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题名: Oxidation of SO2 to SO3 by Cerium Oxide Cluster Cations Ce2O4+ and Ce3O6+
作者: Zhou, Zhen-Xun1; Wang, Li-Na1; Li, Zi-Yu2; He, Sheng-Gui2; Ma, Tong-Mei1
刊名: JOURNAL OF PHYSICAL CHEMISTRY A
发表日期: 2016-06-09
卷: 120, 期:22, 页:3843-3848
收录类别: SCI
英文摘要: Cerium oxide cationic clusters (CeO2)(1-3)(+) were generated through laser ablation and then reacted with sulfur dioxide (SO2) at ambient conditions in an ion trap reactor and those reactions were studied and, characterized by combining the art of time-of-flight Mass spectrometry (TOF-MS) with density functional theory (DFT) calculations: Molecule association and oxygen atom transfer (OAT) were observed for the CeO2+ and (CeO2)(2,3)(+) reaction systems, respectively. The mechanistic analysis indicates that the weak Ce-O bond strength associated with the oxygen release capacity of cerium oxide clusters is considered as the key factor to achieve the oxidation of SO2. To our best knowledge, this research should be the first example to identify the OAT reactivity of metal oxide cluster ions toward sulfur dioxide under thermal collision conditions, and a fundamental understanding of the elementary oxidation of SO2 to SO3 is provided.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35752
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.S China Univ Technol, Sch Chem & Chem Engn, Wushan Rd 381, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, State Key Lab Struct Chem Unstable & Stable Speci, Beijing 100190, Peoples R China
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