Raman Spectroscopy of Carbon-based Molecular Electronic Junctions

碳基分子电子结的拉曼光谱

• 批准号: 0211693
• 负责人: Richard McCreery
• 金额: $ 47.6万
• 依托单位: Ohio State University Research Foundation -DO NOT USE
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2002
• 资助国家: 美国
• 起止时间: 2002-10-01 至 2005-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0211693&HistoricalAwards=false
• 关键词: Raman; Spectroscopy; Carbon; based; Molecular

Professor Richard McCreery of Ohio State University is supported by the Analytical and Surface Chemistry Program to study the structure and mechanisms of molecular tunneling junction systems. Monomolecular films of a compound tethered to a graphite surface are probed as a mercury drop approaches the surface. Raman spectroscopy is employed in an in-situ manner. Molecules such as nitroazobenzene are utilized as adsorbates. The mechanism of conduction and conductive switching of this system is being investigated. How does the molecular structure of the organic layer affect the electronic properties of carbon based junctions? The work is relevant to the development of molecular electronics for applications such as high density data storage, molecular transistors, photodetectors, display technology and chemical sensors. Using molecules as electronic elements is a goal of nanotechnology.

俄亥俄州州立大学的Richard McCreery教授受到分析和表面化学计划的支持，研究分子隧道结系统的结构和机制。 当汞滴接近石墨表面时，探测系在石墨表面上的化合物单分子膜。 拉曼光谱以原位方式使用。 分子如硝基偶氮苯被用作吸附物。 研究了该体系的导电和导电开关机理。 有机层的分子结构如何影响碳基结的电子性质？ 这项工作与分子电子学的发展有关，其应用包括高密度数据存储、分子晶体管、光电探测器、显示技术和化学传感器。 利用分子作为电子元件是纳米技术的一个目标。