Self-Assembled Functional Organic Monolayers on Oxide-Free Copper

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• 作者：Mabel A. Caipa Campos ; Anke K. Trilling ; Menglong Yang ; Marcel Giesbers ; Jules Beekwilder ; Jos M. J. Paulusse ; Han Zuilhof
• 刊名：Langmuir
• 出版年：2011
• 出版时间：July 5, 2011
• 年：2011
• 卷：27
• 期：13
• 页码：8126-8133
• 全文大小：977K
• 年卷期：v.27,no.13(July 5, 2011)
• ISSN：1520-5827

文摘

The preparation and characterization of self-assembled monolayers on copper with n-alkyl and functional thiols was investigated. Well-ordered monolayers were obtained, while the copper remained oxide-free. Direct attachment of N-succinimidyl mercaptoundecanoate (NHS-MUA) onto the copper surface allowed for the successful attachment of biomolecules, such as 尾-mallcaps">d-glucosamine, the tripeptide glutathione, and biotin. Notably, the copper surfaces remained oxide-free even after two reaction steps. All monolayers were characterized by static water contact angle measurements, X-ray photoelectron spectroscopy, and infrared reflection absorption spectroscopy. In addition, the biotinylated copper surfaces were employed in the immobilization of biomolecules such as streptavidin.