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Self-assembled bilayers based on organothiol and organotrimethoxysilane on zinc platform

机译:锌平台上基于有机硫醇和有机三甲氧基硅烷的自组装双层

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摘要

This study describes the formation of a bilayer system developed on electrodeposited zinc. In a first step, a monolayer of 11-mercapto-1-undecanol is grafted on zinc, optimization of the conditions of elaboration have been performed. In a second step, organotrimethoxysilane have been grafted on the zinc modified with the hydroxyl terminated self-assembled monolayer (SAM) to finalize the bilayer system. X-ray photoelectron spectroscopy (XPS), polarization modulation-infrared reflection absorption spectroscopy (PM-IRRAS) and contact angle measurements are used to characterize each step of modification. An electrochemical evaluation of the different created systems is carried out by linear sweep voltammetry (LSV), cyclic voltammetry (CV) and scanning vibrating electrode technique (SVET). The impact of the modification of zinc using SAM and self-assembled bilayer (SAB) on the electrochemical activity of the surface is highlighted.
机译:这项研究描述了在电沉积​​锌上形成的双层系统的形成。第一步,将11-巯基-1-十一烷醇单层接枝到锌上,优化了修饰条件。在第二步中,将有机三甲氧基硅烷接枝到用羟基封端的自组装单层(SAM)改性的锌上,以最终确定双层系统。 X射线光电子能谱(XPS),偏振调制红外反射吸收光谱(PM-IRRAS)和接触角测量可用于表征修饰的每个步骤。通过线性扫描伏安法(LSV),循环伏安法(CV)和扫描振动电极技术(SVET)对创建的不同系统进行电化学评估。强调了使用SAM和自组装双层(SAB)改性锌对表面电化学活性的影响。

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  • 来源
    《Applied Surface Science》 |2010年第23期|P.7131-7137|共7页
  • 作者单位

    Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture, Rue d'Egmont 5, B-1000 Bruxelles, Belgium Laboratory of Chemistry and Electrochemistry of Surfaces, University of Namur (FUNDP), Rue de Bruxelles, 61, B-5000 Namur, Belgium;

    rnLaboratory of Chemistry and Electrochemistry of Surfaces, University of Namur (FUNDP), Rue de Bruxelles, 61, B-5000 Namur, Belgium;

    rnLaboratory of Chemistry and Electrochemistry of Surfaces, University of Namur (FUNDP), Rue de Bruxelles, 61, B-5000 Namur, Belgium;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    self-assembled bilayer; zinc; organothiol; organosilane;

    机译:自组装双层锌有机硫醇有机硅烷;

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