Synthesis, photophysical, and electrochemical properties of three novel Ru(II) polypyridyl complexes containing dibenzo-18-crown-6

被引：4
|
作者：
Cheng, Feixiang [1 ]
Sun, Yang [1 ]
Wu, Weina [1 ]
Tang, Ning [1 ]
机构：
[1] Lanzhou Univ, State Key Lab Appl Organ Chem, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2008年 / 11卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Ru(II) complex; dibenzo-18-crown-6; UV-Vis absorption; electrochemistry; emission;
D O I：
10.1016/j.inoche.2008.03.011
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Three polypyridyl bridging ligands cis-di(4,5-diazafluoren-9-ylimino)dibenzo-18-crown-6 (BL(1)), trans-di(4,5-diazafluoren-9-ylimino)dibenzo-18-crown-6 (BL(2)), and 1,4,7,10,13,16-hexaoxacycloctadecyl[2,3:11,12]bis-dipyrido[3,2-a:2'3'-c]phenazine (BL(3)), and corresponding dinuclear Ru(II) complexes [(bpy)(2)-RuBL(1-3) Ru(bpy)(2)](PF(6))(4) (1, 2, and 3) have been synthesized. Cyclic voltammetry of the complexes are consistent with one Ru(II)-centered oxidation and three ligand-centered reductions. Photophysical behaviors are investigated by UV-Vis absorption and fluorescence spectrometry. The three complexes show metal-to-ligand charge transfer absorption at 445-453 nm and emission at 571-593 nm. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：687 / 690
页数：4
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