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题名: Electronic coupling in cyclometalated ruthenium complexes
作者: Zhong, Yu-Wu1; Gong, Zhong-Liang1; Shao, Jiang-Yang1; Yao, Jiannian1
关键词: Mixed-valence compounds ; Cyclometalated ruthenium ; Electrochemistry ; Near-infrared electrochromism ; Electron transfer
刊名: COORDINATION CHEMISTRY REVIEWS
发表日期: 2016-04-01
卷: 312, 页:22-40
收录类别: SCI
英文摘要: This review summarizes the electronic coupling studies in mixed-valence or donor-acceptor-type complexes containing one or two cyclometalated ruthenium redox sites. Basic electron transfer theories and analysis methods for mixed-valence compounds are introduced, followed by the discussion on the electronic coupling studies of symmetric diruthenium complexes. The effects of the Ru-C bond and the position, of the Ru-C bond on the degree of electronic coupling are highlighted. The uses of different bridging ligands and terminal ligands can greatly modulate the degree of coupling. Complexes with a [NCN-NCN]-type bridging ligand show much stronger electronic coupling with respect to those with a [NNN-NNN]- or [NNC-NNC]-type bridging ligand. In addition, two types of asymmetric complexes are discussed, including redox-asymmetric diruthenium complexes and monoruthenium complexes containing an additional redox-active site. The two-state Hush theory is used to derive the electronic coupling parameters of these complexes. DFT and TDDFT calculations are used to rationalize the spin density distribution and charge transfer transitions of selected odd-electron complexes. Future aspects of the studies on redox-active cyclometalated ruthenium complexes are briefly discussed. (C) 2016 Elsevier B.V. All rights reserved.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35933
Appears in Collections:光化学实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Chem, CAS Key Lab Photochem, Beijing Natl Lab Mol Sci, 2 Bei Yi jie, Beijing 100190, Peoples R China
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