Covalent organic frameworks have emerged as a powerful synthetic platform for installing and interconverting dedicated molecular functions on crystalline polymeric backbone with atomic precision. Here, we present novel strategy to directly access amine-linked covalent frameworks, which serve scaffold enabling pore-wall modification linkage-interconversion by new methods based Leuckart–Wallach r...

The removal of excess CO 2 from the atmosphere is expected to play a major role in mitigation global warming. Solid-state adsorbents, consisting -binding functionalities on porous supports, can provide high capture capacities with low energy requirements. In this contribution, we report vapor-phase functionalization carbon fibers amine functionalities. Functionalization occurs either via direct...

Single-walled carbon nanotubes (SWCNT) functionalized with amino groups were prepared via chemical modification of carboxyl groups introduced on the carbon nanotube surface. Two different approaches (amide and amine-moieties) were used to produce the amino-functionalized nanotubes. The aminotermination allows further chemistry of the functionalized SWCNTs and makes possible covalent bonding to ...

The surface functionalization of cellulose nanocrystals is presently considered a useful and straightforward tool for accessing very reliable biocompatible biodegradable nanostructures with tailored physical chemical properties. However, to date the fine characterization appendages introduced onto remains challenge, due low sensitivity displayed by most common techniques towards functionalizati...

Gallium phosphide (GaP) surfaces were functionalized with two different molecules that contain an azide moiety at their terminus. Compound 4-azidophenacyl bromide (4AB) is an aryl azide with a bromine group at its opposite terminus that provides easy identification of the molecule's presence on the surface with x-ray photoelectron spectroscopy (XPS). O-(2-aminoethyl)-O'-(2-azidoethyl)pentaethyl...

Mixed matrix membranes containing metal-organic frameworks have attracted large attention owing to the combined advantages of high separation performance and easy processability. In this work, CO2-philic zirconium metal organic framework UiO-66 and UiO-66-NH2 nanocrystals were synthesized and embedded into polyether block amide (PEBA) polymer membranes for CO2 separation. It can be found that a...

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