Oxidation of hydrocarbon fragments on metal single crystals and on supported metals

被引:31
作者
Solymosi, F
机构
[1] Attila Jozsef Univ, Inst Solid State & Radiochem, H-6701 Szeged, Hungary
[2] Hungarian Acad Sci, React Kinet Res Grp, H-6701 Szeged, Hungary
基金
匈牙利科学研究基金会;
关键词
hydrocarbon; oxidation; metals;
D O I
10.1016/S1381-1169(97)00260-4
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
Results obtained on the reactions of hydrocarbon fragments (methylene, methyl, ethyl, propyl and butyl) with adsorbed oxygen on metal surfaces are summarized and discussed. Hydrocarbon species have been generated by the thermal and photo-induced dissociation of corresponding iodo compounds or by the pyrolysis of azomethane. Methods used are X-ray and ultraviolet photoelectron spectroscopy, high resolution electron energy loss spectroscopy and temperature programmed desorption. It is shown that adsorbed oxygen atoms readily combine with CxHy fragments above 150 K, and pathways of the oxidation sensitively depend on the nature of the metals. (C) 1998 Elsevier Science B.V.
引用
收藏
页码:121 / 133
页数:13
相关论文
共 59 条