Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Radical Reactivity: Overview01:11

Radical Reactivity: Overview

2.2K
Radicals, the highly reactive species, gain stability by undergoing three different reactions. The first reaction involves a radical-radical coupling, in which a radical combines with another radical, forming a spin‐paired molecule. The second reaction is between a radical and a spin‐paired molecule, generating a new radical and a new spin‐paired molecule. The third reaction is radical decomposition in a unimolecular reaction, forming a new radical and a spin‐paired...
2.2K
Heterogeneous Catalysis01:22

Heterogeneous Catalysis

141
Heterogeneous catalysis involves a catalyst in a different phase from the reactants. It is a process where the catalyst and the reactants are in distinct phases, typically solid and gas or liquid.Most heterogeneous catalysts are metals, metal oxides, or acids. The list includes transition metals like iron (Fe), cobalt (Co), nickel (Ni), palladium (Pd), platinum (Pt), chromium (Cr), manganese (Mn), tungsten (W), silver (Ag), and copper (Cu). These metals possess partially vacant d orbitals that...
141

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Atomic Visualization of Surface Photovoltage Effect on Si(111)-(7 × 7) with Gated Integrating Laser-Combined Scanning Tunneling Microscopy.

The journal of physical chemistry letters·2026
Same author

Solvent-assisted running-in strategy enables improved triboelectric nanogenerator output.

Nature communications·2026
Same author

Machine-Learning-Driven Molecular Dynamics Unravels Stereoelectronic Switching in Statistical Ensembles of Single-Molecule Junctions.

Journal of the American Chemical Society·2026
Same author

Quantum Phase Transition of a Molecular Radical Pair.

Journal of the American Chemical Society·2026
Same author

Atomic Bromine Layer as a Hole-Doping Decoupling Adlayer for Molecular Spin Modulation.

Journal of the American Chemical Society·2026
Same author

Single-Channel Saturation at the Quantum Conductance Limit in Single-Molecule Junctions.

Journal of the American Chemical Society·2026

相关实验视频

Updated: May 3, 2026

ECM Protein Nanofibers and Nanostructures Engineered Using Surface-initiated Assembly
16:33

ECM Protein Nanofibers and Nanostructures Engineered Using Surface-initiated Assembly

Published on: April 17, 2014

12.5K

通过分子组合方法引导电子诱导的表面反应

Yuxuan Lin1, Jie Li2, Xiaoyang Liang1

  • 1BNLMS, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.

Journal of the American Chemical Society
|April 1, 2024
PubMed
概括

分子组合显著影响电子诱导的表面化学. 研究人员发现,铜上的4,4′′-二-1,1′:3′,1′′- (DCTP) 等分子的排列改变了破解化学键所需的能量,从而能够精确控制反应.

更多相关视频

Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures
09:12

Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures

Published on: August 10, 2017

7.7K
Assembling Molecular Shuttles Powered by Reversibly Attached Kinesins
08:04

Assembling Molecular Shuttles Powered by Reversibly Attached Kinesins

Published on: January 26, 2019

6.9K

相关实验视频

Last Updated: May 3, 2026

ECM Protein Nanofibers and Nanostructures Engineered Using Surface-initiated Assembly
16:33

ECM Protein Nanofibers and Nanostructures Engineered Using Surface-initiated Assembly

Published on: April 17, 2014

12.5K
Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures
09:12

Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures

Published on: August 10, 2017

7.7K
Assembling Molecular Shuttles Powered by Reversibly Attached Kinesins
08:04

Assembling Molecular Shuttles Powered by Reversibly Attached Kinesins

Published on: January 26, 2019

6.9K

科学领域:

  • 表面科学
  • 物理化学
  • 材料科学

背景情况:

  • 电子在化学过程中充当反应剂和催化剂.
  • 电子诱导的表面化学是重要的,但尚未完全理解,特别是关于分子组装.
  • 控制分子层面的表面反应是一个关键挑战.

研究的目的:

  • 研究分子组合对电子诱导的表面化学的影响.
  • 了解分子排列如何影响特定化学键的反应性.
  • 探索精确控制电子诱导的表面反应的方法.

主要方法:

  • 结合实验扫描道显微镜 (STM) 和理论密度功能理论 (DFT) 的研究.
  • 在Cu111上的4,4′′-二-1′:3′,1′′- (DCTP) 中研究了电子诱导的C-Cl键解离.
  • 在自组装结构和与 (Br) 原子联合组装中分析DCTP.

主要成果:

  • 将电子注入DCTP的空分子轨道会选择性地解离C-Cl键.
  • 随着Br原子与DCTP分子的接近,C-Cl键裂变的能量值会增加.
  • 这种反应性调节是基于DCTP的组装结构而导致DCTP空置的分子轨道的能量转移.

结论:

  • 分子组合在调整电子诱导的表面反应性方面发挥着关键作用.
  • 分子排列的微妙变化可以显著改变化学键裂变值.
  • 通过分子组合和电子注入精确控制表面化学的途径.