Adsorption kinetics of p-nitrobenzenethiol self-assembled monolayers on a gold surface

被引：41

作者：

Jakubowicz, A ^{[1
]}

Jia, H ^{[1
]}

Wallace, RM ^{[1
]}

Gnade, BE ^{[1
]}

机构：

[1] Univ Texas, Erik Jonsson Sch Engn & Comp Sci, Dept Elect Engn, Richardson, TX 75083 USA

来源：

LANGMUIR | 2005年 / 21卷 / 03期

关键词：

D O I：

10.1021/la048308h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The adsorption kinetics of octadecanethiol (ODT) and p-nitrobenzenethiol (NBT) from ethanol solutions has been studied by means of contact angle, optical ellipsometry, angle-resolved X-ray photoelectron spectroscopy (ARXPS), and grazing angle attenuated total reflection Fourier transform infrared (FTIR) measurements. ODT data were used as a reference for the kinetics studies of film growth. The growth of self-assembled monolayers from dilute solutions follows Langmuir isotherm adsorption kinetics. A saturated film is formed within 5 h after immersion in solutions of concentrations ranging from 0.0005 to 0.01 mM. The density of the monolayer depends on the concentration of the solution.

引用

页码：950 / 955

页数：6

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