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

被引：33
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
收藏
页码：1594 / 1598
页数：5
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