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제114회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Molecular interactions between newly synthesized azo-benzene polymers and four Ionic liquids and their photo-active properties

2014년 8월 28일 15시 47분 35초
POLY.P-63 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
10월 15일 (수요일) 16:00~19:00
저자 및
박정호, 김인태*, 김준헌, 조태종
광운대학교 화학과, Korea
In this work, we have studied the synthesis of a new holographic polymer and their diffraction efficiency. We have obtained photo-induced Surface Relief Grating (SRG) formation and a holographic image on the polymer films. The diffraction efficiency is observed to less than 1%. In order to increase their diffraction efficiency, we have mixed with Ionic liquids. We have explored the interaction properties and diffraction efficiency of four ionic liquids (ILs) such as DEAP, TBH, MIM-Cl and TMEOS with our newly synthesyzed polymers. The resulting mixture showed a little increase of the diffraction efficiency with reduced recording time as compared with only polymers. These results were successfully characterized by general organic spectroscopic methods (1H and 13C NMR, FT-IR, UV-vis, DSC and GPC), and the SRG formation were measured by Atomic Force Microscopy (AFM) image. These behaviors are a consequence of the difference in the surface morphology of the four sets of Ionic liquid. As a result, we conclued the difference of the diffraction efficiencies and molecular interactions between azo-benzene polymers and four kinds of the Ionic liquids is due to their difference in structure properties.