期刊
APPLIED SURFACE SCIENCE
卷 212, 期 -, 页码 508-514出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0169-4332(03)00048-5
关键词
Pd(111); Pd(110); photoelectron spectroscopy; iodobenzene; phenyl fragments
We have investigated the formation and reaction of phenyl fragments on Pd(1 1 1) and Pd(1 1 0), using synchrotron radiationbased photoelectron spectroscopy. The phenyl fragments are formed by carbon-iodine bond scission of iodobenzene, taking place already at 80 K. Pd(1 1 0) is seen to be more reactive than Pd(1 1 1) in this reaction. With annealing, the phenyl fragments subsequently form both benzene and biphenyl products. Ring coupling is found to be somewhat more efficient on Pd(1 1 1). (C) 2003 Elsevier Science B.V. All rights reserved.
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