Attenuated total reflection and emission properties of self-assembled layer-by-layer films containing azobenzene dye

Keizo Koto, Junichi Kawashima, Kazunari Shinbo, Futao Kaneko, Akira Baba, Rigoberto C. Advincula

Research output: Contribution to journalArticle

Abstract

Self-assembled layer-by-layer films were fabricated on Ag-evaporated glass substrates using Direct Red 80 (DR80) azobenzene dye and poly (diallyldimethylammonium chloride) (PDADMAC). The properties of attenuated total reflection (ATR) and emission due to surface plasmon excitation were investigated. The ATR was measured for the Kretschmann configuration of a prism/Ag/layer-by-layer film structure and the emission through the prism was measured when the sample was excited by reverse irradiation in the Kretschmann configuration. The peak angles of the emission spectra almost agreed with the resonant angles of the ATR curves. The shapes of the emission spectra also corresponded to the ATR curves. The structural change of the self-assembled films due to photoisomerization of DR80 molecules was also investigated. From the ATR measurements, the structure of the self-assembled films was found to change due to the photoisomerization by the irradiation of polarized visible light. The surface roughness of the self-assembled films due to the photoisomerization was examined from the scattered light measurements.

Original languageEnglish
JournalMolecular Crystals and Liquid Crystals
Volume407
DOIs
Publication statusPublished - 2003
Externally publishedYes

Fingerprint

Azobenzene
Coloring Agents
Dyes
Photoisomerization
dyes
Prisms
prisms
emission spectra
Light measurement
Irradiation
irradiation
curves
configurations
surface roughness
Surface roughness
chlorides
azobenzene
Glass
Molecules
glass

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Attenuated total reflection and emission properties of self-assembled layer-by-layer films containing azobenzene dye. / Koto, Keizo; Kawashima, Junichi; Shinbo, Kazunari; Kaneko, Futao; Baba, Akira; Advincula, Rigoberto C.

In: Molecular Crystals and Liquid Crystals, Vol. 407, 2003.

Research output: Contribution to journalArticle

Koto, Keizo ; Kawashima, Junichi ; Shinbo, Kazunari ; Kaneko, Futao ; Baba, Akira ; Advincula, Rigoberto C. / Attenuated total reflection and emission properties of self-assembled layer-by-layer films containing azobenzene dye. In: Molecular Crystals and Liquid Crystals. 2003 ; Vol. 407.
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