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関連する概念動画

Properties of Organometallic Compounds01:23

Properties of Organometallic Compounds

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.
Metal-Ligand Bonds02:51

Metal-Ligand Bonds

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...
Metal-Semiconductor Junctions01:24

Metal-Semiconductor Junctions

The contact of metal and semiconductor can lead to the formation of a junction with either Schottky or Ohmic behavior.
Schottky Barriers
Schottky barriers arise when a metal with a work function (Φm) contacts a semiconductor with a different work function (Φs). Initially, electrons transfer until the Fermi levels of the metal and semiconductor align at equilibrium. For instance, if Φm > Φs, the semiconductor Fermi level is higher than the metal's before contact. The semiconductor's...
Metallic Solids02:37

Metallic Solids

Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability. Many...
Mechanism of Filopodia Formation01:39

Mechanism of Filopodia Formation

Filopodia are thin, actin-rich cellular protrusions that play an important role in many fundamental cellular functions. They vary in their occurrence, length, and positioning in different cell types, suggesting their diverse roles.
Their main function is to guide migrating cells during normal tissue morphogenesis or cancer metastasis by recognizing and making initial contacts with the extracellular matrix. However, they can also act as stationary cell anchors or help to establish communication...
Bonding in Metals02:32

Bonding in Metals

Metallic bonds are formed between two metal atoms. A simplified model to describe metallic bonding has been developed by Paul Drüde called the “Electron Sea Model”.

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Updated: Jun 29, 2026

Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers
07:14

Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers

Published on: May 12, 2023

"クリック可能"の金属有機フレームワーク

Yuta Goto1, Hiroki Sato, Seiji Shinkai

  • 1Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.

Journal of the American Chemical Society
|October 9, 2008
PubMed
まとめ
この要約は機械生成です。

私たちは,in situ クリック反応のためのアジド群を備えた金属有機フレームワーク (MOF) を作成しました. この方法は,ネットワーク分解なしに,設計された分子腔を持つ設計MOFの作成を可能にします.

さらに関連する動画

Synthesis and Characterization of Functionalized Metal-organic Frameworks
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Synthesis and Characterization of Functionalized Metal-organic Frameworks

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Synthesis of Single-Crystalline Core-Shell Metal-Organic Frameworks
05:26

Synthesis of Single-Crystalline Core-Shell Metal-Organic Frameworks

Published on: February 10, 2023

関連する実験動画

Last Updated: Jun 29, 2026

Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers
07:14

Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers

Published on: May 12, 2023

Synthesis and Characterization of Functionalized Metal-organic Frameworks
11:27

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Published on: September 5, 2014

Synthesis of Single-Crystalline Core-Shell Metal-Organic Frameworks
05:26

Synthesis of Single-Crystalline Core-Shell Metal-Organic Frameworks

Published on: February 10, 2023

科学分野:

  • マテリアルサイエンス 材料科学
  • 有機化学 オーガニック・ケミストリー
  • ナノテクノロジー ナノテクノロジー

背景:

  • メタル・オーガニック・フレームワーク (MOF) は,調節可能な構造を持つ多孔性材料です.
  • クリック化学は,材料の改変のための効率的で選択的な反応を提供します.

研究 の 目的:

  • アジド群で機能化されたMOFを合成する.
  • これらのMOF内の in situ クリック反応を調査する.
  • 制御された性質を持つデザイナーMOFの作成を実証する.

主な方法:

  • アジド群をMOFの有機結合剤に組み込む.
  • 小さなアルキンで in situ クリック反応を起こす.
  • 構造分析のためのX線粉末 difraktion (XRPD) について.

主要な成果:

  • アジド機能化されたMOFの合成に成功した.
  • クリック反応は,MOFネットワークを分解することなく進行し,XRPDによって確認されました.
  • 分子腔の寸法と機能に対する制御が実証されています.

結論:

  • アジド機能化されたMOFは,クリック化学による合成後の改変を可能にします.
  • このアプローチは,特定の機能と毛穴のサイズを持つMOFの合理的な設計を可能にします.
  • この方法論は,さまざまなアプリケーションのためのMOFを設計するための経路を提供します.