1
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Andrade PHM, Dhainaut J, Volkringer C, Loiseau T, Moncomble A, Hureau M, Moissette A. Stability of Iodine Species Trapped in Titanium-Based MOFs: MIL-125 and MIL-125_NH 2. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2400265. [PMID: 38660825 DOI: 10.1002/smll.202400265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 04/16/2024] [Indexed: 04/26/2024]
Abstract
Two titanium-based MOFs MIL-125 and MIL-125_NH2 are synthesized and characterized using high-temperature powder X-ray diffraction (PXRD), thermogravimetric analysis (TGA), N2 sorption, Fourier transformed infrared spectroscopy (FTIR), Raman spectroscopy, ultraviolet-visible spectroscopy (UV-Vis), and electron paramagnetic resonance (EPR). Stable up to 300 °C, both compounds exhibited similar specific surface areas (SSA) values (1207 and 1099 m2 g-1 for MIL-125 and MIL-125_NH2, respectively). EPR signals of Ti3+ are observed in both, whith MIL-125_NH2 also showing ─NH2 ●+ signatures. Both MOFs efficiently adsorbed iodine in continuous gas flow over five days, with MIL-125 trapping 1.9 g.g-1 and MIL-125_NH2 trapping 1.6 g.g-1. MIL-125_NH2 exhibited faster adsorption kinetics due to its smaller band gap (2.5 against 3.6 eV). In situ Raman spectroscopy conducted during iodine adsorption revealed signal evolution from "free" I2 to "perturbed" I2, and I3 -. TGA and in situ Raman desorption experiments showed that ─NH2 groups improved the stabilization of I3 - due to an electrostatic interaction with NH2 ●+BDC radicals. The Albery model indicated longer lifetimes for iodine desorption in I2@MIL-125_NH2, attributed to a rate-limiting step due to stronger interaction between the anionic iodine species and the ─NH2 ●+ radicals. This study underscores how MOFs with efficient charge separation and hole-stabilizer functional groups enhance iodine stability at higher temperatures.
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Affiliation(s)
- Pedro H M Andrade
- Laboratoire de Spectroscopie pour les Interactions, la Réactivité et l'Environnement (LASIRE), Université de Lille - Sciences et Technologies, Villeneuve d'Ascq, 59655, France
- Departamento de Engenharia Metalúrgica e de Materiais (DEMET), Departamento de Física (DF), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Jérémy Dhainaut
- Unité de Catalyse et Chimie du Solide (UCCS), Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181, Lille, F-59000, France
| | - Christophe Volkringer
- Unité de Catalyse et Chimie du Solide (UCCS), Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181, Lille, F-59000, France
| | - Thierry Loiseau
- Unité de Catalyse et Chimie du Solide (UCCS), Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181, Lille, F-59000, France
| | - Aurélien Moncomble
- Laboratoire de Spectroscopie pour les Interactions, la Réactivité et l'Environnement (LASIRE), Université de Lille - Sciences et Technologies, Villeneuve d'Ascq, 59655, France
| | - Matthieu Hureau
- Laboratoire de Spectroscopie pour les Interactions, la Réactivité et l'Environnement (LASIRE), Université de Lille - Sciences et Technologies, Villeneuve d'Ascq, 59655, France
| | - Alain Moissette
- Laboratoire de Spectroscopie pour les Interactions, la Réactivité et l'Environnement (LASIRE), Université de Lille - Sciences et Technologies, Villeneuve d'Ascq, 59655, France
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2
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Lee B, Bae J, Go B, Kim MK, Park J. Dual-functional metal-organic framework for chemisorption and colorimetric monitoring of cyanogen chloride. CHEMOSPHERE 2024; 362:142633. [PMID: 38906187 DOI: 10.1016/j.chemosphere.2024.142633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 06/04/2024] [Accepted: 06/14/2024] [Indexed: 06/23/2024]
Abstract
Given the growing concern over the deployment of toxic chemicals in warfare, the rapid and accurate removal and detection of cyanogen chloride (CK) as a blood agent has become increasingly critical. However, conventional physisorbents and chemisorbents used in military respirators are insufficient for the effective removal of CK. In this study, we demonstrate the chemisorption and sensing abilities of Co2(m-DOBDC) (m-DOBDC4- = 4,6-dioxo-1,3-benzenedicarboxylate) for CK via electrophilic aromatic substitution (EAS) in humid environments. Unlike the chemisorption in triethylenediamine (TEDA) impregnated carbon materials, which generates by-products through hydrolysis, the electron-rich C5 sites in m-DOBDC4- ligands give rise to cyano substitution with CK. This leads to the formation of stable C-C bonds and chloride ions (Cl-) coordinating with open Co2+ sites. Such a mechanism prevents the generation of toxic by-products like cyanic acid and hydrochloric acid. Breakthrough experiments conducted in a packed-bed system conclusively demonstrated the superior CK removal capacity of Co2(m-DOBDC) (1662 min/g), compared to TEDA-impregnated activated carbon (323 min/g) under humid conditions. Considering that MOF-74 series, isostructural with Co2(m-DOBDC), barely adsorb CK under similar conditions, this finding marks a significant advancement in developing novel sorbents for CK removal. Moreover, this chemisorption not only exhibited rapid and highly efficient CK removal but also enabled colorimetric monitoring via the distinctive color change induced by the coordination of Cl- acting as σ donors. These findings facilitate the development of adsorption and sensing equipment to protect military personnel from toxic chemical threats.
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Affiliation(s)
- Byeongchan Lee
- Department of Physics and Chemistry, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Dalseong-gun, Daegu 42988, Republic of Korea
| | - Jaekyung Bae
- Chem-Bio Technology Center, Agency for Defense Development, Daejeon, 34186, Republic of Korea
| | - Bogyeong Go
- Department of Physics and Chemistry, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Dalseong-gun, Daegu 42988, Republic of Korea
| | - Min-Kun Kim
- Chem-Bio Technology Center, Agency for Defense Development, Daejeon, 34186, Republic of Korea.
| | - Jinhee Park
- Department of Physics and Chemistry, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Dalseong-gun, Daegu 42988, Republic of Korea.
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3
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Choe JH, Kim H, Yun H, Kurisingal JF, Kim N, Lee D, Lee YH, Hong CS. Extended MOF-74-Type Variant with an Azine Linkage: Efficient Direct Air Capture and One-Pot Synthesis. J Am Chem Soc 2024; 146:19337-19349. [PMID: 38953459 DOI: 10.1021/jacs.4c05318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
Direct air capture (DAC) shows considerable promise for the effective removal of CO2; however, materials applicable to DAC are lacking. Among metal-organic framework (MOF) adsorbents, diamine-Mg2(dobpdc) (dobpdc4- = 4,4-dioxidobiphenyl-3,3'-dicarboxylate) effectively removes low-pressure CO2, but the synthesis of the organic ligand requires high temperature, high pressure, and a toxic solvent. Besides, it is necessary to isolate the ligand for utilization in the synthesis of the framework. In this study, we synthesized a new variant of extended MOF-74-type frameworks, M2(hob) (M = Mg2+, Co2+, Ni2+, and Zn2+; hob4- = 5,5'-(hydrazine-1,2-diylidenebis(methanylylidene))bis(2-oxidobenzoate)), constructed from an azine-bonded organic ligand obtained through a facile condensation reaction at room temperature. Functionalization of Mg2(hob) with N-methylethylenediamine, N-ethylethylenediamine, and N,N'-dimethylethylenediamine (mmen) enables strong interactions with low-pressure CO2, resulting in top-tier adsorption capacities of 2.60, 2.49, and 2.91 mmol g-1 at 400 ppm of CO2, respectively. Under humid conditions, the CO2 capacity was higher than under dry conditions due to the presence of water molecules that aid in the formation of bicarbonate species. A composite material combining mmen-Mg2(hob) and polyvinylidene fluoride, a hydrophobic polymer, retained its excellent adsorption performance even after 7 days of exposure to 40% relative humidity. In addition, the one-pot synthesis of Mg2(hob) from a mixture of the corresponding monomers is achieved without separate ligand synthesis steps; thus, this framework is suitable for facile large-scale production. This work underscores that the newly synthesized Mg2(hob) and its composites demonstrate significant potential for DAC applications.
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Affiliation(s)
- Jong Hyeak Choe
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Hyojin Kim
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Hongryeol Yun
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | | | - Namju Kim
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Donggyu Lee
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Yong Hoon Lee
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Chang Seop Hong
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
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4
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Shi M, Cheng K, Cheng X, Zhou X, Jiang G, Du J. Iodine capture of a two-dimensional layered uranyl-organic framework: a combined DFT and AIMD study. Phys Chem Chem Phys 2024; 26:17132-17140. [PMID: 38845547 DOI: 10.1039/d4cp01898b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
To develop nuclear energy sustainably, it is important to effectively capture radioiodine in nuclear waste. In this study, we used density functional theory (DFT) and ab initio molecular dynamics (AIMD) calculations to investigate how well the uranyl-organic framework (UOF) could capture radioiodine. We found that the uranyl center and C-N ring sites in both cluster and periodic UOF models are very attractive to the I2 molecule. The adsorption energies of the I2 molecule in the periodic UOF models are as high as -1.10 eV, which is much higher than in the cluster model. The interaction characteristics between the I2 molecule and the UOF were revealed by electronic density topological analyses. Our AIMD simulations at 300 and 600 K have confirmed that the UOF has high adsorption kinetics for I2 molecules and can effectively capture them. The UOF has a high adsorption capacity and good adsorption stability for the I2 molecule, making it a promising option for the environmentally friendly removal of radioiodine.
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Affiliation(s)
- Mingyang Shi
- College of Physics, Sichuan University, Chengdu 610064, China.
| | - Kunyang Cheng
- Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China
| | - Xiujuan Cheng
- Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China
| | - Xuying Zhou
- Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China
| | - Gang Jiang
- Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China
| | - Jiguang Du
- College of Physics, Sichuan University, Chengdu 610064, China.
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Li J, Zhang X, Fan M, Chen Y, Ma Y, Smith GL, Vitorica-yrezabal IJ, Lee D, Xu S, Schröder M, Yang S. Direct Observation of Enhanced Iodine Binding within a Series of Functionalized Metal-Organic Frameworks with Exceptional Irradiation Stability. J Am Chem Soc 2024; 146:14048-14057. [PMID: 38713054 PMCID: PMC11117185 DOI: 10.1021/jacs.4c02405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 04/03/2024] [Accepted: 04/03/2024] [Indexed: 05/08/2024]
Abstract
Optimization of active sites and stability under irradiation are important targets for sorbent materials that might be used for iodine (I2) storage. Herein, we report the direct observation of I2 binding in a series of Cu(II)-based isostructural metal-organic frameworks, MFM-170, MFM-172, MFM-174, NJU-Bai20, and NJU-Bai21, incorporating various functional groups (-H, -CH3, - NH2, -C≡C-, and -CONH-, respectively). MFM-170 shows a reversible uptake of 3.37 g g-1 and a high packing density of 4.41 g cm-3 for physiosorbed I2. The incorporation of -NH2 and -C≡C- moieties in MFM-174 and NJU-Bai20, respectively, enhances the binding of I2, affording uptakes of up to 3.91 g g-1. In addition, an exceptional I2 packing density of 4.83 g cm-3 is achieved in MFM-174, comparable to that of solid iodine (4.93 g cm-3). In situ crystallographic studies show the formation of a range of supramolecular and chemical interactions [I···N, I···H2N] and [I···C≡C, I-C═C-I] between -NH2, -C≡C- sites, respectively, and adsorbed I2 molecules. These observations have been confirmed via a combination of solid-state nuclear magnetic resonance, X-ray photoelectron, and Raman spectroscopies. Importantly, γ-irradiation confirmed the ultraresistance of MFM-170, MFM-174, and NJU-Bai20 suggesting their potential as efficient sorbents for cleanup of radioactive waste.
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Affiliation(s)
- Jiangnan Li
- Department
of Chemistry, University of Manchester, Manchester, M13 9PL, U.K.
- College
of Chemistry and Molecular Engineering, Beijing National Laboratory
for Molecular Sciences, Peking University, Beijing 100871, China
| | - Xinran Zhang
- Department
of Chemistry, University of Manchester, Manchester, M13 9PL, U.K.
| | - Mengtian Fan
- Department
of Chemistry, University of Manchester, Manchester, M13 9PL, U.K.
| | - Yinlin Chen
- Department
of Chemistry, University of Manchester, Manchester, M13 9PL, U.K.
| | - Yujie Ma
- Department
of Chemistry, University of Manchester, Manchester, M13 9PL, U.K.
| | - Gemma L. Smith
- Department
of Chemistry, University of Manchester, Manchester, M13 9PL, U.K.
| | | | - Daniel Lee
- Department
of Chemical Engineering and Analytical Science, University of Manchester, Manchester M13 9PL, U.K.
| | - Shaojun Xu
- Department
of Chemical Engineering and Analytical Science, University of Manchester, Manchester M13 9PL, U.K.
| | - Martin Schröder
- Department
of Chemistry, University of Manchester, Manchester, M13 9PL, U.K.
| | - Sihai Yang
- Department
of Chemistry, University of Manchester, Manchester, M13 9PL, U.K.
- College
of Chemistry and Molecular Engineering, Beijing National Laboratory
for Molecular Sciences, Peking University, Beijing 100871, China
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6
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Yu RL, Li QF, Li ZL, Wang XY, Xia LZ. Analysis of Radioactive Iodine Trapping Mechanism by Zinc-Based Metal-Organic Frameworks with Various N-Containing Carboxylate Ligands. ACS APPLIED MATERIALS & INTERFACES 2023; 15:35082-35091. [PMID: 37458304 DOI: 10.1021/acsami.3c07032] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
This study aimed to develop effective adsorbents for capturing radioactive iodine in nuclear power waste gas. Two zinc metal-organic frameworks (Zn-MOFs) were synthesized and found to have favorable properties such as a large surface area, thermal stability, surface rich in π-electron-containing nitrogen, and redox potential. Adsorption experiments revealed maximum capacities of 1.25 and 1.96 g g-1 for the MOFs at 75 °C, with the pseudo-second-order kinetic model fitting the data well. The Langmuir equation provided a better fit in cyclohexane, with maximum adsorption amounts of 249 and 358 mg g-1 for Zn-MOF-1 and Zn-MOF-2, respectively. The MOFs were also stable during six cycles of adsorption and desorption. Furthermore, electron transfer occurred due to the synergistic adsorption of Zn, N, and O atoms, resulting in the conversion of some iodine to polyiodide. Zn-MOF-2 exhibited better chemisorption than Zn-MOF-1 due to a smaller highest occupied molecular orbital (HOMO)-lowest unoccupied molecular orbital (LUMO) gap. Notably, it was discovered that N-containing radicals had stronger interactions with iodine compared to radicals without N. These findings provide valuable insights into MOF synthesis and environmental protection.
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Affiliation(s)
- Rui-Li Yu
- Department of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Qian-Fan Li
- Department of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Zhen-Le Li
- Department of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Xiao-Yu Wang
- Department of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Liang-Zhi Xia
- Department of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
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7
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Andrade PHM, Ahouari H, Volkringer C, Loiseau T, Vezin H, Hureau M, Moissette A. Electron-Donor Functional Groups, Band Gap Tailoring, and Efficient Charge Separation: Three Keys To Improve the Gaseous Iodine Uptake in MOF Materials. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37315191 DOI: 10.1021/acsami.3c04955] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Metal-organic frameworks (MOFs) have been largely investigated worldwide for their use in the capture of radioactive iodine due to its potential release during nuclear accident events and reprocessing of nuclear fuel. The present work deals with the capture of gaseous I2 under a continuous flow and its subsequent transformation into I3- within the porous structures of three distinct, yet structurally related, terephthalate-based MOFs: MIL-125(Ti), MIL-125(Ti)_NH2, and CAU-1(Al)_NH2. The synthesized materials exhibited specific surface areas (SSAs) with similar order of magnitude: 1207, 1099, and 1110 m2 g-1 for MIL-125(Ti), MIL-125(Ti)_NH2, and CAU-1(Al)_NH2, respectively. Because of that, it was possible to evaluate the influence of other variables over the iodine uptake capacity─such as band gap energies, functional groups, and charge transfer complexes (CTC). After 72 h of contact with the I2 gas flow, MIL-125(Ti)_NH2 was able to trap 11.0 mol mol-1 of I2, followed by MIL-125(Ti) (8.7 mol mol-1), and by CAU-1(Al)_NH2 (4.2 mol mol-1). The enhanced ability to retain I2 in the MIL-125(Ti)_NH2 was associated with a combined effect between its amino group (which has a great affinity toward iodine), its smaller band gap (2.5 eV against 2.6 and 3.8 eV for CAU-1(Al)_NH2 and MIL-125(Ti), respectively), and its efficient charge separation. In fact, the presence of a linker-to-metal charge transfer (LMCT) mechanism in MIL-125(Ti) compounds separates the photogenerated electrons and holes into the two distinct moieties of the MOF: the organic linker (which stabilizes the holes) and the oxy/hydroxy inorganic cluster (which stabilizes the electrons). This effect was observed using EPR spectroscopy, whereas the reduction of the Ti4+ cations into the paramagnetic Ti3+ species was evidenced after irradiation of the pristine Ti-based MOFs with UV light (<420 nm). In contrast, because CAU-1(Al)_NH2 exhibits a purely linker-based transition (LBT)─with no EPR signals related to Al paramagnetic species─it tends to exhibit faster recombination of the photogenerated charge carriers as, in this case, both electrons and holes are located over the organic linker. Furthermore, the transformation of the gaseous I2 into In- [n = 5, 7, 9, ...] intermediates and then into I3- species was evaluated using Raman spectroscopy by following the evolution of their respective bands at about 198, 180, and 113 cm-1. This conversion─which is favored by an effective charge separation and smaller band gaps─increases the I2 uptake capacity of the compounds by creating specific adsorption sites for these anionic species. In fact, because the -NH2 groups act as an antenna to stabilize the photogenerated holes, both In- and I3- are adsorbed into the organic linker via an electrostatic interaction with these positively charged entities. Finally, changes regarding the EPR spectra before and after the iodine loading were considered to propose a mechanism for the electron transfer from the MOFs structure to the I2 molecules considering their different characteristics.
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Affiliation(s)
- Pedro H M Andrade
- Laboratoire de Spectroscopie pour les Interactions, la Réactivité et l'Environnement (LASIRE), Université de Lille─Sciences et Technologies, 59655 Villeneuve d'Ascq, France
| | - Hania Ahouari
- Laboratoire de Spectroscopie pour les Interactions, la Réactivité et l'Environnement (LASIRE), Université de Lille─Sciences et Technologies, 59655 Villeneuve d'Ascq, France
| | - Christophe Volkringer
- Unité de Catalyse et Chimie du Solide (UCCS), Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181, F-59000 Lille, France
| | - Thierry Loiseau
- Unité de Catalyse et Chimie du Solide (UCCS), Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181, F-59000 Lille, France
| | - Hervé Vezin
- Laboratoire de Spectroscopie pour les Interactions, la Réactivité et l'Environnement (LASIRE), Université de Lille─Sciences et Technologies, 59655 Villeneuve d'Ascq, France
| | - Matthieu Hureau
- Laboratoire de Spectroscopie pour les Interactions, la Réactivité et l'Environnement (LASIRE), Université de Lille─Sciences et Technologies, 59655 Villeneuve d'Ascq, France
| | - Alain Moissette
- Laboratoire de Spectroscopie pour les Interactions, la Réactivité et l'Environnement (LASIRE), Université de Lille─Sciences et Technologies, 59655 Villeneuve d'Ascq, France
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8
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Shi YZ, Hu QH, Gao X, Zhang L, Liang RP, Qiu JD. A Flexible Indium-based Metal-Organic Framework with Ultrahigh Adsorption Capacity for Iodine Removal from Seawater. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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9
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Hao M, Liu Y, Wu W, Wang S, Yang X, Chen Z, Tang Z, Huang Q, Wang S, Yang H, Wang X. Advanced porous adsorbents for radionuclides elimination. ENERGYCHEM 2023:100101. [DOI: doi.org/10.1016/j.enchem.2023.100101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/25/2023]
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10
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Liu M, Zu L, Hudson ZM. Mechanistic Principles for Engineering Hierarchical Porous Metal-Organic Frameworks. ACS NANO 2022; 16:13573-13594. [PMID: 36048428 DOI: 10.1021/acsnano.2c06587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Metal-organic frameworks (MOFs) have generated tremendous research interest in the past two decades, due to their high surface areas, tailorable active sites, and tunable structures. Hierarchical porous MOFs (HP-MOFs) with two or more pore systems are particularly attractive, benefiting from improved active site accessibility and enhanced mass diffusivity in applications involving bulk molecules. This review outlines the mechanistic principles used for the rational design of HP-MOFs, current techniques used to measure their hierarchical porosities, as well as their emerging applications. We then critically summarize the current challenges in this field and provide a contemporary perspective on the technological innovations that would address current synthetic challenges in the field of HP-MOFs. The aim of this review is to provide an in-depth understanding of the formation mechanisms, materials chemistry, and structural and chemical properties of HP-MOFs while exploring ways to enhance the performance of current MOF materials in a range of fields.
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Affiliation(s)
- Min Liu
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver V6T 1Z1, Canada
| | - Lianhai Zu
- Department of Chemical Engineering, The University of Melbourne, Parkville 3010, Australia
| | - Zachary M Hudson
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver V6T 1Z1, Canada
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11
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Tunsrichon S, Youngme S, Boonmak J. Ligand-Driven Self-Assembly of Iodine-Based Cd(II) Complexes via Dissolution-Recrystallization Structural Transformation. CrystEngComm 2022. [DOI: 10.1039/d2ce00395c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The iodo-cadmium(II) complexes with a diversity of crystalline architectures have been prepared via a combination of a Cd(II) precursor and varied iodine solutions. The iodo-Cd(II) complexes with 1,10-phenantroline were assembled...
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12
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Wada Y, Ohtsu H, Usov PM, Chan B, Deekomwong K, Kawano M. Multi-interactive Coordination Network Featuring a Ligand with Topologically Isolated p Orbitals. Inorg Chem 2021; 60:17858-17864. [PMID: 34797060 DOI: 10.1021/acs.inorgchem.1c02468] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A tridentate 3-pyridyl-based ligand containing a hexaazaphenalene skeleton (3-TPHAP-) with topologically isolated p orbitals was prepared by a one-pot reaction. It was successfully reacted with a Co2+ salt and a 1,4-benzenedicarboxylic acid co-ligand to give a porous coordination network. In the structure, the hexaazaphenalene skeleton interacts with water to form an internal hydrogen bonding network, allowing the entire pore space to be revealed by single-crystal X-ray diffraction (SXRD). The network structure consists of dimeric Co clusters featuring labile sites occupied by solvent molecules. Several guest molecules, namely, anthracene, triphenylene, and iodine, were incorporated inside the network. The resultant encapsulated structures were elucidated by SXRD, revealing unusual host-guest interactions with a subtle structural modulation.
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Affiliation(s)
- Yuki Wada
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Hiroyoshi Ohtsu
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Pavel M Usov
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Bun Chan
- Graduate School of Engineering, Nagasaki University, Bunkyo 1-14, Nagasaki-shi, Nagasaki 852-8521, Japan
| | - Krittanun Deekomwong
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Masaki Kawano
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
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13
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Wu WX, Liu HC, Jin WJ. Halogen Bonding Adsorbent Pyridine N-oxides for Iodine Capture in Water. Chemistry 2021; 28:e202103336. [PMID: 34791726 DOI: 10.1002/chem.202103336] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Indexed: 11/09/2022]
Abstract
Rapid capture of 129 I with high volatility and toxicity in the environment has attracted much attention. Herein we reported a firstly synthesized nonporous material: pyridine N-oxides (NTPO and ATPO) as iodine adsorbent. Both of NTPO and ATPO exhibit remarkable performance on the adsorption of iodine in aqueous solution, vapor state and organic solvents. Upon the capture of iodine, pyridine N-oxides were transformed to binary cocrystals combined with the pyridine N-oxides and iodine which is driven by halogen bond between iodine and oxygen atoms. Moreover, pyridine N-oxides shows high chemical, thermal and moisture stability.
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Affiliation(s)
- Wen Xin Wu
- College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Hu Cheng Liu
- College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Wei Jun Jin
- College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
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14
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Patra K, Ansari SA, Mohapatra PK. Metal-organic frameworks as superior porous adsorbents for radionuclide sequestration: Current status and perspectives. J Chromatogr A 2021; 1655:462491. [PMID: 34482010 DOI: 10.1016/j.chroma.2021.462491] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/28/2021] [Accepted: 08/17/2021] [Indexed: 01/03/2023]
Abstract
Efficient separation of hazardous radionuclides from radioactive waste remains a challenge to the global acceptance of nuclear power due to complex nature of the waste, high radiotoxicities and presence of large number of interfering elements. Sorption of radioactive elements from liquid phase, gas phase or their solid particulates on various synthetic organic, inorganic or biological sorbents is looked as one of the options for their remediation. In this context, highly porous materials, termed as metal-organic frameworks (MOFs), have shown promise for efficient capturing of various types of radioactive elements. Major advantages that have been advocated for the application of MOFs in radionuclide sorption are their excellent chemical stability, and their large surface area due to abundant functional groups, and porosity. In this review, recent developments on the application of MOFs for radionuclide sequestration are briefly discussed. Focus has been devoted to address the separation of few crucial radioactive elements such as Th, U, Tc, Re, Se, Sr and Cs from aqueous solutions, which are important for liquid radioactive waste management. Apart from these radioactive metal ions, removal of radionuclide bearing gases such as I2, Xe, and Kr are also discussed. Aspects related to the interaction of MOFs with the radionuclides are also discussed. Finally, a perspective for comprehensive investigation of MOFs for their applications in radioactive waste management has been outlined.
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Affiliation(s)
- Kankan Patra
- Nuclear Recycles Board, Bhabha Atomic Research Centre, Tarapur 401502, India
| | - Seraj A Ansari
- Homi Bhabha National Institute, Anushakti Nagar, Mumbai, 400094, India; Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai, 400085, India.
| | - Prasanta K Mohapatra
- Homi Bhabha National Institute, Anushakti Nagar, Mumbai, 400094, India; Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
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15
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Lee B, Park J. Effect of Functional Groups on the
I
2
Sorption Kinetics of Isostructural
Metal–Organic
Frameworks. B KOREAN CHEM SOC 2021. [DOI: 10.1002/bkcs.12201] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Byeongchan Lee
- Department of Emerging Materials Science Daegu Gyeongbuk Institute of Science and Technology (DGIST) Daegu 42988 South Korea
| | - Jinhee Park
- Department of Emerging Materials Science Daegu Gyeongbuk Institute of Science and Technology (DGIST) Daegu 42988 South Korea
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16
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Jin K, Lee B, Park J. Metal-organic frameworks as a versatile platform for radionuclide management. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213473] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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17
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Kim H, Hong CS. MOF-74-type frameworks: tunable pore environment and functionality through metal and ligand modification. CrystEngComm 2021. [DOI: 10.1039/d0ce01870h] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This highlight demonstrates a comprehensive overview of MOF-74-type frameworks in terms of synthetic approaches and pre- or post-synthetic modification approaches.
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Affiliation(s)
- Hyojin Kim
- Department of Chemistry
- Korea University
- Seoul 02841
- Republic of Korea
| | - Chang Seop Hong
- Department of Chemistry
- Korea University
- Seoul 02841
- Republic of Korea
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18
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Gogia A, Das P, Mandal SK. Tunable Strategies Involving Flexibility and Angularity of Dual Linkers for a 3D Metal-Organic Framework Capable of Multimedia Iodine Capture. ACS APPLIED MATERIALS & INTERFACES 2020; 12:46107-46118. [PMID: 32957781 DOI: 10.1021/acsami.0c13094] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The widespread use of nuclear power poses severe health and environmental risks owing to the nonregulated release and disposal of radioactive wastes in the environment. Among these wastes, the capture and removal of radioactive iodine poses a big challenge. To develop a novel material for capturing molecular iodine, we have strategically synthesized a nitrogen-rich three-dimensional (3D) metal-organic framework (MOF), {[Mn2(oxdz)2(tpbn)(H2O)2]·2C2H5OH}n (1), utilizing a bent heterocyclic dicarboxylate linker (H2oxdz: (4,4'-(1,3,4-oxadiazole-2,5-diyl)dibenzoic acid)) and a flexible bis(tridentate) ligand (tpbn: N, N', N″, N‴-tetrakis(2-pyridylmethyl)-1,4-diaminobutane). Based on its single-crystal structure, 1 is an eightfold interpenetrated 3D framework, consisting of a unique 4-connected {Mn2(tpbn)} subunit, in which the pores line up with the nitrogen atoms of the oxadiazole moiety. This can be considered as a big leap for the development of 3D MOFs using flexible bis(tridentate) ligands. To emphasize the role of the flexible methylene chain length in such ligand in the dimensionality of the resultant framework, the tphn (N, N', N″, N‴-tetrakis(2-pyridylmethyl)-1,6-diaminohexane) ligand with two additional methylene groups provides a one-dimensional (1D) CP {[Mn2(oxdz)2(tphn)(H2O)]·CH3OH}n (2). This spacer chain lengthening has a profound effect on the coordination of such ligand with Mn(II), further affecting the binding of oxdz. The inherent polarizable nature of the oxadiazole moiety and the presence of permanent pore of dimensions (19.122 × 19.253 Å2) in 1 have been exploited for the capture/removal of iodine not only from vapor and an organic solution but also from an aqueous media. It exhibits competent 100% reversible sorption of iodine with an uptake capacity of (1.1 ± 0.05) g/g of 1. The uptake value has been corroborated by both gravimetric and titrimetric analyses. The interaction of iodine with 1 has been notably studied with molecular simulations, kinetic models of sorption, field emission scanning electron microscopy (FESEM), and energy-dispersive X-ray spectroscopy (EDX) analysis. Moreover, 1 is highly stable and is recyclable without much loss of sorption capability up to five cycles.
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Affiliation(s)
- Alisha Gogia
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, Manauli PO, S.A.S. Nagar, Mohali, Punjab 140306, India
| | - Prasenjit Das
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, Manauli PO, S.A.S. Nagar, Mohali, Punjab 140306, India
| | - Sanjay K Mandal
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, Manauli PO, S.A.S. Nagar, Mohali, Punjab 140306, India
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19
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Lee B, Moon D, Park J. Microscopic and Mesoscopic Dual Postsynthetic Modifications of Metal-Organic Frameworks. Angew Chem Int Ed Engl 2020; 59:13793-13799. [PMID: 32338411 DOI: 10.1002/anie.202000278] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Indexed: 12/31/2022]
Abstract
We report the dual postsynthetic modification (PSM) of a metal-organic framework (MOF) involving the microscopic conversion of C-H bonds into C-C bonds and the mesoscopic introduction of hierarchical porosity. MOF crystals underwent single-crystal-to-single-crystal transformations during the electrophilic aromatic substitution of Co2 (m-DOBDC) (m-DOBDC4- =4,6-dioxo-1,3-benzenedicarboxylate) with alkyl halides and formaldehyde. The steric hindrance caused by the proximity of the introduced functional groups to the coordination bonds reduced bond stability and facilitated the transformation into hierarchically porous mesostructures by etching with in situ generated protons (hydroniums) and halides. The numerous defect sites in the mesostructural MOFs are potential water-sorption sites. However, since the introduced functional groups are close to the main adsorption sites, even methyl groups are able to considerably decrease water adsorption, whereas hydroxy groups increase adsorption at low vapor pressures.
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Affiliation(s)
- Byeongchan Lee
- Department of Emerging Materials Science, Daegu-Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Dalseong-gun, Daegu, 42988, Korea
| | - Dohyun Moon
- Beamline Department, Pohang Accelerator Laboratory, Pohang, 37673, Korea
| | - Jinhee Park
- Department of Emerging Materials Science, Daegu-Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Dalseong-gun, Daegu, 42988, Korea
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20
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Chen H, Fan L, Zhang X, Ma L. Nanocage-Based In III{Tb III} 2-Organic Framework Featuring Lotus-Shaped Channels for Highly Efficient CO 2 Fixation and I 2 Capture. ACS APPLIED MATERIALS & INTERFACES 2020; 12:27803-27811. [PMID: 32462875 DOI: 10.1021/acsami.0c07061] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The exquisite combination of independent 3p [In(CO2)4] units and 4f [Tb2(CO2)8] clusters in the presence of the designed hexatopic 2,4,6-tri(2,4-dicarboxyphenyl)pyridine ligand engenders one peculiar nanocaged In(III){Tb(III)}2-organic framework: ({(Me2NH2)[InTb2(HTDP)2]·3DMF·3H2O}n, designated as NUC-5), which features dual types of lotus-shaped channels along the [100] and [110] axes with related node windows of 5.3 × 6.8 and 12.1 × 9.2 Å2, respectively. To the best of our knowledge, except several coexisted 3p-4f In/Ln clusters of {In3Ln}- and {In3Ln2}-based metal-organic frameworks (MOFs), NUC-5 is one novel type of In/Ln heterometallic framework. In addition, its topology was an unprecedented 3D TAYZIC net with a Schläfli symbol of {4.462}{4.565}2{4.66.88}. Moreover, activated NUC-5 is proved to be one efficient adsorbent for CO2 and one recycled cycloaddition catalyst for the transformation of epoxides into related carbonates with high yields under mild conditions. Furthermore, the excellent reversible sorption performance for I2 in the volatilization phase or in cyclohexane solution with a maximum adsorption capacity of 609.1 mg/g (3.75 iodine molecules per unit cell) makes NUC-5 a promising adsorbent for radioactive products of 129I and 131I in the field of nuclear industry. This study provides one synthetic strategy that the original nature of MOFs could be enhanced by introducing some specific function-prompted inorganic subunits with the aid of predesigned supporting ligands.
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Affiliation(s)
- Hongtai Chen
- Department of Chemistry, College of Science, North University of China, Taiyuan 030051, People's Republic of China
| | - Liming Fan
- Department of Chemistry, College of Science, North University of China, Taiyuan 030051, People's Republic of China
| | - Xiutang Zhang
- Department of Chemistry, College of Science, North University of China, Taiyuan 030051, People's Republic of China
| | - Lufang Ma
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, China
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21
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Lee B, Moon D, Park J. Microscopic and Mesoscopic Dual Postsynthetic Modifications of Metal–Organic Frameworks. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000278] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Byeongchan Lee
- Department of Emerging Materials Science Daegu-Gyeongbuk Institute of Science and Technology (DGIST) 333 Techno Jungang-daero, Dalseong-gun Daegu 42988 Korea
| | - Dohyun Moon
- Beamline Department Pohang Accelerator Laboratory Pohang 37673 Korea
| | - Jinhee Park
- Department of Emerging Materials Science Daegu-Gyeongbuk Institute of Science and Technology (DGIST) 333 Techno Jungang-daero, Dalseong-gun Daegu 42988 Korea
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