Multiple Surface Functionalities through Step-by-Step Hydrolysis of Self-Assembled Monolayers

被引：6

作者：

Bhat, Rahila ^{[1
]}

Sell, Stephan ^{[1
,2
]}

Trimbach, David C. ^{[1
]}

Zankovych, Sergiy ^{[1
]}

Zhang, Jiantao ^{[1
]}

Bossert, Joerg ^{[1
]}

Klemm, Elisabeth ^{[2
]}

Jandt, Klaus D. ^{[1
]}

机构：

[1] Univ Jena, Inst Mat Sci & Technol IMT, D-07743 Jena, Germany

[2] Jena Polymers Ltd, D-07745 Jena, Germany

来源：

CHEMISTRY OF MATERIALS | 2008年 / 20卷 / 16期

关键词：

D O I：

10.1021/cm800326w

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：

Self-assembled monolayers (SAMs) of N-(3-diethylphosphatoxy)propyl-11-mercaptoundecanamide (PPMA) were prepared on gold surfaces. The SAMs, consisting originally of a phosphonate surface functionality, were subjected to step-by-step acidic hydrolysis to reveal two different functional groups: (a) a hydroxyl and (b) a carboxylic group. At each stage these SAMs were characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS), and water contact angle measurements. To our best knowledge, for the first time a methodical approach was used to obtain three different surface functionalities from one type of molecule on the surface of gold. These SAMs could provide a novel approach for conducting high-throughput investigations, for instance for cell adhesion. The present study contributes toward the understanding of reactions at interfaces as it demonstrates the influence of step-by-step hydrolysis on SAMs.

引用

页码：5197 / 5202

页数：6

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