High resolution synchrotron radiation PES study of PbPc deposited on Pt(111)

被引:18
作者
Papageorgiou, N [1 ]
Mossoyan, JC
Mossoyan-Deneux, M
Terzian, G
Janin, E
Göthelid, M
Giovanelli, L
Layet, JM
Le Lay, G
机构
[1] Univ Aix Marseille 1, PIIM UMR 6633, CNRS, F-13397 Marseille 20, France
[2] Univ Aix Marseille 1, LCC, F-13397 Marseille, France
[3] Royal Inst Technol, Dept Phys Mat, S-10044 Stockholm, Sweden
[4] CNRS, CRMC2, F-13288 Marseille, France
关键词
organic-semiconductors; semiconducting thin films; lead phthalocyanine; metal-organic molecule interface; synchrotron radiation photoelectron spectroscopy;
D O I
10.1016/S0169-4332(00)00189-6
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
We studied lead phthalocyanine (PbPc) films sublimated under UHV conditions on a clean Pt(111) substrate. We report results from high resolution photoelectron spectra of the Pb 5d, Ph 4f, C 1s, N 1s and Pt 4f core level using synchrotron radiation. Comparison between ultra thin films and thicker films shows that the first molecular adlayer interacts strongly with the substrate and we report evidence of Pb-Pt alloy formation on the surface. For the thick films, the C Is and N Is core level spectra show usual characteristics, however in the case of ultra thin films, we note important differences with respect to some previous results. (C) 2000 Elsevier Science B,V. All rights reserved.
引用
收藏
页码:178 / 183
页数:6
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