A BPTDS AND HREELS STUDY OF THE INTERACTION OF CYCLOHEXANE WITH THE PT(111) SURFACE

被引：61
|
作者：
BUSSELL, ME
HENN, FC
CAMPBELL, CT
机构：
[1] UNIV WASHINGTON,DEPT CHEM,BG-10,SEATTLE,WA 98195
[2] WESTERN WASHINGTON UNIV,DEPT CHEM,BELLINGHAM,WA 98225
来源：
JOURNAL OF PHYSICAL CHEMISTRY | 1992年 / 96卷 / 14期
关键词：
D O I：
10.1021/j100193a061
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The surface chemistry of cyclohexane (c-C6H12) adsorbed on the Pt(1 1 1) surface has been investigated using bismuth postdosing thermal desorption mass spectroscopy (BPTDS) and high-resolution electron energy loss spectroscopy (HREELS). Cyclohexane was found to adsorb molecularly at 95 K in agreement with others. Cyclohexane decomposition begins at approximately 195 K and is complete by approximately 230 K as determined by BPTDS. Between 230 and 290 K, the dominant species on the surface are c-C6H9,a and H(a), with small amounts of adsorbed benzene also present. The C-C6H9,a converts to adsorbed benzene in the temperature range 290-340 K, almost simultaneous with the desorption of H(a) as H-2.
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页码：5978 / 5982
页数：5
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