Electrode surface modifications using building block conducting polymers

我们提出的研究计划旨在开发和应用一种使用稳定导电材料（如聚噻吩（聚吡咯，聚呋喃））进行表面改性的替代方案。我们的策略是基于通过电化学氧化在电极表面上沉积保护性导电层。所提出的新方法将有助于克服用于固体表面的直接有机改性的传统方法所遇到的困难，并针对方便的官能团或生物有机/生物分子的沉积。官能团的存在使得聚合物表面更容易官能化，以及引入具有不同电子/光学性质的新分子。 我们的方法需要各种新的单体表面衍生化。为此，将开发一种使用绿色化学合成导电聚合物前体的新方法。这些前体还将产生一系列材料，我们期望这些材料在掺杂和未掺杂状态下表现出高稳定性，低带隙能量和宽范围的光学性质，这对于构建生物传感器和光学器件是重要的。 将使用循环伏安法、扫描电化学显微镜尖端、UV-vis、红外、扫描电子显微镜和XPS测量来表征电极表面上的沉积材料。所提出的导电表面的有机改性的方便的策略将是一个强大的工具，用于识别的目的。此外，本研究计划中描述的研究将为设计更先进的微芯片设备提供有价值的物理化学数据。

Our proposed research program aims at developing and applying an alternative for surface modification using stable conducting materials such as polythiophenes (polypyrroles, polyfurans). Our strategy is based on the deposition of protective conducting layers through electrochemical oxidation on the surface of the electrode. The proposed new approach will help overcome difficulties encountered with traditional methods used for direct organic modifications of solid surfaces and target the deposition of convenient functional groups or bioorganic/biological molecules. The presence of functional groups allows an easier functionalization of the polymers surfaces as well as the introduction of new molecules with different electronic/optical properties. Our approach requires a variety of novel monomers for surface derivatization. To this end, a new methodology for the synthesis of conducting polymer precursors using green chemistry will be developed. These precursors will also generate a series of materials which we expect to exhibit high stability in both doped and undoped states, low band-gap energy and wide range in optical properties, which are important for the construction of biosensors and optical devices. The characterization of the deposited materials onto electrode surfaces will be performed using cyclic voltammetry, scanning electrochemical microscope-tip, UV-vis, infrared, scanning electron microscopy and XPS measurements. The proposed convenient strategies for the organic modification of conducting surfaces will be a powerful tool for recognition purposes. Moreover, studies described in this research program will provide valuable physico-chemical data necessary for the design of more advanced microchip devices.