Homogeneous and Heterogeneous Electron-Transfer Reactions

均相和非均相电子转移反应

• 批准号: 9116332
• 负责人: William Geiger
• 金额: $ 43.81万
• 依托单位: University of Vermont & State Agricultural College
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1992
• 资助国家: 美国
• 起止时间: 1992-02-01 至 1995-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9116332&HistoricalAwards=false
• 关键词: Homogeneous; Heterogeneous; Electron; Transfer; Reactions

This project is in the general area of analytical and surface chemistry and in the subfield of organometallic electrochemistry. During the tenure of this three-year continuing grant, Professor Geiger and his students will pursue fundamental investigations of one-electron and two-electron transfer reactions that are designed to elucidate mechanistic aspects of these technologically important types of chemical systems. Electrochemical and spectroscopic techniques will be used in conjunction with well designed molecular frameworks containing multiple metal redox centers to test through-space electron delocalization, the cooperative reactivity of adjacent redox centers, and long distance interactions between weakly coupled redox centers. Also, a sound experimental approach will be developed for comparing the distance dependence of homogeneous electron transfer processes with their heterogeneous analogues. %%% This research builds upon results obtained under Dr. Geiger's previous NSF grant, CHE-8603728, to provide basic insights into fundamental aspects of conducting materials and of photosynthetic and other biological electron transfer reactions. Additionally, these studies are important to further understanding the behavior of mixed-valent compounds that function as industrially important catalytic systems.

该项目位于分析和表面化学的一般领域以及有机金属电化学的子场。 在这项为期三年的持续赠款期间，盖格教授及其学生将对一电子和两电子转移反应进行基本调查，这些反应旨在阐明这些在技术上重要的化学系统类型的机械方面。 电化学和光谱技术将与精心设计的分子框架结合使用，其中包含多个金属氧化还原中心，以通过空间电子离域化测试，相邻氧化还原中心的合作反应性以及弱距离耦合的氧化还原中心之间的长距离相互作用。 同样，将开发一种合理的实验方法，用于比较均质电子传递过程与它们的异质类似物的距离依赖性。 %% %%这项研究基于Geiger博士以前的NSF赠款CHE-8603728获得的结果，以提供有关导电材料以及光合作用和其他生物电子转移反应的基本方面的基本见解。 此外，这些研究对于进一步理解充当工业重要催化系统的混合价化合物的行为至关重要。