Fully undoped and soluble oligo(3,4-ethylenedioxythiophene)s: spectroscopic study and electrochemical characterization

被引：148

作者：

Tran-Van, F

Garreau, S

Louarn, G

Froyer, G

Chevrot, C

机构：

[1] Univ Cergy Pontoise, Lab Polymeres & Mat Electractifs, Equipe Reactiv Interfaces, EA 2528, F-95013 Cergy Pontoise, France

[2] Inst Mat Jean Rouxel, Lab Phys Cristalline, F-44322 Nantes 3, France

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2001年 / 11卷 / 05期

关键词：

Oligo(3; 4-ethylenedioxythiophene); Oligomers; Poly(3; PEDOT;

D O I：

10.1039/b100033k

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Fully undoped oligo(3,4-ethylenedioxythiophene)s have been synthesized from polycondensation of the corresponding dibromomonomer in the presence of a catalytic Ni(0)-based complex in N,N-dimethylacetamide (DMA). HPLC analysis indicated that the material is constituted of three main oligomers which have also been clearly detected by UV-Visible spectroscopy. Due to its partial solubility in DMA, processability is improved compared to the corresponding insoluble polymer and thin films of oligomers can be deposited by evaporation. Electrochemical and electrochromic properties of undoped film have been carried out. Deep purple in its undoped state, the material becomes sky blue in the oxidized form. The mixture of oligomers was characterized by means of Raman scattering, IR absorption and X-Ray dffraction (XRD), and compared to the poly(3,4-ethylenedioxythiophene) obtained by the oxidative route.

引用

页码：1378 / 1382

页数：5

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