PROPERTIES OF EXCITED-STATES AND ONE-ELECTRON REDUCED FORMS OF RUTHENIUM(II)-DIIMINE PHOTOSENSITIZERS

被引:28
|
作者
SUN, H [1 ]
HOFFMAN, MZ [1 ]
MULAZZANI, QG [1 ]
机构
[1] CNR,IST FOTOCHIM & RADIAZ ALTA ENERGIA,I-40126 BOLOGNA,ITALY
基金
美国国家卫生研究院;
关键词
D O I
10.1163/156856794X00522
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In this paper we compare the spectral, acid-base, electrochemical, and kinetic properties of the excited states and one-electron reduced forms of homo- and heteroleptic Ru(II)-diimine photosensitizers that contain 2,2'-bipyridine, 2,2'-bipyrazine, and 2,2'-bipyrimidine ligands. These species, represented as *(RuIIIL.-)2+ and (RuIIL.-)+, respectively, are orbital analogues in that the intra- or intermolecularly transferred electron resides on the same uniquely reduced ligand. The variations in the properties of these species, resulting from changes in the coordinating ligands, permit the fine-tuning of photochemical systems.
引用
收藏
页码:735 / 754
页数:20
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