Photodissociation Dynamics of Transient Species

在这个由化学部门实验物理化学项目资助的项目中，Reisler将对从弱共价到范德华耦合的二元分子间相互作用进行详细的研究。要研究的体系包括自由基的弱结合二聚体，氨与弱酸的氢键二聚体，强路易斯酸和碱的加合物。将使用几种技术：解离碎片的成对相关速度和角分布和IR-UV激发/检测；最近开发的分辨率和检测灵敏度方案将用于解离碎片的速度和角分布图像；利用REMPI和光电子能谱对碎片性质进行研究。这个项目研究的是分子如何相互作用的问题。这种相互作用的结果取决于相互作用伙伴之间的力的强度。本研究使用几种实验技术来研究几种选择系统的反应动力学，这些系统表现出不同的相互作用强度。该研究旨在获得相互作用分子行为的详细定量信息，其结果将更好地理解气相化学反应。这项工作将与学生和博士后研究人员一起进行。有效的外展计划是这个计划的一部分。

In this project, funded by the Experimental Physical Chemistry Program of the Chemistry Division, Reisler will undertake a detailed study of binary intermolecular interactions that range from weak covalent to van der Waals couplings. Systems to be studied include weakly bound dimers of free radicals, hydrogen-bonded dimers of ammonia with weak pi-acids, and adducts of strong Lewis acids and bases. Several techniques will be used: pair-correlated velocity and angular distributions of dissociation fragments and IR-UV excitation/detection; recently developed resolution and detection sensitivity schemes will be employed for images of the velocity and angular distributions of dissociation fragment; and REMPI and photoelectron spectroscopies will be applied to study the fragment properties. This project deals with the question of how molecules interact with one another. The results of such interactions depend on the strength of forces between the interaction partners. This research uses several experimental techniques to investigate the reaction dynamics for several select systems that exhibit different strengths of interactions. The research is directed to obtain detailed quantitative information of the behavior of interacting molecules and the results will bring about a better understanding of gas phase chemical reactions. The work will be conducted with students and postdoctoral research associates. An effective outreach program is part of this project.