نتایج جستجو برای: HKUST-1
تعداد نتایج: 2752680 فیلتر نتایج به سال:
Controllable integration of metal nanoparticles (MNPs) and metal-organic frameworks (MOFs) is attracting considerable attention as the obtained composite materials always show synergistic effects in applications of catalysis, delivery, as well as sensing. Herein, a Cu2O-directed in situ growth strategy was developed to integrate Au nanoparticles and HKUST-1. In this strategy, Cu2O@HKUST-1 core-...
A novel mechanochemical method was proposed to reconstruct quickly moisture-degraded HKUST-1. The degraded HKUST-1 can be restored within minutes. The reconstructed samples were characterized, and confirmed to have 95% surface area and 92% benzene capacity of the fresh HKUST-1. It is a simple and effective strategy for degraded MOF reconstruction.
HKUST-1, a copper-based metal organic framework (MOF), has been investigated as a catalyst in various reactions. However, the HKUST-1 shows low catalytic activity in the oxidation of catechol. Therefore, we synthesized Fe₃O₄@HKUST-1 by layer-by layer assembly strategy and Cu@Cu₂O by reduction of HKUST-1 for enhancement of catalytic activity. Cu@Cu₂O nanoparticles exhibited highly effective cata...
Many metal-organic frameworks are water labile, including the iconic Hong-Kong University of Science and Technology-1 (HKUST-1). Spray-dry encapsulation of HKUST-1 crystals into polystyrene microspheres is reported here to yield composites that are resistant to water but retain most of the excellent gas sorption capacity of HKUST-1. These composites are demonstrated to exhibit superior water ad...
Abstract A novel poly(3,4-ethylenedioxythiophene)-reduced graphene oxide/copper-based metal–organic framework (PrGO/HKUST-1) has been successfully fabricated by incorporating electrochemically synthesized oxide (PrGO) and hydrothermally copper-based (HKUST-1). The field emission scanning microscopy (FESEM) elemental mapping analysis revealed an even distribution of poly(3,4-ethylenedioxythiophe...
جذب استیلن بر روی hkust-1، mof-505 و mof-5 با شبیه سازی gcmc مطالعه شد. همچنین توزیع مولکولهای استیلن در موقعیتهای مختلف درون mofها نیز محاسبه و ارزیابی شد. محاسبات اولیه نشان دادند که بر همکنش بین استیلن و مس باید اصلاح شود. این اصلاح از طریق افزایش عمق چاه پتانسیل لنارد- جونز انجام شد و از این طریق همدمای شبیه سازی شده بر همدمای تجربی منطبق شد. جهت تعیین موقعیتهای جذب مولکولهای مهمان، دانسیته...
Porous materials such as metal-organic frameworks (MOFs) with high theoretical volumetric gas uptake capacity are promising for storage and separation, but the structuring practical applications is challenging. Herein, we report a general feasible strategy to combine electrospinning phase conversion method decorate polyacrylonitrile nanofibers (PAN NFs) Cu-MOF (HKUST-1). The based on combinatio...
Metal-organic frameworks (MOFs) in their free powder form have exhibited superior capacities for many gases when compared to other materials, due to their tailorable functionality and high surface areas. Specifically, the MOF HKUST-1 binds small Lewis bases, such as ammonia, with its coordinatively unsaturated copper sites. We describe here the use of HKUST-1 in mixed-matrix membranes (MMMs) pr...
Layered double hydroxides (LDHs) with abundant accessible active sites are promising electrode materials for hybrid supercapacitor (HSC) due to their ultrahigh theoretical capacitances. However, the structural agglomeration of LDH leads poor rate capability and durability. Herein, we construct a diffusion-controlled interface in hierarchical architecture metal-organic framework (MOF) HKUST-1@co...
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