| BLUE LIGHT-EMITTING COIL-ROD-COIL BLOCK OLIGOMERS WITH RIGID p-HEXAPHENYL AS CHROMOPHORE |
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| 引用本文： | Jiang-feng Fan Hai-feng He Xin-hua Wan Xiao-fang Chen Qi-feng Zhou. BLUE LIGHT-EMITTING COIL-ROD-COIL BLOCK OLIGOMERS WITH RIGID p-HEXAPHENYL AS CHROMOPHORE[J]. 高分子科学, 2006, 0(2): 115-124 |
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| 作者姓名： | Jiang-feng Fan Hai-feng He Xin-hua Wan Xiao-fang Chen Qi-feng Zhou |
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| 作者单位： | Key Laboratory of Polymer Chemistry and Physics of Education Ministry, College of Chemistry and Molecular Engineering Peking University, Beij＇ing 100871, China |
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| 摘 要： | The synthesis and characterization of coil-rod-coil triblock oligomers, poly（ethylene oxide）-b-p-hexaphenyl-b- poly（ethylene oxide）, are described. The number of repeating ethylene oxide units in each flexible block are 3 （EO3-PHP- EO3）, 8 （EOs-PHP-EO8）, 13 （EO13-PHP-EO13）, and 17 （EO17-PHP-EO17）, respectively. The structures of these oligomers are confirmed by ^1H-NMR, 13C-NMR, EA, and MALDI-TOF mass spectrometry. The introduction of soluble poly（ethylene oxide） coils to the rigid p-hexaphenyl segment significantly improves the solubility of the oligomers, so they can form smooth thin films by spin-coating from their solutions. The oligomers are quite thermally stable and have 1% weight loss temperatures at above 340℃ under nitrogen. They can emit strong blue light in both solution and film state, and have fluorescence quantum yields of about 40% in chloroform. They are expected to have potential applications in optoelectronic devices.
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| 关 键 词： | PEO PHP 木低聚物 木质素 MALDI-TOF 荧光性 结构表征 |
| 收稿时间： | 2005-03-09 |
| 修稿时间： | 2005-06-02 |
BLUE LIGHT-EMITTING COIL-ROD-COIL BLOCK OLIGOMERS WITH RIGID p-HEXAPHENYL AS CHROMOPHORE |
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| Jiang-feng Fan,Hai-feng He,Xin-hua Wan,Xiao-fang Chen,Qi-feng Zhou. BLUE LIGHT-EMITTING COIL-ROD-COIL BLOCK OLIGOMERS WITH RIGID p-HEXAPHENYL AS CHROMOPHORE[J]. Chinese Journal of Polymer Science, 2006, 0(2): 115-124 |
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| Authors: | Jiang-feng Fan Hai-feng He Xin-hua Wan Xiao-fang Chen Qi-feng Zhou |
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| Affiliation: | Key Laboratory of Polymer Chemistry and Physics of Education Ministry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China |
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| Abstract: | The synthesis and characterization of coil-rod-coil triblock oligomers, poly(ethylene oxide)-b-p-hexaphenyl-b-poly(ethylene oxide), are described. The number of repeating ethylene oxide units in each flexible block are 3 (EO3-PHP-EO3), 8 (EO8-PHP-EO8), 13 (EO13-PHP-EO13), and 17 (EO17-PHP-EO17), respectively. The structures of these oligomers are confirmed by 1H-NMR, 13C-NMR, EA, and MALDI-TOF mass spectrometry. The introduction of soluble poly(ethylene oxide) coils to the rigid p-hexaphenyl segment significantly improves the solubility of the oligomers, so they can form smooth thin films by spin-coating from their solutions. The oligomers are quite thermally stable and have 1% weight loss temperatures at above 340℃ under nitrogen. They can emit strong blue light in both solution and film state, and have fluorescence quantum yields of about 40% in chloroform. They are expected to have potential applications in optoelectronic devices. |
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| Keywords: | PEO PHP Block oligomers MALDI-TOF Fluorescence |
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