Self-assembly of long chain alkanes and their derivatives on graphite

被引：91

作者：

Yang, Teng ^{[1
]}

Berber, Savas ^{[1
]}

Liu, Jun-Fu ^{[2
,3
]}

Miller, Glen P. ^{[2
,3
]}

Tomanek, David ^{[1
]}

机构：

[1] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[2] Univ New Hampshire, Dept Chem, Durham, NH 03824 USA

[3] Univ New Hampshire, Mat Sci Program, Durham, NH 03824 USA

来源：

JOURNAL OF CHEMICAL PHYSICS | 2008年 / 128卷 / 12期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.2841478

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 combine scanning tunneling microscopy (STM) measurements with ab initio calculations to study the self-assembly of long chain alkanes and related alcohol and carboxylic acid molecules on graphite. For each system, we identify the optimum adsorption geometry and explain the energetic origin of the domain formation observed in the STM images. Our results for the hierarchy of adsorbate-adsorbate and adsorbate-substrate interactions provide a quantitative basis to understand the ordering of long chain alkanes in self-assembled monolayers and ways to modify it using alcohol and acid functional groups. (C) 2008 American Institute of Physics.

引用

页数：8

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