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이차 비선형 광학 성질을 갖는 새로운 스티릴 퀴놀리니움-알콕시 벤젠 설포네이트 결정연구
- Alternative Title
- New Styryl Quinolinium Crystals with Methoxybenzenesulfonate for Second-Order Nonlinear Optics
- Author(s)
- 최재영
- Advisor
- 권오필
- Department
- 일반대학원 분자과학기술학과
- Publisher
- The Graduate School, Ajou University
- Publication Year
- 2017-02
- Language
- eng
- Alternative Abstract
- We designed new styryl quinolinium crystals with methoxybenzenesulfonate, named OHQ-MBS (2-(4-hydroxystyryl)-1-methylquinolinium methoxybenzene sulfonate). OHQ-MBS aligned in non-centrosymmetric structure which is almost as same as OHQ-T (2-(4-hydroxystyryl)-1-methylquinolinium 4-methylbenzenesulfonate). Molecular properties were investigated by TGA, DSC, UV-vis absorption spectroscopy. The OHQ-MBS crystals have almost same properties compared to OHQ-T, even though the anion is methoxybenzenesulfonate group which is larger than methylbenzenesulfonate and can rotate. The OHQ-MBS crystals were grown in single solvent (methanol) and co-solvent (methanol:acetonitrile (1:1 mol.)) with temperature cooling method and solvent evaporation method. In the grown crystals, we could have known that OHQ-MBS crystals show different morphology and optical property in THz-frequency region in comparison with OHQ-T crystals.
- Fulltext
- Appears in Collections:
- Graduate School of Ajou University > Department of Molecular Science and Technology > 3. Theses(Master)
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