Intrinsically Stretchable Electrochromic Display by a Composite Film of Poly(3,4-ethylenedioxythiophene) and Polyurethane

被引：82

作者：

Kai, Hiroyuki ^{[1
]}

Suda, Wataru ^{[1
]}

Ogawa, Yudai ^{[1
]}

Nagamine, Kuniaki ^{[1
]}

Nishizawa, Matsuhiko ^{[1
]}

机构：

[1] Tohoku Univ, Dept Finemech, 6-6-1 Aramaki Aoba, Sendai, Miyagi 9808579, Japan

来源：

ACS APPLIED MATERIALS & INTERFACES | 2017年 / 9卷 / 23期

基金：

日本科学技术振兴机构;

关键词：

electrochromic display; intrinsic stretchability; conductive polymer; digital image analysis; wearable device; POLYMERS;

D O I：

10.1021/acsami.7b03124

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A stretchable, electrochromic film of a uniform composite of poly(3,4-ethylenedioxythiophene):p-toluene sulfonic acid (PEDOT:PTS) and polyurethane (PU) (PEDOT/PU) was fabricated, and its integration with a hydrogel as a free-standing, stretchable electrochromic (EC} display was demonstrated. The PEDOT/PU composite film was prepared by the spill coating of a solution containing an EDOT monomer and PU, followed by oxidative polymerization using iron(III) tosylate at elevated temperature. The fabricated film showed reversible electrochromism without an external conductive support. The color change of the film can be used to quantify the progress of the redox reactions by means of digital camera image analysis and a custom mobile: phone app.

引用

页码：19513 / 19518

页数：6

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