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• W3177246793 endingPage "111265" @default.
• W3177246793 startingPage "111265" @default.
• W3177246793 abstract "Cu-BTC (HKUST-1) metal-organic framework (MOF) in crystalline powder form was prepared by using a copper mesh as the metal source without involving any additional metal precursor, and its performance was evaluated for CO 2 capture. The crystalline structure, morphology, textural characteristics and surface chemical properties of the synthesized HKUST-1 samples were examined by XRD, SEM, N 2 physisorption, and FTIR. The MOF synthesized using the salt-free method exhibited high crystallinity, small size (~2 μm) and uniform crystal morphology, and mesoporosity. The CO 2 adsorption on the MOF was assessed at various temperatures and evaluated with respect to capacity, selectivity, kinetics, and heat of adsorption. Compared to HKUST-1 synthesized by the conventional method, the mesh-derived MOF exhibited a higher CO 2 adsorption capacity (48% higher at 1 bar and 25 °C), increase in CO 2 /N 2 adsorptive selectivity (~11%), as well as faster adsorption kinetics (by 73%). The heat of adsorption was found to increase as well particularly at higher coverages. The obtained CO 2 uptake (~5.2 mmol/g at 1 bar and 25 °C) is among the highest reported for this MOF. The synthesis procedure presented here encompasses high yield (up to 85%), while it requires fewer chemicals and generates less waste compared to the solvothermal approach. As such, it holds the potential to facilitate scaled-up production in a cost-effective and greener way, as the demand for highly efficient porous materials for gas adsorption applications, including CO 2 capture and H 2 storage, is anticipated to significantly increase in the near future. • A novel method for producing MOF powder crystals without using metal salts is reported. • Cu-BTC (HKUST-1) MOF was produced using copper mesh as the Cu source. • Crystal film is grown on the mesh and then dispatched into solution. • The salt-free derived HKUST-1 exhibited enhanced Cu active sites and bimodal porosity in the mesoporous range. • The mesh-derived MOF exhibited significantly enhanced CO 2 adsorption performance." @default.
• W3177246793 created "2021-07-05" @default.
• W3177246793 creator A5007242802 @default.
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• W3177246793 date "2021-09-01" @default.
• W3177246793 modified "2023-10-18" @default.
• W3177246793 title "Salt-free synthesis of Cu-BTC metal-organic framework exhibiting mesoporosity and enhanced carbon dioxide adsorption" @default.
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• W3177246793 doi "https://doi.org/10.1016/j.micromeso.2021.111265" @default.
• W3177246793 hasPublicationYear "2021" @default.
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