関連する実験動画
Updated: Mar 12, 2026

11:27
Synthesis and Characterization of Functionalized Metal-organic Frameworks
Published on: September 5, 2014
49.4K
メソポラス三次元共性有機枠組の金属化
Luke A Baldwin1, Jonathan W Crowe1, David A Pyles1
1Department of Chemistry and Biochemistry, The Ohio State University , Columbus, Ohio 43210, United States.
Journal of the American Chemical Society
|November 5, 2016
まとめ
研究者らは,デヒドロベンゾアヌレンの単位を用いた新しい3D共性有機フレームワーク (COF) を開発した. この多孔性の高い材料は,エタンとエチレンに対する記録的な低密度と優れたガス吸収能力を示しています.
科学分野:
- 材料科学
- 化学について
背景:
- メタリングされた3D共性有機フレームワーク (COF) の合成は大きな課題です.
- デヒドロベンゾアヌレン (DBA) ユニットは,フレームワークの構築にユニークな構造特性を提供します.
研究 の 目的:
- DBAユニットを組み込んだ新しい3D COFを合成し,特徴づけること.
- COFの特性に対する金属化 (特にNi) の影響を調査する.
- 材料のガス吸収能力を評価する.
主な方法:
- DBAユニットを使用して高孔性の3DCOFの合成.
- COFの表面積 (SABET),密度,および結晶性の特徴
- DBA-3D-COFとニッケル (Ni) を金属化してNi-DBA-3D-COFを形成する.
- エタンとエチレンの吸収能力を決定するガス吸着分析.
主要な成果:
- 表面積が非常に大きい (3D COF) (5083 m 2 g -1) と記録的に低い密度 (0.13 g cm -3) を成功裏に合成した.
- Niと金属化すると,表面積が最小限に減少し,結晶性が維持され,Ni-DBA-3D-COF (4763 m2 g-1) となる.
- 両方のDBA-3D-COFは,エタンとエチレンガスの重要な吸収能力を示した.
結論:
- 開発されたDBA-3D-COFは,ガス貯蔵アプリケーションに有望な材料です.
- 金属化は,多孔性の大きな損失なしに達成され,機能化されたCOFへの道を開くことができます.
- 高表面積と低密度により,これらの材料は様々な化学用途に魅力的です.
関連する概念動画
Properties of Organometallic Compounds
1.9K
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.
1.9K
Valence Bond Theory
11.5K
Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from which they are composed. In an attempt to explain the bonding and structure of coordination complexes, Linus Pauling proposed the valence bond theory, or VBT, using the concepts of hybridization and the overlapping of the atomic orbitals. According to VBT, the central metal atom or ion (Lewis acid) hybridizes to provide empty orbitals of suitable...
11.5K
Metal-Ligand Bonds
25.2K
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...
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...
25.2K
Metallic Solids
21.2K
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....
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
21.2K

