Electronic structure of cobalt phthalocyanine studied by resonant photoemission: Localization of Co-related valence band states

被引：21
|
作者：
Peisert, H. [1 ]
Biswas, I. [1 ]
Ayguel, U. [1 ]
Vollmer, A. [2 ]
Chasse, T. [1 ]
机构：
[1] Univ Tubingen, IPTC, D-72076 Tubingen, Germany
[2] Helmholtz Zentrum Berlin Mat & Energie GmbH, Elektronenspeicherring BESSY 2, D-12489 Berlin, Germany
来源：
CHEMICAL PHYSICS LETTERS | 2010年 / 493卷 / 1-3期
关键词：
CHARGE-TRANSPORT; DYNAMICS;
D O I：
10.1016/j.cplett.2010.05.020
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 study the electronic structure of cobalt phthalocyanine (CoPc) thin films on Au(1 0 0) using resonant photoemission spectroscopy and X-ray absorption spectroscopy (XAS). From XAS we conclude that the molecules are highly ordered and oriented parallel to the substrate surface. Cobalt related valence band states are identified using resonant photoemission. A strong enhancement of particular features is observed at the resonance energies, depending on the angle of incidence. This behavior can be understood by participator decay processes, the (de-) localization of Co-related valence band states is discussed. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：126 / 129
页数：4
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