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Proceedings Paper

Quantitative evaluation of molecular orientation in thin Langmuir-Blodgett films by FTIR spectroscopy and its application to the study of structure-function relationship
Author(s): Tohru Takenaka; Junzo Umemura; T. Kawai; Toshihide Kamata; Naokazu Koizumi
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Paper Abstract

A method for quantitative evaluation of the molecular orientation in thin Langmuir-Blodgett (LB) films by FT-IR transmission and reflection-absorption (RA) spectroscopy is presented and applied to the study of the 11-monolayer LB film of barium salt of an azobenzene- containing long-chain fatty acid. This was also applied to the study of temperature dependence of the molecular orientation in alternate LB films consisting of a phenylpyrazine-containing long-chain fatty acid and deuterated stearic acid as well as in those consisting of their barium salts. At the same time, pyroelectricities of these films were measured in the temperature range from -30 to 60 degree(s)C, and the results were discussed in connection with changes in the molecular structure and orientation.

Paper Details

Date Published: 1 March 1992
PDF: 8 pages
Proc. SPIE 1575, 8th Intl Conf on Fourier Transform Spectroscopy, (1 March 1992); doi: 10.1117/12.56288
Show Author Affiliations
Tohru Takenaka, Kyoto Univ. (Japan)
Junzo Umemura, Kyoto Univ. (Japan)
T. Kawai, Kyoto Univ. (Japan)
Toshihide Kamata, Kyoto Univ. (Japan)
Naokazu Koizumi, Kyoto Univ. (Japan)


Published in SPIE Proceedings Vol. 1575:
8th Intl Conf on Fourier Transform Spectroscopy

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