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A Chemical Route to Activation of Open Metal Sites in the Copper-Based Metal-Organic Framework Materials HKUST-1 and Cu-MOF-2
- A Chemical Route to Activation of Open Metal Sites in the Copper-Based Metal-Organic Framework Materials HKUST-1 and Cu-MOF-2
- Kim, HK[Kim, Hong Ki]; Yun, WS[Yun, Won Seok]; Kim, MB[Kim, Min-Bum]; Kim, JY[Kim, Jeung Yoon]; Bae, YS[Bae, Youn-Sang]; Lee, J[Lee, JaeDong]; Jeong, NC[Jeong, Nak Cheon]
- DGIST Authors
- Kim, HK[Kim, Hong Ki]; Yun, WS[Yun, Won Seok]; Kim, JY[Kim, Jeung Yoon]; Lee, J[Lee, JaeDong]; Jeong, NC[Jeong, Nak Cheon]
- Issue Date
- Journal of the American Chemical Society, 137(31), 10009-10015
- Article Type
- Activation Process; Chemical Activation; Chemical Equations; Chemical Phenomena; Chemical Reaction; Coordination Sites; Copper Derivative; Crystalline Materials; Cu Mof 2; Dichloromethane; Gas Permeable Membranes; Heating; Hkust 1; Ionization of Gases; Java Programming Language; Metal-Organic Frameworks (MOFs); Metal Organic Framework; Metal Organic Framework Materials; Organic Polymers; Organometallics; Plausible Mechanisms; Raman Spectrometry; Room-Temperature; Solvent Molecules; Thermal Activation Process; Unclassified Drug; Vacuum
- Open coordination sites (OCSs) in metal-organic frameworks (MOFs) often function as key factors in the potential applications of MOFs, such as gas separation, gas sorption, and catalysis. For these applications, the activation process to remove the solvent molecules coordinated at the OCSs is an essential step that must be performed prior to use of the MOFs. To date, the thermal method performed by applying heat and vacuum has been the only method for such activation. In this report, we demonstrate that methylene chloride (MC) itself can perform the activation role: this process can serve as an alternative "chemical route" for the activation that does not require applying heat. To the best of our knowledge, no previous study has demonstrated this function of MC, although MC has been popularly used in the pretreatment step prior to the thermal activation process. On the basis of a Raman study, we propose a plausible mechanism for the chemical activation, in which the function of MC is possibly due to its coordination with the Cu2+ center and subsequent spontaneous decoordination. Using HKUST-1 film, we further demonstrate that this chemical activation route is highly suitable for activating large-area MOF films. (Chemical Equation Presented). © 2015 American Chemical Society.
- American Chemical Society
- Related Researcher
Jeong, Nak Cheon
NC(Nanoporous-materials Chemistry for Fundamental Science) Lab
Inorganic Chemistry; Metal-Organic Framework; Nanoporous Materials; Electron Transport;Ion Transport
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- Department of Emerging Materials ScienceLight and Matter Theory Laboratory1. Journal Articles
Department of Emerging Materials ScienceNC(Nanoporous-materials Chemistry for Fundamental Science) Lab1. Journal Articles
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