Acta Chimica Sinica ›› 2004, Vol. 62 ›› Issue (7): 713-719. Previous Articles     Next Articles

一种带有酯基并键合电子给体的新型Ru(bpy)3的设计、合成及光谱和电化学性能

施锋, 李宏洋, 彭孝军, 孙立成, 孙世国, 陈小强, 张蓉   

  1. 大连理工大学精细化工国家重点实验室, 大连, 116012
  • 投稿日期:2003-07-15 修回日期:2003-10-14 发布日期:2014-02-18
  • 通讯作者: 彭孝军,E-mail:pengxj@chem.dlut.edu.cn E-mail:pengxj@chem.dlut.edu.cn
  • 基金资助:
    国家自然科学基金(Nso.20376010,20128005)资助项目.

Synthesis and Spectral Properties of a New Ruthenium(Ⅱ) Tris-bipyridine with Four Ester Groups and Substituted Phenol

SHI Feng, LI Hong-Yang, PENG, Xiao-Jun, SUN Li-Cheng, SUN Shi-Guo, CHEN Xiao-Qiang, ZHANG Rong   

  1. State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012
  • Received:2003-07-15 Revised:2003-10-14 Published:2014-02-18

A new ruthenium(Ⅱ) complex (1) with four ester groups have been designed and synthesized, in which a phenol substituted by {[(2-hydroxy-3-(morpholin-4-ylmethyl)-5-tert-butylbenzyl)(pyridyl-2-methyl)amino]methyl} groups was covalently linked to ruthenium(Ⅱ) tris-bipyridine. The structure of complex 1 was characterized by electrospray ionization mass spectrometer (ESI-MS) and 1D-NMR, 2D-NMR (gCOSY, HSQC and HMBC) spectra. The electrochemical and spectral properties were also studied. Introduction of the four carboxyl acid groups and the donor ligand tuned the spectra and the redox properties of compound 1. The MLCT transition was turned from 451 to 474 nm and the complex had long lifetime of the 3MLCT state emission. Moreover, the oxidation potential of Ru3+/Ru2+ of compound 1 was ~360 mV higher than that of [Ru(bpy)3]2+ which would enhance the driving-force of electron transfer. These results showed that the compound 1 had proper redox potentials and was suitable for being used as photosensitizer of solar cell.

Key words: photosensitizer, solar cell, phenolate ligand, fluorescent spectra, flash photolysis, redox potential