Negative Ion Photoelectron Spectroscopy of Molecular and Cluster Anions

分子和团簇阴离子的负离子光电子能谱

• 批准号: 1360692
• 负责人: Kit Bowen
• 金额: $ 55.8万
• 依托单位: Johns Hopkins University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2014
• 资助国家: 美国
• 起止时间: 2014-08-01 至 2018-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1360692&HistoricalAwards=false
• 关键词: Negative; Ion; Photoelectron; Spectroscopy; Molecular

In this award, funded by the Chemical Structure, Dynamics and Mechanisms (CSDM-A) Program of the Division of Chemistry, Professor Kit Bowen of Johns Hopkins University and his graduate and undergraduate student researchers are conducting experiments to measure the strength of electron binding to neutral molecules. The results from these experiments are important to other areas of chemistry, including mass spectrometry, enzymology and the chemistry of radiation damage. Graduate and undergraduate students working on this project will receive excellent training in experimental physical chemistry. Prof. Bowen also opens his laboratory to urban middle and high school students, exposing these students to state-of-the-art laboratory science.Prof. Bowen and his research group are conducting a large number of experiments on atoms and molecules, using laser-based photoelectron spectroscopy. Among the projects being carried out are: (1) the study of electron induced proton transfer; (2) the investigation of diffuse electron states in molecules and clusters including dipole-bound anions and double Rydberg anions; (3) the measurement of the electron affinities of nucleobases. Over the course of these measurements, Prof. Bowen and his students will further develop new experimental tools and methods in cutting-edge gas-phase experimental chemistry.

在这个由化学系化学结构、动力学和机制（CSDM-A）项目资助的奖项中，约翰霍普金斯大学的Kit Bowen教授和他的研究生和本科生研究人员正在进行实验，以测量电子与中性分子的结合强度。这些实验的结果对化学的其他领域很重要，包括质谱、酶学和辐射损伤化学。参与该项目的研究生和本科生将接受实验物理化学方面的优秀培训。Bowen教授还向城市的中学生和高中生开放了他的实验室，让这些学生接触到最先进的实验室科学。Bowen和他的研究小组正在利用基于激光的光电子能谱对原子和分子进行大量的实验。正在开展的项目有：(1)电子诱导质子转移的研究；(2)分子和簇中的扩散电子态研究，包括偶极束缚阴离子和双里德伯阴离子；(3)核碱基电子亲和度的测定。在这些测量过程中，Bowen教授和他的学生将进一步在尖端气相实验化学中开发新的实验工具和方法。