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Potential-Dependent Adsorption and Orientation of meso-Substituted Porphyrins at Liquid|Liquid Interfaces Studied by Polarization-Modulation Total Internal Reflection Fluorescence Spectroscopy
http://hdl.handle.net/2297/45427
http://hdl.handle.net/2297/4542706098307-a2fb-4358-8d4b-47bec419e78e
名前 / ファイル | ライセンス | アクション |
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SC-PR-NAGATANI-H-7248_Supporting Information.pdf (364.4 kB)
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SC-PR-NAGATANI-H-7248.pdf (422.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Potential-Dependent Adsorption and Orientation of meso-Substituted Porphyrins at Liquid|Liquid Interfaces Studied by Polarization-Modulation Total Internal Reflection Fluorescence Spectroscopy | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Yamamoto, Sho
× Yamamoto, Sho× Nagatani, Hirohisa× Morita, Kotaro× Imura, Hisanori |
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書誌情報 |
Journal of Physical Chemistry C 巻 120, 号 13, p. 7248-7255, 発行日 2016-04-21 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1932-7447 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1217589X | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1021/acs.jpcc.6b02178 | |||||
出版者 | ||||||
出版者 | American Chemical Society | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Potential-dependent adsorption behavior of meso-substituted water-soluble porphyrins at the polarized water|1,2-dichloroethane (DCE) interface was studied by polarization-modulation total internal reflection fluorescence (PM-TIRF) spectroscopy. In the PM-TIRF experiments, the fluorescence signal from the interfacial region was analyzed as a function of the periodic modulation of linear-polarizations (p and s) of the incident excitation beam. The potential-dependence of PM-TIRF responses for meso-substituted porphyrins, 5,10,15,20-tetrakis(N-methylpyridyl)porphyrin (H2TMPyP4+) and 5,10,15,20-tetrakis(4-sulfonatophenyl)porphyrin (H2TPPS4-), indicated that both free base porphyrins were adsorbed with relatively lying orientations at the polarized water|DCE interface. The average orientation angles (θ) were estimated as θ = 61 ± 1°for H2TMPyP4+ and θ = 65 ± 1°for H2TPPS4- with respect to the interface normal. The wavelength-dependence of polarization-modulated fluorescence signals (PM-TIRF spectrum), which corresponds to "pure" emission spectrum of interfacial species, clearly indicated that H2TMPyP4+ and H2TPPS4- are adsorbed with a modification of the solvation at the interface. These results demonstrated a high ability of the PM-TIRF spectroscopy for the direct characterization of fluorescent species adsorbed at polarized liquid|liquid interfaces. © 2016 American Chemical Society. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Embargo Period 12 months / This article has Supplementary data | |||||
権利 | ||||||
権利情報 | © 2016 American Chemical Society | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |