CAS: Near-IR Absorbing Intramolecular Charge Transfer Complexes: Syntheses, Symmetry-Breaking Charge Transfer, and Charge Transfer Reversal by External Stimuli
CAS:近红外吸收分子内电荷转移复合物:合成、对称破坏电荷转移和外部刺激引起的电荷转移逆转
基本信息
- 批准号:2000988
- 负责人:
- 金额:$ 40.43万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2020
- 资助国家:美国
- 起止时间:2020-06-01 至 2024-05-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
In this project, funded by the Chemical Structure, Dynamic & Mechanism B Program of the Chemistry Division, Professor Francis D’Souza of the Department of Chemistry at the University is developing new classes of charge transfer complexes able to absorb light in the near-infrared region. The research could lead to materials with novel optoelectronic properties, which are needed for efficient solar energy harvesting devices and luminescent sensors. The project lies at the interface of organic, physical and materials chemistry, and is well suited to the education of scientists at the undergraduate and graduate levels. The project provides extensive teaching and training of graduate students, and undergraduate students. The technical knowledge, problem-solving abilities, and communication skills learned through participating in the project help to strengthen the nation’s high technology workforce while contributing to the energy efficiency of clean energy technologies. Outreach efforts contribute to a highly diversified research group and collaboration with the Elm Fork Education Center to enhance general science education are also part of the project. Professor Francis D’Souza’s group will address several scientific challenges. First, can the absorption of the intramolecular charge transfer complexes be extended into the near-infrared region and beyond by utilizing highly interacting strong electron donor and strong electron acceptor pairs? Second, can nanocarbon materials such as fullerene, endohedral fullerene and single-wall carbon nanotubes be used to enhance near-infrared absorption and emission in these intramolecular charge transfer complexes? Third, Are the appended photosensitizers capable of triggering efficient ultrafast charge separation upon photoexcitation, thereby leading to charge-separated states? Are novel photochemical events such as symmetry-breaking charge transfer observed in the multi-modular symmetric intramolecular charge transfer complexes? Finally, can external stimulus be used to modulate ground and excited state charge transfer in these intramolecular charge transfer complexes?This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
在该项目中,由化学系的化学结构,动力学机制B计划资助,该大学化学系的弗朗西斯D 'Souza教授正在开发能够吸收近红外区域光的新型电荷转移复合物。这项研究可能会产生具有新型光电特性的材料,这些材料是高效太阳能收集设备和发光传感器所需的。该项目位于有机,物理和材料化学的界面,非常适合本科和研究生阶段的科学家教育。该项目为研究生和本科生提供广泛的教学和培训。 通过参与该项目学习到的技术知识、解决问题的能力和沟通技巧有助于加强国家的高技术劳动力,同时有助于提高清洁能源技术的能源效率。 推广工作有助于一个高度多样化的研究小组和合作与榆树叉教育中心,以加强一般科学教育也是该项目的一部分。 弗朗西斯德苏扎教授的小组将解决几个科学挑战。 首先,分子内电荷转移复合物的吸收是否可以通过利用高度相互作用的强电子供体和强电子受体对而扩展到近红外区域或更远? 第二,纳米碳材料,如富勒烯,内嵌富勒烯和单壁碳纳米管可以用来增强这些分子内电荷转移复合物的近红外吸收和发射? 第三,附加的光敏剂是否能够在光激发时触发有效的超快电荷分离,从而导致电荷分离态?在多模块对称的分子内电荷转移复合物中是否观察到了诸如破环电荷转移等新颖的光化学事件? 最后,外部刺激可以用来调制这些分子内电荷转移复合物的基态和激发态电荷转移?该奖项反映了NSF的法定使命,并被认为是值得通过使用基金会的知识价值和更广泛的影响审查标准进行评估的支持。
项目成果
期刊论文数量(14)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Charge‐Transfer in Panchromatic Porphyrin‐Tetracyanobuta‐1,3‐Diene‐Donor Conjugates: Switching the Role of Porphyrin in the Charge Separation Process
全色卟啉中的电荷转移-四氰基丁-1,3-二烯-供体结合物:切换卟啉在电荷分离过程中的作用
- DOI:10.1002/chem.202102865
- 发表时间:2021
- 期刊:
- 影响因子:0
- 作者:Sekaran, Bijesh;Dawson, Andrew;Jang, Youngwoo;MohanSingh, Kusum V.;Misra, Rajneesh;D'Souza, Francis
- 通讯作者:D'Souza, Francis
Near‐IR Intramolecular Charge Transfer in Strongly Interacting Diphenothiazene‐TCBD and Diphenothiazene‐DCNQ Push‐Pull Triads
强相互作用联苯并噻嗪 – TCBD 和联苯并噻嗪 – DCNQ 推 – 拉三元组中的近红外分子内电荷转移
- DOI:10.1002/chem.202200348
- 发表时间:2022
- 期刊:
- 影响因子:0
- 作者:Yadav, Indresh S.;Jang, Youngwoo;Rout, Yogajivan;Thomas, Michael B.;Misra, Rajneesh;D'Souza, Francis
- 通讯作者:D'Souza, Francis
Photoinduced Charge Separation Prompted Intervalence Charge Transfer in a Bis(thienyl)diketopyrrolopyrrole Bridged Donor‐TCBD Push‐Pull System
双(噻吩基)二酮吡咯并吡咯桥桥供体 - TCBD 推 - 拉系统中光致电荷分离促进间隔电荷转移
- DOI:10.1002/anie.202108293
- 发表时间:2021
- 期刊:
- 影响因子:0
- 作者:Khan, Faizal;Jang, Youngwoo;Patil, Yuvraj;Misra, Rajneesh;D'Souza, Francis
- 通讯作者:D'Souza, Francis
Star-Shaped Triphenylamine–Tetracyanobutadiene–Phenothiazine Push–Pull Systems: Role of Terminal Phenothiazine in Improving Charge Transfer
- DOI:10.1021/acs.jpcc.2c03495
- 发表时间:2022-07
- 期刊:
- 影响因子:0
- 作者:Indresh Yadav;A. Alsaleh;B. Martin;R. Misra;F. D’Souza
- 通讯作者:Indresh Yadav;A. Alsaleh;B. Martin;R. Misra;F. D’Souza
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Hong Wang其他文献
HippocampusSubunit Expression in the Mouse Calcium Current Amplitude and Affect Calcium Glucocorticoids Specifically Enhance L-Type
小鼠海马亚基表达钙电流幅度并影响钙糖皮质激素特异性增强 L 型
- DOI:
- 发表时间:
2015 - 期刊:
- 影响因子:0
- 作者:
Yongjun Qin;S. Spijker;G. Smit;M. Joëls;Y. Yatomi;T. Fujita;Fumiko Kawakami;T. Shimosawa;S. Mu;Hong Wang;S. Ogura;R. Sarabdjitsingh;H. Karst - 通讯作者:
H. Karst
LTD and LTP induced by transcranial magnetic stimulation in auditory cortex
听觉皮层经颅磁刺激诱导的LTD和LTP
- DOI:
10.1097/00001756-199601310-00035 - 发表时间:
1996 - 期刊:
- 影响因子:1.7
- 作者:
Hong Wang;Xu Wang;H. Scheich - 通讯作者:
H. Scheich
On the Data-Driven Materials Innovation Infrastructure
论数据驱动的材料创新基础设施
- DOI:
10.1016/j.eng.2020.04.004 - 发表时间:
2020 - 期刊:
- 影响因子:0
- 作者:
Hong Wang;X. Xiang;Lanting Zhang - 通讯作者:
Lanting Zhang
Research on circuits detection system based on reverse simulation
基于逆向仿真的电路检测系统研究
- DOI:
- 发表时间:
2023 - 期刊:
- 影响因子:0
- 作者:
S. Qi;H. Zhao;Hong Wang;W. Quan;Min Chang;Minna Ge;Yong;Kunpeng Li;Xiaofang Lin - 通讯作者:
Xiaofang Lin
The internal strain effect on Tc in the YBaAlCu oxide superconductor
YBaAlCu氧化物超导体中内应变对Tc的影响
- DOI:
10.1002/pssa.2211090132 - 发表时间:
1988 - 期刊:
- 影响因子:0
- 作者:
Yuhuan Xu;Zhongrong Li;Chaorui Li;Xianduan Lin;Wu Li;Wanming Lao;Hong Wang;Guowei Chen - 通讯作者:
Guowei Chen
Hong Wang的其他文献
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{{ truncateString('Hong Wang', 18)}}的其他基金
CAS: Highly Interacting Panchromatic Push-Pull Systems: Symmetry Breaking and Quantum Coherence in Electron Transfer
CAS:高度交互的全色推拉系统:电子转移中的对称破缺和量子相干性
- 批准号:
2345836 - 财政年份:2024
- 资助金额:
$ 40.43万 - 项目类别:
Standard Grant
Oscillatory Integrals and Falconer's Conjecture
振荡积分和福尔科纳猜想
- 批准号:
2424015 - 财政年份:2024
- 资助金额:
$ 40.43万 - 项目类别:
Standard Grant
CAREER: Oscillatory Integrals and the Geometry of Projections
职业:振荡积分和投影几何
- 批准号:
2238818 - 财政年份:2023
- 资助金额:
$ 40.43万 - 项目类别:
Continuing Grant
Oscillatory Integrals and Falconer's Conjecture
振荡积分和福尔科纳猜想
- 批准号:
2055544 - 财政年份:2021
- 资助金额:
$ 40.43万 - 项目类别:
Standard Grant
Oscillatory Integrals and Falconer's Conjecture
振荡积分和福尔科纳猜想
- 批准号:
2141426 - 财政年份:2021
- 资助金额:
$ 40.43万 - 项目类别:
Standard Grant
Variable-Order Fractional Partial Differential Equations: Computation, Analysis, and Application
变阶分数阶偏微分方程:计算、分析与应用
- 批准号:
2012291 - 财政年份:2020
- 资助金额:
$ 40.43万 - 项目类别:
Standard Grant
Cooperative Enamine-Hard Metal Lewis Acid Catalysis for New Asymmetric Organic Transformations
烯胺-硬金属路易斯酸协同催化新的不对称有机转化
- 批准号:
1954422 - 财政年份:2020
- 资助金额:
$ 40.43万 - 项目类别:
Continuing Grant
NSF Career: Enamine-Metal Lewis Acid Bifunctional Catalysts for Asymmetric Organic Transformations
NSF 职业:用于不对称有机转化的烯胺-金属路易斯酸双功能催化剂
- 批准号:
1664708 - 财政年份:2016
- 资助金额:
$ 40.43万 - 项目类别:
Continuing Grant
Fractional Partial Differential Equations and Related Nonlocal Models: Fast Numerical Methods, Analysis, and Application
分数阶偏微分方程及相关非局部模型:快速数值方法、分析和应用
- 批准号:
1620194 - 财政年份:2016
- 资助金额:
$ 40.43万 - 项目类别:
Standard Grant
Development and analysis of fast numerical methods for fractional diffusion and advection-diffusion equations
分数扩散和平流扩散方程快速数值方法的开发和分析
- 批准号:
1216923 - 财政年份:2012
- 资助金额:
$ 40.43万 - 项目类别:
Standard Grant
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