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Adsorption and decomposition of acetic acid on SmOx/Rh(100) model surface
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
2002-05-01
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
关键词[WOS]RH(100)
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.
语种英语
WOS记录号WOS:000176236500007
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139097
专题中国科学院大连化学物理研究所
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
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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.
APA Ma, YS.,Jiang, ZQ.,Zhou, WP.,Tan, DL.,Zhai, RS.,...&Zhuang, SX.(2002).Adsorption and decomposition of acetic acid on SmOx/Rh(100) model surface.CHINESE JOURNAL OF CATALYSIS,23(3),219-222.
MLA Ma, YS,et al."Adsorption and decomposition of acetic acid on SmOx/Rh(100) model surface".CHINESE JOURNAL OF CATALYSIS 23.3(2002):219-222.
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