نتایج جستجو برای: organic framework

تعداد نتایج: 656348  

Journal: :Journal of the American Chemical Society 2008

Journal: :Matter 2021

As miniaturization of microelectronics reaches sub-10 nm scale, signal crosstalk and parasitic resistive-capacitive delay significantly limit device performance. While low dielectric constant (low-κ) dielectrics are widely recognized to address such issue, their poor thermal conductivity impedes heat management. Recently, scientists from Northwestern University Virginia demonstrated the fabrica...

Journal: :Biosurface and Biotribology 2021

Metal-organic frameworks (MOFs) refer to porous coordination materials that are formed from the assembly of metal ions and organic ligands. They have unique features, such as a large specific surface area, multiple active sites, easy functionalisation, adjustable biocompatibility. MOFs recently been widely used in field biomedical engineering owing their structures properties. This has enabled ...

Journal: :Materials Today 2021

Aqueous energy devices are under the spotlight of current research due to their safety, low cost and ease handling. Metal-organic frameworks (MOFs) derivatives have spurred extensive exploration as they provide a library new electrode materials. The rich structural flexibilities (such metal nodes, ligands, pore structure) endow MOFs MOFs-derivatives with vast opportunities for various devices. ...

Journal: :Molecular Systems Design and Engineering 2023

This review summarizes the unique advantages and opportunities offered by mechanochemical process to generate MOF composites.

Journal: :Angewandte Chemie 2023

Abstract Herein, we report the synthesis of a nitrone‐linked covalent organic framework, COF‐115, by combining N , N′ ′′′‐(ethene‐1, 1, 2, 2‐tetrayltetrakis(benzene‐4, 1‐diyl))tetrakis(hydroxylamine) and terephthaladehyde via polycondensation reaction. The formation nitrone functionality was confirmed solid‐state 13 C multi cross‐polarization magic angle spinning NMR spectroscopy C‐isotope‐labe...

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High conductivity and high level of electrolyte availability are the main requirements of active materials used in supercapacitors (SCs) to achieve high electrochemical efficiency. In recent years, metal-organic frameworks (MOFs) have been used as electrode materials for SCs due to their suitability of porosity and high surface area. However, using single-component MOFs in supercapacitors resul...

F. Farzaneh L. Hamidipour

Manganese metal-organic framework (Mn-MOF) containing Mn2+ ions, benzenetricarboxylic acid (BTC) and N,N-dimethylformamid (DMF) was prepared and used as catalyst for oxidation of alkenes such as 1,1-diphenylethylene, trans-stilbene, cyclohexene, norbornene, styrene and cyclooctene to epoxides with 33-92% conversion and 75-100% selectivity and oxidation of alkanes such as fluorene, adamantane, e...

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