NSF Young Investigator - Electronic Interactions in Radicals, Biradicals, and Spin-Correlated Biradicals

NSF 青年研究员 - 自由基、双自由基和自旋相关双自由基中的电子相互作用

• 批准号: 9357108
• 负责人: Malcolm Forbes
• 金额: $ 31.25万
• 依托单位: University of North Carolina at Chapel Hill
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1993
• 资助国家: 美国
• 起止时间: 1993-07-15 至 1998-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9357108&HistoricalAwards=false
• 关键词: NSF; Young; Investigator; Electronic; Interactions

9357108 Forbes This NSF Young Investigator Award from the Organic Dynamics Program supports the work of Professor Forbes at the University of North Carolina, Chapel Hill on biradical systems in an array of chemical systems. The specific areas are: (a) studies of exchange couplings in novel semi- flexible organic biradicals by exploring the effects of unsaturation, spacers, temperature, and solvents with the objective to evaluate the through-bond and through-space mechanisms; (b) studies on diffusion of organic reactive intermediates on solid surfaces using ultra fast time-resolved EPR spectroscopy with emphasis on determining the influence of solvents; (c) studies using biradicals as probes of polymer chain dynamics and photodegradation including the use of supercritical fluids; (d) synthesis of bi- and tricyclic ketones using olefin methathesis; and (e) improving the multiple frequency time-resolved EPR spectroscopy methodology. %%% With this NYI award Professor Malcolm Forbes will conduct studies of organic biradicals in a variety of systems that range from the synthesis of polycyclic ketones to olefin methathesis and anionic polymerization. The research is largely aimed at determining how the different parts of molecular systems communicate with each other electronically and how external factors such as solvents, temperature, and spacers influence the diffusion, dynamics, and exchange couplings. The work will include diffusion studies on the solvent/solid interface and studies on photodegradable polymers. ***

9357108 福布斯 NSF青年研究者奖（NSF Young Investigator Award） 该计划支持大学福布斯教授的工作 位于北卡罗来纳州的查佩尔山， 一系列化学体系中的双自由基体系。具体 研究领域包括：（a）通过探索 不饱和度、间隔基、温度和溶剂 目的评价贯通粘结和贯通间隙 （B）有机反应物扩散的研究 使用超快时间分辨的固体表面上的中间体 EPR光谱，重点是确定 溶剂;（c）使用双自由基作为聚合物链探针的研究 动力学和光降解，包括使用超临界 （d）使用烯烃合成双环酮和三环酮 （e）改善多频率 时间分辨EPR光谱方法。 有了这个NYI奖Malcolm福布斯教授将进行研究 有机双自由基在各种系统，范围从 多环酮合成烯烃和阴离子 聚合法这项研究主要是为了确定 分子系统的不同部分相互联系 其他电子和如何外部因素，如溶剂， 温度和间隔物影响扩散，动力学，和 交换耦合器。这项工作将包括对以下方面的传播研究： 溶剂/固体界面与光降解研究 聚合物 ***