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Thionin adsorption on silicon (100): Structural analysis

机译:硫蛋白在硅上的吸附(100):结构分析

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In the search of new photoactive species that may be of use either in energy conversion or in photodynamic therapy, we studied the functionalization of silicon (100) with thionin using the glutaraldehyde coupling reaction. Surface properties were obtained by ellipsometric measurements, atomic force microscopy, and luminescence spectroscopy, which indicated the formation of a well orgamsed monolayer in the silicon surface. In addition, the comparison of Raman spectroscopy data with first-principles pseudopotential calculations of the vibrational modes of the thionin molecule also indicate the formation of a monolayer of intact thionin molecules. Therefore, the simple functionalization process (involving only mild aqueous solution chemistry) described here works well and can be used to construct smooth monolayers of photoactive molecules with functional an-tine groups. (c) 2006 Elsevier B.V. All rights reserved.
机译:在寻找可能用于能量转换或光动力疗法中的新光敏物质时,我们使用戊二醛偶联反应研究了硫酮对硅(100)的功能化。表面性质通过椭圆光度法测量,原子力显微镜和发光光谱法获得,这表明在硅表面形成了良好排列的单分子层。此外,拉曼光谱数据与硫蛋白分子振动模式的第一性原理假电位计算的比较也表明完整的硫蛋白分子的单层形成。因此,此处描述的简单功能化过程(仅涉及温和的水溶液化学作用)效果很好,可用于构建具有功能性正丁基的光敏分子的光滑单分子层。 (c)2006 Elsevier B.V.保留所有权利。

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