CAREER: Rational Design of Dual-Functional Photocatalysts for Synthetic Reactions: Controlling Photosensitization and Reaction with a Single Nanocrystal

职业:用于合成反应的双功能光催化剂的合理设计:用单个纳米晶体控制光敏化和反应

基本信息

  • 批准号:
    2339866
  • 负责人:
  • 金额:
    $ 62.47万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2024
  • 资助国家:
    美国
  • 起止时间:
    2024-03-01 至 2029-02-28
  • 项目状态:
    未结题

项目摘要

With support from the Chemical Catalysis (CAT) program of the NSF Division of Chemistry, Dr. Chen Wang of the Department of Chemistry and Biochemistry at Queens College, City University of New York, is developing novel catalysts based on perovskite nanocrystals for utilizing light to efficiently synthesize organic chemicals that are essential in biomedical and pharmaceutical applications. The project will employ various spectroscopic methods to understand how photo-generated excited states in the nanocrystals can convert light energy and selectively promote the desired chemical processes on the nanocrystal surface. The project integrates synthetic chemistry, physical chemistry, materials science, and instrumentation development and hence will provide a multidisciplinary learning environment for students at all levels. Photochemical research will be introduced into the undergraduate curriculum to train students from diverse cultural backgrounds. Outreach activities, including photochemistry workshops and summer research camps, are planned to reach out to K-12 students and encourage a diverse, talented pool of students to consider pursuing studies in science, technology, engineering and mathematics fields.Photocatalytic synthesis has the potential to provide for streamlined, energy-efficient synthetic routes into useful molecules by providing novel bond construction manifolds. The proposed project will explore catalytic platforms with metal halide perovskite nanocrystals (PNCs) with the goals of achieving both efficient photosensitization and reaction control. The project will engineer the PNC surface will the goal of facilitating important synthetic reactions, such as cycloadditions and C-C coupling reactions, and with the goal of understanding the modified PNC surface through a combination of experimental and computational investigation. Surface photocatalytic processes will be tracked using a variety of ultrafast spectroscopic methods, including transient absorption, time-resolved photoluminescence, and time-resolved stimulated resonance Raman spectroscopy. This mechanistic study aims to reveal the relationship between the surface environment of PNCs and their catalytic performance to guide the rational design of novel photocatalysts based on semiconductor nanocrystals.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.
在美国国家科学基金会化学部化学催化(CAT)项目的支持下,纽约城市大学皇后学院化学与生物化学系王晨博士正在开发基于钙钛矿纳米晶体的新型催化剂,用于利用光有效合成生物医学和制药应用中必不可少的有机化学品。该项目将采用各种光谱方法来了解纳米晶体中光产生的激发态如何转换光能,并有选择地促进纳米晶体表面所需的化学过程。该项目整合了合成化学、物理化学、材料科学和仪器开发,因此将为各个层次的学生提供一个多学科的学习环境。光化学研究将引入本科课程,以培养来自不同文化背景的学生。计划开展包括光化学研讨会和暑期研究营在内的推广活动,以接触到K-12学生,并鼓励多样化的、有才华的学生考虑在科学、技术、工程和数学领域学习。光催化合成通过提供新颖的键结构流形,有可能提供流线型、高能效的合成路线,从而转化为有用的分子。该项目将探索金属卤化物钙钛矿纳米晶体(pnc)的催化平台,目标是实现高效光敏化和反应控制。该项目将设计PNC表面,其目标是促进重要的合成反应,如环加成和C-C偶联反应,并通过实验和计算研究的结合来理解修饰后的PNC表面。表面光催化过程将使用各种超快光谱方法进行跟踪,包括瞬态吸收,时间分辨光致发光和时间分辨受激共振拉曼光谱。该机制研究旨在揭示pnc表面环境与其催化性能之间的关系,以指导基于半导体纳米晶体的新型光催化剂的合理设计。该奖项反映了美国国家科学基金会的法定使命,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

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Chen Wang其他文献

Congruences for the (p-1)th Apery number
第 (p-1) 个 Apery 数的同余
Joint ABS Deployment and TBS Antenna Downtilt Optimization for Coverage Maximization
联合 ABS 部署和 TBS 天线下倾优化以实现覆盖范围最大化
  • DOI:
    10.1109/lwc.2022.3166625
  • 发表时间:
    2022-07
  • 期刊:
  • 影响因子:
    6.3
  • 作者:
    Huan Li;Daosen Zhai;Ruonan Zhang;Chen Wang;Xiao Tang
  • 通讯作者:
    Xiao Tang
Highly efficient photodimerization of the olefin in a nanotemplate on HOPG by scanning tunneling microscopy
通过扫描隧道显微镜对 HOPG 上纳米模板中的烯烃进行高效光二聚
  • DOI:
    10.1039/c4cp04154b
  • 发表时间:
    2014
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Jin-Dong Xue;Jing Xu;FangYun Hu;LingYan Liao;Min Li;WuBiao Duan;Qing-Dao Zeng;Chen Wang
  • 通讯作者:
    Chen Wang
Relationships between two kinds of MSP in China
我国两种MSP的关系
  • DOI:
    10.1108/maem-12-2019-0013
  • 发表时间:
    2020-10
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Honghao Tang;Qi Yue;Chen Wang;Lingling Zhou;Jing Yu;Wen Wu;Ruoyan Feng;Chen Ma
  • 通讯作者:
    Chen Ma
A Decentralized Method for Scaling Up Genome Similarity Search Services
扩大基因组相似性搜索服务的分散方法

Chen Wang的其他文献

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{{ truncateString('Chen Wang', 18)}}的其他基金

CAREER: Investigating and Combating Micro Signal Attacks in Video Conferencing
职业:调查和打击视频会议中的微信号攻击
  • 批准号:
    2337845
  • 财政年份:
    2024
  • 资助金额:
    $ 62.47万
  • 项目类别:
    Continuing Grant
SaTC: CORE: Small: Enabling Mobile Users to Solve Privacy Issues with Their Own Hands Unobtrusively based on Gripping Hand Sensing
SaTC:核心:小型:使移动用户能够基于抓握手部感应,用自己的双手不引人注意地解决隐私问题
  • 批准号:
    2155131
  • 财政年份:
    2022
  • 资助金额:
    $ 62.47万
  • 项目类别:
    Standard Grant

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职业:一维接触到二维原子薄异质结构的合理设计,用于高性能和低噪声场效应晶体管和生物传感器
  • 批准号:
    2145962
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  • 批准号:
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职业:羰基化反应纳米多孔催化剂的合理设计
  • 批准号:
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  • 财政年份:
    2022
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  • 批准号:
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职业:非血红素铁卤化酶的合理设计
  • 批准号:
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  • 财政年份:
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  • 资助金额:
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职业:合理设计缺氧钙钛矿中的缺陷有序结构以控制析氧活性
  • 批准号:
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  • 财政年份:
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  • 财政年份:
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