GOALI: Correlated atomic scale STEM and X-ray synchrotron methods for understanding structure-property relationships of supported nanocluster catalysts

GOALI:相关原子尺度 STEM 和 X 射线同步加速器方法,用于了解负载型纳米团簇催化剂的结构-性能关系

基本信息

  • 批准号:
    0500511
  • 负责人:
  • 金额:
    $ 34万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2006
  • 资助国家:
    美国
  • 起止时间:
    2006-04-01 至 2010-03-31
  • 项目状态:
    已结题

项目摘要

AbstractProposal Title: GOALI: Correlated atomic scale STEM and X-ray synchrotron methods for understanding structure-property relationships of supported nanocluster catalysts Proposal Number: CTS-0500511Principal Investigator: Nigel BrowningInstitution: University of California-DavisAnalysis (rationale for decision):Although catalysis is the longest standing application of nanotechnology, the complex mechanisms controlling many reactions are still not fully understood. The development of models to engineer catalysts on the nanoscale holds great promise for the use of catalysts in manufacturing, energy conversion, and environmental quality. As the important reaction sites for many catalysts are related to metal clusters that range in size from single atoms up to a few nanometers, the key first step in the development of an understanding of catalysis requires the ability to characterize the metal clusters on the atomic scale. This GOALI project will use advanced techniques in both electron microscopy and with synchrotron radiation to determine the shape, size distribution, composition, chemical valence state, and metal-support interactions in a variety of precisely synthesized catalyst systems. The microscopy aspect of this research will make use of newly developed instruments that are particularly suited to the analysis of small metal clusters. These instruments feature an aberration corrector that will take spatial resolution down below 0.1 nm, a monochromator that will take the spectral resolution down below 0.2 eV, and an in-situ stage that will permit samples to be analyzed in 3-D while maintained under a gaseous environment. To ensure that this research has broad applicability to the catalysis community, it will be performed with two industrial partners, ExxonMobil and Monsanto. These collaborators will supply samples, provide guidance on the requirements for industrial-scale catalysts, and play an active role in co-advising the graduate students. This interaction with students on this program will be further enhanced through internships and collaborative meetings, thereby helping to educate the next generation of scientists in the application of advanced characterization techniques to the study of heterogeneous catalysis. These broader impacts are part of a larger interdisciplinary program at UC Davis: Nanomaterials in the Environment, Agriculture, and Technology (NEAT), which provides a focus for education and outreach programs in all aspects of the nanosciences.
摘要提案题目:目标:相关原子尺度的STEM和x射线同步加速器方法来理解负载纳米簇催化剂的结构-性质关系提案号:cts -0500511首席研究员:Nigel browning机构:加州大学戴维斯分校分析(决策的理由):虽然催化是纳米技术最长久的应用,但控制许多反应的复杂机制仍未完全理解。纳米级催化剂工程模型的发展为催化剂在制造、能量转换和环境质量方面的应用带来了巨大的希望。由于许多催化剂的重要反应位点与金属团簇有关,这些金属团簇的大小从单个原子到几纳米不等,因此了解催化作用的关键第一步需要能够在原子尺度上表征金属团簇。这个GOALI项目将使用电子显微镜和同步辐射的先进技术来确定各种精确合成催化剂体系中的形状、尺寸分布、组成、化学价态和金属-载体相互作用。本研究的显微镜方面将利用新开发的仪器,特别适合分析小金属团簇。这些仪器具有像差校正器,其空间分辨率低于0.1 nm,单色仪,其光谱分辨率低于0.2 eV,以及原位级,允许样品在气体环境下进行三维分析。为了确保这项研究对催化界具有广泛的适用性,它将与两个工业合作伙伴埃克森美孚和孟山都一起进行。这些合作者将提供样品,对工业规模催化剂的要求提供指导,并在共同指导研究生方面发挥积极作用。通过实习和合作会议,将进一步加强与该项目学生的互动,从而帮助教育下一代科学家将先进的表征技术应用于多相催化的研究。这些更广泛的影响是加州大学戴维斯分校一个更大的跨学科项目的一部分:环境、农业和技术中的纳米材料(NEAT),该项目为纳米科学各个方面的教育和推广项目提供了重点。

项目成果

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Nigel Browning其他文献

Energetics of CdS<sub><em>x</em></sub>Se<sub>1−<em>x</em></sub> quantum dots in borosilicate glasses
  • DOI:
    10.1016/j.jnoncrysol.2007.05.008
  • 发表时间:
    2007-09-15
  • 期刊:
  • 影响因子:
  • 作者:
    Riham M. Morcos;Christoph Mitterbauer;Nigel Browning;Subhash Risbud;Alexandra Navrotsky
  • 通讯作者:
    Alexandra Navrotsky
Helium bubbles in Gdmath xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si3.svg" class="math"mrowmsubmrow/mrowmn2/mn/msubmtextTi/mtextmsubmrow/mrowmn2/mn/msubmi mathvariant="normal"O/mimsubmrow/mrowmn7/mn/msub/mrow/math borosilicate glass-ceramic composites
钆镓石榴石中的氦气泡 xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si3.svg" class="math" mrow msub mrow/mrow mn2/mn/msub mtext Ti/mtext msub mrow/mrow mn2/mn/msub mi mathvariant="normal" O/mimsub mrow/mrow mn7/mn/msub/mrow/math 硼硅酸盐玻璃陶瓷复合材料
  • DOI:
    10.1016/j.jnucmat.2023.154424
  • 发表时间:
    2023-08-01
  • 期刊:
  • 影响因子:
    3.200
  • 作者:
    Menghan Jiang;Anamul Haq Mir;Mounib Bahri;Yingjie Zhang;Nigel Browning;Karl Whittle;Maulik Patel
  • 通讯作者:
    Maulik Patel
Microstructural evolution of protective La–Cr–O films studied by transmission electron microscopy
  • DOI:
    10.1007/s10008-006-0138-7
  • 发表时间:
    2006-04-11
  • 期刊:
  • 影响因子:
    2.600
  • 作者:
    Miaofang Chi;Nigel Browning;Nina Orlovskaya
  • 通讯作者:
    Nina Orlovskaya

Nigel Browning的其他文献

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{{ truncateString('Nigel Browning', 18)}}的其他基金

An Aberration Corrected STEM with Integrated Science Driven AI to Quantify Dynamic Functionality in Advanced Energy Technologies and Biomaterials
利用综合科学驱动的 AI 进行像差校正 STEM,以量化先进能源技术和生物材料的动态功能
  • 批准号:
    EP/V05385X/1
  • 财政年份:
    2021
  • 资助金额:
    $ 34万
  • 项目类别:
    Research Grant
Frontiers of Electron Microscopy in Materials Science: FEMMS Conference; Sonoma, CA; September 23-28, 2007
材料科学电子显微镜前沿:FEMMS 会议;
  • 批准号:
    0737745
  • 财政年份:
    2007
  • 资助金额:
    $ 34万
  • 项目类别:
    Standard Grant
GOALI: Investigating the Defect Structures in Superconducting Materials for Power and Electronic Applications
GOALI:研究电力和电子应用超导材料的缺陷结构
  • 批准号:
    0457660
  • 财政年份:
    2005
  • 资助金额:
    $ 34万
  • 项目类别:
    Continuing Grant
Acquisition of an Atomic Resolution TEM for Advanced Analysis of Nanomaterials in the Environment, Agriculture and Technology (NEAT)
获取原子分辨率 TEM,用于环境、农业和技术中纳米材料的高级分析 (NEAT)
  • 批准号:
    0321356
  • 财政年份:
    2003
  • 资助金额:
    $ 34万
  • 项目类别:
    Standard Grant
Collaborative: Reliability of Ferroelectric Thin Films: A Systematic Study of Point Defect Phenomena and Local Electronic Structure Effects
合作:铁电薄膜的可靠性:点缺陷现象和局域电子结构效应的系统研究
  • 批准号:
    0335364
  • 财政年份:
    2003
  • 资助金额:
    $ 34万
  • 项目类别:
    Continuing Grant
Collaborative: Reliability of Ferroelectric Thin Films: A Systematic Study of Point Defect Phenomena and Local Electronic Structure Effects
合作:铁电薄膜的可靠性:点缺陷现象和局域电子结构效应的系统研究
  • 批准号:
    0212829
  • 财政年份:
    2002
  • 资助金额:
    $ 34万
  • 项目类别:
    Continuing Grant
CAREER: Atomic Mechanisms at Interfaces and Defects in Semiconducting Materials
职业:半导体材料界面和缺陷的原子机制
  • 批准号:
    9733895
  • 财政年份:
    1998
  • 资助金额:
    $ 34万
  • 项目类别:
    Continuing Grant
Determination of Atomic Scale Structure Property Relationships in High-Temperature Superconductors for Power Transmission Applications
电力传输应用高温超导体原子尺度结构特性关系的确定
  • 批准号:
    9803021
  • 财政年份:
    1998
  • 资助金额:
    $ 34万
  • 项目类别:
    Continuing Grant
Acquisition of an Atomic Resolution Scanning Transmission Electron Microscope
获得原子分辨率扫描透射电子显微镜
  • 批准号:
    9601792
  • 财政年份:
    1996
  • 资助金额:
    $ 34万
  • 项目类别:
    Standard Grant
Transport Characteristics of BSCCO (2223) Superconducting Wires: From the Macroscopic to the Atomic Scale
BSCCO (2223) 超导线材的输运特性:从宏观到原子尺度
  • 批准号:
    9503877
  • 财政年份:
    1995
  • 资助金额:
    $ 34万
  • 项目类别:
    Continuing Grant

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