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题名: Gold(III) Mediated Activation and Transformation of Methane on Au-1-Doped Vanadium Oxide Cluster Cations AuV2O6+
作者: Li, Zi-Yu1; Li, Hai-Fang1, 2; Zhao, Yan-Xia1; He, Sheng-Gui1
刊名: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
发表日期: 2016-08-03
卷: 138, 期:30, 页:9437-9443
收录类别: SCI
英文摘要: Gold in the +III oxidation state (Au-III) has been proposed as a promising species to mediate challenging chemical reactions. However, it is difficult to characterize the chemistry of individual Au-III species in condensed-phase systems mainly due to the interference from the Au-I counterpart. Herein, by doping Au atoms into gas-phase vanadium oxide clusters, we demonstrate that the Au-III cation in the AuV2O6+ cluster is active for activation and transformation of methane, the most stable alkane molecule, into formaldehyde under mild conditions. In contrast, the AuV2O6+ cluster isomers with the Au-I cation can only absorb CH4. The clusters were generated by laser ablation and mass selected to react with CH4, CD4, or CH2D2 in an ion trap reactor. The reactivity was characterized by mass spectrometry and quantum chemistry calculations. The structures of the reactant and product ions were identified by using collision-induced and 425 nm photo-induced dissociation techniques.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35224
Appears in Collections:分子动态与稳态结构实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, State Key Lab Struct Chem Unstable & Stable Speci, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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