Role of intermolecular interactions on the electronic and geometric structure of a large π-conjugated molecule adsorbed on a metal surface

被引：140

作者：

Kilian, L. ^{[2
]}

Hauschild, A. ^{[1
]}

Temirov, R. ^{[3
]}

Soubatch, S. ^{[3
]}

Schoell, A. ^{[2
]}

Bendounan, A. ^{[2
]}

Reinert, F. ^{[2
]}

Lee, T. -L. ^{[4
]}

Tautz, F. S. ^{[3
]}

Sokolowski, M. ^{[1
]}

Umbach, E. ^{[2
]}

机构：

[1] Univ Bonn, Inst Phys & Theoret Chem, D-53115 Bonn, Germany

[2] Univ Wurzburg, Expt Phys 2, D-97074 Wurzburg, Germany

[3] Jacobs Univ Bremen, Sch Sci & Engn, D-750761 Bremen, Germany

[4] European Synchrotron Radiat Facil, F-38043 Grenoble, France

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.100.136103

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The organic semiconductor molecule 3,4,9,10-perylene-tetracarboxylic-dianhydride (PTCDA) exhibits two adsorption states on the Ag(111) surface: one in a metastable disordered phase, prepared at low temperatures, the other in the long-range ordered monolayer phase obtained at room temperature. Notably, the two states differ substantial in their vertical bonding distances, intramolecular distortions, and electronic structures. The difference is explained by intermolecular interactions, which are particularly relevant for the long-range ordered phase, and which hence require attention.

引用

页数：4

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