OP-Molecular Radiative and Relaxation Processes
OP-分子辐射和弛豫过程
基本信息
- 批准号:1663822
- 负责人:
- 金额:$ 48万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-08-01 至 2021-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Shaul Mukamel, of the University of California, Irvine is supported by an award from the Chemical Theory, Models and Computational Methods program in the Division of Chemistry. Mukamel and his coworkers design cutting-edge spectroscopy experiments and develop models and methods for interpreting the results. Understanding and controlling the motions of electrons and nuclei in molecules can determine the rates and outcomes of chemical reactions and energy transfer processes. These include the conversion of solar energy into electric energy in natural photosynthesis and in artificial light harvesting devices. This program develops methods for studying these elementary events by measuring the response of complex molecules to sequences of ultrafast optical laser pulses. Such experiments are made possible by newly-developed laser sources. Models and practical computational tools are developed for the interpretation and analysis of these experiments and extracting the underlying molecular information. Professor Mukamel and his research group collaborate closely with leading experimental research groups all over the world.Novel experimental techniques involving carefully-timed pulse sequences are designed and broadly applied to molecules and molecular aggregates as well as in the condensed phase. Spectroscopic techniques that aim at the direct detection of electronic and vibrational coherence, as well as nonadiabatic dynamics where the Born Oppenheimer approximation breaks down, are developed. Broadband resonant and off-resonant Raman techniques that can directly probe the passage of molecules through conical intersections are designed, and adequate protocols for their simulation are developed. A highly-intuitive, diagrammatic superoperator formalism is developed for computing the response of molecules to quantum and stochastic light and applied towards creating novel optical pulse sequences by utilizing pulse shaping, phase control, and chiral polarization configurations. New nonlinear signals aimed at providing unambiguous spectroscopic signatures of conical intersections through electronic and nuclear coherences are investigated. The quantum properties of light, such as photon entanglement are used as additional tools for probing molecules and chromophore aggregates by providing information that is not accessible by classical light. For example, entangled and squeezed photons offer temporal and spectral resolutions not achievable by other means. Detection schemes that combine coincidence measurements of individual entangled photons and interferometry are explored and used to investigate the elementary charge and energy migration processes in light harvesting in photosynthetic antennae and reaction centers. Signals involving multiple photon coincidence with temporal and spectral gating are predicted. Photon statistics measurements and higher-order radiation field correlation functions are calculated and shown to provide novel spectroscopic tools for molecular dynamical processes. Incoherent detection schemes of coherent optical signals by fluorescence or electric currents, which are very sensitive and can allow the study of single molecules are developed and investigated.
加州大学欧文分校的Shaul Mukamel得到了化学系化学理论、模型和计算方法项目的奖励。穆卡迈尔和他的同事设计了尖端的光谱学实验,并开发了解释结果的模型和方法。了解和控制分子中电子和原子核的运动可以决定化学反应和能量转移过程的速率和结果。其中包括在自然光合作用和人工采光装置中将太阳能转化为电能。这个项目开发了通过测量复杂分子对超快激光脉冲序列的响应来研究这些基本事件的方法。这种实验是由新开发的激光光源实现的。为了解释和分析这些实验并提取潜在的分子信息,开发了模型和实用的计算工具。Mukamel教授和他的研究小组与世界各地领先的实验研究小组密切合作,设计了涉及仔细定时的脉冲序列的新实验技术,并将其广泛应用于分子和分子聚集体以及凝聚相。发展了旨在直接检测电子和振动相干以及非绝热动力学的光谱技术,其中Born Oppenheimer近似被打破。设计了可以直接探测分子通过锥形交叉口的宽带共振和非共振拉曼技术,并开发了适当的模拟方案。发展了一种高度直观、图形化的超级算符形式,用于计算分子对量子光和随机光的响应,并应用于利用脉冲整形、相位控制和手征偏振构型来产生新型光脉冲序列。研究了旨在通过电子相干和核相干提供锥形交叉点明确光谱特征的新的非线性信号。光的量子性质,如光子纠缠,通过提供经典光无法获得的信息,被用作探测分子和生色团聚集体的额外工具。例如,纠缠和压缩的光子提供了其他方法无法实现的时间和光谱分辨率。探索了将单个纠缠光子的符合测量和干涉测量相结合的探测方案,并将其用于研究光合作用天线和反应中心光收集中的基本电荷和能量迁移过程。预测了具有时间和光谱门控的多光子符合信号。计算了光子统计测量和高阶辐射场关联函数,为分子动力学过程提供了新的光谱工具。发展和研究了利用荧光或电流对相干光信号进行非相干检测的方案,这种方案非常灵敏,可以用于单分子的研究。
项目成果
期刊论文数量(40)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Imaging of transition charge densities involving carbon core excitations by all X-ray sum-frequency generation
通过所有 X 射线和频生成对涉及碳核激发的跃迁电荷密度进行成像
- DOI:10.1098/rsta.2017.0470
- 发表时间:2019
- 期刊:
- 影响因子:0
- 作者:Cho, Daeheum;Rouxel, Jérémy R.;Kowalewski, Markus;Lee, JinYong;Mukamel, Shaul
- 通讯作者:Mukamel, Shaul
Attosecond X-ray Diffraction Triggered by Core or Valence Ionization of a Dipeptide
- DOI:10.1021/acs.jctc.7b00920
- 发表时间:2018-01-01
- 期刊:
- 影响因子:5.5
- 作者:Cho, Daeheum;Rouxel, Jeremy R.;Mukamel, Shaul
- 通讯作者:Mukamel, Shaul
Flux-Conserving Diagrammatic Formulation of Optical Spectroscopy of Open Quantum Systems
- DOI:10.1021/acs.jpcc.9b08635
- 发表时间:2019-09
- 期刊:
- 影响因子:0
- 作者:S. Mukamel;Michael Galperin
- 通讯作者:S. Mukamel;Michael Galperin
X-Ray Sum Frequency Diffraction for Direct Imaging of Ultrafast Electron Dynamics
- DOI:10.1103/physrevlett.120.243902
- 发表时间:2018-06-12
- 期刊:
- 影响因子:8.6
- 作者:Rouxel, Jeremy R.;Kowalewski, Markus;Mukamel, Shaul
- 通讯作者:Mukamel, Shaul
Two-Dimensional Impulsively Stimulated Resonant Raman Spectroscopy of Molecular Excited States
- DOI:10.1103/physrevx.10.011051
- 发表时间:2020-02-28
- 期刊:
- 影响因子:12.5
- 作者:Fumero, Giuseppe;Schnedermann, Christoph;Scopigno, Tullio
- 通讯作者:Scopigno, Tullio
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Shaul Mukamel其他文献
A lightning-fast change
闪电般的变化
- DOI:
10.1038/nphys2226 - 发表时间:
2012-02-05 - 期刊:
- 影响因子:18.400
- 作者:
Shaul Mukamel - 通讯作者:
Shaul Mukamel
Progress and prospects in nonlinear extreme-ultraviolet and X-ray optics and spectroscopy
非线性极紫外和 X 射线光学与光谱学的进展与前景
- DOI:
10.1038/s42254-023-00643-7 - 发表时间:
2023-09-25 - 期刊:
- 影响因子:39.500
- 作者:
Majed Chergui;Martin Beye;Shaul Mukamel;Cristian Svetina;Claudio Masciovecchio - 通讯作者:
Claudio Masciovecchio
Transient-absorption spectroscopy of dendrimers emvia/em nonadiabatic excited-state dynamics simulations
树枝状大分子的瞬态吸收光谱 emvia/em 非绝热激发态动力学模拟
- DOI:
10.1039/d4sc01019a - 发表时间:
2024-08-22 - 期刊:
- 影响因子:7.400
- 作者:
Royle Perez-Castillo;Victor M. Freixas;Shaul Mukamel;Aliezer Martinez-Mesa;Llinersy Uranga-Piña;Sergei Tretiak;Maxim F. Gelin;Sebastian Fernandez-Alberti - 通讯作者:
Sebastian Fernandez-Alberti
Trees to trap photons
树木捕获光子
- DOI:
10.1038/41219 - 发表时间:
1997-07-31 - 期刊:
- 影响因子:48.500
- 作者:
Shaul Mukamel - 通讯作者:
Shaul Mukamel
Kohärente mehrdimensionale Schwingungsspektroskopie von Biomolekülen: Konzepte, Simulationen und Herausforderungen
生物分子的大维度研究:Konzepte、Simulationen und Herausforderungen
- DOI:
- 发表时间:
2009 - 期刊:
- 影响因子:0
- 作者:
Zhuang Wei;Tomoyuki Hayashi;Shaul Mukamel - 通讯作者:
Shaul Mukamel
Shaul Mukamel的其他文献
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{{ truncateString('Shaul Mukamel', 18)}}的其他基金
Molecular Radiative and Relaxation Processes
分子辐射和弛豫过程
- 批准号:
2246379 - 财政年份:2023
- 资助金额:
$ 48万 - 项目类别:
Continuing Grant
Molecular Radiative and Relaxation Processes
分子辐射和弛豫过程
- 批准号:
1953045 - 财政年份:2020
- 资助金额:
$ 48万 - 项目类别:
Continuing Grant
Molecular Radiative and Relaxation Processes
分子辐射和弛豫过程
- 批准号:
1361516 - 财政年份:2014
- 资助金额:
$ 48万 - 项目类别:
Continuing Grant
Molecular Radiative and Relaxation Processes
分子辐射和弛豫过程
- 批准号:
1058791 - 财政年份:2011
- 资助金额:
$ 48万 - 项目类别:
Continuing Grant
Molecular Radiation and Relaxation Processes
分子辐射和弛豫过程
- 批准号:
0745892 - 财政年份:2008
- 资助金额:
$ 48万 - 项目类别:
Continuing Grant
Molecular Relaxation and Radiative Processes
分子弛豫和辐射过程
- 批准号:
0446555 - 财政年份:2005
- 资助金额:
$ 48万 - 项目类别:
Continuing Grant
Molecular Relaxation and Radiative Processes
分子弛豫和辐射过程
- 批准号:
0425614 - 财政年份:2003
- 资助金额:
$ 48万 - 项目类别:
Standard Grant
NIRT: Novel Nanoengineered Chromophore Aggregates with Controlled Electronic and Optical Properties
NIRT:具有受控电子和光学特性的新型纳米工程发色团聚集体
- 批准号:
0406750 - 财政年份:2003
- 资助金额:
$ 48万 - 项目类别:
Standard Grant
NIRT: Novel Nanoengineered Chromophore Aggregates with Controlled Electronic and Optical Properties
NIRT:具有受控电子和光学特性的新型纳米工程发色团聚集体
- 批准号:
0303389 - 财政年份:2003
- 资助金额:
$ 48万 - 项目类别:
Standard Grant
2002 Chemical Physics Summer School Gordon-Kenan Conference, June 16-18, 2002, Bristol, RI
2002 年化学物理暑期学校 Gordon-Kenan 会议,2002 年 6 月 16-18 日,罗德岛州布里斯托尔
- 批准号:
0212942 - 财政年份:2002
- 资助金额:
$ 48万 - 项目类别:
Standard Grant
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Molecular Radiative and Relaxation Processes
分子辐射和弛豫过程
- 批准号:
2246379 - 财政年份:2023
- 资助金额:
$ 48万 - 项目类别:
Continuing Grant
Molecular Radiative and Relaxation Processes
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- 批准号:
1953045 - 财政年份:2020
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$ 48万 - 项目类别:
Continuing Grant
Real-time observation of radiative cooling of isolated molecular ions in RICE
实时观测 RICE 中孤立分子离子的辐射冷却
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16K13859 - 财政年份:2016
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$ 48万 - 项目类别:
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A theoretical method for visualizing the origin of radiative and non-radiative decays and its application to molecular design for deep-blue electroluminescent materials
一种可视化辐射和非辐射衰变起源的理论方法及其在深蓝色电致发光材料分子设计中的应用
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15K17900 - 财政年份:2015
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Molecular Radiative and Relaxation Processes
分子辐射和弛豫过程
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1361516 - 财政年份:2014
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Radiative Feedback and Clustered Star Formation in Simulated Galactic Giant Molecular Clouds
模拟银河巨分子云中的辐射反馈和星团形成
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427133-2012 - 财政年份:2014
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Postgraduate Scholarships - Doctoral
Construction of collisional-radiative models and a neutral transport code with accurate internal states of atomic and molecular hydrogen
构建碰撞辐射模型和具有准确的原子和分子氢内部状态的中性输运代码
- 批准号:
25400532 - 财政年份:2013
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$ 48万 - 项目类别:
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427133-2012 - 财政年份:2013
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Ionization and radiative decays in atomic and molecular systems
原子和分子系统中的电离和辐射衰变
- 批准号:
93001-2007 - 财政年份:2011
- 资助金额:
$ 48万 - 项目类别:
Discovery Grants Program - Individual