Electric Field Effects on Excited State and Electron Transfer Dynamics
电场对激发态和电子转移动力学的影响
基本信息
- 批准号:9628857
- 负责人:
- 金额:$ 43万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1996
- 资助国家:美国
- 起止时间:1996-08-15 至 2000-05-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This award in the Inorganic, Bioinorganic, and Organometallic Chemistry Program supports research by Dr. Steven G. Boxer of the Chemistry Department, Stanford University, for investigation of the photophysics and reaction dynamics of coordination complexes in applied electric fields. A Stark spectrometer based on a step-scan FTIR will be developed for use in obtaining high signal-to-noise virbrational Stark effect spectra in the mid-IR region and electronic Stark spectra for the broad transitions characteristic of coordination compounds. Some of the specific problems to be investigated by Stark spectroscopy include: electronic coupling in class II mixed valence complexes and metal-bridged prophyrin dimers; bond anharmonicity in carbonyl and C-F stretches; degree of delocalization in push-pull polyenes (used in non-linear optical devices) imposed by large internal electric fields that result from the attachment of strong electron donors and acceptors; effect of applied electric fields on excited state proton transfer reactions in 3-hydroxyflavone. Interactions between molecular fragments separated by relatively long and chemically interesting spacers will be investigated using Stark effect spectroscopy. Electronic or vibrational transitions are affected by applied electric fields and measurement of this effect provides quantitative information on the magnitude and direction of charge displacement. Electric fields can also be used to manipulate the rates of electron and proton transfer reactions. The results are not only of fundamental interest but also potentially applicable to the development of non-linear optical materials for use in the electronics industry.
无机化学、生物无机化学和金属有机化学项目的这一奖项支持斯坦福大学化学系Steven G.Boxer博士的研究,他研究了外加电场中配位络合物的光物理和反应动力学。基于步进扫描傅里叶变换红外光谱的斯塔克光谱仪将用于获得高信噪比的中红外振动斯塔克效应光谱和配位化合物宽跃迁特征的电子斯塔克光谱。斯塔克光谱要研究的一些具体问题包括:II类混合价络合物和金属桥联的卟啉二聚体中的电子耦合;羰基和C-F伸缩中的键非谐性;由于强电子给体和受体的连接而产生的大的内部电场对推挽型多烯(用于非线性光学器件)的离域程度;外加电场对3-羟基黄酮中激发态质子转移反应的影响。我们将使用斯塔克效应光谱学来研究由相对较长和化学上感兴趣的间隔物分隔的分子片段之间的相互作用。电子或振动跃迁受到外加电场的影响,对这种影响的测量提供了关于电荷位移的大小和方向的定量信息。电场也可以用来控制电子和质子转移反应的速率。这一结果不仅对电子工业中使用的非线性光学材料的开发具有重要意义,而且具有潜在的应用价值。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Steven Boxer其他文献
Membrane Interactions Mediated by DNA Hybridization
- DOI:
10.1016/j.bpj.2009.12.3377 - 发表时间:
2010-01-01 - 期刊:
- 影响因子:
- 作者:
Steven Boxer - 通讯作者:
Steven Boxer
Kinetic Models of Zika Virus Membrane Fusion
- DOI:
10.1016/j.bpj.2017.11.3304 - 发表时间:
2018-02-02 - 期刊:
- 影响因子:
- 作者:
Robert Rawle;Elizabeth Webster;Steven Boxer;Peter Kasson - 通讯作者:
Peter Kasson
Efficacy of Recombinant Human Erythropoietin in Enhancing Erythroid Hematopoietic Recovery after Allogeneic Hematopoietic Stem Cell Transplantation: A Meta-Analysis
- DOI:
10.1182/blood-2024-210982 - 发表时间:
2024-11-05 - 期刊:
- 影响因子:
- 作者:
Carter Quinn;Raag Patel;Steven Boxer;Mohammad Nisar;Malek Moumne;Aditya Bhave;Anthony Elengickal;Megh Mehta;Danny Yakoub;Amany R. Keruakous - 通讯作者:
Amany R. Keruakous
Cholesterol-Induced Membrane Organization Promotes Influenza Virus Binding
- DOI:
10.1016/j.bpj.2017.11.2100 - 发表时间:
2018-02-02 - 期刊:
- 影响因子:
- 作者:
Isabel Nadine Goronzy;Robert Rawle;Steven Boxer;Peter Kasson - 通讯作者:
Peter Kasson
Combining Electrical and Optical Measurements to Reveal the Structure-Function Relationship of Voltage-Gated Potassium Channels
- DOI:
10.1016/j.bpj.2017.11.2629 - 发表时间:
2018-02-02 - 期刊:
- 影响因子:
- 作者:
Corianne VandenAkker;Steven Boxer - 通讯作者:
Steven Boxer
Steven Boxer的其他文献
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{{ truncateString('Steven Boxer', 18)}}的其他基金
Organization and Dynamics in Photosynthetic Reaction Centers and Model Membrane Architectures
光合反应中心和模型膜结构的组织和动力学
- 批准号:
1915727 - 财政年份:2019
- 资助金额:
$ 43万 - 项目类别:
Standard Grant
Organization and Dynamics in Photosynthetic Reaction Centers and Model Membrane Architectures
光合反应中心和模型膜结构的组织和动力学
- 批准号:
1408785 - 财政年份:2014
- 资助金额:
$ 43万 - 项目类别:
Continuing Grant
Mechanism and Macromolecular Organization in Photosynthetic Reaction Centers
光合反应中心的机理和大分子组织
- 批准号:
0918782 - 财政年份:2009
- 资助金额:
$ 43万 - 项目类别:
Standard Grant
Mechanism and Macromolecular Organization in Photosynthetic Reaction Centers
光合反应中心的机理和大分子组织
- 批准号:
0416623 - 财政年份:2004
- 资助金额:
$ 43万 - 项目类别:
Continuing Grant
Electric Field Effects on Excited State and Electron Transfer Dynamics
电场对激发态和电子转移动力学的影响
- 批准号:
0210029 - 财政年份:2002
- 资助金额:
$ 43万 - 项目类别:
Continuing Grant
Mechanism and Macromolecular Organization in Photosynthetic Reaction Centers and Membranes
光合反应中心和膜的机制和大分子组织
- 批准号:
0110400 - 财政年份:2001
- 资助金额:
$ 43万 - 项目类别:
Standard Grant
Electric Field Effects on Excited State and Electron Transfer Dynamics
电场对激发态和电子转移动力学的影响
- 批准号:
9903584 - 财政年份:1999
- 资助金额:
$ 43万 - 项目类别:
Standard Grant
Mechanism and Macromolecular Organization in Photosynthetic Reaction Centers
光合反应中心的机理和大分子组织
- 批准号:
9807559 - 财政年份:1998
- 资助金额:
$ 43万 - 项目类别:
Continuing Grant
Mechanism and Macromolecular Organization in Photosynthetic Reaction Centers
光合反应中心的机理和大分子组织
- 批准号:
9506178 - 财政年份:1995
- 资助金额:
$ 43万 - 项目类别:
Continuing Grant
Electric Field Effects on Excited State and Electron Transfer Dynamics
电场对激发态和电子转移动力学的影响
- 批准号:
9303109 - 财政年份:1993
- 资助金额:
$ 43万 - 项目类别:
Continuing Grant
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