Preparation of poly (3,4-ethylenedioxythiophene) in a chiral nematic liquid-crystal field

被引:56
作者
Goto, H [1 ]
Akagi, K [1 ]
机构
[1] Univ Tsukuba, Inst Mat Sci, TIMS, Tsukuba, Ibaraki 3058573, Japan
关键词
chiral; conjugated polymers; liquid crystals; poly(3,4-ethylenedioxythiophene); SEM;
D O I
10.1002/marc.200400184
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The 3,4-ethylenedioxythiophene (EDOT) monomer in a chiral nematic liquid-crystal electrolyte was polymerized by application of a voltage to yield a thin film. Circular dichroism measurements indicated a Cotton effect for the film. Optical texture suggests that the polymer shows a finger-print texture and a spiral texture similar to that of the chiral nematic phase. This simple method provides a new technique for preparing chiral conducting films in a thermotropic chiral liquid-crystal field.
引用
收藏
页码:1482 / 1486
页数:5
相关论文
共 24 条
[1]   Helical polyacetylene synthesized with a chiral nematic reaction field [J].
Akagi, K ;
Piao, G ;
Kaneko, S ;
Sakamaki, K ;
Shirakawa, H ;
Kyotani, M .
SCIENCE, 1998, 282 (5394) :1683-1686
[2]   CHIRAL HELICAL CONFORMATION OF THE POLYPHENYLACETYLENE HAVING OPTICALLY-ACTIVE BULKY SUBSTITUENT [J].
AOKI, T ;
KOKAI, M ;
SHINOHARA, K ;
OIKAWA, E .
CHEMISTRY LETTERS, 1993, (12) :2009-2012
[3]  
Emiel P., 1997, ADV MATER, V9, P493
[4]  
GISEOP K, 2001, J POLYM SCI A, V39, P71
[5]   Novel helical conjugated polymers: synthesis and optical properties of polyarylenemethine derivatives bearing chiroptical substituents [J].
Goto, H ;
Akagi, K .
SYNTHETIC METALS, 2001, 119 (1-3) :165-166
[6]  
Goto H., 2002, Japanese Patent, Patent No. 362979
[7]   In situ FTIR spectroelectrochemical characterization of poly(3,4-ethylenedioxythiophene) films [J].
Kvarnström, C ;
Neugebauer, H ;
Blomquist, S ;
Ahonen, HJ ;
Kankare, J ;
Ivaska, A ;
Sariciftci, NS .
SYNTHETIC METALS, 1999, 101 (1-3) :66-66
[8]   On the origin of optical activity in polythiophenes [J].
Langeveld-Voss, BMW ;
Janssen, RAJ ;
Meijer, EW .
JOURNAL OF MOLECULAR STRUCTURE, 2000, 521 :285-301
[9]   Circular dichroism and circular polarization of photoluminescence of highly ordered poly{3,4-di[(S)-2-methylbutoxy]thiophene} [J].
LangeveldVoss, BMW ;
Janssen, RAJ ;
Christiaans, MPT ;
Meskers, SCJ ;
Dekkers, HPJM ;
Meijer, EW .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1996, 118 (20) :4908-4909
[10]   SOLUBLE, CHIRAL POLYACETYLENES - SYNTHESES AND INVESTIGATION OF THEIR SOLUTION CONFORMATION [J].
MOORE, JS ;
GORMAN, CB ;
GRUBBS, RH .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1991, 113 (05) :1704-1712