Today's Tech News: Notable or Not?

https://www.eurekalert.org/news-releases/1143667 "dopants degrade materials, reducing porosity, stability, crystallinity... overcome integrating stable neutral trioxotriangulene organic radicals into metal-free COF molecular backbone, their unpaired electrons supplying charge carriers... achieves high room-temperature electrical conductivity among neutral, non-doped COFs while preserving specific surface area >1,200 m²/ gram... high surface area/ crystallinity... organic electronics, spintronics, energy storage like batteries"

https://techxplore.com/news/2026-07-cof-graphene-hybrid-horizons-lithium.html "intermediate polysulfides dissolve into electrolyte/ steadily degrade battery capacity... overcome: TUS-44 molecularly precise framework with high-performance interlayer capturing, conducting, catalyzing sulfur reactions utilizing lightweight COF integrated with highly conductive graphene sheet... high initial energy density of 674 Wh kg⁻¹ in pouch cells while maintaining long-term structural durability over 1,000 continuous charge cycles" Related: Nearly barrier-free cascaded sulfur reduction reaction realizes 2-Ah-level stable Lithium-sulfur pouch cell https://www.eurekalert.org/news-releases/1136194 Molecular catalysts could help unlock the promise of lithium–sulfur batteries https://www.eurekalert.org/news-releases/1137156 Engineering dynamic electrolyte microenvironments via double‑shell hosts for lithium–sulfur batteries https://www.eurekalert.org/news-releases/1137664 Understanding catalyst ...

https://phys.org/news/2025-09-molecular-rivets-porous-materials-collapsing.html "mesoporous keto-enamine-linked COFs show enhanced framework physical stability due to intralayer hydrogen bonds... COFs adsorb/ release water vapor, capillary forces exerted within shift layers, collapse channels, transform frameworks into amorphous polymers...trade-off: smaller pores more stable, hold less water/ larger pores stored more water, collapse under capillary forces... overcome using keto-enamine linkages creating intralayer hydrogen bonds holding layers rigidly together, preventing interlayer slipping" Related: How atmospheric water harvesting can be scaled https://techxplore.com/news/2025-09-atmospheric-harvesting-scaled.html Uncovering diverse water adsorption characteristics in metal–organic frameworks https://phys.org/news/2025-10-uncovering-diverse-adsorption-characteristics-metalorganic.html Cooling paint harvests water from thin air https://www.eurekalert.org/news-releases/1104...

https://www.eurekalert.org/news-releases/1097250 "installed dipolar rotors into COFs which have adequate space to flip in response to electric field or heat >200°C, not affected by steric hindrance from surroundings/ orientation, can be held at ambient temperature for long time, near 400°C thermal durability... building blocks: tetrahedral 4-handed molecule, flat 3-handed molecule in which 3 dipolar rotors (1,2-difluorophenyl, DFP)/ 3 aryl groups alternately positioned around central benzene ring... discovered COF sln topology/ shape dimorphism"

https://www.eurekalert.org/news-releases/1069131 "tunable bandgaps, stable/ ordered structures, porous... topology design, synthesis of COF powders/ films... imine-linked: easy synthesis, structural versatility... imine linkages influence physicochemical properties... fuel cells, environmental/ energy storage, photocatalysis, hydrogen/ CO2 adsorption, optoelectronics" Related: Scientists synthesize single-crystal sp² carbon-linked covalent organic frameworks https://phys.org/news/2025-01-scientists-crystal-sp-carbon-linked.html

https://phys.org/news/2023-12-vapor-deposition-covalent-framework.html "produce ordered 2D crystalline COFs fast, low-cost, scalable... control of sheet orientation, ensuring pore alignment, facilitating creation of high-quality membranems in <=20 minutes... vapor deposition temperatures up to ~644°F could be used to synthesize organic molecules... battery separators and organic transistors, semiconductor devices, sensors, filtration and desalination, drug delivery, catalytic processes" Related: The power of pause: Controlled deposition for effective and long-lasting organic devices https://phys.org/news/2024-01-power-deposition-effective-devices.html Study shows 3D-covalent organic frameworks can be tuned using structural isomers https://phys.org/news/2024-03-3d-covalent-frameworks-tuned-isomers.html Delicate membranes given super strength to transform green energy tech https://www.technology.org/2026/04/14/delicate-membranes-given-super-strength-to-transform-green-energy...