Development of a novel spectroscopic technique for revealing the molecular orientation in a thin film deposited on particles or a rough surface
Project/Area Number |
26620118
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Research Category |
Grant-in-Aid for Challenging Exploratory Research
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Allocation Type | Multi-year Fund |
Research Field |
Analytical chemistry
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Research Institution | Kyoto University |
Principal Investigator |
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Research Collaborator |
SHIMOAKA Takafumi 京都大学, 化学研究所, 助教 (40609921)
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Project Period (FY) |
2014-04-01 – 2017-03-31
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Project Status |
Completed (Fiscal Year 2016)
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Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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Keywords | 粗表面 / 表面選択律 / 吸着分子 / 分子配向 / 赤外分光法 / 表面粗さ / 分子配向解析 / 拡散反射 / 表面吸着種 / 微粒子 / 微粒子表面 |
Outline of Final Research Achievements |
Surface selection rule (SSR) for discussing the molecular orientation in a thin film adsorbed on a rough surface is figured out by analyzing a surface monolayer by defining the angle of incidence and polarizations. By introducing crossed-Nicol polarizers in the incident and detection paths, the specular reflection and diffuse reflection components are readily separated. To fully understand the spectra of the SAM, a new idea is proposed that the incidental light can be excluded from the discussion when the angle of incidence is small, which is named the pseudo-transmission (pd-Tr) model. Through the experiments of all the combinations of polarizations and angles of incidence, the pd-Tr model and the light suppression are found to be an important base to fully understand the SSR of molecular adsorbates on a rough surface of a non-absorbing medium.
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Report
(4 results)
Research Products
(172 results)
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[Presentation] An origin of complicated infrared spectra of perfluoroalkyl compounds involving a normal alkyl group2015
Author(s)
Takeshi Hasegawa, Takafumi Shimoaka, Yuki Tanaka, Nobutaka Shioya, Kohei Morita, Masashi Sonoyama, Hideki Amii, Toshiyuki Takagi, Toshiyuki Kanamori
Organizer
Pacifichem 2015
Place of Presentation
Honolulu, HI, USA
Year and Date
2015-12-16
Related Report
Invited
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