Infrared Spectroscopic Studies of the Structure and Reactions of Molecules on Metal Surfaces

利用反射吸收红外方法的表面振动光谱是分析和表面化学计划支持的这一研究项目的重点。伊利诺伊大学芝加哥分校的特雷纳里教授和他的学生将使用振动光谱学来确定吸附物种的身份和结构。简正波分析将用于解释这一光谱数据，从而能够指定振动带，并确定吸附物种的结构参数。这些方法应用于铜表面的甲氧基中间体，以及铂表面的异氰化物和相关部分是主要的感兴趣的体系。这项工作的结果将在常规使用表面红外光谱表征反应过程中得到广泛的应用。作为本研究项目的主题，简正模式分析方法的发展将使表面红外光谱分析作为常规分析工具的使用成为可能。为了了解表面上的反应过程，必须对吸附的反应物、产物和中间体进行鉴定和结构表征。简正模式方法将使这种表征常规地提供给表面化学界。

Surface vibrational spectroscopy, using reflection absorption infrared methods, is the focus of this research project supported by the Analytical and Surface Chemistry Program. Professor Trenary and his students at the University of Illinois at Chicago will determine the identity and structure of adsorbed species using vibrational spectroscopy. Normal mode analysis will be applied to the interpretation of this spectroscopic data, enabling assignment of vibrational bands, and determination of structural parameters for the adsorbed species. The application of these methods to the methoxy intermediate on copper surfaces, and to isocyanide and related moieties on platinum surfaces are the primary systems of interest. The results of this work will see broad application in the routine use of surface IR to characterize reaction processes. The use of surface infrared spectroscopy as a routine analytical tool will be enabled by the development of normal mode analysis methods which are the subject of this research project. In order to understand reaction processes on surfaces, adsorbed reactants, products, and intermediates must be identified and structurally characterized. Normal mode methods will make this characterization routinely available to the surface chemistry community.