2018
DOI: 10.1002/ejic.201800042
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A Tunable Bimetallic MOF‐74 for Adsorption Chiller Applications

Abstract: The mixed-metal strategy, by which a MOF framework with two different metal nodes was prepared, was utilized with MOF-74 for potential adsorption chiller applications. The Ni salt precursor was partially replaced during synthesis with the relatively inexpensive Zn salt. The bimetallic MOF-74 con-[a] Pacific

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Cited by 50 publications
(35 citation statements)
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“…On the other hand, the large pore volume and surface areas of mesoporous frameworks such as MIL-101, MOFF-4, and MOFF-5 have shown exceptionally high capacities, specifically toward fluorocarbon adsorption. Recently, we reported pore engineered analogues of Ni-MOF-74 for water and R134a adsorption . We showed that although microporous Ni-MOF-74 could provide high guest gas uptake at low partial pressures ( P / P 0 < 0.1), mesoporous analogues exhibited increased or higher saturated sorption capabilities at high pressures. , Similarly, Mo et al more recently also designed honeycomb-like mesoporous MOFs for R134a adsorption, where large working capacities for adsorption heat transformation were attributed to increased pore sizes of those MOFs …”
mentioning
confidence: 98%
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“…On the other hand, the large pore volume and surface areas of mesoporous frameworks such as MIL-101, MOFF-4, and MOFF-5 have shown exceptionally high capacities, specifically toward fluorocarbon adsorption. Recently, we reported pore engineered analogues of Ni-MOF-74 for water and R134a adsorption . We showed that although microporous Ni-MOF-74 could provide high guest gas uptake at low partial pressures ( P / P 0 < 0.1), mesoporous analogues exhibited increased or higher saturated sorption capabilities at high pressures. , Similarly, Mo et al more recently also designed honeycomb-like mesoporous MOFs for R134a adsorption, where large working capacities for adsorption heat transformation were attributed to increased pore sizes of those MOFs …”
mentioning
confidence: 98%
“…12 We showed that although microporous Ni-MOF-74 could provide high guest gas uptake at low partial pressures (P/P 0 < 0.1), mesoporous analogues exhibited increased or higher saturated sorption capabilities at high pressures. 9,13 Similarly, Mo et al more recently also designed honeycomb-like mesoporous MOFs for R134a adsorption, where large working capacities for adsorption heat transformation were attributed to increased pore sizes of those MOFs. Besides pore size distribution, pore shape/topology of porous materials is another key parameter affecting gas uptake.…”
mentioning
confidence: 99%
“…It is essential that the adsorbent has a considerable adsorption capacity for the refrigerant. Therefore, the use of porous materials such as activated carbons, silica gel, zeolites, and metal–organic frameworks (MOFs) for this application has been reported. Among them, MOFs may have the greatest potential for adsorption cooling because of their high surface areas and tunability in terms of pore sizes, topologies, and chemical environments. Numerous studies of MOFs for adsorption cooling applications have emerged in the past few years, ,,,, in which several studies have explored using ethanol as the working fluid. , Here, we aim to establish a more systematic relationship between the structural properties of MOFs and the performance of the adsorption cooling system using the MOF/ethanol working pair. These relationships can serve as design rules to aid in the discovery of materials with even better performance.…”
mentioning
confidence: 99%
“…A practically relevant example of such an anisotropic system is zinc-based MOF-74, [71,72] which is in the focus of the present study. MOF-74 has been employed in different applications including colorimetric sensing, [73] adsorption chillers, [74] drug delivery, [75] and gas storage for, e.g., CO 2 [76] and H 2 . [9,77] When considering the thermal expansion of MOFs, MOF-74 shows comparably small linear expansion coefficients.…”
Section: Introductionmentioning
confidence: 99%