09106340
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- NDL書誌ID
- 027203816
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- PubMed
- 26960606
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可