The adsorption of a substituted benzene, the ethynyl-trifluoro-toluene on Si(100)-2 x 1

被引：3
|
作者：
Herzog, Florian [1 ]
Finocchi, Fabio [1 ]
Soukiassian, Laetitia [1 ]
Pluchery, Olivier [1 ]
机构：
[1] Univ Paris 06, CNRS, Inst NanoSci Paris, F-75005 Paris, France
来源：
SURFACE SCIENCE | 2011年 / 605卷 / 1-2期
关键词：
Scanning tunneling microscopy; Density functional calculations; Silicon; Physical adsorption; Molecule-solid reactions; SCANNING-TUNNELING-MICROSCOPY; SI(001) SURFACE; CYCLOADDITION CHEMISTRY; SEMICONDUCTOR SURFACES; SILICON(001) SURFACE; ORGANIC MONOLAYERS; MOLECULES; PHENYLACETYLENE; COMPETITION; PRINCIPLES;
D O I：
10.1016/j.susc.2010.10.015
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：
The adsorption of 3-ethynyl-trifluoro-toluene (ETFT) on Si(100)-2 x 1 surface in ultra high vacuum is studied in the low coverage regime, through a joint experimental and theoretical approach. The STM images of both filled and empty states revealed few distinct adsorption configurations. On the basis of Density Functional Theory (DFT) calculations the STM images were simulated and three main adsorption configurations were identified, with a predominance of di-sigma bonded species that leave the benzene ring unreacted. A discussion of the reactivity of the reconstructed silicon surface towards benzene derivatives is proposed by comparing the adsorption of ETFT close related molecules, like styrene and phenylacetylene. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：166 / 173
页数：8
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