以二价钯配合物作为催化剂,将2-异丙基氨基-4,6-二(2'-溴-3,4-乙撑二氧噻基)-1,3,5-三嗪分别与1,4-二乙炔基-2,5-二辛氧基苯、1,4-二乙炔基-2,5-二(十二烷氧基)苯、2,7-二(4,4,5,5-四甲基硼烷基)-9,9-二辛基芴交替共聚合成了3种π-共轭聚合物P1,P2和P3.经傅里叶变换红外光谱、氢核磁共振谱、紫外-可见光谱、荧光光谱、循环伏安法、X射线粉末衍射和凝胶渗透色谱等测试手段对其进行了表征,并对聚合物在CHCl3溶液的酸致变色行为进行了研究.结果表明,得到的聚合物在CHCl3中的紫外-可见最大吸收波长分别在443 nm和431 nm处出现.在CHCl3溶液中聚合物P1,P2和P3最大发射峰分别位于507 nm,511 nm和543 nm,其聚合物薄膜的最大发射波长分别为573 nm,557 nm和559nm.与P1和P2相比,P3的酸致变色敏感性高于2个数量级.聚合物P1和P2均在-2.0~0 V出现n-掺杂峰.聚合物X射线衍射谱图显示聚合物均有一定的结晶性.
参考文献
[1] | 谈立,李晓常,方斌,薛敏钊,章建康.聚丁基噻吩的电化学合成及性能研究[J].功能高分子学报,1994(01):61-65. |
[2] | Yamamoto T.;Fang Q.;Morikita T. .New soluble poly(aryleneethynylene)s consisting of electron-accepting benzothiadiazole units and electron-donating dialkoxybenzene units. Synthesis, molecular assembly, orientation on substrates, and electrochemical and optical properties[J].Macromolecules,2003(12):4262-4267. |
[3] | Joaquin Barbera;Laura Puig;Pilar Romero;Jose Luis Serrano .Supramolecular Helical Mesomorphic Polymers.Chiral Induction through H-Bonding[J].Journal of the American Chemical Society,2005(1):458-464. |
[4] | Yamamoto T;Watanabe S;Fukumoto H;Sato M;Tanaka T .New heteroaromatic polymers consisting of alkyl- and amino-1,3,5-triazine units. Their basic optical properties and n-type time-of-flight drift mobility[J].Macromolecular rapid communications: Publishing the newsletters of the European Polymer Federation,2006(5):317-321. |
[5] | S. Sherry Zhu;Timothy M. Swager .Conducting Polymetallorotaxanes: Metal Ion Mediated Enhancements in Conductivity and Charge Localization[J].Journal of the American Chemical Society,1997(51):12568-12577. |
[6] | Siu-Choon Ng;Hong-Fang Lu;Hardy S. O. Chan;Akihiko Fujii;Tong Laga;Katsumi Yoshino .Novel Efficient Blue Fluorescent Polymers Comprising Alternating Phenylene Pyridine Repeat Units: Their Syntheses, Characterization, and Optical Properties[J].Macromolecules,2001(20):6895-6903. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%