Optical and electrochemical properties of metallic nanostructures

金属纳米结构的光学和电化学性质

基本信息

  • 批准号:
    238407-2007
  • 负责人:
  • 金额:
    $ 3.75万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2007
  • 资助国家:
    加拿大
  • 起止时间:
    2007-01-01 至 2008-12-31
  • 项目状态:
    已结题

项目摘要

The main objective of our program is to understand processes involving molecules adsorbed at metal nanostructures. The approach requires the combination of electrochemical and spectroscopic methods. Electrochemistry is used to drive and control the molecular processes. "In situ" spectroscopy is used to identify the surface species and infer their orientation. Nanostructured Au, Ag and Cu surfaces are of particular interest, because they can support surface plasmon waves at metal-dielectric interface. Surface plasmon resonances lead to intense nanoscale focusing of the light field, know as hot spots. This enhanced local electromagnetic field is translated into an extremely increase in the spectroscopic response for molecules adsorbed in the hot spots. This is phenomenological basis for a series of enhanced spectroscopic methods, such as surface-enhanced Raman scattering (SERS). Our group has been contributing to the application of these enhanced spectroscopic techniques to the study of electrochemical problems. Moreover, the fabrication and evaluation of nanostructured metallic substrates that support this phenomenon is also an important component of our program. Surface electrochemical processes are ubiquitous in several technological applications. Therefore, the insights offered by these research efforts are relevant to the fundamental understanding of practical processes. Moreover, the advent of nanotechnology, nanoelectrochemistry and the emerging field of plasmonics (which is related to the manipulation of surface plasmon waves) provides additional significance to this program.
我们计划的主要目标是了解涉及分子吸附在金属纳米结构的过程。该方法需要电化学和光谱方法的结合。电化学用于驱动和控制分子过程。“原位”光谱学用于识别表面物种并推断它们的取向。纳米结构的Au、Ag和Cu表面特别令人感兴趣,因为它们可以在金属-电介质界面处支持表面等离子体波。表面等离子体共振导致光场的强烈纳米级聚焦,称为热点。这种增强的局部电磁场被转化为吸附在热点中的分子的光谱响应的极大增加。这为表面增强拉曼散射(Sers)等一系列增强光谱方法的研究提供了唯象学基础。我们小组一直致力于将这些增强的光谱技术应用于电化学问题的研究。此外,支持这种现象的纳米结构金属衬底的制造和评估也是我们计划的重要组成部分。表面电化学过程在若干技术应用中是普遍存在的。因此,这些研究工作提供的见解与对实际过程的基本理解有关。此外,纳米技术、纳米电化学和等离子体激元学(与表面等离子体波的操纵有关)的新兴领域的出现为该计划提供了额外的意义。

项目成果

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Brolo, Alexandre其他文献

Brolo, Alexandre的其他文献

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{{ truncateString('Brolo, Alexandre', 18)}}的其他基金

Atomic Force Microscope for Materials Characterization
用于材料表征的原子力显微镜
  • 批准号:
    RTI-2023-00045
  • 财政年份:
    2022
  • 资助金额:
    $ 3.75万
  • 项目类别:
    Research Tools and Instruments
Intensity Fluctuations in Single Molecule Surface-Enhanced Raman Scattering
单分子表面增强拉曼散射中的强度波动
  • 批准号:
    RGPIN-2020-04236
  • 财政年份:
    2022
  • 资助金额:
    $ 3.75万
  • 项目类别:
    Discovery Grants Program - Individual
Intensity Fluctuations in Single Molecule Surface-Enhanced Raman Scattering
单分子表面增强拉曼散射中的强度波动
  • 批准号:
    RGPIN-2020-04236
  • 财政年份:
    2021
  • 资助金额:
    $ 3.75万
  • 项目类别:
    Discovery Grants Program - Individual
Intensity Fluctuations in Single Molecule Surface-Enhanced Raman Scattering
单分子表面增强拉曼散射中的强度波动
  • 批准号:
    RGPIN-2020-04236
  • 财政年份:
    2020
  • 资助金额:
    $ 3.75万
  • 项目类别:
    Discovery Grants Program - Individual
Localized Surface Plasmon Platform for COVID-19 Screening
用于 COVID-19 筛查的局部表面等离子体激元平台
  • 批准号:
    550059-2020
  • 财政年份:
    2020
  • 资助金额:
    $ 3.75万
  • 项目类别:
    Alliance Grants
3-D upgrade to a hyperspectral dark field microscope
3D 升级为高光谱暗视野显微镜
  • 批准号:
    RTI-2021-00220
  • 财政年份:
    2020
  • 资助金额:
    $ 3.75万
  • 项目类别:
    Research Tools and Instruments
Single molecule and single particle spectroelectrochemistry
单分子和单粒子光谱电化学
  • 批准号:
    RGPIN-2014-05549
  • 财政年份:
    2019
  • 资助金额:
    $ 3.75万
  • 项目类别:
    Discovery Grants Program - Individual
Lasers for blue excitation in a confocal fluorescence microscope
共焦荧光显微镜中的蓝色激发激光器
  • 批准号:
    RTI-2020-00144
  • 财政年份:
    2019
  • 资助金额:
    $ 3.75万
  • 项目类别:
    Research Tools and Instruments
Evaluating diesel particulate matter by raman spectroscopy
通过拉曼光谱评估柴油颗粒物
  • 批准号:
    543777-2019
  • 财政年份:
    2019
  • 资助金额:
    $ 3.75万
  • 项目类别:
    Engage Grants Program
A new STEHM holder for optoelectronic measurements
用于光电测量的新型 STEHM 支架
  • 批准号:
    507879-2016
  • 财政年份:
    2019
  • 资助金额:
    $ 3.75万
  • 项目类别:
    Collaborative Research and Development Grants

相似国自然基金

电极/溶液界面上分子取向电位调控的准确测量
  • 批准号:
    20373076
  • 批准年份:
    2003
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    27.0 万元
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相似海外基金

Optical, electrochemical, and electrical properties of novel conjugated oligomers and polymers
新型共轭低聚物和聚合物的光学、电化学和电学性质
  • 批准号:
    46547-2007
  • 财政年份:
    2011
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    $ 3.75万
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    Discovery Grants Program - Individual
Optical, electrochemical, and electrical properties of novel conjugated oligomers and polymers
新型共轭低聚物和聚合物的光学、电化学和电学性质
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新型共轭低聚物和聚合物的光学、电化学和电学性质
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  • 财政年份:
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    $ 3.75万
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Optical, electrochemical, and electrical properties of novel conjugated oligomers and polymers
新型共轭低聚物和聚合物的光学、电化学和电学性质
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Optical and electrochemical properties of metallic nanostructures
金属纳米结构的光学和电化学性质
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    238407-2007
  • 财政年份:
    2008
  • 资助金额:
    $ 3.75万
  • 项目类别:
    Discovery Grants Program - Individual
Optical, electrochemical, and electrical properties of novel conjugated oligomers and polymers
新型共轭低聚物和聚合物的光学、电化学和电学性质
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    46547-2007
  • 财政年份:
    2007
  • 资助金额:
    $ 3.75万
  • 项目类别:
    Discovery Grants Program - Individual
Optical, electrochemical and electrical properties of novel conjugated polymers
新型共轭聚合物的光学、电化学和电学性质
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新型共轭聚合物的光学、电化学和电学性质
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  • 资助金额:
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