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题名: A homoleptic, all-alkynyl-stabilized highly luminescent Au8Ag8 cluster with a single crystal X-ray structure
作者: Zhang, Rui1; Zhao, Chongyang2; Li, Xiumin1; Zhang, Zongyao1; Ai, Xicheng1; Chen, Hui2; Cao, Rui1, 3
刊名: DALTON TRANSACTIONS
发表日期: 2016-08-28
卷: 45, 期:32, 页:12772-12778
收录类别: SCI
英文摘要: A homoleptic, all-alkynyl-stabilized [Au8Ag8(ArC C)(16)] (1, Ar = 3,5-di-tert-butylphenyl) cluster was synthesized and characterized with a single crystal X-ray structure. Reactions of 3,5-di-tert-butyl-phenylacetylene with Ag(I) and Au(I) gave [Ag(ArC C)](n) and Au(PPh3)(ArC C), respectively, where both have unusually high solubility in nonpolar organic solvents. In addition to drastically increased solubility, the two bulky tert-butyl substituents on the phenyl ring can confine the metal core to a certain size by preventing infinite aggregation of d(10) metals. This feature makes the isolation of an all-alkynyl-stabilized Au-Ag cluster possible. Complex 1 is intensely luminescent with a very high quantum yield of 0.67 in solution at room temperature. Theoretical studies offered valuable insights into the intriguing photophysical properties, and revealed the significant role of metal-alkynyl bond interactions and enhanced molecular rigidity provided by tert-butyl groups.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35234
Appears in Collections:光化学实验室_期刊论文

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作者单位: 1.Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China
2.Chinese Acad Sci, BNLMS, Inst Chem, Key Lab Photochem, Beijing 100190, Peoples R China
3.Shaanxi Normal Univ, Sch Chem & Chem Engn, Xian 710119, Peoples R China
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