251
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Burtch NC, Jasuja H, Dubbeldam D, Walton KS. Molecular-level Insight into Unusual Low Pressure CO2 Affinity in Pillared Metal–Organic Frameworks. J Am Chem Soc 2013; 135:7172-80. [DOI: 10.1021/ja310770c] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Nicholas C. Burtch
- School of Chemical and Biomolecular
Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, Georgia 30332, United States
| | - Himanshu Jasuja
- School of Chemical and Biomolecular
Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, Georgia 30332, United States
| | - David Dubbeldam
- Van’t Hoff Institute
for Molecular Sciences, University of Amsterdam, Nieuwe Achtergracht 166 Amsterdam, The Netherlands
| | - Krista S. Walton
- School of Chemical and Biomolecular
Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, Georgia 30332, United States
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252
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Iremonger SS, Vaidhyanathan R, Mah RK, Shimizu GKH. Zn7O2(RCOO)10 Clusters and Nitro Aromatic Linkers in a Porous Metal–Organic Framework. Inorg Chem 2013; 52:4124-6. [PMID: 23521490 DOI: 10.1021/ic302127y] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | - Roger K. Mah
- Department of Chemistry, University of Calgary, Calgary T2N 1N4, Canada
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253
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Karra JR, Grabicka BE, Huang YG, Walton KS. Adsorption study of CO 2 , CH 4 , N 2 , and H 2 O on an interwoven copper carboxylate metal–organic framework (MOF-14). J Colloid Interface Sci 2013; 392:331-336. [DOI: 10.1016/j.jcis.2012.10.018] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2012] [Revised: 09/13/2012] [Accepted: 10/08/2012] [Indexed: 11/26/2022]
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254
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Jasuja H, Burtch NC, Huang YG, Cai Y, Walton KS. Kinetic water stability of an isostructural family of zinc-based pillared metal-organic frameworks. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:633-642. [PMID: 23214448 DOI: 10.1021/la304204k] [Citation(s) in RCA: 82] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The rational design of metal-organic frameworks (MOFs) with structural stability in the presence of humid conditions is critical to the commercialization of this class of materials. However, the systematic water stability studies required to develop design criteria for the construction of water-stable MOFs are still scarce. In this work, we show that by varying the functional groups on the 1,4-benzenedicarboxylic acid (BDC) linker of DMOF [Zn(BDC)(DABCO)(0.5)], we can systematically tune the kinetic water stability of this isostructural, pillared family of MOFs. To illustrate this concept, we have performed water adsorption studies on four novel, methyl-functionalized DMOF variations along with a number of already reported functionalized analogues containing polar (fluorine) and nonpolar (methyl) functional groups on the BDC ligand. These results are distinctly different from previous reports where the apparent water stability is improved through the inclusion of functional groups such as -CH(3), -C(2)H(5), and -CF(3) which only serve to prevent significant amounts of water from adsorbing into the pores. In this study, we present the first demonstration of tuning the inherent kinetic stability of MOF structures in the presence of large amounts of adsorbed water. Notably, we demonstrate that while the parent DMOF structure is unstable, the DMOF variation containing the tetramethyl BDC ligand remains fully stable after adsorbing large amounts of water vapor during cyclic water adsorption cycles. These trends cannot be rationalized in terms of hydrophobicity alone; experimental water isotherms show that MOFs containing the same number of methyl groups per unit cell will have different kinetic stabilities and that the precise placements of the methyl groups on the BDC ligand are therefore critically important in determining their stability in the presence of water. We present the water adsorption isotherms, PXRD (powder X-ray diffraction) patterns, and BET surface areas before and after water exposure to illustrate these trends. Furthermore, we shed light on the important distinction between kinetic and thermodynamic stability in MOFs. Molecular simulations are also used to provide insight into the structural characteristics governing these trends in kinetic water stability.
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Affiliation(s)
- Himanshu Jasuja
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
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255
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Taylor JM, Dawson KW, Shimizu GKH. A Water-Stable Metal–Organic Framework with Highly Acidic Pores for Proton-Conducting Applications. J Am Chem Soc 2013; 135:1193-6. [DOI: 10.1021/ja310435e] [Citation(s) in RCA: 381] [Impact Index Per Article: 34.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Jared M. Taylor
- Department of Chemistry, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - Karl W. Dawson
- Department of Chemistry, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - George K. H. Shimizu
- Department of Chemistry, University of Calgary, Calgary, Alberta T2N 1N4, Canada
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256
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Ebrahim AM, Levasseur B, Bandosz TJ. Interactions of NO2 with Zr-based MOF: effects of the size of organic linkers on NO2 adsorption at ambient conditions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:168-174. [PMID: 23249274 DOI: 10.1021/la302869m] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Zirconium-based metal organic framework (Zr-MOF), UiO-66 and UiO-67, were synthesized and used as adsorbents of NO(2) at ambient temperatures in either dry or moist conditions. The samples were characterized before and after exposure to NO(2) by X-ray diffraction, scanning electron microscopy, N(2)-adsorption at 77 K, thermal analysis, and infrared spectroscopy. The results indicate the important effect of a ligand size on the adsorption of NO(2) on Zr-MOF materials. While the large size of the 4,4-benzenebiphenyldicarboxylic acid (BDPC) ligand has a positive impact on the adsorption of NO(2) on UiO-67 in moist conditions, the opposite effect is found in dry conditions. The large pore volume of UiO-67 enhances the adsorption of moisture and formation of nitric and nitrous acids. The small pore sizes of UiO-66 favor the NO(2) removal in dry conditions via dispersive forces. Upon interaction of NO(2) molecules with the Zr-MOF in dry conditions, the bond between the organic linker and metallic oxide center is broken, leading to the formation of nitrate and nitrite species. Moreover, organic ligands also contribute to the NO(2) reactive adsorption via nitration reaction.
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Affiliation(s)
- Amani M Ebrahim
- Department of Chemistry, The City College of New York, 160 Convent Ave, New York, New York 10031, United States
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257
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Taddei M, Ienco A, Costantino F, Guerri A. Supramolecular interactions impacting on the water stability of tubular metal–organic frameworks. RSC Adv 2013. [DOI: 10.1039/c3ra44910f] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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258
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Wang L, Lachawiec, Jr AJ, Yang RT. Nanostructured adsorbents for hydrogen storage at ambient temperature: high-pressure measurements and factors influencing hydrogen spillover. RSC Adv 2013. [DOI: 10.1039/c3ra44216k] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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259
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Jeremias F, Lozan V, Henninger SK, Janiak C. Programming MOFs for water sorption: amino-functionalized MIL-125 and UiO-66 for heat transformation and heat storage applications. Dalton Trans 2013; 42:15967-73. [DOI: 10.1039/c3dt51471d] [Citation(s) in RCA: 209] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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260
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Ranft A, Betzler SB, Haase F, Lotsch BV. Additive-mediated size control of MOF nanoparticles. CrystEngComm 2013. [DOI: 10.1039/c3ce41152d] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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261
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Jasuja H, Huang YG, Walton KS. Adjusting the stability of metal-organic frameworks under humid conditions by ligand functionalization. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:16874-80. [PMID: 23134370 DOI: 10.1021/la304151r] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The practical use of metal-organic frameworks (MOFs) in applications ranging from adsorption separations to controlled storage and release hinges on their stability in humid or aqueous environments. The sensitivity of certain MOFs under humid conditions is well-known, but systematic studies of water adsorption properties of MOFs are lacking. This information is critical for developing design criteria for directing future synthesis efforts. The goal of this work is to understand the influence of the extent of Zn-O bond shielding on the relative stabilities of MOFs belonging to same family of isostructural, noncatenated pillared MOFs [Zn(L)(DABCO)(0.5)], where L is the functionalized BDC (1,4-benzenedicarboxylic acid) linker. The different extent of Zn-O bond shielding is provided by incorporating a broad range of functional groups on the BDC ligand. The resulting MOFs have varying surface areas, pore sizes, and pore volumes. Stability is assessed through water vapor adsorption isotherms combined with powder X-ray diffraction (PXRD) experiments and surface area analyses. Our study demonstrates that integration of polar functional groups (e.g., nitro, bromo, chloro, hydroxy, etc.) on the dicarboxylate linker renders these MOFs water unstable compared to the parent MOF as these polar functional groups have a negative shielding effect; i.e., they facilitate hydrolysis of the Zn-O bond. On the other hand, placing nonpolar groups (e.g., methyl) on the BDC ligand results in structurally robust MOFs because the Zn-O bond is effectively shielded from attack by water molecules. Therefore, the anthracene- and tetramethyl-BDC MOFs do not lose crystallinity or surface area after water exposure, in spite of the large amount of water adsorption due to capillary condensation at ∼20% relative humidity (RH). This has been observed rarely in the MOF literature. The results of this work show that by ligand functionalization it is possible to adjust the water stability of a pillared MOF in both the positive and negative directions and, thus, provide an important step toward understanding the water adsorption behavior of MOFs.
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Affiliation(s)
- Himanshu Jasuja
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, Georgia 30332, USA
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262
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Cmarik GE, Kim M, Cohen SM, Walton KS. Tuning the adsorption properties of UiO-66 via ligand functionalization. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:15606-13. [PMID: 23057691 DOI: 10.1021/la3035352] [Citation(s) in RCA: 287] [Impact Index Per Article: 23.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
UiO-66 is one of the few known water-stable MOFs that are readily amenable to direct ligand substitution. In this work, UiO-66 has been synthesized with amino-, nitro-, methoxy-, and naphthyl-substituted ligands to impart polar, basic, and hydrophobic characteristics. Pure-component CO(2), CH(4), N(2), and water vapor adsorption isotherms were measured in the materials to study the effect of the functional group on the adsorption behavior. Heats of adsorption were calculated for each pure gas on each material. The results indicate that the amino-functionalized material possesses the best adsorption properties for each pure gas due to a combination of polarity and small functional group size. The naphthyl-functionalized material exhibits a good combination of inhibited water vapor adsorption and high selectivity for CO(2) over CH(4) and N(2).
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Affiliation(s)
- Gregory E Cmarik
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, 30332, United States
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263
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Schoenecker PM, Belancik GA, Grabicka BE, Walton KS. Kinetics study and crystallization process design for scale-up of UiO-66-NH2synthesis. AIChE J 2012. [DOI: 10.1002/aic.13901] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Paul M. Schoenecker
- School of Chemical and Biomolecular Engineering; Georgia Institute of Technology; Atlanta; GA; 30332
| | - Grace A. Belancik
- School of Chemical and Biomolecular Engineering; Georgia Institute of Technology; Atlanta; GA; 30332
| | - Bogna E. Grabicka
- School of Chemical and Biomolecular Engineering; Georgia Institute of Technology; Atlanta; GA; 30332
| | - Krista S. Walton
- School of Chemical and Biomolecular Engineering; Georgia Institute of Technology; Atlanta; GA; 30332
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264
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Taylor JM, Vaidhyanathan R, Iremonger SS, Shimizu GKH. Enhancing Water Stability of Metal–Organic Frameworks via Phosphonate Monoester Linkers. J Am Chem Soc 2012; 134:14338-40. [DOI: 10.1021/ja306812r] [Citation(s) in RCA: 186] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Jared M. Taylor
- Department
of Chemistry, University of Calgary, Calgary, Alberta, Canada T2N 1N4
| | | | - Simon S. Iremonger
- Department
of Chemistry, University of Calgary, Calgary, Alberta, Canada T2N 1N4
| | - George K. H. Shimizu
- Department
of Chemistry, University of Calgary, Calgary, Alberta, Canada T2N 1N4
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265
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Bon V, Senkovskyy V, Senkovska I, Kaskel S. Zr(iv) and Hf(iv) based metal–organic frameworks with reo-topology. Chem Commun (Camb) 2012; 48:8407-9. [DOI: 10.1039/c2cc34246d] [Citation(s) in RCA: 159] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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266
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Makal TA, Li JR, Lu W, Zhou HC. Methane storage in advanced porous materials. Chem Soc Rev 2012; 41:7761-79. [DOI: 10.1039/c2cs35251f] [Citation(s) in RCA: 657] [Impact Index Per Article: 54.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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267
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Yang Q, Guillerm V, Ragon F, Wiersum AD, Llewellyn PL, Zhong C, Devic T, Serre C, Maurin G. CH4 storage and CO2 capture in highly porous zirconium oxide based metal–organic frameworks. Chem Commun (Camb) 2012; 48:9831-3. [DOI: 10.1039/c2cc34714h] [Citation(s) in RCA: 158] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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268
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Gao WY, Yan W, Cai R, Williams K, Salas A, Wojtas L, Shi X, Ma S. A pillared metal–organic framework incorporated with 1,2,3-triazole moieties exhibiting remarkable enhancement of CO2 uptake. Chem Commun (Camb) 2012; 48:8898-900. [DOI: 10.1039/c2cc34380k] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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269
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Earl LD, Patrick BO, Wolf MO. Synthesis, structure, and luminescent properties of oligothiophene-containing metal–organic frameworks. CrystEngComm 2012. [DOI: 10.1039/c2ce25529d] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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