Stable Radical Species in Langmuir-Blodgett Films of Merocyanine Dyes Studied by Electron Spin Resonance
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概要
- 論文の詳細を見る
ESR measurements were performed on Langmuir-Blodgctt (LB) films of mero-cyanine dyes, diluted with arachidic acid. Stable signal due tcc two radical species wasdetected and the spectra showed clear anisotropy both for the in-plane and out-ofplane of the film. Measurements at X- and Q-bands revealed that the in-plane struclure of the spectra arises from the hyperfine splitting of a nitrogen nucleus of the dyemolecule. Based on this fact, the anisotropic line shape was ;tnalyzed by a computersimulation and the angle between the preferred direction ol' pn orbital axis of thenitrogen atom and the dipping direction of the filrn was detern?ined to be 60' to 65' inthe film plane. A possible correlation between the obtained angle and the structure ofthe dye aggregates is discussed in relation to the inLermolecular charge transfer modelfor the origin of the radicals.
- 社団法人日本物理学会の論文
- 1987-09-15
著者
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Saito Minoru
Division Of Cellular & Molecular Toxicology National Institute Of Health Sciences
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KURODA Shin-ichi
Electrotechnical Laboratory
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SAITO Kazuhiro
Tochigi Research Laboratories of Kao Corporation
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SATO Michio
Div. of Medical Devices National Institute of Hygienic Sciences
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SAITO Kazuhiro
Electrotechnical Laboratory
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Sugi Michio
Electrolechnical Laboratory
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IKEGAMI Keiichi
Electrotechnical Laboratory
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SAITO Mitsuyoshi
Electrotechnical Laboratory
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Ikegami K
Department Of Chemical Engineering And Materials Science Faculty Of Engineering Doshisha University
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