کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1396565 | 984183 | 2008 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Luminous, fully aliphatic polyamides: Multicolor photoluminescence, their pH and solvent dependency
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Luminous, fully aliphatic polyamides: Multicolor photoluminescence, their pH and solvent dependency Luminous, fully aliphatic polyamides: Multicolor photoluminescence, their pH and solvent dependency](/preview/png/1396565.png)
چکیده انگلیسی
Novel luminous aliphatic polyamides were obtained from a condensation reaction of ethylene diamines and malonyl dichloride in the presence of triethylamine. These polymers appeared in blackish red and reddish orange solids and unusually exhibited a visible light-emission. Their fluorescence properties were significantly dependent on the excitation wavelength, media polarity, and acidity. These polymers emitted fairly strong visible lights in a wide range from blue to near yellow when excited at wavelengths longer than 305Â nm. The emission bands significantly shifted to longer wavelengths during the increase in the polarity of the solvent used. Their fluorescence intensities significantly increased under acidic conditions.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: European Polymer Journal - Volume 44, Issue 4, April 2008, Pages 1149-1156
Journal: European Polymer Journal - Volume 44, Issue 4, April 2008, Pages 1149-1156
نویسندگان
Seonju Jeong, Giseop Kwak, Akiko Takagi, Michiya Fujiki, Dong-ho Lee, Lee-Soon Park, Keun-byoung Yoon,