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题名: Adsorption and decomposition of acetic acid on SmOx/Rh(100) model surface
作者: Ma, YS;  Jiang, ZQ;  Zhou, WP;  Tan, DL;  Zhai, RS;  Bao, XH;  Zhuang, SX
关键词: acetic acid ;  samarium oxide ;  rhodium ;  model surface ;  thermal desorption spectroscopy ;  high resolution electron energy loss spectroscopy
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2002-05-01
卷: 23, 期:3, 页:219-222
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: The adsorption and decomposition of acetic acid on SmOx/Rh ( 100) model surface were investigated with high resolution electron energy loss spectroscopy (HREELS) and thermal desorption spectroscopy (TDS). The presence of SmOx weakened O-H bond in acetic acid molecules and therefore facilitated the formation of adsorbed acetate at 120 K. Increasing the temperature, the addition of SmOx promoted further the decomposition of adsorbed acetate by weakening C-C bond. Upon adsorption on SmOx/Rh(100) surface at 120 K, most acetic acid molecules produced adsorbed acetate species via O-H bond cleavage. When the sample was heated to about 225 K, the decarboxylation of acetate occurs and CO is the main product. The CO and H, peaks were also observed at 417 K and 477 K, which could be attributed to reaction-limited products. The reaction mechanism was also discussed in this paper.
关键词[WOS]: RH(100)
语种: 英语
WOS记录号: WOS:000176236500007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139097
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.Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Ma, YS,Jiang, ZQ,Zhou, WP,et al. Adsorption and decomposition of acetic acid on SmOx/Rh(100) model surface[J]. CHINESE JOURNAL OF CATALYSIS,2002,23(3):219-222.
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