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Spectroscopy of Single Molecules at Specific Sites on Surfaces

表面特定位点的单分子光谱

基本信息

批准号：
0138409
负责人：
Kerry Hipps
金额：
$ 34.8万
依托单位：
Washington State University
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：
2002-05-01 至 2006-04-30
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0138409&HistoricalAwards=false
关键词：
Spectroscopy Single Molecules Specific Sites

项目摘要

The chemical identification of nanometer sized features and individual molecules on solid surfaces is the focus of this research project. With the support of the Analytical and Surface Chemistry Program, Professor Hipps and his colleagues at Washington State University, are using orbital mediated tunneling spectroscopy in combination with scanning tunneling microscopy to examine the electronic structure of large organic and organometallic molecular layers on metal and graphite surfaces. The role of intermolecular packing and interface structure in determining the electronic transport properties of these layers is being examined. The information gained from these studies will provide fundamental design information for molecule based electronic and opto-electronic devices. As electronic devices shrink to the nanoscale and molecular scale, more fundamental information about the electronic structure of these molecular electronic devices is needed. This research project, in the laboratory of Professor Hipps at Washington State University, uses orbital mediated tunneling spectroscopy to obtain this electronic structure information about well characterized molecular overlayers on metal and carbon surfaces. In addition to the fundamental understanding obtained by these studies, an improved tool for the electronic characterization of molecular electronic architectures will result.

固体表面纳米尺度特征和单个分子的化学识别是本研究项目的重点。在分析和表面化学项目的支持下，华盛顿州立大学的Hipps教授和他的同事们正在使用轨道介导隧道光谱与扫描隧道显微镜相结合来检查金属和石墨表面上的大型有机和有机金属分子层的电子结构。分子间的包装和界面结构在确定这些层的电子传输特性的作用正在研究。从这些研究中获得的信息将为基于分子的电子和光电子器件的设计提供基础信息。随着电子器件缩小到纳米尺度和分子尺度，需要关于这些分子电子器件的电子结构的更多基本信息。这个研究项目是在华盛顿州立大学的Hipps教授的实验室中进行的，它使用轨道介导的隧道光谱学来获得关于金属和碳表面上的分子覆盖层的电子结构信息。除了通过这些研究获得的基本理解之外，还将产生用于分子电子结构的电子表征的改进工具。