Dynamics of Highly Excited Hydrocarbons: From Supercollisions to Super-reactions

在这个由化学系实验物理化学计划资助的教职早期职业发展计划中，穆林将使用瞬时红外吸收光谱来研究高振动激发分子的动态过程。将研究伴随着高能物种松弛的相互关联的过程，如单分子分解、碰撞能量转移和双分子反应。被激发的分子将通过紫外光激发制备成高激发振动态，并将利用具有快速光学探测的高分辨率红外激光来确定产物的最终量子态分布。要研究的分子体系有S-四嗪、苯和天青烯。为了增加年轻女性参与科学研究的程度，穆林将发起一系列社区外联计划，旨在为初中和高中女孩提供信息，并为大学科学课程和未来的科学职业做好更好的准备。在大学一级，将设计一项课堂、研究和课外活动计划，以改善女本科生和理科研究生的学术环境，并为高级女性导师提供更多机会。我们对许多高能环境的化学和物理的理解将从穆林博士的研究项目的结果中得到加强。这些研究将跟踪能量离开内部高度激发的分子时可能采取的不同路径。这些结果将使人们更深入地了解各种高能系统中的高能环境化学，如等离子体、爆炸、火焰、燃烧和材料加工。马林博士的教育计划旨在提供外展和指导活动，这将增加女性在科学职业中的参与度。

In this Faculty Early Career Development Program funded by the Experimental Physical Chemistry Program in the Chemistry Division, Mullin will use transient infrared absorption spectroscopy to examine dynamical processes of highly vibrationally excited molecules. Interconnected processes such as unimolecular decomposition, collisional energy transfer, and bimolecular reactions which accompany the relaxation of the high energy species will be investigated. The excited molecules will be prepared in highly excited vibrational states by ultraviolet laser excitation, and the final quantum state distributions of the products will be determined using high-resolution infrared lasers with fast optical detection. Among the molecular systems to be studied are s-tetrazine, benzene, and azulene. In her efforts to increase the extent to which young women engage in scientific study, Mullin will initiate a series of community outreach programs designed to inform and better prepare junior and senior high school girls for college science classes and future careers in science. At the university level, a program of classroom, research, and extracurricular activities will be designed to improve the academic environment for women undergraduate and graduate science students, and to provide increased access to senior women mentors. Our understanding of the chemistry and physics of numerous high-energy environments will be enhanced from the results of Dr. Mullin's research program. These studies will follow the different possible paths that energy takes as it leaves a molecule which has been highly excited internally. The results will lead to a deeper knowledge of the chemistry of energetic environments in various high-energy systems, such as plasmas, explosions, flames, combustion, and materials processing. Dr. Mullin's educational program is designed to provide outreach and mentoring activities which will increase the participation of women in scientific careers.