SPECTROSCOPIC INVESTIGATIONS OF EXOTIC CARBON, SILICON AND SULFUR MOLECULES

奇异碳、硅和硫分子的光谱研究

• 批准号: 1058063
• 负责人: Charles Alcock
• 金额: $ 46.97万
• 依托单位: Smithsonian Institution Astrophysical Observatory
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2011
• 资助国家: 美国
• 起止时间: 2011-03-01 至 2014-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1058063&HistoricalAwards=false
• 关键词: SPECTROSCOPIC; INVESTIGATIONS; EXOTIC; CARBON; SILICON

In this project funded by the Chemical Structure, Dynamics and Mechanisms Program of the Chemistry Division, Professors Charles Alcock, Michael McCarthy, and Patrick Thaddeus of the Harvard-Smithsonian Center for Astrophysics will undertake spectroscopic studies of exotic carbon, silicon, and sulfur molecules, with particular emphasis on positively- and negatively-charged molecular ions. Using highly sensitive laboratory instrumentation, they seek to discover and characterize key reactive intermediates that are believed to play important roles in industrial processes, including combustion and semiconductor growth processes, and in astronomical chemistry. Such studies are of fundamental interest as well: they contribute to comparative studies of bonding between different elements in the Periodic Table, providing further evidence of the rich architecture of the chemical bond, and establish important benchmarks for theoretical chemistry. The broader impacts include integrating research and education in a setting that gives scope to student initiative and encouragement to independent investigation. The proposed studies should have an impact in a number of areas of scientific research and technological innovation, because of the important role that carbon and silicon chemistry play in fields as diverse as combustion, materials science, and astronomy. The results of these studies may ultimately enable important industrial processes to be monitored and optimized by spectroscopic means, and lead to an improved understanding of how complex molecules can be synthesized from simple starting materials.

在这个由化学系化学结构、动力学和机制项目资助的项目中，哈佛-史密森天体物理中心的查尔斯·阿尔科克、迈克尔·麦卡锡和帕特里克·撒迪厄斯教授将对外来的碳、硅和硫分子进行光谱研究，特别强调带正电荷和负电荷的分子离子。使用高灵敏度的实验室仪器，他们试图发现和表征被认为在工业过程中发挥重要作用的关键活性中间体，包括燃烧和半导体生长过程，以及天文化学。这些研究也具有根本意义：它们有助于比较研究周期表中不同元素之间的键合，为化学键的丰富结构提供进一步的证据，并为理论化学建立重要的基准。更广泛的影响包括将研究和教育结合在一个环境中，为学生的主动性和鼓励独立调查提供空间。拟议的研究应该在科学研究和技术创新的许多领域产生影响，因为碳和硅化学在燃烧，材料科学和天文学等领域发挥着重要作用。这些研究的结果可能最终使重要的工业过程能够通过光谱手段进行监测和优化，并导致对如何从简单的起始材料合成复杂分子的更好理解。