课题基金 / 基金详情

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

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
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1993
资助国家:
美国
项目状态:
已结题
起止时间:
1993-07-15 至 1998-12-31

项目摘要

项目成果

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中文摘要
翻译
美国国家科学基金会有机动力学计划青年研究者奖支持北卡罗来纳大学教堂山分校Forbes教授在一系列化学系统中的双基系统方面的工作。具体的研究领域是:(a)通过探索不饱和、间隔剂、温度和溶剂的影响来研究新型半柔性有机双基的交换偶联,目的是评估通过键和通过空间的机制;(b)使用超快速时间分辨EPR光谱研究有机反应中间体在固体表面的扩散,重点是确定溶剂的影响;(c)使用双自由基作为聚合物链动力学和光降解探针的研究,包括使用超临界流体;(d)烯烃甲烷合成双环和三环酮;(e)改进多频时间分辨EPR光谱方法。有了这个NYI奖,Malcolm Forbes教授将在各种系统中进行有机双基的研究,从多环酮的合成到烯烃的甲基化和阴离子聚合。这项研究主要是为了确定分子系统的不同部分如何通过电子方式相互通信,以及溶剂、温度和间隔剂等外部因素如何影响扩散、动力学和交换耦合。这项工作将包括溶剂/固体界面的扩散研究和光可降解聚合物的研究。* * *
英文摘要
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. ***
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Probes, Labels, Traps, and Reporters: Exploring the Modern Spin Chemistry Landscape
  • 批准号:
    1900541
  • 项目类别:
    Standard Grant
  • 资助金额:
    $50.0万
  • 财政年份:
    2019
  • 负责人:
    Malcolm Forbes
  • 依托单位:
MRI: Acquisition of a Laser Amplification System for Sensitive, High-Resolution, Multi-Time Scale Spectroscopy
  • 批准号:
    1626420
  • 项目类别:
    Standard Grant
  • 资助金额:
    $22.38万
  • 财政年份:
    2016
  • 负责人:
    Malcolm Forbes
  • 依托单位:
Workshop: Photocatalysis, Photoconversion, and Photoelectrochemistry: Fundamentals, Techniques, and Applications for the 21st Century
  • 批准号:
    1622670
  • 项目类别:
    Standard Grant
  • 资助金额:
    $2.25万
  • 财政年份:
    2016
  • 负责人:
    Malcolm Forbes
  • 依托单位:
Photochemistry, Spin, and Molecular Motion: Connections through Magnetic Resonance
  • 批准号:
    1464817
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $54.0万
  • 财政年份:
    2015
  • 负责人:
    Malcolm Forbes
  • 依托单位:
海外基金