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Fringe and Noise Reductions of pMAIRS Spectra Using Principal Component Analysis
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- SHIOYA Nobutaka
- Laboratory of Solution and Interface Chemistry, Division of Environmental Chemistry, Institute for Chemical Research, Kyoto University
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- SHIMOAKA Takafumi
- Laboratory of Solution and Interface Chemistry, Division of Environmental Chemistry, Institute for Chemical Research, Kyoto University
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- HASEGAWA Takeshi
- Laboratory of Solution and Interface Chemistry, Division of Environmental Chemistry, Institute for Chemical Research, Kyoto University
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Description
Infrared p-polarized multiple-angle incidence resolution spectrometry (pMAIRS) is a promising analytical tool for revealing the molecular orientation quantitatively of each chemical group in a thin film even with surface roughness. The spectra are often disturbed by noise and fringe, however, due to the multiple reflections in the substrate and the film, which makes the quantitative analysis very difficult. Therefore, improvement of the signal to noise (SN) ratio of the spectra is expected. Principal component analysis (PCA), in the present study, is first applied to the noise reduction for pMAIRS spectra of a poly(3-hexylthiophene) spin-coated thin film by employing the spin-speed as the experimental parameter. As a result, high quality pMAIRS spectra are readily obtained, with which highly reliable quantitative discussion is made.
Journal
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- Analytical Sciences
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Analytical Sciences 33 (1), 117-120, 2017
The Japan Society for Analytical Chemistry
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Keywords
Details 詳細情報について
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- CRID
- 1390282679236469760
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- NII Article ID
- 130005286435
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- NII Book ID
- AA10500785
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- ISSN
- 13482246
- 09106340
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- HANDLE
- 2433/218662
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- NDL BIB ID
- 027829697
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- PubMed
- 28070065
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- Text Lang
- en
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- Article Type
- journal article
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- Data Source
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- JaLC
- IRDB
- NDL Search
- Crossref
- PubMed
- CiNii Articles
- KAKEN
- OpenAIRE
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- Abstract License Flag
- Disallowed