Channeling Excited States Towards New Productive Photochemical Pathways
将激发态引导至新的高效光化学途径
基本信息
- 批准号:2350308
- 负责人:
- 金额:$ 51.9万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2024
- 资助国家:美国
- 起止时间:2024-08-01 至 2027-07-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
With support from the Chemical Structure, Dynamics and Mechanism-B (CSDM-B) program, Professor Jayaraman Sivaguru and his group at Bowling Green State University aim to discover new and productive photochemical pathways which result from the selective modification of chemical structure. These new photoreactions are designed to have applications in sustainable chemical synthesis. Photochemistry is the science of chemical reactions that are initiated by light, and which proceed through highly energetic excited states. The proposed investigations will enable training of students in concepts related to photochemistry, photophysics and physical organic chemistry and intellectually impact their understanding related to synthesis, nanoscience, and materials science. This research program integrates scientific research with educational training and outreach through engagement and collaboration. Professor Sivaguru and his team will continue to engage in a myriad of outreach activities that go beyond academics and scientific training. These outreach activities include the PICNICS (Parents Involvement with Children, Nurturing Intellectual Curiosity in Science) program, and engaging the community through the Saturday Seminar Series that has both national and international reach. The PICNICS program is conducted in collaboration with northwest Ohio high schools, engaging high school students through summer internships to positively influence their undergraduate career path.This project aspires to foster creativity by uncovering new photochemical reactions. This will be done by channeling excited state reactivity through the exploitation of photochemical principles to (i) uncover novel reactivity that is unique to photoreactions; (ii) employ modern photochemical/photophysical tools to in an effort to develop comprehensive knowledge about excited state processes; and (iii) explore the importance of dynamics and lifetimes of excited states, as well as the stability of transient intermediates. Structural modification is designed to uncover new photoreactivity, achieve regio-, stereo- and chemoselectivity and lead to a more comprehensive mechanistic model. All the above strategies seek to unearth new excited state pathways/reactivity are grounded in well- established photochemical principles. Realizing the full potential of the proposed strategies rely on juxtaposing the delicate balance between dynamics and lifetimes of the excited states with molecular features that transpire as photochemical control of reactivity.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.
在化学结构、动力学和机理-B (CSDM-B) 项目的支持下,鲍林格林州立大学的 Jayaraman Sivaguru 教授和他的团队旨在发现通过化学结构的选择性修饰而产生的新的、高效的光化学途径。这些新的光反应旨在在可持续化学合成中应用。 光化学是一门由光引发并通过高能激发态进行的化学反应的科学。拟议的研究将能够对学生进行光化学、光物理学和物理有机化学相关概念的培训,并在智力上影响他们对合成、纳米科学和材料科学相关的理解。该研究计划通过参与和协作将科学研究与教育培训和推广相结合。西瓦古鲁教授和他的团队将继续从事学术和科学培训之外的大量外展活动。这些外展活动包括 PICNICS(家长与孩子一起参与、培养对科学的求知欲)计划,以及通过具有国内和国际影响力的周六系列研讨会吸引社区参与。 PICNICS 项目是与俄亥俄州西北部高中合作开展的,让高中生通过暑期实习来积极影响他们的本科生职业道路。该项目旨在通过发现新的光化学反应来培养创造力。这将通过利用光化学原理来引导激发态反应性来实现,以(i)发现光反应特有的新颖反应性; (ii) 采用现代光化学/光物理工具来努力发展有关激发态过程的全面知识; (iii) 探索激发态动力学和寿命以及瞬态中间体稳定性的重要性。 结构修饰旨在发现新的光反应性,实现区域选择性、立体选择性和化学选择性,并产生更全面的机制模型。所有上述策略都试图发掘新的激发态途径/反应性,这些策略都基于完善的光化学原理。实现所提出策略的全部潜力依赖于将激发态的动力学和寿命与作为反应性的光化学控制而发生的分子特征并置。该奖项反映了 NSF 的法定使命,并通过使用基金会的智力价值和更广泛的影响审查标准。
项目成果
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Jayaraman Sivaguru其他文献
Near-visible light active biomass derived benzoin photoinitiators for energy curing applications
- DOI:
10.1039/d3py01029e - 发表时间:
2024-02 - 期刊:
- 影响因子:4.6
- 作者:
Ravichandranath Singathi;Sruthy Baburaj;Jayachandran Parthiban;Gregory T. Carroll;Steffen Jockusch;Jayaraman Sivaguru - 通讯作者:
Jayaraman Sivaguru
Synthesis of silicon quantum dots using cyclohexasilane (Si6H12)
- DOI:
10.1039/c6tc01435f - 发表时间:
2016-07 - 期刊:
- 影响因子:6.4
- 作者:
Srinivasan Guruvenket;Justin M. Hoey;Kenneth J. Anderson;Matthew T. Frohlich;Retheesh Krishnan;Jayaraman Sivaguru;Mukund P. Sibi;Philip Boudjouk - 通讯作者:
Philip Boudjouk
A photo-auxiliary approach – enabling excited state classical phototransformations with metal free visible light irradiation
- DOI:
10.1039/c6cc09261f - 发表时间:
2017-01 - 期刊:
- 影响因子:4.9
- 作者:
Akila Iyer;Steffen Jockusch;Jayaraman Sivaguru - 通讯作者:
Jayaraman Sivaguru
Conjugate addition from the excited state
- DOI:
10.1039/c8cc05924a - 发表时间:
2018-09 - 期刊:
- 影响因子:4.9
- 作者:
Akila Iyer;Sapna Ahuja;Steffen Jockusch;Angel Ugrinov;Jayaraman Sivaguru - 通讯作者:
Jayaraman Sivaguru
Manipulating excited state reactivity and selectivity through hydrogen bonding – from solid state reactivity to Brønsted acid photocatalysis
- DOI:
10.1039/d1cc06128c - 发表时间:
2021-12 - 期刊:
- 影响因子:4.9
- 作者:
Sruthy Baburaj;Lakshmy Kannadi Valloli;Jayachandran Parthiban;Dipti Garg;Jayaraman Sivaguru - 通讯作者:
Jayaraman Sivaguru
Jayaraman Sivaguru的其他文献
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{{ truncateString('Jayaraman Sivaguru', 18)}}的其他基金
I-Corps: Enhanced Radiation Curing From Plant Derived Materials
I-Corps:植物源材料的增强辐射固化
- 批准号:
2228848 - 财政年份:2022
- 资助金额:
$ 51.9万 - 项目类别:
Standard Grant
I-Corps: Enhanced Radiation Curing From Plant Derived Materials
I-Corps:植物源材料的增强辐射固化
- 批准号:
2228848 - 财政年份:2022
- 资助金额:
$ 51.9万 - 项目类别:
Standard Grant
CAS: ENFORCING EXCITED STATE REACTIVITY BY ALTERING CHROMOPHORE CHARACTERISTICS
CAS:通过改变发色团特性来增强激发态反应性
- 批准号:
1955524 - 财政年份:2020
- 资助金额:
$ 51.9万 - 项目类别:
Standard Grant
Manipulating photochemical reactivity through restricted bond rotations
通过限制键旋转操纵光化学反应性
- 批准号:
1811795 - 财政年份:2017
- 资助金额:
$ 51.9万 - 项目类别:
Standard Grant
Manipulating photochemical reactivity through restricted bond rotations
通过限制键旋转操纵光化学反应性
- 批准号:
1465075 - 财政年份:2015
- 资助金额:
$ 51.9万 - 项目类别:
Standard Grant
Light Induced Enantiospecific Chiral Transfer In Solution
溶液中的光诱导对映特异性手性转移
- 批准号:
1213880 - 财政年份:2012
- 资助金额:
$ 51.9万 - 项目类别:
Standard Grant
CAREER: Imprinting Molecular Chirality In Solution During Photo-Transformations
职业:在光转换过程中在溶液中印记分子手性
- 批准号:
0748525 - 财政年份:2008
- 资助金额:
$ 51.9万 - 项目类别:
Continuing Grant
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