Conductive polymer functionalization by click chemistry

被引：103

作者：

Daugaard, Anders Egede ^{[1
]}

Hvilsted, Soren ^{[1
]}

Hansen, Thomas Steen ^{[2
]}

Larsen, Niels B. ^{[2
]}

机构：

[1] Tech Univ Denmark, Danish Polymer Ctr, Dept Chem & Biochem Engn, DK-2800 Lyngby, Denmark

[2] Polymer Dept, DK-4000 Roskilde, Denmark

来源：

MACROMOLECULES | 2008年 / 41卷 / 12期

关键词：

D O I：

10.1021/ma702731k

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Click chemistry is used to obtain new conductive polymer films based on poly(3,4-ethylenedioxythiophene) (PEDOT) from a new azide functional monomer. Postpolymerization, 1,3-dipolar cycloadditions in DMF, using a catalyst system Of CuSO4 and sodium ascorbate, and different alkynes are performed to functionalize films of PEDOT-N-3 and copolymers prepared from EDOT-N-3 and 3,4-ethylenedioxythiophene (EDOT). This approach enables new functionalities on PEDOT that could otherwise not withstand the polymerization conditions. Reactions on the thin polymer films have been optimized using an alkynated fluorophore, with reaction times of similar to 20 h. The applicability of the method is illustrated by coupling of two other alkynes: a short chain fluorocarbon and a MPEG 5000 to the conductive polymer; this alters the advancing water contact angle of the surface by +20 degrees and -20 degrees/-25 degrees, respectively. The targeted chemical surface modifications have been verified by X-ray photoelectron spectroscopy analysis.

引用

页码：4321 / 4327

页数：7

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