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题名: XPS study on adsorptive desulfurization of thiophene over rapidly quenched skeletal Ni
作者: Xie Fu-Zhong;  Hu Hua-Rong;  Qiao Ming-Hua;  Yan Shi-Run;  Fan Kang-Nian;  Lei Hao;  Tan Dali;  Bao Xin-He;  Zong Bao-Ning;  Zhang Xiao-Xin
关键词: rapidly quenched Ni ;  thiophene ;  adsorptive desulfurization ;  XPS
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2006-09-10
卷: 27, 期:9, 页:1729-1732
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The adsorptive desulfurization of thiophene on rapidly quenched skeletal Ni (RQ Ni) was investigated by XPS. At 298 K, thiophene in direct contact with RQ Ni undergoes C-S bond scission, forming metallocycle-like species and atomic sulfur on metallic nickel. Further exposure to thiophene leads to physisorbed thiophene. At 373 K, most of the physisorbed thiophene desorbs, with a small portion undergoing sulfur abstraction on the newly exposed nickel surface. The existence of alumina and hydrogen may block the further cracking of the metallocycle-like species at higher temperatures, which has been considered to be the dominant reaction pathway-on Ni single crystals. At 473 K, the C-1s peak disappears, leaving nickel sulfide on the surface.
关键词[WOS]: CATALYTIC-PROPERTIES ;  SPECTROSCOPY ;  GAMMA-AL2O3 ;  SURFACES ;  ALLOY
语种: 英语
WOS记录号: WOS:000240763400034
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140374
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Fudan Univ, Dept Chem, Shanghai Key Lab Mol Catalysis & Innovat Mat, Shanghai 200433, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Res Inst Petr Proc, Beijing 100083, Peoples R China

Recommended Citation:
Xie Fu-Zhong,Hu Hua-Rong,Qiao Ming-Hua,et al. XPS study on adsorptive desulfurization of thiophene over rapidly quenched skeletal Ni[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2006,27(9):1729-1732.
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