Collaborative Research: Operando Three-Dimensional Super-Resolution Imaging of Catalytic Events in Porous Nanocatalysts
合作研究:多孔纳米催化剂催化事件的操作三维超分辨率成像
基本信息
- 批准号:1607305
- 负责人:
- 金额:$ 25万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-07-01 至 2020-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
With support from the Chemical Measurement and Imaging Program and the Catalysis Program in the Division of Chemistry, Professor Ning Fang of Georgia State University and Professor Wenyu Huang of Iowa State University are developing a three dimensional super-resolution imaging technique for understanding molecular movement and reactivity in nanopores at the single-molecule level. Highly tunable core-shell structures with well-defined geometry and manageable complexity are designed and synthesized, and then visualized under the optical imaging systems. The in situ 3D imaging capability of the proposed microscopes makes them valuable characterization techniques complementary to other conventional methods, such as electron microscopy and atomic force microscopy. Both teams are also designing single molecule imaging experiments to study multi-step catalytic reactions, in which two or more chemical transformations are catalyzed with a nanoscale-engineered multifunctional catalyst to avoid the need for separation, purification, and transfer of intermediates produced in each step. Graduate and undergraduate students in these two institutions acquire valuable skills in building catalytic nanostructures and in developing new instrumental capabilities to understand molecular transport and catalysis at the single-molecule level. High school students in the Atlanta and Ames area are exposed to the concepts of imaging, nanoscience, and catalysis to enhance STEM education in high schools. In this work well-defined heterogeneous catalytic systems, whereby colloidal nanoparticles are embedded within core-shell mesoporous silica materials of aligned channels, are developed. Single molecule trajectories with nanometer resolution are acquired to elucidate the effects of pore size, length, orientation, and surface ligands on molecular transport and conversion. New experimental insights on transport in nanoscale confinement acquired with the model core-shell porous structures can be generalized to guide the development of porous materials for separation and catalysis. The long-term objective for this research is to use the knowledge acquired using the imaging technique on the platform catalysis system to guide our future catalyst design for a wide range of chemical transformations.
在化学测量和成像计划和化学系催化计划的支持下,格鲁吉亚州立大学的Ning Fang教授和爱荷华州州立大学的Wenyu Huang教授正在开发一种三维超分辨率成像技术,用于在单分子水平上了解纳米孔中的分子运动和反应性。高度可调的核-壳结构具有明确的几何形状和可管理的复杂性的设计和合成,然后可视化的光学成像系统。建议的显微镜的原位3D成像能力,使他们有价值的表征技术的补充,其他传统的方法,如电子显微镜和原子力显微镜。这两个团队还设计了单分子成像实验来研究多步催化反应,其中两个或多个化学转化用纳米级工程多功能催化剂催化,以避免需要分离,纯化和转移每个步骤中产生的中间体。这两个机构的研究生和本科生获得了构建催化纳米结构和开发新的仪器能力以了解单分子水平的分子传输和催化的宝贵技能。亚特兰大和艾姆斯地区的高中生接触到成像,纳米科学和催化的概念,以加强高中的STEM教育。在这项工作中,定义明确的多相催化系统,其中胶体纳米粒子嵌入在核壳介孔二氧化硅材料的对齐通道,开发。单分子轨迹与纳米分辨率获得阐明的影响,孔径,长度,取向,和表面配体上的分子传输和转换。新的实验见解与模型核壳多孔结构获得的纳米级约束的运输可以概括为指导多孔材料的分离和催化的发展。这项研究的长期目标是利用平台催化系统上使用成像技术获得的知识来指导我们未来的催化剂设计,用于广泛的化学转化。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Sub-4 nm PtZn Intermetallic Nanoparticles for Enhanced Mass and Specific Activities in Catalytic Electrooxidation Reaction
- DOI:10.1021/jacs.6b12780
- 发表时间:2017-04-05
- 期刊:
- 影响因子:15
- 作者:Qi, Zhiyuan;Xiao, Chaoxian;Huang, Wenyu
- 通讯作者:Huang, Wenyu
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Wenyu Huang其他文献
Aerobic oxidation of C-H bond under ambient conditions using highly dispersed Co-N over highly porous N-doped carbon
在环境条件下使用高度分散的 Co-N 在高度多孔的 N 掺杂碳上进行 C-H 键的有氧氧化
- DOI:
10.1039/c8gc03653e - 发表时间:
- 期刊:
- 影响因子:9.8
- 作者:
Renfeng Nie;Jingwen Chen;Minda Chen;Zhiyuan Qi;Tian-Wei Goh;Tao Ma;Lin Zhou;Yuchen Pei;Wenyu Huang - 通讯作者:
Wenyu Huang
Structure and large-scale organization of extreme cold wave events over the Chinese mainland during the boreal cold season
北寒季中国大陆极端寒潮事件的结构和大范围组织
- DOI:
10.1029/2021jd035005 - 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
Leying Zhang;Zuowei Xie;Yi Deng;Wenyu Huang - 通讯作者:
Wenyu Huang
Other Pituitary Disorders and Kidney Disease
其他垂体疾病和肾脏疾病
- DOI:
10.1007/978-3-319-97765-2_22 - 发表时间:
2019 - 期刊:
- 影响因子:0
- 作者:
Wenyu Huang;M. Molitch - 通讯作者:
M. Molitch
1,25(OH)2D3 treatment attenuate high glucose-induced peritoneal EMT in mouse
1,25(OH)2D3 治疗可减弱高糖诱导的小鼠腹膜 EMT
- DOI:
- 发表时间:
- 期刊:
- 影响因子:3.4
- 作者:
Yi Fan;Xiuli Zhang;Wenyu Huang;Jianfei Ma - 通讯作者:
Jianfei Ma
Encapsulation of Nonprecious Metal into Ordered Mesoporous N‑Doped Carbon for Efficient Quinoline Transfer Hydrogenation with Formic Acid
将非贵金属封装到有序介孔 N 掺杂碳中,用于甲酸高效喹啉转移氢化
- DOI:
- 发表时间:
2018 - 期刊:
- 影响因子:12.9
- 作者:
Guoqiang Li;Huanhuan Yang;Haifu Zhang;Zhiyuan Qi;Minda Chen;Wei Hu;Lihong Tian;Renfeng Nie;Wenyu Huang - 通讯作者:
Wenyu Huang
Wenyu Huang的其他文献
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{{ truncateString('Wenyu Huang', 18)}}的其他基金
CAS: Collaborative Research: Processive Ring-Opening Metathesis Polymerization Through Molecularly Confined Catalysts
CAS:合作研究:通过分子限域催化剂进行开环易位聚合
- 批准号:
2304898 - 财政年份:2023
- 资助金额:
$ 25万 - 项目类别:
Standard Grant
Collaborative Research: Continuous-Flow Hyperpolarization of Liquids Utilizing Parahydrogen and Heterogeneous Catalysis
合作研究:利用仲氢和多相催化的液体连续流超极化
- 批准号:
2108307 - 财政年份:2021
- 资助金额:
$ 25万 - 项目类别:
Standard Grant
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Cell Research
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Cell Research (细胞研究)
- 批准号:30824808
- 批准年份:2008
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Research on the Rapid Growth Mechanism of KDP Crystal
- 批准号:10774081
- 批准年份:2007
- 资助金额:45.0 万元
- 项目类别:面上项目
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