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p-(p'-Hydroxy phenylazo)-benzoic의 합성과 LB막 특성에 관한 연구
박태곤,송경호,박근호 國立 昌原大學校 産業技術硏究所 1993 産技硏論文集 Vol.7 No.-
The Synthesis of p-(p'- Hdroxyl phenly azo)- benzoic acid was studied to get optimized conditions. The spectrum of the product of reaction containing azobenzene chromophores was investigated by using ultraviolet spectrophotometery in acetone solvent at room temperature. In addition, UV absorption spectra of langmmuir Blodggett film deposited on quartz plate was measured, and the structure of these compounds were ascertained by measuring the ultraviolet and infrared spectra. Recrystallization of reaction product in the solvent( water:methanlo:acetone) atmosphere results 68% p-(p'- Hdroxyl phenly azo)-benzoic acid yield and the melting point of that was about 254-267°C (decomposition). The LB film of azobenzene derivatives with long alkyl chains shows some possibility to be applied to functional molecular devices such as photomemory and lignt switching