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相关概念视频

Properties of Organometallic Compounds01:23

Properties of Organometallic Compounds

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Organometallic compounds are compounds that contain a carbon–metal bond. Carbon belongs to an organyl group like alkyl, aryl, allyl, or benzyl groups. The metal can be from Group I or Group II of the periodic table, a transition metal, or a semimetal.
2.2K
Metal-Ligand Bonds02:51

Metal-Ligand Bonds

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The hemoglobin in the blood, the chlorophyll in green plants, vitamin B-12, and the catalyst used in the manufacture of polyethylene all contain coordination compounds. Ions of the metals, especially the transition metals, are likely to form complexes.
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
25.9K
Photoluminescence: Applications01:14

Photoluminescence: Applications

1.3K
Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
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相关实验视频

Updated: Apr 16, 2026

A Technical Guide for Performing Spectroscopic Measurements on Metal-Organic Frameworks
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A Technical Guide for Performing Spectroscopic Measurements on Metal-Organic Frameworks

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两光子响应的金属有机框架

Jiancan Yu1, Yuanjing Cui1, Chuan-De Wu

  • 1†State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, School of Materials Science and Engineering, and ‡Department of Chemistry, Zhejiang University, Hangzhou 310027, China.

Journal of the American Chemical Society
|March 20, 2015
PubMed
概括
此摘要是机器生成的。

研究人员开发了一种新的金属有机框架 (MOF),能够响应两光子激发. 这种材料允许使用激光在晶体内进行高分辨率,三维图案和成像.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 纳米技术 纳米技术
  • 摄影化学的使用.

背景情况:

  • 三维材料加工对于先进的应用至关重要.
  • 金属有机框架 (MOF) 为各种功能提供可调节的特性.
  • 使用光控制材料特性,尤其是在3D中,仍然是一个挑战.

研究的目的:

  • 开发一种具有双光子响应性的金属有机框架 (MOF).
  • 为了证明MOF晶体内光的空间调制.
  • 使用二光子激发实现高分辨率的三维图案和成像.

主要方法:

  • 使用多变量策略将光活性链接器纳入MOF结构.
  • 使用一个两光子响应的MOF.
  • 采用紫外线和红外线的秒激光激发激发.

主要成果:

  • 合成的MOF在一光子和两光子激发时显示出显著的光变化.
  • 在MOF中实现了光特性的空间调制.
  • 在晶体内部形成了高分辨率的三维光结构.

结论:

  • 开发的MOF适用于双光子处理应用.
  • 这项工作使材料中的高级3D图案和成像功能成为可能.
  • 该研究强调了MOF在激光基材料改造中的潜力.