.png){kind=icon}
返回
A processable green polymeric electrochromic
.png){kind=icon}
PRE
AI
DOI：10.1021/ma0484173.png)
.png){kind=icon}
原文求助.png){kind=icon}
分享.png){kind=icon}
收藏
摘要
En 中文
We report electrochemical and optical proper-ties of the first electrochemically and chemically prepared green, soluble conducting polymer in its neutral form. Oxidative electrochemical and chemical polymerization of dioctyl-substituted 2,3-di(thien-3-yl)-5,7-di(thien-2-yl)thieno[3,4-b]pyrazine (3b) results in a soluble polymer (4b) with novel optical properties. The neutral polymer 4b absorbs both blue (above 600 nm) and red light (below 500 nm), reflecting a saturated green color. In the oxidized form. these absorptions are depleted, resulting in a transmissive pale brown polymer with very, Strong absorption in the near-infrared. Electrochemical and spectroelectrochemical semiconductor band gaps of 4b were found to be ca. 1.3 eV. Molecular weight analysis showed that soluble polymers have different conjugation length from oligomers to polymers. Since the monomer 3b has low oxidation potential (0.48 V vs Ag/Ag+), mild oxidizing agents (i.e., CuCl2) initiate chemical polymerization. The oxidant/monomer ratio should be at least 3:1 to get a desired green polymer. High green color saturation as well as the high solubility in common organic solvents makes this polymer a promising material to bring polymeric electrochromics closer to red, green, and blue (RGB) realization.
Keyword:
CONDUCTING COPOLYMERS
OLIGOMERS
WINDOWS
FILMS
GAP
RED
AI总结
对已上传原文的论文进行重点信息的提取，主要内容包括：简要概述、研究摘要、背景介绍、关键亮点、图文解析、展望与总结。
期刊
IF:
5.2
论文数:
3.7W
被引数:
9.4W
机构
暂无机构信息
引用论文
Methodological Approach for Converting Conventional Powertrain Platform into an Electrified One
PREAI
分享收藏
N-substituted poly(3,4-propylenedioxypyrrole)s:: High gap and low redox potential switching electroactive and electrochromic polymers.png)
MACROMOLECULES
MACROMOLECULESIF5.2
PREAI
分享收藏
查看更多内容