1994 Fiscal Year Final Research Report Summary
Synthesis and 3rd order NLOP roperties of Polycyclic-Dithiines and TTF Derivatives
| Project/Area Number |
05805073
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| Research Category |
Grant-in-Aid for General Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Research Field |
有機工業化学
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| Research Institution | Kyoto Women's University (1994)
Osaka Prefecture University (1993) |
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Principal Investigator |
MATSUOKA Masaru Kyoto Women's University, Professor, 家政学部, 教授 (30081326)
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| Project Period (FY) |
1993 – 1994
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| Keywords | organic nonlinear optics / 3rd order NLO material / quinoid dye / dithiine deriva tive / molecular design / molecular orbital method |
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| Research Abstract |
Molecular design and syntheses of new polycyclic dithiines and quinoid dyes for 3rd order nonlinear optical materials were studied. These dyes have large pi-conjugated systems and intramolecular charge-transfer chromophoric systems. A wide and planar structure of dye molecule with strong intra-and intermolecular hydrogen bonding are very important to produce strong intermolecular pi-pi interactions of dye molecules in crystals or thin film for NLO devices. This system has large photoinduced polarization which is favorable for 3rd order NLO materials.
On the other hand, intermolecular CT complexes composed of polycyclic dithiines with TCNQ were also synthesized and their NLO responses were evaluated.
Some quinoid dyes produce three dimensional molecular stacking in crystals by interlayr pi-pi interactions which play a great role to produce a large CHI^<(3)> value. We found two types of new quinoid dyes, 4,8-dihydroxy-2,6-bis (butylamino) -1,5-naphthoquinone and 1,4-dithioketo-3,6-diphenylpyrrolo [3,4-c] pyrrole, which were one of the candidates for 3rd order NLO materials.
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[Publications] M.Matsuoka, A,Iwamoto, T,Ouchi, H.Yoshioka, and K.Nakatsu: "The Structure of the CT Complex between 5,7,12,14-Tetramethoxydibenzo [b, i] thianthrene with TCNQ" J.Heterocyclic Chem. 30. 173-176 (1993)
Description
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