Electrochemically switchable photoluminescence of an anionic dye in a cationic metallo-supramolecular polymer

被引：31

作者：

Suzuki, Takahiro ^{[1
]}

Sato, Takashi ^{[2
]}

Zhang, Jian ^{[2
]}

Kanao, Miki ^{[2
]}

Higuchi, Masayoshi ^{[2
]}

Maki, Hideyuki ^{[1
]}

机构：

[1] Keio Univ, Dept Appl Phys & Phys Informat, Yokohama, Kanagawa 2238522, Japan

[2] Natl Inst Mat Sci, Elect Funct Mat Grp, Tsukuba, Ibaraki 3050044, Japan

来源：

JOURNAL OF MATERIALS CHEMISTRY C | 2016年 / 4卷 / 08期

关键词：

FUNCTIONALIZED BIS-TERPYRIDINES; ELECTROCHROMIC PROPERTIES; COORDINATION POLYMERS; LUMINESCENCE; EMISSION; DEVICE; REDOX; COMPLEXES; IONS;

D O I：

10.1039/c5tc03071d

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A fluorescent dye anion (sulforhodamine B, SRB) was successfully introduced into a Fe(II)-based metallo-supramolecular polymer (polyFe) by exchanging the counter anion. The exchange was confirmed by elemental analysis, UV-vis absorption spectroscopy, H-1-NMR spectroscopy, and FTIR spectroscopy. A solid-state device using the obtained polymer (polyFe-SRB) shows electrochromic properties based on the electrochemical redox of Fe(II) ions by applying +/- 2.8 V. The device shows electrochemical switching of photoluminescence at 584 nm by applying +/- 2.8 V. This switching was caused by the appearance and disappearance of the metal-to-ligand charge transfer (MLCT) absorption of polyFe-SRB. It is considered that the MLCT absorbs the excitation light at 560 nm or the emission from SRB.

引用

页码：1594 / 1598

页数：5

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