Electrochromic Fe(II)-based Metallo-supramolecular Polymers: Color Modulation by Spacer Modification in Bisterpyridine Ligand

被引：4
|
作者：
Ninomiya, Yoshikazu [1 ]
Yoshida, Takefumi [1 ]
Higuchi, Masayoshi [1 ]
机构：
[1] Natl Inst Mat Sci NIMS, 1-1 Namiki, Tsukuba, Ibaraki 3050044, Japan
来源：
CHEMISTRY LETTERS | 2020年 / 49卷 / 09期
基金：
日本科学技术振兴机构;
关键词：
Metallo-supramolecular polymer; Bisterpyridine; Electrochromism;
D O I：
10.1246/cl.200307
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We synthesized Fe(II)-based metallo-supramolecular polymers with bisterpyridines bearing ethynylene, phenylene, and durene as spacer (polyFeL1-3) and investigated the effect of the spacer modification on the electrochromic properties. We revealed the redox potential and MLCT absorption of polymers were greatly influenced by the spacer alteration. PolyFeL1-3 exhibited different colors; blue, bluish purple, and purple, respectively. Blue- and purple-colored electrochromic devices were successfully fabricated using polyFeL1 and polyFeL3. The electrochromic color changes were observed upon applying +3V for bleaching or -3V for coloring.
引用
收藏
页码：1003 / 1005
页数：3
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