Citation: Kun Zhao, Jin-tao Wang, Cheng-zi Wang, Kai Li, Shi-jun Zheng, Kun Wang, Takaomi Kobayashi. LINEARLY POLARIZED WHITE FLUORESCENCE FROM SHISH-KEBAB TYPE LIQUID CRYSTALLINE POLY(P-PHENYLENEVINVLENE)S WITH (P-PHENYLENE)S AS KEBAB[J]. Chinese Journal of Polymer Science, ;2012, 30(2): 209-216. doi: 10.1007/s10118-012-1110-x shu

LINEARLY POLARIZED WHITE FLUORESCENCE FROM SHISH-KEBAB TYPE LIQUID CRYSTALLINE POLY(P-PHENYLENEVINVLENE)S WITH (P-PHENYLENE)S AS KEBAB

Received Date: 21 March 2011
Revised Date: 12 May 2011

Fund Project: This work was financially supported by the National Natural Science Foundation of China (No. 20574064).

Liquid crystalline (LC) polymers with a shish-kebab-type moiety on their cross-conjugated (p-phenylene)s-poly(p-phenylenevinylene)s main chains were synthesized through Gilch polymerization in order to develop a kind of polymers available for linearly polarized white-light-emitting from single chain. In this system, the 2,5-bis(4-alkoxyphenyl)benzene as the kebabs connects with poly(p-phenylenevinylene) (PPV) main chain backbone using its molecular gravity center and the PPV as the shish or skewer (the shish-kebab). The polymers possess desirable properties such as excellent solubility and liquid crystalline properties. To drop the kebabs of the 2,5-bis(4-alkoxyphenyl)benzene into the orientation microgroove of aligned polyimide film, not only the shish of polymer main chain can be aligned by the virtue of orientation of kebabs but also the uniform cross-conjugated structure between the kebabs and shish can be broken. Then, the alignment of the polymer main chain showed yellow light emission and was also accompanied by orientation of the LC side chains showing blue light emission, this gave rise to a notable linearly polarized white fluorescence.
- Liquid crystalline conjugated polymer
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