Substrate-Enhanced reactivity of pristine graphene in cycloaddition reactions

原始石墨烯在环加成反应中的基质增强反应性

基本信息

  • 批准号:
    1808671
  • 负责人:
  • 金额:
    $ 36万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2018
  • 资助国家:
    美国
  • 起止时间:
    2018-08-01 至 2022-07-31
  • 项目状态:
    已结题

项目摘要

Professors Mingdi Yan and Lawrence Wolf of the University of Massachusetts Lowell are supported by the Macromolecular, Supramolecular, and Nanochemistry (MSN) Program of the Division of Chemistry to develop experimental and computationally guided approaches to enhance the reactivity of pristine graphene (a defect-free single layer, two-dimensional carbon material). The integration of theory with experiment provides a comprehensive, fundamental understanding of the reactions leading to the acceleration of discovery. The results have a direct impact on the practical utilization of this material, which exhibit extraordinary mechanical, electrical and thermal properties. Pristine graphene has the potential to impact many technologically important applications, such as in display screens, nanoelectronics, solar cells, and various others. Pristine graphene offers advantages over other forms of graphene, which are either oxidized or contain many defects. The computational modeling techniques used are incorporated in the curriculum of new computational chemistry courses offered to both undergraduate and graduate students. The students involved in the project receive training in research planning and evaluation through individualized development plans. Under-represented and female undergraduate students are recruited to participate in the project. This project aims to expand the chemical space of pristine graphene. Specifically, the impacts of substrate and interface on the reactivity of pristine graphene in cycloaddition reactions is investigated both experimentally and computationally. Pristine graphene is fabricated on different surfaces by chemical vapor deposition or by transfer. Cycloaddition reactions, with initial focus on the (2+1) cycloaddition with perfluoroaryl azides, are carried out and the products are characterized. The study aims to shed light on the relationship between the reactivity of graphene and its supporting substrate interface. The reactivity of pristine graphene in other cycloaddition reactions is also a subject of this investigation. The theoretical underpinnings of the cycloaddition substrate/reactivity relationships with pristine graphene is established using density functional theory through the development and application of modern reactivity models. Pristine graphene is fairly inert chemically due to the large resonance stabilization resulting from the delocalization of its conjugated pi electrons over the entire two-dimensional network. Overcoming these inherent reactivity challenges offers the ability to introduce into pristine graphene well-defined functionalities. Other benefits include modulating graphene solubility and bandgap, and enabling its integration into high performance composite materials and devices.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.
马萨诸塞州洛厄尔大学的严明迪教授和劳伦斯·沃尔夫教授得到了化学系大分子、超分子和纳米化学(MSN)项目的支持,以开发实验和计算指导的方法来增强原始石墨烯(一种无缺陷的单层二维碳材料)的反应性。 理论与实验的结合提供了对导致加速发现的反应的全面,基本的理解。 结果对这种材料的实际应用有直接影响,这种材料具有非凡的机械,电气和热性能。 原始石墨烯有可能影响许多技术上重要的应用,例如显示屏,纳米电子学,太阳能电池等。 原始石墨烯提供了优于其他形式的石墨烯的优势,这些石墨烯要么被氧化,要么含有许多缺陷。 所使用的计算建模技术被纳入新的计算化学课程提供给本科生和研究生的课程。参与该项目的学生通过个性化的发展计划接受研究规划和评估方面的培训。招募代表性不足的女大学生参加该项目。该项目旨在扩大原始石墨烯的化学空间。具体而言,在实验和计算两方面研究了基底和界面对原始石墨烯在环加成反应中的反应性的影响。原始石墨烯通过化学气相沉积或转移在不同表面上制造。环加成反应,与全氟芳基叠氮化合物的(2+1)环加成反应,进行和产品的特点。 该研究旨在阐明石墨烯的反应性与其支撑基底界面之间的关系。 原始石墨烯在其他环加成反应中的反应性也是本研究的主题。 使用密度泛函理论通过现代反应性模型的开发和应用建立了与原始石墨烯的环加成底物/反应性关系的理论基础。 原始石墨烯在化学上是相当惰性的,这是由于其共轭π电子在整个二维网络上的离域导致的大的共振稳定性。克服这些固有的反应性挑战提供了向原始石墨烯中引入明确定义的官能团的能力。 该奖项反映了NSF的法定使命,并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,被认为值得支持。

项目成果

期刊论文数量(11)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Removing contaminants from transferred CVD graphene
  • DOI:
    10.1007/s12274-020-2671-6
  • 发表时间:
    2020-02
  • 期刊:
  • 影响因子:
    9.9
  • 作者:
    Xiaojiang Yang;Mingdi Yan
  • 通讯作者:
    Xiaojiang Yang;Mingdi Yan
Carbohydrate Functionalization of Few-Layer Graphene through Microwave-Assisted Reaction of Perfluorophenyl Azide
全氟苯基叠氮化物微波辅助反应对少层石墨烯进行碳水化合物功能化
  • DOI:
    10.1021/acsabm.8b00597
  • 发表时间:
    2019-01-22
  • 期刊:
  • 影响因子:
    4.7
  • 作者:
    Kong, Na;Park, JaeHyeung;Yan, Mingdi
  • 通讯作者:
    Yan, Mingdi
Using metal substrates to enhance the reactivity of graphene towards Diels–Alder reactions
使用金属基底增强石墨烯对狄尔斯-阿尔德反应的反应活性
  • DOI:
    10.1039/d2cp01842j
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    3.3
  • 作者:
    Yang, Xiaojian;Chen, Feiran;Kim, Min A.;Liu, Haitao;Wolf, Lawrence M.;Yan, Mingdi
  • 通讯作者:
    Yan, Mingdi
Synthesis of Carbohydrate-Grafted Glycopolymers Using a Catalyst-Free, Perfluoroarylazide-Mediated Fast Staudinger Reaction
  • DOI:
    10.3390/molecules24010157
  • 发表时间:
    2019-01
  • 期刊:
  • 影响因子:
    4.6
  • 作者:
    William Ndugire;Bin Wu;Mingdi Yan
  • 通讯作者:
    William Ndugire;Bin Wu;Mingdi Yan
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Mingdi Yan其他文献

Synthesis of Glyconanomaterials via Photo-Initiated Coupling Chemistry
通过光引发偶联化学合成聚糖纳米材料
  • DOI:
    10.1021/bk-2011-1091.ch004
  • 发表时间:
    2011
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Xin Wang;Oscar Norberg;Lingquan Deng;O. Ramström;Mingdi Yan
  • 通讯作者:
    Mingdi Yan
Coulomb-Blockade Dominated Transport in Patterned Gold-Cluster Structures
图案化金团簇结构中库仑封锁主导的输运
  • DOI:
    10.1143/jjap.36.7796
  • 发表时间:
    1997
  • 期刊:
  • 影响因子:
    1.5
  • 作者:
    M. Wybourne;L. Clarke;Mingdi Yan;S. Cai;Leif O. Brown;J. Hutchison;J. Keana
  • 通讯作者:
    J. Keana
Enzyme- and ruthenium-catalyzed dynamic kinetic resolution involving cascade alkoxycarbonylations for asymmetric synthesis of 5-Substituted N-Aryloxazolidinones
酶和钌催化的动态动力学拆分涉及级联烷氧基羰基化,用于 5-取代的 N-芳基恶唑烷酮的不对称合成
  • DOI:
    10.1016/j.mcat.2019.03.020
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    4.6
  • 作者:
    Yang Zhang;Sheng Xie;Mingdi Yan;O. Ramström
  • 通讯作者:
    O. Ramström
Covalent functionalization of natural rubber latex
  • DOI:
    10.1016/s1381-5148(00)00021-3
  • 发表时间:
    2000-09
  • 期刊:
  • 影响因子:
    5.1
  • 作者:
    Mingdi Yan
  • 通讯作者:
    Mingdi Yan
Photochemical Reactions of Poly(4-vinylphenol) Thin Films
聚(4-乙烯基苯酚)薄膜的光化学反应
  • DOI:
  • 发表时间:
    2010
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Suji Uppalapati;S. Chada;M. Engelhard;Mingdi Yan
  • 通讯作者:
    Mingdi Yan

Mingdi Yan的其他文献

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{{ truncateString('Mingdi Yan', 18)}}的其他基金

The Role of Substrate in Accelerating the Reactivity of Graphene in Diels Alder Reactions
底物在加速狄尔斯阿尔德反应中石墨烯反应活性中的作用
  • 批准号:
    2305006
  • 财政年份:
    2023
  • 资助金额:
    $ 36万
  • 项目类别:
    Standard Grant
Derivatization of Pristine Graphene with Well-Defined Chemical Functionalities
具有明确化学功能的原始石墨烯的衍生化
  • 批准号:
    1112436
  • 财政年份:
    2011
  • 资助金额:
    $ 36万
  • 项目类别:
    Standard Grant
U.S.-Sweden Cooperative Research: Microfabricated Receptors by Combinatorial Imprinting in Aqueous Media
美国-瑞典合作研究:通过水介质中的组合印迹微加工受体
  • 批准号:
    0122964
  • 财政年份:
    2002
  • 资助金额:
    $ 36万
  • 项目类别:
    Standard Grant

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