Mixed self-assembled monolayers of terminally functionalized thiols at gold surfaces characterized by angle resolved X-ray photoelectron spectroscopy (ARXPS) studies

被引：25

作者：

Heeg, J ^{[1
]}

Schubert, U ^{[1
]}

Küchenmeister, F ^{[1
]}

机构：

[1] Dresden Univ Technol, Semicond & Microsyst Technol Lab, D-01062 Dresden, Germany

来源：

FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1999年 / 365卷 / 1-3期

关键词：

D O I：

10.1007/s002160051487

中图分类号：

O65 [分析化学];

学科分类号：

070302 [分析化学]; 081704 [应用化学];

摘要：

The adsorption of non-reactive alkanethiols and cyano-terminated thiols possessing the same chain length as well as their mixtures were examined on polycrystalline gold surfaces by angle resolved X-ray photoelectron spectroscopy (ARXPS). The adsorption behavior was investigated based on the chemical shift of the S 2p peak components. Besides the expected bound state of the thiols at the surface, non-bound molecules were detected with an increasing intensity at lower take-off angles. The layer composition does not entirely reflect the solution composition and the degree of adsorption is independent of the solution composition. A preferential adsorption of the methyl-terminated alkanethiol at the polycrystalline gold surface was measured.

引用

页码：272 / 276

页数：5

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