| Photoresponding ionic complex containing azobenzene chromophore for use in birefringent flm简 |
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| 基金项目： | The authors gratefully acknowledge financial support from the National Science Fund for Distinguished Young Scholars (No. 50925310), the National Science Foundation of China (Nos. 50902094 and 51173103), the 973 Project (Nos. 2009CB93043 and 2012CB933803), and the Excellent Academic Leaders of Shanghai (No. 11XD1403000). |
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| 摘 要： | A novel photoresponding ionic complex （PANDAZO） was prepared by the ionic self-assembly （1SA） of sodium polyacrylate （PANa） and azobenzene chromophores （NDAZO）. The ionic complex forms an interdigitated lamellar structure with full overlap of the side chains. The optical anisotropy was investigated by using a polarization pulse laser （355 nm）. Furthermore, a high photoinduced birefringence （An = 0.365） was measured by using a continuous 488 nm laser as the pump light.
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| 关 键 词： | 偶氮苯生色团 离子络合物 光致双折射 脉冲激光 聚丙烯酸钠 离子自组装 层状结构 复合物 |
| 收稿时间： | 2013-06-09 |
| 修稿时间： | 2013-10-16 |
Photoresponding ionic complex containing azobenzene chromophore for use in birefringent film |
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| Authors: | Jun Wu Xue-Min Lu Feng Shan Jun-Fang Guan Qing-Hua Lu |
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| Institution: | a School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
b The State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China |
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| Abstract: | A novel photoresponding ionic complex (PANDAZO) was prepared by the ionic self-assembly (ISA) of sodium polyacrylate (PANa) and azobenzene chromophores (NDAZO). The ionic complex forms an interdigitated lamellar structure with full overlap of the side chains. The optical anisotropy was investigated by using a polarization pulse laser (355 nm). Furthermore, a high photoinduced birefringence (Δn = 0.365) was measured by using a continuous 488 nm laser as the pump light. |
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| Keywords: | Azobenzene Birefringence Ionic self-assembly Optical anisotropy |
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