Synthesis, characterization and some properties of amide-linked porphyrin-ruthenium(II) tris(bipyridine) complexes

被引：30

作者：

Liu, X

Liu, JH

Jin, K

Yang, XC

Peng, QJ

Sun, LC

机构：

[1] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China

[2] Royal Inst Technol, Dept Chem, S-10044 Stockholm, Sweden

来源：

TETRAHEDRON | 2005年 / 61卷 / 23期

基金：

中国国家自然科学基金;

关键词：

porphyrin; ruthenium; electrochemistry; photophysics;

D O I：

10.1016/j.tet.2005.03.060

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new molecular dyad, comprised of a zinc-porphyrin and a ruthenium(II) tris(bipyridine) complex linked through an amide bond has been synthesized and characterized by H-1, C-13 NMR, UV-vis, mass-spectrometry and elemental analysis. The electrochemistry as well as the steady-state emission properties were investigated. The redox behavior of the dyad exhibits a favorable reversible characteristic. Substantial quenching of porphyrin emission was found when the Q hand of 5 and 5-Zn was selectively photoexcited. This observation suggests a quenching mechanism with possible intramolecular electron transfer or energy transfer between the Ru(bpy)(3) moiety and the porphyrin free-base or Zn porphyrin moieties. (c) 2005 Elsevier Ltd. All rights reserved.

引用

收藏

页码：5655 / 5662

页数：8

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