Solvatochromism of a merocyanine derivative in a self-assembled monolayer on gold substrates

Katsuhiko Fujita, Masahiko Hara, Hiroyuki Sasabe, Wolfgang Knoll, Kazuma Tsuboi, Kotaro Kajikawa, Kazuhiko Seki, Yukio Ouchi

研究成果: ジャーナルへの寄稿記事

21 引用 (Scopus)

抄録

The merocyanine, 1-alkyl-4-(4-hydroxystyryl)pyridinium halide, shows solvatochromism depending on environmental condition such as pH and polarity of the solvent. We synthesized the merocyanine derivative with a disulfide group tethering it on metal surfaces to form a self-assembled monolayer. The adsorption process of the merocyanine derivative was monitored by in situ surface plasmon spectroscopy (SPS). The SPS and X-ray photoelectron spectroscopy independently indicated that the monolayer was densely packed on a gold substrate. To investigate the solvatochromism following the exposures to organic solutions we applied reflection spectroscopy in the UV - vis region. For more detailed discussions on the reflection spectra, theoretical calculations were carried out on the basis of Fresnel formulas. The results indicated that the merocyanine group shows solvatochromism even in the densely packed layer.

元の言語英語
ページ(範囲)7456-7462
ページ数7
ジャーナルLangmuir
14
発行部数26
出版物ステータス出版済み - 12 22 1998

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Self assembled monolayers
Gold
Spectroscopy
gold
Derivatives
Substrates
tethering
spectroscopy
disulfides
metal surfaces
halides
Monolayers
polarity
X ray photoelectron spectroscopy
photoelectron spectroscopy
Disulfides
Adsorption
adsorption
Metals
merocyanine

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

これを引用

Fujita, K., Hara, M., Sasabe, H., Knoll, W., Tsuboi, K., Kajikawa, K., ... Ouchi, Y. (1998). Solvatochromism of a merocyanine derivative in a self-assembled monolayer on gold substrates. Langmuir, 14(26), 7456-7462.

Solvatochromism of a merocyanine derivative in a self-assembled monolayer on gold substrates. / Fujita, Katsuhiko; Hara, Masahiko; Sasabe, Hiroyuki; Knoll, Wolfgang; Tsuboi, Kazuma; Kajikawa, Kotaro; Seki, Kazuhiko; Ouchi, Yukio.

:: Langmuir, 巻 14, 番号 26, 22.12.1998, p. 7456-7462.

研究成果: ジャーナルへの寄稿記事

Fujita, K, Hara, M, Sasabe, H, Knoll, W, Tsuboi, K, Kajikawa, K, Seki, K & Ouchi, Y 1998, 'Solvatochromism of a merocyanine derivative in a self-assembled monolayer on gold substrates', Langmuir, 巻. 14, 番号 26, pp. 7456-7462.
Fujita K, Hara M, Sasabe H, Knoll W, Tsuboi K, Kajikawa K その他. Solvatochromism of a merocyanine derivative in a self-assembled monolayer on gold substrates. Langmuir. 1998 12 22;14(26):7456-7462.
Fujita, Katsuhiko ; Hara, Masahiko ; Sasabe, Hiroyuki ; Knoll, Wolfgang ; Tsuboi, Kazuma ; Kajikawa, Kotaro ; Seki, Kazuhiko ; Ouchi, Yukio. / Solvatochromism of a merocyanine derivative in a self-assembled monolayer on gold substrates. :: Langmuir. 1998 ; 巻 14, 番号 26. pp. 7456-7462.
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T1 - Solvatochromism of a merocyanine derivative in a self-assembled monolayer on gold substrates

AU - Fujita, Katsuhiko

AU - Hara, Masahiko

AU - Sasabe, Hiroyuki

AU - Knoll, Wolfgang

AU - Tsuboi, Kazuma

AU - Kajikawa, Kotaro

AU - Seki, Kazuhiko

AU - Ouchi, Yukio

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N2 - The merocyanine, 1-alkyl-4-(4-hydroxystyryl)pyridinium halide, shows solvatochromism depending on environmental condition such as pH and polarity of the solvent. We synthesized the merocyanine derivative with a disulfide group tethering it on metal surfaces to form a self-assembled monolayer. The adsorption process of the merocyanine derivative was monitored by in situ surface plasmon spectroscopy (SPS). The SPS and X-ray photoelectron spectroscopy independently indicated that the monolayer was densely packed on a gold substrate. To investigate the solvatochromism following the exposures to organic solutions we applied reflection spectroscopy in the UV - vis region. For more detailed discussions on the reflection spectra, theoretical calculations were carried out on the basis of Fresnel formulas. The results indicated that the merocyanine group shows solvatochromism even in the densely packed layer.

AB - The merocyanine, 1-alkyl-4-(4-hydroxystyryl)pyridinium halide, shows solvatochromism depending on environmental condition such as pH and polarity of the solvent. We synthesized the merocyanine derivative with a disulfide group tethering it on metal surfaces to form a self-assembled monolayer. The adsorption process of the merocyanine derivative was monitored by in situ surface plasmon spectroscopy (SPS). The SPS and X-ray photoelectron spectroscopy independently indicated that the monolayer was densely packed on a gold substrate. To investigate the solvatochromism following the exposures to organic solutions we applied reflection spectroscopy in the UV - vis region. For more detailed discussions on the reflection spectra, theoretical calculations were carried out on the basis of Fresnel formulas. The results indicated that the merocyanine group shows solvatochromism even in the densely packed layer.

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