Second-Harmonic Generation in Langmuir-Blodgett Monolayer of a Two-Dimensional Charge-Transfer Molecule : N, N'-Dioctadecyl-4, 6-Dinitro-1, 3-Diaminobenzene
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概要
- 論文の詳細を見る
A new amphiphilic dye, N, N'-dioctadecyl-4, 6-dinitro-1, 3-diaminobenzene (DIODD), which is capable of forming Langmuir-Blodgett (LB) films, has been synthesized and represents a model for a two-dimensional charge transfer (2-DCT) molecule. The stable Langmuir-Blodgett monolayers of a 1 : 1 mixture of dye and arachidic acid were deposited onto a glass substrate. The Langmuir-Blodgett monolayers exhibited a well-defined fringing pattern resulting from second-harmonic generation. These experimental results have been analyzed in connection with theoretical calculations for the model compounds. Our theoretical calculations demonstrate the superiority of two-dimensional charge transfer molecules over one-dimensional charge transfer molecules in the case in which the LB molecules incline from the normal to the substrate. The molecular orientation of the DIODD molecule is close to the optimum orientation applicable for maximizing χ^<(2)>_<111>. Second-order nonlinear optical susceptibilities χ^<(2)>_<111> and χ^<(2)>_<133> determined by analyzing the data were 2.2×10^<-8> and 7.7×10^<-9> esu, respectively at a tilt angle of 60°. This work presents the first example of a two-dimensional charge transfer molecule displaying second-harmonic generation from a Langmuir-Blodgett monolayer.
- 社団法人応用物理学会の論文
- 1991-05-15
著者
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Nalwa Hari
Department Of Material Systems Engineering Tokyo University Of Agriculture And Technology:(present A
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Watanabe Toshiyuki
Department Of Agricultural Chemistry Faculty Of Agriculture Tohoku University
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Miyata Seizo
Department Of Material Systems Engineering Faculty Of Technology Tokyo University Of Agriculture And
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Miyata Seizo
Department Of Material Systems Engineering Tokyo University Of Agriculture And Technology
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NAKAMURA KAZUSHI
Department of Hygiene and Preventive Medicine, Niigata University School of Medicine
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NAKAJIMA Kenji
Advanced Materials Research Laboratory, Mitsubishi Petrochemical Co. Ltd.
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YAMADA Akira
The Institute of Physical and Chemical Research
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Nakajima Kenji
Advanced Materials Research Laboratory Mitsubishi Petrochemical Co. Ltd.
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Watanabe Toshiyuki
Department Of Material Systems Engineering Tokyo University Of Agriculture And Technology
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Nakamura Kazushi
Department Of Hygiene And Preventive Medicine Niigata University School Of Medicine
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Nakamura Kazushi
Department Of Material Systems Engineering Tokyo University Of Agriculture And Technology
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