Conjugated polymers containing mixed-ligand ruthenium(II) complexes. Synthesis, characterization, and investigation of photoconductive properties

被引:72
作者
Wang, Q
Yu, LP
机构
[1] Univ Chicago, Dept Chem, Chicago, IL 60637 USA
[2] Univ Chicago, James Franck Inst, Chicago, IL 60637 USA
关键词
D O I
10.1021/ja003140h
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A series of novel conjugated polymers containing mixed-ligand ruthenium complexes has been synthesized and characterized. These polymers exhibit interesting photoconductive properties. It was found that the redox and optical properties of the resulting materials were strongly affected by the structures of coordinated ligands of the ruthenium complex. The presence of sigma -donating diketonate and phenolate groups in ligands substantially lowered the Ru(III/II) potentials relative to analogous polypyridyl complexes. A range of transition energies of metal-to-ligand charge transfer was observed. The photoconductivity of the polymer at long wavelengths is strongly enhanced by the metal complexes due to the metal-to-ligand charge-transfer transition.
引用
收藏
页码:11806 / 11811
页数:6
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