Effect of fluorination on the molecule-substrate interactions of pentacene/Cu(100) interfaces

被引：22
|
作者：
de Oteyza, D. G. [1 ,2 ]
Wakayama, Y. [2 ]
Liu, X. [3 ]
Yang, W. [4 ]
Cook, P. L. [5 ]
Himpsel, F. J. [5 ]
Ortega, J. E. [1 ,6 ,7 ]
机构：
[1] Donostia Int Phys Ctr, San Sebastian 20018, Spain
[2] Natl Inst Mat Sci, Adv Elect Mat Ctr, Tsukuba, Ibaraki 3050044, Japan
[3] LBNL, Phys Biosci Div, Berkeley, CA 94720 USA
[4] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA
[5] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA
[6] Univ Basque Country, Dept Fis Aplicada, San Sebastian 20018, Spain
[7] CSIC UPV EHU, Ctr Fis Mat, MPC, San Sebastian 20018, Spain
来源：
CHEMICAL PHYSICS LETTERS | 2010年 / 490卷 / 1-3期
关键词：
THIN-FILMS; ELECTRONIC-STRUCTURE; PERFLUORINATION; PHTHALOCYANINES; SURFACES; GROWTH;
D O I：
10.1016/j.cplett.2010.03.006
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：
By means of scanning tunneling microscopy (STM), X-ray photoelectron spectroscopy (XPS) and near-edge X-ray absorption fine structure (NEXAFS), we study and compare the crystalline and electronic structure of fluorinated and non-fluorinated pentacene fims on Cu(1 0 0). Pentacene perfluorination strongly affects its electronic structure both in the bulk and at the metal-organic interface. While the azimuthal anisotropy of the molecule-substrate interactions on Cu(1 0 0) remains unaffected by the fluorination, the interaction mechanisms, as concluded from their effect on the core-levels and on the conduction band of the respective molecules, show a completely disparate behaviour. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：54 / 57
页数：4
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