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Neueste Veröffentlichungen und Patente zu kovalenten organischen Gerüstverbindungen (COFs)

Kovalente organische Gerüstverbindungen

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Dies ist unsere neueste Auswahl weltweiter Veröffentlichungen und Patente in englischer Sprache zu kovalenten organischen Gerüsten (COFs), zwischen vielen wissenschaftlichen Online-Zeitschriften, klassifiziert und fokussiert auf kovalentes organisches Gerüst, dynamische kovalente Chemie (DCC), ionothermische Synthese, netzartige Synthese, sekundäre Baueinheit, β-Ketoenamin-Verknüpfung, solvothermische Synthese, Grenzflächensynthese, Grenzflächensynthese, mechanochemische Synthese, Imin-Kondensation und dynamische kovalente Chemie.

Single-crystal metal-free helical covalent polymers

Patent published on the 2026-05-07 in US under Ref US20260125559 by UNIV CITY HONG KONG [HK] (Zhang Qichun [hk], Xue Miaomiao [hk])

Abstract: This invention relates to the development of covalent organic frameworks (COFs) and/or covalent organic polymers (COPs) utilizing tellurium-based dynamic covalent bonds (—Te—O—B— and —Te—O—P—) to create high-quality single crystals with unique properties. This invention also provides concise and efficient methods to grow large single crystals of tellurium-based polymers, overcoming challenges associated with misassembly and poor crystallinity during synthesis. The tellurium-based[...]


Our summary: This invention focuses on developing covalent organic frameworks and polymers using tellurium-based dynamic covalent bonds. It presents methods for growing large single crystals while addressing synthesis challenges. The resulting materials show enhanced stability, suitable for various applications.

Covalent organic frameworks, Tellurium-based polymers, Single-crystal synthesis, Dynamic covalent bonds

Patent

Slips surface coatings

Patent published on the 2026-04-16 in WO under Ref WO2026078041 by UCL BUSINESS LTD [GB] (Tiwari Manish K [gb], Zhang Jianhui [gb], Mandal Priya [gb], Singh Vikaramjeet [gb])

Abstract: The present disclosure relates to surface coatings comprising a reticulated structure that is a metal-organic framework having pores or a covalent organic framework having pores, and a lubricant comprising lubricant molecules, wherein the lubricant molecules are held within the pores of the reticulated structure and extend from the pore apertures thereof. Also disclosed are methods of making such coatings, surfaces comprising such coatings, and kits comprising the reticulated structure and the l[...]


Our summary: The disclosure details surface coatings with a reticulated structure that incorporates lubricant molecules within its pores. It describes methods for creating these coatings and surfaces that utilize them. Additionally, it includes kits containing the reticulated structure and lubricant.

surface coatings, metal-organic framework, lubricant molecules, reticulated structure

Patent

Metal&ndash;Support Interactions in Single-Atom Catalysts for Electrochemical CO2 Reduction

Published on 2026-01-13 by Alexandra Mansilla-Roux, Mayra Anabel Lara-Angulo, Juan Carlos Serrano-Ruiz @MDPI

Abstract: Electrochemical CO2 reduction (CO2RR) is a promising route to transform a major greenhouse gas into value-added fuels and chemicals. However, its deployment is still hindered by the sluggish activation of CO2, poor selectivity toward multielectron products, and competition with the hydrogen evolution reaction (HER). Single-atom catalysts (SACs) have emerged as powerful materials to address these challenges because they combine maximal metal utilization with well-defined coordination environments[...]


Our summary: This minireview discusses the role of single-atom catalysts (SACs) in enhancing electrochemical CO2 reduction efficiency. It highlights how metal-support interactions influence the adsorption and conversion of CO2RR intermediates. The review also addresses design strategies and future directions for improving SAC performance in industrial applications.

Single-atom catalysts, electrochemical CO2 reduction, metal-support interactions, selectivity descriptors

Publication

Green Mechanochemical Synthesis of Binary and Ternary Cadmium Chalcogenides with Tunable Band Gaps

Published on 2025-11-15 by Matja Kristl, Nea Zanjkovi?, Jona Kunej, Sao Gyergyek, Janja Stergar @MDPI

Abstract: In this work, we report on the mechanochemical preparation and characterization of binary (CdS, CdSe, and CdTe) and ternary (CdS0.5Se0.5, CdS0.5Te0.5, and CdSe0.5Te0.5) cadmium chalcogenides. The compounds were synthesized in a planetary micro mill using a zirconia grinding bowl and zirconia grinding balls. The products were examined by powder X-ray diffraction (pXRD), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDX), dynamic light scattering (DLS), UV&amp;n[...]


Our summary: This study presents the mechanochemical synthesis of binary and ternary cadmium chalcogenides. Characterization techniques confirm the formation of nanoparticles with tunable band gaps suitable for semiconducting applications. The method is environmentally friendly, avoiding solvents and toxic precursors.

Mechanochemical synthesis, Cadmium chalcogenides, Tunable band gaps, Green chemistry

Publication

Behandelte Themen: Seltene Erden, Wärmedämmschicht, Mikrostruktur, mechanische Eigenschaften, Solution Combustion Synthesis, Vickers-Härte, Bruchzähigkeit, thermische Ausdehnung, Hall-Effekt, dotiert, Perowskit, Korrosionsbeständigkeit, thermischer Zyklustest, Kornfeinung, Hochtemperaturleistung, Ladungsträgerdichte, Transporteigenschaften, International Organization for Standardization (ISO), ASTM International, American National Standards Institute (ANSI), International Electrotechnical Commission (IEC) und International Standards Organization (ISO).

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