The realization of porous materials for highly selective separation acetylene (C2 H2 ) from various other gases (e.g., carbon dioxide and ethylene) by adsorption is prime importance but challenging in the petrochemical industry. Herein, a chemically stable Hofmann-type metal-organic framework (MOF), Co(pyz)[Ni(CN)4 ] (termed as ZJU-74a), that features sandwich-like binding sites benchmark C2 capture reported. Gas sorption isotherms reveal ZJU-74a exhibits far record capacity (49 cm3 g-1 at...

The pore size and low-polarity surface are systematically engineered within a series of C₂H₆-selective MOF materials for targeting high C₂H₆ uptake capacity, C₂H₆/C₂H₄ selectivity moderate adsorption heat simultaneously.

Abstract For the separation of ethane from ethylene, it remains challenging to target both high C 2 H 6 adsorption and selectivity in a ‐selective material. Herein, we report reversible solid‐state transformation labile hydrogen‐bonded organic framework generate new rod‐packing desolvated (ZJU‐HOF‐1) with suitable cavity spaces functional surfaces optimally interact . ZJU‐HOF‐1 thus exhibits simultaneously uptake (88 cm 3 g −1 at 0.5 bar 298 K) /C 4 (2.25), which are significantly higher...

Porous materials for C2 H2 /CO2 separation mostly suffer from high regeneration energy, poor stability, or cost that largely dampen their industrial implementation. A desired adsorbent should have an optimal balance between excellent performance, and low cost. We herein report a stable, low-cost, easily scaled-up aluminum MOF (CAU-10-H) highly efficient separation. The suitable pore confinement in CAU-10-H can not only provide multipoint binding interactions with but also enable the dense...

The discovery of high-performance adsorbents for highly efficient separation xenon from krypton is an important but challenging task in the chemical industry due to their similar size and inert spherical nature. Herein, we report two robust radiation-resistant Hofmann-type MOFs, Co(pyz)[Ni(CN)4] Co(pyz)[Pd(CN)4] (termed as ZJU-74a-Ni ZJU-74a-Pd), featuring oppositely adjacent open metal sites perfect pore sizes (4.1 3.8 Å) comparable kinetic diameter (4.047 Å), affording benchmark binding...

Developing porous materials for C3 H6 /C3 H8 separation faces the challenge of merging excellent performance with high stability and easy scalability synthesis. Herein, we report a robust Hofmann clathrate material (ZJU-75a), featuring high-density strong binding sites to achieve all above requirements. ZJU-75a adsorbs large amount record storage density 0.818 g mL-1 , concurrently shows selectivity (54.2) at 296 K 1 bar. Single-crystal structure analysis unveil that in not only provide much...

A novel water-stable anion-pillared MOF material with suitable rhombic pores and functional surfaces exhibits high C₂H₂ capture capacity simultaneously C₂H₂/CO₂ C₂H₂/C₂H₄ selectivities under ambient conditions.

Realization of ethane-selective porous materials for efficient ethane/ethylene (C2H6/C2H4) separation is an important task in the petrochemical industry. Although a number C2H6-selective adsorbents have been realized, their adsorption capacity and selectivity might be mostly dampened under humid conditions due to structure decomposition or co-adsorption water vapor. A desired material should simultaneously high C2H6 uptake selectivity, excellent stability, ultralow industrial applications,...

Separation of acetylene (C2H2) from carbon dioxide (CO2) is very difficult and challenging because their similar molecular sizes associated physical properties. Realization low-cost high-performance porous materials importance to facilitate the implementation energy-efficient adsorptive separation into practical gas applications. Here, we utilized a cheap commercially available formic acid ligand successfully construct robust MOF material [Ni3(HCOO)6·DMF] (1·DMF), offering high chemical...

Abstract Development of highly porous and robust hydrogen‐bonded organic frameworks (HOFs) for high‐pressure methane hydrogen storage remains a grand challenge due to the fragile nature bonds. Herein, we report strategy constructing double‐walled framework target HOF (ZJU‐HOF‐5a) extraordinary CH 4 H 2 storage. ZJU‐HOF‐5a features minimized twofold interpenetration with structure, in which multiple supramolecular interactions are existed between interpenetrated walls. This structural...

Abstract For the separation of ethane from ethylene, it remains challenging to target both high C 2 H 6 adsorption and selectivity in a ‐selective material. Herein, we report reversible solid‐state transformation labile hydrogen‐bonded organic framework generate new rod‐packing desolvated (ZJU‐HOF‐1) with suitable cavity spaces functional surfaces optimally interact . ZJU‐HOF‐1 thus exhibits simultaneously uptake (88 cm 3 g −1 at 0.5 bar 298 K) /C 4 (2.25), which are significantly higher...

Highly selective capture and separation of propylene (C3H6) from ethylene (C2H4) presents one the most crucial processes to obtain pure C2H4 in petrochemical industry. The performance current physisorbents is commonly limited by insufficient C3H6 binding affinity, resulting poor low-pressure uptakes or inadequate C3H6/C2H4 selectivities. Herein, we realize a unique single-molecule nanotrap an ultramicroporous MOF material (Co(pyz)[Pd(CN)4], ZJU-74a-Pd), exhibiting benchmark capacity at...

Abstract Development of highly porous and robust hydrogen‐bonded organic frameworks (HOFs) for high‐pressure methane hydrogen storage remains a grand challenge due to the fragile nature bonds. Herein, we report strategy constructing double‐walled framework target HOF (ZJU‐HOF‐5a) extraordinary CH 4 H 2 storage. ZJU‐HOF‐5a features minimized twofold interpenetration with structure, in which multiple supramolecular interactions are existed between interpenetrated walls. This structural...

We herein successfully realized the first example of using a stable HOF (ZJU-HOF-1) for highly efficient removal both trace (1%) and bulk (50%) CO 2 from /CO mixtures under dry humid conditions.

We realized that engineering the pore size/geometry and chemistry in a series of MOFs can optimize volumetric methane storage working capacity.

Abstract Porous materials for C 2 H /CO separation mostly suffer from high regeneration energy, poor stability, or cost that largely dampen their industrial implementation. A desired adsorbent should have an optimal balance between excellent performance, and low cost. We herein report a stable, low‐cost, easily scaled‐up aluminum MOF (CAU‐10‐H) highly efficient separation. The suitable pore confinement in CAU‐10‐H can not only provide multipoint binding interactions with but also enable the...

Abstract The realization of ideal molecular sieves has a great potential to achieve the desired gas separations by fine‐tuning pore structures generate suitable aperture sizes, which can be exclusive larger molecules thus performing efficient separations. Despite numerous attempts, there are few developed porous materials that implement sieving for C 2 H /CH 4 separation. Herein, we show how size in series selected SIFSIX achieves separation at ambient conditions. With an optimized 3.4 Å and...

Abstract Developing porous materials for C 3 H 6 /C 8 separation faces the challenge of merging excellent performance with high stability and easy scalability synthesis. Herein, we report a robust Hofmann clathrate material (ZJU‐75a), featuring high‐density strong binding sites to achieve all above requirements. ZJU‐75a adsorbs large amount record storage density 0.818 g mL −1 , concurrently shows selectivity (54.2) at 296 K 1 bar. Single‐crystal structure analysis unveil that in not only...

Abstract For adsorptive separation of xenon/krypton mixture, it still remains a daunting challenge to target both high Xe adsorption and selectivity in single adsorbent because their close size inert nature. Herein, we report an ultra-microporous alkyl Cu-based MOF (MOF-11) with suitable pore architecture for benchmark capture separation. MOF-11 features small channels (4.4 Å) the kinetic diameter atom, which large number oppositely adjacent open Cu-metal sites cavities are densely arranged...