A Flexible Dihydrogen-Bonded Organic Framework with Selective Gas Adsorption Properties

Chemistry of Materials, Год журнала: 2024, Номер unknown

Опубликована: Авг. 9, 2024

An unprecedented porous organic framework, BSF-11, was prepared by the self-assembly of closo-dodecaborate [B12H12]2– and cationic 2,6-diaminopurine-Cu(II) complexes via multiple proton-hydride dihydrogen bonds. Single crystal structure analysis indicated that BSF-11 displays a 1D channel with narrow bottleneck (2.79 Å) large cavity (7.12 Å). The intrinsic porosity preserved after thermal activation in vacuum; showed pore opening adsorption C2H2 C3H4 while excluding other light hydrocarbons CO2 under ambient conditions, resulting high uptake ratios C2H2/CH4 (24.9), C2H2/C2H4 (8.1), C2H2/CO2 (2.3), C3H4/C3H6 (19.7) at 1 bar. different CO2, C2H2, affinities were further investigated GCMC DFT modeling. calculated binding energy trend is consistent observed experiments.

Язык: Английский

Exhaled Anesthetic Xenon Regeneration by Gas Separation Using a Metal–Organic Framework with Sorbent‐Sorbate Induced‐Fit

Angewandte Chemie, Год журнала: 2024, Номер 136(38)

Опубликована: Июль 2, 2024

Abstract Noble gas xenon (Xe) is an excellent anesthetic gas, but its rarity, high cost and constrained production prohibits wide use in medicine. Here, we have developed a closed‐circuit Xe recovery reusage process with highly effective CO 2 ‐specific adsorbent CUPMOF‐5 that promising to solve the supply problem. possesses spacious cage cavities interconnected four directions by confinement throat apertures of ~3.4 Å, which makes it ideal molecular sieving from Xe, O , N benchmark selectivity uptake capacity . In situ single‐crystal X‐ray diffraction (SCXRD) computational simulation solidly revealed vital role confined sorbent‐sorbate induced‐fit strengthening binding interaction can remove 5 % even actual moist exhaled gases, achieves highest rate (99.8 %) so far, as verified breakthrough experiments. This endows great potential for on‐line removal closed‐circuits.

Язык: Английский

Copper(II) isonicotinate metal-organic framework for reusable adsorption of salmeterol from wastewater

Deleted Journal, Год журнала: 2024, Номер unknown, С. 100030 - 100030

Опубликована: Окт. 1, 2024

Язык: Английский