151
|
Li Y, Gao Q, Zhou Y, Zhang L, Zhong Y, Ying Y, Zhang M, Liu Y, Wang Y. Significant enhancement in hydrolytic degradation of sulfur mustard promoted by silver nanoparticles in the Ag NPs@HKUST-1 composites. JOURNAL OF HAZARDOUS MATERIALS 2018; 358:113-121. [PMID: 29990797 DOI: 10.1016/j.jhazmat.2018.06.043] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 06/12/2018] [Accepted: 06/20/2018] [Indexed: 05/15/2023]
Abstract
The Ag NPs@HKUST-1 composites have been successfully prepared with different loading amounts of silver nanoparticles in HKUST-1 featuring a three-dimensional system of channels constructed by benzene-1,3,5-tricarboxylate and dimeric cupric units by a simple one-pot hydrothermal method, and characterized by various microscopy and spectroscopy analysis techniques. The average particle size of Ag NPs increased with the increase of the loading amount of Ag NPs. The experimental results showed that the degradation of sulfur mustard (HD) under ambient conditions followed pseudo-first order reaction kinetics. Additionally, the optimized Ag NPs@HKUST-1 (wherein Ag is l6.67 wt%) exhibited the highest degradation efficacy with an equilibrium rate constant and half-life for HD of 0.0450 min-1 and 15.34 min, respectively. These values were significantly higher than those for pure HKUST-1 with an equilibrium rate constant and half-life for HD of 0.0168 min-1 and 41.29 min, under the same experimental conditions. Gas chromatography-mass spectrometry (GC-MS) analysis on the product of 2-chloroethylethyl sulfide (2-CEES) degraded by Ag NPs@HKUST-1 showed that 2-hydroxyethyl ethyl sulfide (2-HEES) is the sole product, indicating that the remarkable enhancement of the degradation of HD must be due to the Ag NPs, which can promote hydrolysis of the chemical war agent in the composite.
Collapse
Affiliation(s)
- Yanqin Li
- State Key Laboratory of Chemical Resource Engineering, Institute of Science, Beijing University of Chemical Technology, Beijing 100029, China
| | - Qi Gao
- State Key Laboratory of Chemical Resource Engineering, Institute of Science, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yunshan Zhou
- State Key Laboratory of Chemical Resource Engineering, Institute of Science, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Lijuan Zhang
- State Key Laboratory of Chemical Resource Engineering, Institute of Science, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yuxu Zhong
- State Key Laboratory of Toxicology and Medical Counter Measures, Institute of Pharmacology and Toxicology, Academy of Military Sciences PLA China, Beijing 100850, China
| | - Ying Ying
- State Key Laboratory of Toxicology and Medical Counter Measures, Institute of Pharmacology and Toxicology, Academy of Military Sciences PLA China, Beijing 100850, China
| | - Mingcai Zhang
- State Key Laboratory of Chemical Resource Engineering, Institute of Science, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yanqin Liu
- State Key Laboratory of Toxicology and Medical Counter Measures, Institute of Pharmacology and Toxicology, Academy of Military Sciences PLA China, Beijing 100850, China
| | - Yong'an Wang
- State Key Laboratory of Toxicology and Medical Counter Measures, Institute of Pharmacology and Toxicology, Academy of Military Sciences PLA China, Beijing 100850, China
| |
Collapse
|
152
|
Yuan S, Feng L, Wang K, Pang J, Bosch M, Lollar C, Sun Y, Qin J, Yang X, Zhang P, Wang Q, Zou L, Zhang Y, Zhang L, Fang Y, Li J, Zhou HC. Stable Metal-Organic Frameworks: Design, Synthesis, and Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1704303. [PMID: 29430732 DOI: 10.1002/adma.201704303] [Citation(s) in RCA: 1123] [Impact Index Per Article: 187.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 10/27/2017] [Indexed: 05/17/2023]
Abstract
Metal-organic frameworks (MOFs) are an emerging class of porous materials with potential applications in gas storage, separations, catalysis, and chemical sensing. Despite numerous advantages, applications of many MOFs are ultimately limited by their stability under harsh conditions. Herein, the recent advances in the field of stable MOFs, covering the fundamental mechanisms of MOF stability, design, and synthesis of stable MOF architectures, and their latest applications are reviewed. First, key factors that affect MOF stability under certain chemical environments are introduced to guide the design of robust structures. This is followed by a short review of synthetic strategies of stable MOFs including modulated synthesis and postsynthetic modifications. Based on the fundamentals of MOF stability, stable MOFs are classified into two categories: high-valency metal-carboxylate frameworks and low-valency metal-azolate frameworks. Along this line, some representative stable MOFs are introduced, their structures are described, and their properties are briefly discussed. The expanded applications of stable MOFs in Lewis/Brønsted acid catalysis, redox catalysis, photocatalysis, electrocatalysis, gas storage, and sensing are highlighted. Overall, this review is expected to guide the design of stable MOFs by providing insights into existing structures, which could lead to the discovery and development of more advanced functional materials.
Collapse
Affiliation(s)
- Shuai Yuan
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Liang Feng
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Kecheng Wang
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Jiandong Pang
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Matheiu Bosch
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Christina Lollar
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Yujia Sun
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Junsheng Qin
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Xinyu Yang
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Peng Zhang
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Qi Wang
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Lanfang Zou
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Yingmu Zhang
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Liangliang Zhang
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Yu Fang
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Jialuo Li
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
| | - Hong-Cai Zhou
- Department of Chemistry, Texas A&M University, College Station, TX, 77843-3255, USA
- Department of Materials Science and Engineering, Texas A&M University, College Station, TX, 77843-3003, USA
| |
Collapse
|
153
|
Dwyer DB, Lee DT, Boyer S, Bernier WE, Parsons GN, Jones WE. Toxic Organophosphate Hydrolysis Using Nanofiber-Templated UiO-66-NH 2 Metal-Organic Framework Polycrystalline Cylinders. ACS APPLIED MATERIALS & INTERFACES 2018; 10:25794-25803. [PMID: 29972296 DOI: 10.1021/acsami.8b08167] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Metal organic frameworks (MOFs), the UiO series in particular, have attracted much attention because of the high surface area and ability to capture and decontaminate chemical warfare agents. Much work has been done on incorporating these MOFs into or onto textile materials while retaining the desirable properties of the MOF. Many different techniques have been explored to achieve this. Atomic layer deposition (ALD) of TiO2 followed by solvothermal synthesis of MOF has become one of the most adaptable techniques for growing MOFs on the surface of many different polymer fabric materials. However, little work has been done with using this technique on polymer composite materials. In this work, UiO-66-NH2 was grown onto the surface of poly(methyl methacrylate) (PMMA)/Ti(OH)4 and poly(vinylidene fluoride) (PVDF)/Ti(OH)4 composite fibers by first modifying the surface with ALD of TiO2 (@TiO2) followed by solvothermal synthesis of MOF (@MOF). The catalytic activity of these materials was then evaluated using the simulant paraoxon-methyl (DMNP). These new MOF-functionalized composite fabrics were compared to polyamide-6 (PA-6)@TiO2@MOF- and polypropylene (PP)@TiO2@MOF-functionalized fabrics. PMMA/Ti(OH)4@TiO2@MOF fibers resulted in unique hollowed fibers with high surface area of 264 m2/g and fast catalytic activity. The catalytic activity of these samples was found to be related to the active MOF mass fraction on the MOF-functionalized composite fabric, with the hollowed PMMA/Ti(OH)4@TiO2@MOF having the highest weight percent of active MOF and a DMNP t1/2 of 26 min followed by PA-6@TiO2@MOF with 45 min, PVDF/Ti(OH)4@TiO2@MOF with 61 min, and PP@TiO2@MOF with 83 min.
Collapse
Affiliation(s)
- Derek B Dwyer
- Binghamton University State University of New York , 4400 Vestal Parkway East , Binghamton , New York 13902 , United States
| | - Dennis T Lee
- Department of Chemical and Biomolecular Engineering , North Carolina State University , 911 Partners Way , Raleigh , North Carolina 27695 , United States
| | - Steven Boyer
- Binghamton University State University of New York , 4400 Vestal Parkway East , Binghamton , New York 13902 , United States
| | - William E Bernier
- Binghamton University State University of New York , 4400 Vestal Parkway East , Binghamton , New York 13902 , United States
| | - Gregory N Parsons
- Department of Chemical and Biomolecular Engineering , North Carolina State University , 911 Partners Way , Raleigh , North Carolina 27695 , United States
| | - Wayne E Jones
- Binghamton University State University of New York , 4400 Vestal Parkway East , Binghamton , New York 13902 , United States
- University of New Hampshire , 105 Main Street , Durham , New Hampshire 03824 , United States
| |
Collapse
|
154
|
Xu M, Yang S, Gu Z. Two‐Dimensional Metal‐Organic Framework Nanosheets: A Rapidly Growing Class of Versatile Nanomaterials for Gas Separation, MALDI‐TOF Matrix and Biomimetic Applications. Chemistry 2018; 24:15131-15142. [DOI: 10.1002/chem.201800556] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Indexed: 01/17/2023]
Affiliation(s)
- Ming Xu
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials ScienceNanjing Normal University 210023 Nanjing China
| | - Shi‐Shu Yang
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials ScienceNanjing Normal University 210023 Nanjing China
| | - Zhi‐Yuan Gu
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials ScienceNanjing Normal University 210023 Nanjing China
| |
Collapse
|
155
|
Pankajakshan A, Sinha M, Ojha AA, Mandal S. Water-Stable Nanoscale Zirconium-Based Metal-Organic Frameworks for the Effective Removal of Glyphosate from Aqueous Media. ACS OMEGA 2018; 3:7832-7839. [PMID: 31458925 PMCID: PMC6644916 DOI: 10.1021/acsomega.8b00921] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2018] [Accepted: 06/25/2018] [Indexed: 05/19/2023]
Abstract
Two water-stable zirconium-based metal-organic frameworks (MOFs) (NU-1000 and UiO-67) have been synthesized in various size scales (100-2000 nm) for the adsorptive removal of glyphosate from the aqueous media. Both NU-1000 and UiO-67 possess a three-dimensional structure; NU-1000 consists of triangular micropores and wide mesoporous channels (31 Å), whereas UiO-67 has cage-like pores [octahedral (16 Å) and tetrahedral (14 Å) cages]. NU-1000 comprises Zr6(μ3-O)4(μ3-OH)4(H2O)4(OH)4, and UiO-67 contains Zr6O4(OH)4 as secondary building units. These units act as Lewis acid nodes and can interact with the Lewis base phosphate group of the glyphosate. The time taken for reaching equilibrium is found to be reduced considerably as the size of the MOF decreases. The smaller the particle size, the lesser is the diffusion barrier for the analyte, which enhances the interaction between Lewis acidic metal nodes and the Lewis basic center of the glyphosate molecule. NU-1000 was found to be better compared to UiO-67, both in terms of efficiency and reusability. This might be due to the larger pore diameters of the NU-1000. Theoretical calculations revealed that the interaction energy of glyphosate with the nodes of NU-1000 is higher (-37.63 KJ mol-1) compared to UiO-67 (-17.37 KJ mol-1), which might be the possible reason for the higher efficiency of NU-1000.
Collapse
Affiliation(s)
- Asha Pankajakshan
- School of Chemistry, Indian
Institute of Science Education and Research Thiruvananthapuram, Maruthamala (P O), Vithura, 695551 Thiruvananthapuram, Kerala, India
| | - Mekhola Sinha
- School of Chemistry, Indian
Institute of Science Education and Research Thiruvananthapuram, Maruthamala (P O), Vithura, 695551 Thiruvananthapuram, Kerala, India
| | - Anupam Anand Ojha
- School of Chemistry, Indian
Institute of Science Education and Research Thiruvananthapuram, Maruthamala (P O), Vithura, 695551 Thiruvananthapuram, Kerala, India
| | - Sukhendu Mandal
- School of Chemistry, Indian
Institute of Science Education and Research Thiruvananthapuram, Maruthamala (P O), Vithura, 695551 Thiruvananthapuram, Kerala, India
| |
Collapse
|
156
|
Rezaei Kahkha MR, Oveisi AR, Kaykhaii M, Rezaei Kahkha B. Determination of carbamazepine in urine and water samples using amino-functionalized metal-organic framework as sorbent. Chem Cent J 2018; 12:77. [PMID: 29961226 PMCID: PMC6026485 DOI: 10.1186/s13065-018-0446-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 06/26/2018] [Indexed: 11/24/2022] Open
Abstract
A stable and porous amino-functionalized zirconium-based metal organic framework (Zr-MOF-NH2) containing missing linker defects was prepared and fully characterized by FTIR, scanning electron microscopy, powder X-ray diffraction, and BET surface area measurement. The Zr-MOF-NH2 was then applied as an adsorbent in pipette-tip solid phase extraction (PT-SPE) of carbamazepine. Important parameters affecting extraction efficiency such as pH, sample volume, type and volume of eluent, amount of adsorbent, and number of aspirating/dispensing cycles for sample solution and eluent solvent were investigated and optimized. The best extraction efficiency was obtained when pH of 100 µL of sample solution was adjusted to 7.5 and 5 mg of the sorbent was used. Eluent solvent was 10 µL methanol. Linear dynamic range was found to be between 0.1 and 50 µg L−1 and limit of detection for 10 measurement of blank solution was 0.05 µg L−1. This extraction method was coupled to HPLC and was successfully employed for the determination of carbamazepine in urine and water samples. The strategy combined the advantages of fast and easy operation of PT-SPE with robustness and large adsorption capacity of Zr-MOF-NH2.
Collapse
Affiliation(s)
- Mohammad Reza Rezaei Kahkha
- Department of Environmental Health Engineering, Faculty of Health, Zabol University of Medical Sciences, Zabol, Iran. .,Zabol Medicinal Plants Reseach Center, Zabol University of Medical Sciences, Zabol, Iran.
| | | | - Massoud Kaykhaii
- Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, Iran.,Smartphone Analytical Sensors Research Centre, University of Sistan and Baluchestan, Zahedan, Iran
| | - Batool Rezaei Kahkha
- Department of Environmental Health Engineering, Faculty of Health, Zabol University of Medical Sciences, Zabol, Iran
| |
Collapse
|
157
|
Liang H, Yao A, Jiao X, Li C, Chen D. Fast and Sustained Degradation of Chemical Warfare Agent Simulants Using Flexible Self-Supported Metal-Organic Framework Filters. ACS APPLIED MATERIALS & INTERFACES 2018; 10:20396-20403. [PMID: 29806452 DOI: 10.1021/acsami.8b02886] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Self-detoxification filters against lethal chemical warfare agents (CWAs) are highly desirable for the protection of human beings and the environment. In this report, flexible self-supported filters of a series of Zr(IV)-based metal-organic frameworks (MOFs) including UiO-66, UiO-67, and UiO-66-NH2 were successfully prepared and exhibited fast and sustained degradation of CWA simulants. A half-life as short as 2.4 min was obtained for the catalytic hydrolysis of dimethyl 4-nitrophenyl phosphate, and the percent conversion remained above 90% over a long-term exposure of 120 min, well exceeding those of the previously reported composite MOF filters and the corresponding MOF powders. The outstanding detoxification performance of the self-supported fibrous filter comes from the exceptionally high surface area, excellent pore accessibility, and hierarchical structure from the nano- to macroscale. This work demonstrates, for the first time, MOF-only filters as efficient self-detoxification media, which will offer new opportunities for the design and fabrication of functional materials for toxic chemical protection.
Collapse
Affiliation(s)
- Huixin Liang
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering , Shandong University , 250100 Jinan , China
| | - Aonan Yao
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering , Shandong University , 250100 Jinan , China
| | - Xiuling Jiao
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering , Shandong University , 250100 Jinan , China
| | - Cheng Li
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering , Shandong University , 250100 Jinan , China
| | - Dairong Chen
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering , Shandong University , 250100 Jinan , China
| |
Collapse
|
158
|
Collins-Wildman DL, Kim M, Sullivan KP, Plonka AM, Frenkel AI, Musaev DG, Hill CL. Buffer-Induced Acceleration and Inhibition in Polyoxometalate-Catalyzed Organophosphorus Ester Hydrolysis. ACS Catal 2018. [DOI: 10.1021/acscatal.8b00394] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
| | | | | | - Anna M. Plonka
- Department of Material Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| | - Anatoly I. Frenkel
- Department of Material Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| | | | | |
Collapse
|
159
|
Anchored Aluminum Catalyzed Meerwein-Ponndorf-Verley Reduction at the Metal Nodes of Robust MOFs. Inorg Chem 2018; 57:6825-6832. [PMID: 29878771 DOI: 10.1021/acs.inorgchem.8b00119] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Catalytic Meerwein-Ponndorf-Verley reductions of ketones and aldehydes in the presence of isopropyl alcohol were performed at aluminum alkoxide sites that were postsynthetically introduced into robust metal-organic frameworks (MOFs). The aluminum was anchored at the bridging hydroxyl sites inherent in some MOFs. MOFs in the UiO-66/67 family as well as DUT-5 were successfully adapted to this strategy. Incorporation of catalytically active aluminum species greatly enhanced the reactivity of the native MOF at 80 °C in the case of both UiO-66, and was almost solely responsible for catalytic activity in the case of metalated UiO-66 and DUT-5. The site isolation of the catalyst prevented aggregation and complete deactivation of the molecular aluminum catalyst, allowing it to be recovered and recycled in the case of UiO-67. This catalyst also proved to be moderately tolerant to wet isopropyl alcohol.
Collapse
|
160
|
Momeni MR, Cramer CJ. Dual Role of Water in Heterogeneous Catalytic Hydrolysis of Sarin by Zirconium-Based Metal-Organic Frameworks. ACS APPLIED MATERIALS & INTERFACES 2018; 10:18435-18439. [PMID: 29774742 DOI: 10.1021/acsami.8b03544] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Recent experimental studies on ZrIV-based metal-organic frameworks (MOFs) have shown the extraordinary effectiveness of these porous materials for the detoxification of phosphorus-based chemical warfare agents (CWAs). However, pressing challenges remain with respect to characterizing these catalytic processes both at the molecular and crystalline levels. We here use theory to compare the reactivity of different zirconium-based MOFs for the catalytic hydrolysis of the CWA sarin, using both periodic and cluster modeling. We consider both hydrated and dehydrated secondary building units, as well as linker functionalized MOFs, to more fully understand and rationalize available experimental findings as well as to enable concrete predictions for achieving higher activities for the decomposition of CWAs.
Collapse
Affiliation(s)
- Mohammad R Momeni
- Department of Chemistry, Minnesota Supercomputing Institute, and Chemical Theory Center , University of Minnesota , Minneapolis , Minnesota 55455 , United States
| | - Christopher J Cramer
- Department of Chemistry, Minnesota Supercomputing Institute, and Chemical Theory Center , University of Minnesota , Minneapolis , Minnesota 55455 , United States
| |
Collapse
|
161
|
Yuan S, Qin JS, Lollar CT, Zhou HC. Stable Metal-Organic Frameworks with Group 4 Metals: Current Status and Trends. ACS CENTRAL SCIENCE 2018; 4:440-450. [PMID: 29721526 PMCID: PMC5920617 DOI: 10.1021/acscentsci.8b00073] [Citation(s) in RCA: 236] [Impact Index Per Article: 39.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Indexed: 05/20/2023]
Abstract
Group 4 metal-based metal-organic frameworks (MIV-MOFs), including Ti-, Zr-, and Hf-based MOFs, are one of the most attractive classes of MOF materials owing to their superior chemical stability and structural tunability. Despite being a relatively new field, MIV-MOFs have attracted significant research attention in the past few years, leading to exciting advances in syntheses and applications. In this outlook, we start with a brief overview of the history and current status of MIV-MOFs, emphasizing the challenges encountered in their syntheses. The unique properties of MIV-MOFs are discussed, including their high chemical stability and strong tolerance toward defects. Particular emphasis is placed on defect engineering in Zr-MOFs which offers additional routes to tailor their functions. Photocatalysis of MIV-MOF is introduced as a representative example of their emerging applications. Finally, we conclude with the perspective of new opportunities in synthesis and defect engineering.
Collapse
Affiliation(s)
- Shuai Yuan
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843-3255, United States
| | - Jun-Sheng Qin
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843-3255, United States
| | - Christina T. Lollar
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843-3255, United States
| | - Hong-Cai Zhou
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843-3255, United States
- Department
of Materials Science and Engineering, Texas
A&M University, College Station, Texas 77843-3003, United States
- E-mail:
| |
Collapse
|
162
|
Guo Q, Ren L, Kumar P, Cybulskis VJ, Mkhoyan KA, Davis ME, Tsapatsis M. A Chromium Hydroxide/MIL‐101(Cr) MOF Composite Catalyst and Its Use for the Selective Isomerization of Glucose to Fructose. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201712818] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Qiang Guo
- Department of Chemical Engineering and Materials Science University of Minnesota 421 Washington Ave SE Minneapolis MN 55455 USA
| | - Limin Ren
- Department of Chemical Engineering and Materials Science University of Minnesota 421 Washington Ave SE Minneapolis MN 55455 USA
| | - Prashant Kumar
- Department of Chemical Engineering and Materials Science University of Minnesota 421 Washington Ave SE Minneapolis MN 55455 USA
| | - Viktor J. Cybulskis
- Chemical Engineering California Institute of Technology Pasadena CA 91125 USA
| | - K. Andre Mkhoyan
- Department of Chemical Engineering and Materials Science University of Minnesota 421 Washington Ave SE Minneapolis MN 55455 USA
| | - Mark E. Davis
- Chemical Engineering California Institute of Technology Pasadena CA 91125 USA
| | - Michael Tsapatsis
- Department of Chemical Engineering and Materials Science University of Minnesota 421 Washington Ave SE Minneapolis MN 55455 USA
| |
Collapse
|
163
|
Guo Q, Ren L, Kumar P, Cybulskis VJ, Mkhoyan KA, Davis ME, Tsapatsis M. A Chromium Hydroxide/MIL-101(Cr) MOF Composite Catalyst and Its Use for the Selective Isomerization of Glucose to Fructose. Angew Chem Int Ed Engl 2018; 57:4926-4930. [PMID: 29490110 DOI: 10.1002/anie.201712818] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Indexed: 11/12/2022]
Abstract
A metal-organic framework (MOF)-based catalyst, chromium hydroxide/MIL-101(Cr), was prepared by a one-pot synthesis method. The combination of chromium hydroxide particles on and within Lewis acidic MIL-101 accomplishes highly selective conversion of glucose to fructose in the presence of ethanol, matching the performance of optimized Sn-containing Lewis acidic zeolites. Differently from zeolites, NMR spectroscopy studies with isotopically labeled molecules demonstrate that isomerization of glucose to fructose on this catalyst, proceeds predominantly via a proton transfer mechanism.
Collapse
Affiliation(s)
- Qiang Guo
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Ave SE, Minneapolis, MN, 55455, USA
| | - Limin Ren
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Ave SE, Minneapolis, MN, 55455, USA
| | - Prashant Kumar
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Ave SE, Minneapolis, MN, 55455, USA
| | - Viktor J Cybulskis
- Chemical Engineering, California Institute of Technology, Pasadena, CA, 91125, USA
| | - K Andre Mkhoyan
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Ave SE, Minneapolis, MN, 55455, USA
| | - Mark E Davis
- Chemical Engineering, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Michael Tsapatsis
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Ave SE, Minneapolis, MN, 55455, USA
| |
Collapse
|
164
|
Dhummakupt ES, Carmany DO, Mach PM, Tovar TM, Ploskonka AM, Demond PS, DeCoste JB, Glaros T. Metal-Organic Framework Modified Glass Substrate for Analysis of Highly Volatile Chemical Warfare Agents by Paper Spray Mass Spectrometry. ACS APPLIED MATERIALS & INTERFACES 2018; 10:8359-8365. [PMID: 29411963 DOI: 10.1021/acsami.7b19232] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Paper spray mass spectrometry has been shown to successfully analyze chemical warfare agent (CWA) simulants. However, due to the volatility differences between the simulants and real G-series (i.e., sarin, soman) CWAs, analysis from an untreated paper substrate proved difficult. To extend the analytical lifetime of these G-agents, metal-organic frameworks (MOFs) were successfully integrated onto the paper spray substrates to increase adsorption and desorption. In this study, several MOFs and nanoparticles were tested to extend the analytical lifetimes of sarin, soman, and cyclosarin on paper spray substrates. It was found that the addition of either UiO-66 or HKUST-1 to the paper substrate increased the analytical lifetime of the G-agents from less than 5 min detectability to at least 50 min.
Collapse
Affiliation(s)
- Elizabeth S Dhummakupt
- Research and Technology Directorate , U.S. Army Edgewood Chemical Biological Center (ECBC) , Aberdeen Proving Ground , Maryland 21010 , United States
| | - Daniel O Carmany
- Excet, Inc. 6225 Brandon Avenue, Suite 360 , Springfield , Virginia 22150 , United States
| | - Phillip M Mach
- Excet, Inc. 6225 Brandon Avenue, Suite 360 , Springfield , Virginia 22150 , United States
| | - Trenton M Tovar
- Research and Technology Directorate , U.S. Army Edgewood Chemical Biological Center (ECBC) , Aberdeen Proving Ground , Maryland 21010 , United States
| | - Ann M Ploskonka
- Leidos, Inc. , Edgewood Chemical Biological Center (ECBC) , P.O. Box 68, Aberdeen Proving Ground , Maryland 21010 , United States
| | - Paul S Demond
- Excet, Inc. 6225 Brandon Avenue, Suite 360 , Springfield , Virginia 22150 , United States
| | - Jared B DeCoste
- Research and Technology Directorate , U.S. Army Edgewood Chemical Biological Center (ECBC) , Aberdeen Proving Ground , Maryland 21010 , United States
| | - Trevor Glaros
- Research and Technology Directorate , U.S. Army Edgewood Chemical Biological Center (ECBC) , Aberdeen Proving Ground , Maryland 21010 , United States
| |
Collapse
|
165
|
Kaledin AL, Driscoll DM, Troya D, Collins-Wildman DL, Hill CL, Morris JR, Musaev DG. Impact of ambient gases on the mechanism of [Cs 8Nb 6O 19]-promoted nerve-agent decomposition. Chem Sci 2018; 9:2147-2158. [PMID: 29719688 PMCID: PMC5896467 DOI: 10.1039/c7sc04997h] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 01/05/2018] [Indexed: 11/26/2022] Open
Abstract
Polyoxoniobate catalyst, nerve agent decomposition, reaction mechanism, impact of ambient gases on the stability and reactivity of the polyoxoniobate.
The impact of ambient gas molecules (X), NO2, CO2 and SO2 on the structure, stability and decontamination activity of Cs8Nb6O19 polyoxometalate was studied computationally and experimentally. It was found that Cs8Nb6O19 absorbs these molecules more strongly than it adsorbs water and Sarin (GB) and that these interactions hinder nerve agent decontamination. The impacts of diamagnetic CO2 and SO2 molecules on polyoxoniobate Cs8Nb6O19 were fundamentally different from that of NO2 radical. At ambient temperatures, weak coordination of the first NO2 radical to Cs8Nb6O19 conferred partial radical character on the polyoxoniobate and promoted stronger coordination of the second NO2 adsorbent to form a stable diamagnetic Cs8Nb6O19/(NO2)2 species. Moreover, at low temperatures, NO2 radicals formed stable dinitrogen tetraoxide (N2O4) that weakly interacted with Cs8Nb6O19. It was found that both in the absence and presence of ambient gas molecules, GB decontamination by the Cs8Nb6O19 species proceeds via general base hydrolysis involving: (a) the adsorption of water and the nerve agent on Cs8Nb6O19/(X), (b) concerted hydrolysis of a water molecule on a basic oxygen atom of the polyoxoniobate and nucleophilic addition of the nascent OH group to the phosphorus center of Sarin, and (c) rapid reorganization of the formed pentacoordinated-phosphorus intermediate, followed by dissociation of either HF or isopropanol and formation of POM-bound isopropyl methyl phosphonic acid (i-MPA) or methyl phosphonofluoridic acid (MPFA), respectively. The presence of the ambient gas molecules increases the energy of the intermediate stationary points relative to the asymptote of the reactants and slightly increases the hydrolysis barrier. These changes closely correlate with the Cs8Nb6O19–X complexation energy. The most energetically stable intermediates of the GB hydrolysis and decontamination reaction were found to be Cs8Nb6O19/X-MPFA-(i-POH) and Cs8Nb6O19/X-(i-MPA)-HF both in the absence and presence of ambient gas molecules. The high stability of these intermediates is due to, in part, the strong hydrogen bonding between the adsorbates and the protonated [Cs8Nb6O19/X/H]+-core. Desorption of HF or/and (i-POH) and regeneration of the catalyst required deprotonation of the [Cs8Nb6O19/X/H]+-core and protonation of the phosphonic acids i-MPA and MPFA. This catalyst regeneration is shown to be a highly endothermic process, which is the rate-limiting step of the GB hydrolysis and decontamination reaction both in the absence and presence of ambient gas molecules.
Collapse
Affiliation(s)
- Alexey L Kaledin
- C. L. Emerson Center for Scientific Computation and Department of Chemistry , Emory University , Atlanta , Georgia 30322 , USA .
| | - Darren M Driscoll
- Department of Chemistry , Virginia Tech , Blacksburg , Virginia , 24061 , USA .
| | - Diego Troya
- Department of Chemistry , Virginia Tech , Blacksburg , Virginia , 24061 , USA .
| | | | - Craig L Hill
- Department of Chemistry , Emory University , Atlanta , Georgia 30322 , USA .
| | - John R Morris
- Department of Chemistry , Virginia Tech , Blacksburg , Virginia , 24061 , USA .
| | - Djamaladdin G Musaev
- C. L. Emerson Center for Scientific Computation and Department of Chemistry , Emory University , Atlanta , Georgia 30322 , USA . .,Department of Chemistry , Virginia Tech , Blacksburg , Virginia , 24061 , USA .
| |
Collapse
|
166
|
Schelling M, Kim M, Otal E, Hinestroza J. Decoration of Cotton Fibers with a Water-Stable Metal-Organic Framework (UiO-66) for the Decomposition and Enhanced Adsorption of Micropollutants in Water. Bioengineering (Basel) 2018; 5:E14. [PMID: 29439527 PMCID: PMC5874880 DOI: 10.3390/bioengineering5010014] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Revised: 01/14/2018] [Accepted: 01/14/2018] [Indexed: 11/20/2022] Open
Abstract
We report on the successful functionalization of cotton fabrics with a water-stable metal-organic framework (MOF), UiO-66, under mild solvothermal conditions (80 °C) and its ability to adsorb and degrade water micropollutants. The functionalized cotton samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), and X-ray photoelectron spectroscopy (XPS). UiO-66 crystals grew in a uniform and conformal manner over the surface of the cotton fibers. The cotton fabrics functionalized with UiO-66 frameworks exhibited an enhanced uptake capacity for methylchlorophenoxypropionic acid (MCPP), a commonly used herbicide. The functionalized fabrics also showed photocatalytic activity, demonstrated by the degradation of acetaminophen, a common pharmaceutical compound, under simulated sunlight irradiation. These results indicate that UiO-66 can be supported on textile substrates for filtration and photocatalytic purposes and that these substrates can find applications in wastewater decontamination and micropollutant degradation.
Collapse
Affiliation(s)
- Marion Schelling
- Department of Fiber Science, Cornell University, Ithaca, NY 14853, USA.
| | - Manuela Kim
- Division of Porous Materials, UNIDEF, CITEDEF, CONICET, S. J. B de la Salle 4397, Villa Martelli (B1603ALO), Buenos Aires 1603, Argentina.
- Laboratory for Materials Science and Technology, FRSC-UTN, Av. Inmigrantes 555, Río Gallegos 9400, Argentina.
| | - Eugenio Otal
- Division of Porous Materials, UNIDEF, CITEDEF, CONICET, S. J. B de la Salle 4397, Villa Martelli (B1603ALO), Buenos Aires 1603, Argentina.
- Laboratory for Materials Science and Technology, FRSC-UTN, Av. Inmigrantes 555, Río Gallegos 9400, Argentina.
| | - Juan Hinestroza
- Department of Fiber Science, Cornell University, Ithaca, NY 14853, USA.
| |
Collapse
|
167
|
Choi J, Moon DS, Ryu SG, Lee B, Ying WB, Lee KJ. N-chloro hydantoin functionalized polyurethane fibers toward protective cloth against chemical warfare agents. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.01.066] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
168
|
Jin C, Zhang S, Zhang Z, Chen Y. Mimic Carbonic Anhydrase Using Metal-Organic Frameworks for CO 2 Capture and Conversion. Inorg Chem 2018; 57:2169-2174. [PMID: 29381346 DOI: 10.1021/acs.inorgchem.7b03021] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Carbonic anhydrase (CA) is a zinc-containing metalloprotein, in which the Zn active center plays the key role to transform CO2 into carbonate. Inspired by nature, herein we used metal-organic frameworks (MOFs) to mimic CA for CO2 conversion, on the basis of the structural similarity between the Zn coordination in MOFs and CA active center. The biomimetic activity of MOFs was investigated by detecting the hydrolysis of para-nitrophenyl acetate, which is a model reaction used to evaluate CA activity. The biomimetic materials (e.g., CFA-1) showed good catalytic activity, and excellent reusability, and solvent and thermal stability, which is very important for practical applications. In addition, ZIF-100 and CFA-1 were used to mimic CA to convert CO2 gas, and exhibited good efficiency on CO2 conversion compared with those of other porous materials (e.g., MCM-41, active carbon). This biomimetic study revealed a novel CO2 treatment method. Instead of simply using MOFs to absorb CO2, ZIF-100 and CFA-1 were used to mimic CA for in situ CO2 conversion, which provides a new prospect in the biological and industrial applications of MOFs.
Collapse
Affiliation(s)
- Chaonan Jin
- State Key Laboratory of Medicinal Chemical Biology, Nankai University , Tianjin 300071, People's Republic of China
| | - Sainan Zhang
- State Key Laboratory of Medicinal Chemical Biology, Nankai University , Tianjin 300071, People's Republic of China
| | - Zhenjie Zhang
- Key Laboratory of Functional Polymer Materials, Ministry of Education, Nankai University , Tianjin 300071, People's Republic of China.,College of Chemistry, Nankai University , Tianjin 300071, People's Republic of China
| | - Yao Chen
- State Key Laboratory of Medicinal Chemical Biology, Nankai University , Tianjin 300071, People's Republic of China.,College of Pharmacy, Nankai University , Tianjin 300071, People's Republic of China
| |
Collapse
|
169
|
Wang H, Lustig WP, Li J. Sensing and capture of toxic and hazardous gases and vapors by metal–organic frameworks. Chem Soc Rev 2018. [DOI: 10.1039/c7cs00885f] [Citation(s) in RCA: 408] [Impact Index Per Article: 68.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This review summaries recent progress in the luminescent detection and adsorptive removal of harmful gases and vapors by metal–organic frameworks, as well as the principles and strategies guiding the design of these materials.
Collapse
Affiliation(s)
- Hao Wang
- Department of Chemistry and Chemical Biology
- Rutgers University
- Piscataway
- USA
| | - William P. Lustig
- Department of Chemistry and Chemical Biology
- Rutgers University
- Piscataway
- USA
| | - Jing Li
- Department of Chemistry and Chemical Biology
- Rutgers University
- Piscataway
- USA
| |
Collapse
|
170
|
Kim MK, Kim SH, Park M, Ryu SG, Jung H. Degradation of chemical warfare agents over cotton fabric functionalized with UiO-66-NH2. RSC Adv 2018; 8:41633-41638. [PMID: 35559276 PMCID: PMC9091930 DOI: 10.1039/c8ra06805d] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 12/05/2018] [Indexed: 11/29/2022] Open
Abstract
Herein, cotton fabric was treated with an alkaline solution to increase the content of surface hydroxyl groups and then functionalized with UiO-66-NH2, a nanoporous metal–organic framework. Instrumental analysis of the thus treated fabric revealed that its surface was covered with UiO-66-NH2 crystals in a uniform manner. The ability of the functionalized fabric to degrade two chemical warfare agents (soman and sulfur mustard) was probed by testing its permeability to these two agents (swatch testing), and the excellent degradation performance was concluded to be well suited for a broad range of filtration and decontamination applications. We develop a very efficient modification method of cotton fabric to be functionalized with a MOF via mercerization.![]()
Collapse
Affiliation(s)
- Min-Kun Kim
- Agency for Defense Development
- Daejeon 34186
- Republic of Korea
| | - Sung Hun Kim
- Agency for Defense Development
- Daejeon 34186
- Republic of Korea
| | - Myungkyu Park
- Agency for Defense Development
- Daejeon 34186
- Republic of Korea
| | - Sam Gon Ryu
- Agency for Defense Development
- Daejeon 34186
- Republic of Korea
| | - Hyunsook Jung
- Agency for Defense Development
- Daejeon 34186
- Republic of Korea
| |
Collapse
|
171
|
Li H, Ma L, Zhou L, Gao J, Huang Z, He Y, Jiang Y. An integrated nanocatalyst combining enzymatic and metal–organic framework catalysts for cascade degradation of organophosphate nerve agents. Chem Commun (Camb) 2018; 54:10754-10757. [DOI: 10.1039/c8cc06727a] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
An integrated nanocatalyst that combined a metal–organic framework-based catalyst and a biocatalyst was developed for cascade degradation of organophosphate nerve agents.
Collapse
Affiliation(s)
- Haibin Li
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- P. R. China
| | - Li Ma
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- P. R. China
| | - Liya Zhou
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- P. R. China
| | - Jing Gao
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- P. R. China
| | - Zhihong Huang
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- P. R. China
| | - Ying He
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- P. R. China
| | - Yanjun Jiang
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- P. R. China
- National-Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources Utilization
| |
Collapse
|
172
|
Liang C, Yu Y, Chen C, Lou Y, Wang L, Liu K, Chen XB, Li C, Shi Z. Rational design of CNTs with encapsulated Co nanospheres as superior acid- and base-resistant microwave absorbers. Dalton Trans 2018; 47:11554-11562. [DOI: 10.1039/c8dt02037j] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A Co@CNT material with a specific coating structure displays good EM wave absorption, even after treatment with concentrated acid or base.
Collapse
Affiliation(s)
- Chen Liang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- People's Republic of China
| | - Ying Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- People's Republic of China
| | - Cailing Chen
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- People's Republic of China
| | - Yue Lou
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- People's Republic of China
| | - Lei Wang
- Key Laboratory of Eco-chemical Engineering
- Ministry of Education
- Laboratory of Inorganic Synthesis and Applied Chemistry
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
| | - Kang Liu
- Key Laboratory of Eco-chemical Engineering
- Ministry of Education
- Laboratory of Inorganic Synthesis and Applied Chemistry
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
| | - Xiao-Bo Chen
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- People's Republic of China
- School of Engineering
| | - Chunguang Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- People's Republic of China
| | - Zhan Shi
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- Jilin University
- Changchun 130012
- People's Republic of China
| |
Collapse
|
173
|
Li Y, Gao Q, Zhang L, Zhou Y, Zhong Y, Ying Y, Zhang M, Huang C, Wang Y. H5PV2Mo10O40 encapsulated in MIL-101(Cr): facile synthesis and characterization of rationally designed composite materials for efficient decontamination of sulfur mustard. Dalton Trans 2018; 47:6394-6403. [DOI: 10.1039/c8dt00572a] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A newly synthesized composite H5PV2Mo10O40@MIL-101(Cr) can decontaminate HD quickly and efficiently owing to the synergetic combination of the components.
Collapse
Affiliation(s)
- Yanqin Li
- State Key Laboratory of Chemical Resource Engineering
- Institute of Science
- Beijing University of Chemical Technology
- Beijing 100029
- P. R. China
| | - Qi Gao
- State Key Laboratory of Chemical Resource Engineering
- Institute of Science
- Beijing University of Chemical Technology
- Beijing 100029
- P. R. China
| | - Lijuan Zhang
- State Key Laboratory of Chemical Resource Engineering
- Institute of Science
- Beijing University of Chemical Technology
- Beijing 100029
- P. R. China
| | - Yunshan Zhou
- State Key Laboratory of Chemical Resource Engineering
- Institute of Science
- Beijing University of Chemical Technology
- Beijing 100029
- P. R. China
| | - Yuxu Zhong
- Toxicology and Medical Counter measures
- Institute of Pharmacology and Toxicology
- Academy of Military Sciences PLA China
- Beijing 100850
- P. R. China
| | - Ying Ying
- Toxicology and Medical Counter measures
- Institute of Pharmacology and Toxicology
- Academy of Military Sciences PLA China
- Beijing 100850
- P. R. China
| | - Mingcai Zhang
- State Key Laboratory of Chemical Resource Engineering
- Institute of Science
- Beijing University of Chemical Technology
- Beijing 100029
- P. R. China
| | - Chunqian Huang
- Toxicology and Medical Counter measures
- Institute of Pharmacology and Toxicology
- Academy of Military Sciences PLA China
- Beijing 100850
- P. R. China
| | - Yong'an Wang
- Toxicology and Medical Counter measures
- Institute of Pharmacology and Toxicology
- Academy of Military Sciences PLA China
- Beijing 100850
- P. R. China
| |
Collapse
|
174
|
Kaur G, Singh A, Singh A, Kaur N, Singh N. Cobalt complexes of Biginelli derivatives as fluorescent probes for selective estimation and degradation of organophosphates in aqueous medium. Dalton Trans 2018; 47:5595-5606. [DOI: 10.1039/c8dt00150b] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Bonding between metal complexes of Biginelli derivatives and organophosphates leads to enhancement of emission intensity.
Collapse
Affiliation(s)
- Gaganpreet Kaur
- Centre for Nanoscience & Nanotechnology
- Panjab University
- Chandigarh
- India
| | - Amanpreet Singh
- Department of Chemistry
- Indian Institute of Technology Ropar (IIT Ropar)
- Rupnagar
- India
| | - Ajnesh Singh
- Department of Applied Sciences and Humanities
- Jawaharlal Nehru Government Engineering College
- Mandi
- India
| | - Navneet Kaur
- Department of Chemistry
- Panjab University
- Chandigarh
- India
| | - Narinder Singh
- Department of Chemistry
- Indian Institute of Technology Ropar (IIT Ropar)
- Rupnagar
- India
| |
Collapse
|
175
|
Qin JS, Yuan S, Lollar C, Pang J, Alsalme A, Zhou HC. Stable metal–organic frameworks as a host platform for catalysis and biomimetics. Chem Commun (Camb) 2018; 54:4231-4249. [DOI: 10.1039/c7cc09173g] [Citation(s) in RCA: 111] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Recent years have witnessed the exploration and synthesis of an increasing number of metal–organic frameworks (MOFs). The utilization of stable MOFs as a platform for catalysis and biomimetics is discussed.
Collapse
Affiliation(s)
- Jun-Sheng Qin
- Department of Chemistry
- Texas A&M University
- College Station
- USA
| | - Shuai Yuan
- Department of Chemistry
- Texas A&M University
- College Station
- USA
| | | | - Jiandong Pang
- Department of Chemistry
- Texas A&M University
- College Station
- USA
| | - Ali Alsalme
- Chemistry Department
- College of Science
- King Saud University
- Riyadh 11451
- Saudi Arabia
| | - Hong-Cai Zhou
- Department of Chemistry
- Texas A&M University
- College Station
- USA
- Chemistry Department
| |
Collapse
|
176
|
Tabe H, Terashima C, Yamada Y. Effect of surface acidity of cyano-bridged polynuclear metal complexes on the catalytic activity for the hydrolysis of organophosphates. Catal Sci Technol 2018. [DOI: 10.1039/c8cy01015c] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Heterogeneous catalysis of cyano-bridged polynuclear metal complexes was examined for the hydrolysis of toxic organophosphates. The surface acidity of cyano-bridged polynuclear metal complexes strongly effects on the catalytic activity.
Collapse
Affiliation(s)
- Hiroyasu Tabe
- Department of Applied Chemistry and Bioengineering
- Graduate School of Engineering
- Osaka City University
- Osaka 558-8585
- Japan
| | - Chihiro Terashima
- Department of Applied Chemistry and Bioengineering
- Graduate School of Engineering
- Osaka City University
- Osaka 558-8585
- Japan
| | - Yusuke Yamada
- Department of Applied Chemistry and Bioengineering
- Graduate School of Engineering
- Osaka City University
- Osaka 558-8585
- Japan
| |
Collapse
|
177
|
Border SE, Pavlović RZ, Zhiquan L, Badjić JD. Removal of Nerve Agent Simulants from Water Using Light-Responsive Molecular Baskets. J Am Chem Soc 2017; 139:18496-18499. [PMID: 29215276 DOI: 10.1021/jacs.7b11960] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Sarah E. Border
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Radoslav Z. Pavlović
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Lei Zhiquan
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Jovica D. Badjić
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| |
Collapse
|
178
|
Metal–organic frameworks as media for the catalytic degradation of chemical warfare agents. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.10.010] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
|
179
|
Giannakoudakis DA, Hu Y, Florent M, Bandosz TJ. Smart textiles of MOF/g-C 3N 4 nanospheres for the rapid detection/detoxification of chemical warfare agents. NANOSCALE HORIZONS 2017; 2:356-364. [PMID: 32260666 DOI: 10.1039/c7nh00081b] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Smart textiles consisting of cotton, Cu-BTC MOF and oxidized graphitic carbon nitride, g-C3N4-ox, nanospheres were synthesized and tested as nerve agent detoxification media and colorimetric detectors. Combining Cu-BTC and g-C3N4-ox resulted in a nanocomposite (MOFgCNox) of heterogeneous porosity and chemistry. Upon the deposition of MOFgCNox onto cotton textiles, a stable fabric with a supreme photocatalytic detoxification ability towards the nerve gas surrogate, dimethyl chlorophosphate, was obtained. The detoxification process was accompanied by a visible and gradual color change, which can be used for the selective detection of chemical warfare agents and for monitoring their penetration inside a protective layer. These smart textiles adsorbed almost 7 g of CWA surrogate/its detoxification products per gram of Cu. The superior performance was linked to the high dispersion of the MOF crystals on the fibers, and a specific texture promoting the availability of the active copper centers.
Collapse
|
180
|
Park HJ, Jang JK, Kim SY, Ha JW, Moon D, Kang IN, Bae YS, Kim S, Hwang DH. Synthesis of a Zr-Based Metal-Organic Framework with Spirobifluorenetetrabenzoic Acid for the Effective Removal of Nerve Agent Simulants. Inorg Chem 2017; 56:12098-12101. [PMID: 28967745 DOI: 10.1021/acs.inorgchem.7b02022] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A new microporous Zr(IV)-based metal-organic framework (MOF) containing 4,4',4″,4‴-(9,9'-spirobi[fluorene]-2,2',7,7'-tetrayl)tetrabenzoic acid (Spirof-MOF) was synthesized, characterized, and size-controlled for the adsorption and decomposition of a nerve agent simulant, dimethyl 4-nitrophenylphosphate (DMNP). Spirof-MOF showed a hydrolysis half-life (t1/2) of 7.5 min to DMNP, which was confirmed by using in situ 31P NMR spectroscopy. Additionally, size-controlled Spirof-MOFb (∼1 μm) exhibited a half-life of 1.8 min and 99% removal within 18 min for DMNP. The results show that Spirof-MOF is a new active material in removing nerve agent simulants by adsorption and hydrolytic decomposition.
Collapse
Affiliation(s)
- Hea Jung Park
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University , Busan 609-735, Republic of Korea
| | - Jin Kyu Jang
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University , Busan 609-735, Republic of Korea
| | - Seo-Yul Kim
- Department of Chemical and Biomolecular Engineering, Yonsei University , 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Jong-Woon Ha
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University , Busan 609-735, Republic of Korea
| | - Dohyun Moon
- Beamline Division, Pohang Accelerator Laboratory , Pohang, Kyungbuk 790-784, Republic of Korea
| | - In-Nam Kang
- Department of Chemistry, The Catholic University of Korea , Bucheon, Gyeonggi-do 420-743, Republic of Korea
| | - Youn-Sang Bae
- Department of Chemical and Biomolecular Engineering, Yonsei University , 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Suhkmann Kim
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University , Busan 609-735, Republic of Korea
| | - Do-Hoon Hwang
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University , Busan 609-735, Republic of Korea
| |
Collapse
|
181
|
de Koning MC, van Grol M, Breijaert T. Degradation of Paraoxon and the Chemical Warfare Agents VX, Tabun, and Soman by the Metal-Organic Frameworks UiO-66-NH 2, MOF-808, NU-1000, and PCN-777. Inorg Chem 2017; 56:11804-11809. [PMID: 28926222 DOI: 10.1021/acs.inorgchem.7b01809] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
In recent years, Zr-based metal-organic frameworks (MOFs) have been developed that facilitate catalytic degradation of toxic organophosphate agents, such as chemical warfare agents (CWAs). Because of strict regulations, experiments using live agents are not possible for most laboratories and, as a result, simulants are used in the majority of cases. Reports that employ real CWAs are scarce and do not cover the whole spectrum of agents. We here present a comparative study in which UiO-66-NH2, NU-1000, MOF-808, and PCN-777 are evaluated for their effectiveness in the degradation of paraoxon and the chemical warfare agents tabun, VX, and soman, in N-ethylmorpholine buffer (pH 10) as well as in pure water. All MOFs showed excellent ability to degrade the agents under basic conditions. It was further disclosed that tabun is degraded by different mechanisms depending on the conditions. The presence of an amine, either as part of the MOF structure (UiO-66-NH2) or in the agent itself (VX, tabun), is the most important factor governing degradation rates in water. The results show that MOFs have great potential in future protective applications. Although the use of simulants provides valuable information for initial screening and selection of new MOFs, the use of live agents revealed additional mechanisms that should aid the future development of even better catalysts.
Collapse
Affiliation(s)
| | - Marco van Grol
- TNO , Lange Kleiweg 137, 2288 GJ Rijswijk, The Netherlands
| | - Troy Breijaert
- TNO , Lange Kleiweg 137, 2288 GJ Rijswijk, The Netherlands
| |
Collapse
|
182
|
Catalytic degradation of chemical warfare agents and their simulants by metal-organic frameworks. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2016.11.008] [Citation(s) in RCA: 221] [Impact Index Per Article: 31.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
|
183
|
Wang T, Wang J, Yang Y, Su P, Yang Y. Co3O4/Reduced Graphene Oxide Nanocomposites as Effective Phosphotriesterase Mimetics for Degradation and Detection of Paraoxon. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b02223] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Ting Wang
- Beijing Key Laboratory of
Environmentally Harmful Chemical Analysis, College of Science, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jiangning Wang
- Beijing Key Laboratory of
Environmentally Harmful Chemical Analysis, College of Science, Beijing University of Chemical Technology, Beijing 100029, China
| | - Ye Yang
- Beijing Key Laboratory of
Environmentally Harmful Chemical Analysis, College of Science, Beijing University of Chemical Technology, Beijing 100029, China
| | - Ping Su
- Beijing Key Laboratory of
Environmentally Harmful Chemical Analysis, College of Science, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yi Yang
- Beijing Key Laboratory of
Environmentally Harmful Chemical Analysis, College of Science, Beijing University of Chemical Technology, Beijing 100029, China
| |
Collapse
|
184
|
Zhong M, Li H, Chen J, Tao L, Li C, Yang Q. Cooperative Activation of Cobalt-Salen Complexes for Epoxide Hydration Promoted on Flexible Porous Organic Frameworks. Chemistry 2017; 23:11504-11508. [DOI: 10.1002/chem.201702810] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Indexed: 01/06/2023]
Affiliation(s)
- Mingmei Zhong
- State Key Laboratory of Catalysis; i ChEM, Dalian Institute of Chemical Physics; Chinese Academy of Science; Dalian 116023 P. R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
| | - He Li
- State Key Laboratory of Catalysis; i ChEM, Dalian Institute of Chemical Physics; Chinese Academy of Science; Dalian 116023 P. R. China
| | - Jian Chen
- State Key Laboratory of Catalysis; i ChEM, Dalian Institute of Chemical Physics; Chinese Academy of Science; Dalian 116023 P. R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
| | - Lin Tao
- State Key Laboratory of Catalysis; i ChEM, Dalian Institute of Chemical Physics; Chinese Academy of Science; Dalian 116023 P. R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
| | - Can Li
- State Key Laboratory of Catalysis; i ChEM, Dalian Institute of Chemical Physics; Chinese Academy of Science; Dalian 116023 P. R. China
| | - Qihua Yang
- State Key Laboratory of Catalysis; i ChEM, Dalian Institute of Chemical Physics; Chinese Academy of Science; Dalian 116023 P. R. China
| |
Collapse
|
185
|
Gil-San-Millan R, López-Maya E, Hall M, Padial NM, Peterson GW, DeCoste JB, Rodríguez-Albelo LM, Oltra JE, Barea E, Navarro JAR. Chemical Warfare Agents Detoxification Properties of Zirconium Metal-Organic Frameworks by Synergistic Incorporation of Nucleophilic and Basic Sites. ACS APPLIED MATERIALS & INTERFACES 2017; 9:23967-23973. [PMID: 28653852 DOI: 10.1021/acsami.7b06341] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The development of protective self-detoxifying materials is an important societal challenge to counteract risk of attacks employing highly toxic chemical warfare agents (CWAs). In this work, we have developed bifunctional zirconium metal-organic frameworks (MOFs) incorporating variable amounts of nucleophilic amino residues by means of formation of the mixed ligand [Zr6O4(OH)4(bdc)6(1-x)(bdc-NH2)6x] (UiO-66-xNH2) and [Zr6O4(OH)4(bpdc)6(1-x)(bpdc-(NH2)2)6x] (UiO-67-x(NH2)2) systems where bdc = benzene-1,4-dicarboxylate; bdc-NH2= benzene-2-amino-1,4-dicarboxylate; bpdc = 4,4'-biphenyldicarboxylate; bpdc-(NH2)2 = 2,2'-diamino-4,4'-biphenyldicarboxylate and x = 0, 0.25, 0.5, 0.75, 1. In a second step, the UiO-66-xNH2 and UiO-67-x(NH2)2 systems have been postsynthetically modified by introduction of highly basic lithium tert-butoxide (LiOtBu) on the oxohydroxometallic clusters of the mixed ligand MOFs to yield UiO-66-xNH2@LiOtBu and UiO-67-x(NH2)2@LiOtBu materials. The results show that the combination of pre and postsynthetic modifications on these MOF series gives rise to fine-tuning of the catalytic activity toward the hydrolytic degradation of both simulants and real CWAs in unbuffered aqueous solutions. Indeed, UiO-66-0.25NH2@LiOtBu is able to hydrolyze both CWAs simulants (diisopropylfluorophosphate (DIFP), 2-chloroethylethylsulfide (CEES), and real CWAs (soman (GD), sulfur mustard (HD)) quickly in aqueous solution. These results are related to a suitable combination of robustness, nucleophilicity, basicity, and accessibility to the porous framework.
Collapse
Affiliation(s)
- Rodrigo Gil-San-Millan
- Departamento de Química Inorgánica, Universidad de Granada , Avenida Fuentenueva S/N, 18071 Granada, Spain
| | - Elena López-Maya
- Departamento de Química Inorgánica, Universidad de Granada , Avenida Fuentenueva S/N, 18071 Granada, Spain
| | - Morgan Hall
- Edgewood Chemical Biological Center , Aberdeen Proving Ground, Maryland 21010, United States
| | - Natalia M Padial
- Departamento de Química Orgánica, Universidad de Granada , Avenida Fuentenueva S/N, 18071 Granada, Spain
| | - Gregory W Peterson
- Edgewood Chemical Biological Center , Aberdeen Proving Ground, Maryland 21010, United States
| | - Jared B DeCoste
- Edgewood Chemical Biological Center , Aberdeen Proving Ground, Maryland 21010, United States
| | - L Marleny Rodríguez-Albelo
- Departamento de Química Inorgánica, Universidad de Granada , Avenida Fuentenueva S/N, 18071 Granada, Spain
| | - J Enrique Oltra
- Departamento de Química Orgánica, Universidad de Granada , Avenida Fuentenueva S/N, 18071 Granada, Spain
| | - Elisa Barea
- Departamento de Química Inorgánica, Universidad de Granada , Avenida Fuentenueva S/N, 18071 Granada, Spain
| | - Jorge A R Navarro
- Departamento de Química Inorgánica, Universidad de Granada , Avenida Fuentenueva S/N, 18071 Granada, Spain
| |
Collapse
|
186
|
Ploskonka AM, DeCoste JB. Tailoring the Adsorption and Reaction Chemistry of the Metal-Organic Frameworks UiO-66, UiO-66-NH 2, and HKUST-1 via the Incorporation of Molecular Guests. ACS APPLIED MATERIALS & INTERFACES 2017; 9:21579-21585. [PMID: 28595001 DOI: 10.1021/acsami.7b06274] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Metal-organic frameworks (MOFs) are versatile materials highly regarded for their porous nature. Depending on the synthetic method, various guest molecules may remain in the pores or can be systematically loaded for various reasons. Herein, we present a study that explores the effect of guest molecules on the adsorption and reactivity of the MOF in both the gas phase and solution. The differences between guest molecule interactions and the subsequent effects on their activity are described for each system. Interestingly, different effects are observed and described in detail for each class of guest molecules studied. We determine that there is a strong effect of alcohols with the secondary building unit of UiO MOFs, while Lewis bases have an effect on the reactivity of the -NH2 group in UiO-66-NH2 and adsorption by the coordinatively unsaturated copper sites in HKUST-1. These effects must be considered when determining synthesis and activation methods of MOFs toward various applications.
Collapse
Affiliation(s)
- Ann M Ploskonka
- Leidos, Inc., Edgewood Chemical Biological Center , P.O. Box 68, Aberdeen Proving Ground, Maryland 21010, United States
| | - Jared B DeCoste
- Edgewood Chemical Biological Center, U.S. Army Research, Development, and Engineering Command , 5183 Blackhawk Road, Aberdeen Proving Ground, Maryland 21010, United States
| |
Collapse
|
187
|
Rogge SMJ, Bavykina A, Hajek J, Garcia H, Olivos-Suarez AI, Sepúlveda-Escribano A, Vimont A, Clet G, Bazin P, Kapteijn F, Daturi M, Ramos-Fernandez EV, Llabrés i Xamena FX, Van Speybroeck V, Gascon J. Metal-organic and covalent organic frameworks as single-site catalysts. Chem Soc Rev 2017; 46:3134-3184. [PMID: 28338128 PMCID: PMC5708534 DOI: 10.1039/c7cs00033b] [Citation(s) in RCA: 605] [Impact Index Per Article: 86.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Indexed: 12/22/2022]
Abstract
Heterogeneous single-site catalysts consist of isolated, well-defined, active sites that are spatially separated in a given solid and, ideally, structurally identical. In this review, the potential of metal-organic frameworks (MOFs) and covalent organic frameworks (COFs) as platforms for the development of heterogeneous single-site catalysts is reviewed thoroughly. In the first part of this article, synthetic strategies and progress in the implementation of such sites in these two classes of materials are discussed. Because these solids are excellent playgrounds to allow a better understanding of catalytic functions, we highlight the most important recent advances in the modelling and spectroscopic characterization of single-site catalysts based on these materials. Finally, we discuss the potential of MOFs as materials in which several single-site catalytic functions can be combined within one framework along with their potential as powerful enzyme-mimicking materials. The review is wrapped up with our personal vision on future research directions.
Collapse
Affiliation(s)
- S. M. J. Rogge
- Center for Molecular Modeling , Ghent University , Technologiepark 903 , 9052 Zwijnaarde , Belgium .
| | - A. Bavykina
- Delft University of Technology , Chemical Engineering Department , Catalysis Engineering , Van der Maasweg 9 , 2629 HZ Delft , The Netherlands .
| | - J. Hajek
- Center for Molecular Modeling , Ghent University , Technologiepark 903 , 9052 Zwijnaarde , Belgium .
| | - H. Garcia
- Instituto de Tecnología Química UPV-CSIC , Universitat Politècnica de Valencia , Consejo Superior de Investigaciones Científicas , Avda. de los Naranjos, s/n , 46022 , Valencia , Spain .
| | - A. I. Olivos-Suarez
- Delft University of Technology , Chemical Engineering Department , Catalysis Engineering , Van der Maasweg 9 , 2629 HZ Delft , The Netherlands .
| | - A. Sepúlveda-Escribano
- Inorganic Chemistry Department , University Institute of Materials , University of Alicante , Ctra. San Vicente-Alicante s/n , Alicante , Spain .
| | - A. Vimont
- Normandie Université , ENSICAEN , UNICAEN , CNRS , Laboratoire Catalyse et Spectrochimie , 14000 Caen , France .
| | - G. Clet
- Normandie Université , ENSICAEN , UNICAEN , CNRS , Laboratoire Catalyse et Spectrochimie , 14000 Caen , France .
| | - P. Bazin
- Normandie Université , ENSICAEN , UNICAEN , CNRS , Laboratoire Catalyse et Spectrochimie , 14000 Caen , France .
| | - F. Kapteijn
- Delft University of Technology , Chemical Engineering Department , Catalysis Engineering , Van der Maasweg 9 , 2629 HZ Delft , The Netherlands .
| | - M. Daturi
- Normandie Université , ENSICAEN , UNICAEN , CNRS , Laboratoire Catalyse et Spectrochimie , 14000 Caen , France .
| | - E. V. Ramos-Fernandez
- Inorganic Chemistry Department , University Institute of Materials , University of Alicante , Ctra. San Vicente-Alicante s/n , Alicante , Spain .
| | - F. X. Llabrés i Xamena
- Instituto de Tecnología Química UPV-CSIC , Universitat Politècnica de Valencia , Consejo Superior de Investigaciones Científicas , Avda. de los Naranjos, s/n , 46022 , Valencia , Spain .
| | - V. Van Speybroeck
- Center for Molecular Modeling , Ghent University , Technologiepark 903 , 9052 Zwijnaarde , Belgium .
| | - J. Gascon
- Delft University of Technology , Chemical Engineering Department , Catalysis Engineering , Van der Maasweg 9 , 2629 HZ Delft , The Netherlands .
| |
Collapse
|
188
|
Rimoldi M, Gallington LC, Chapman KW, MacRenaris K, Hupp JT, Farha OK. Catalytically Active Silicon Oxide Nanoclusters Stabilized in a Metal–Organic Framework. Chemistry 2017; 23:8532-8536. [DOI: 10.1002/chem.201701902] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Indexed: 11/12/2022]
Affiliation(s)
- Martino Rimoldi
- Department of Chemistry Northwestern University 2145 Sheridan Road Evanston Illinois 60208 USA
| | - Leighanne C. Gallington
- X-ray Science Division Advanced Photon Source Argonne National Laboratory 9700 S. Cass Avenue Argonne Illinois 60439 USA
| | - Karena W. Chapman
- X-ray Science Division Advanced Photon Source Argonne National Laboratory 9700 S. Cass Avenue Argonne Illinois 60439 USA
| | - Keith MacRenaris
- Department of Chemistry Northwestern University 2145 Sheridan Road Evanston Illinois 60208 USA
| | - Joseph T. Hupp
- Department of Chemistry Northwestern University 2145 Sheridan Road Evanston Illinois 60208 USA
| | - Omar K. Farha
- Department of Chemistry Northwestern University 2145 Sheridan Road Evanston Illinois 60208 USA
- Department of Chemistry Faculty of Science King Abdulaziz University Jeddah 21589 Saudi Arabia
| |
Collapse
|
189
|
Azarifar D, Ghorbani-Vaghei R, Daliran S, Oveisi AR. A Multifunctional Zirconium-Based Metal-Organic Framework for the One-Pot Tandem Photooxidative Passerini Three-Component Reaction of Alcohols. ChemCatChem 2017. [DOI: 10.1002/cctc.201700169] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
| | | | - Saba Daliran
- Faculty of Chemistry; Bu-Ali Sina University; Hamedan Iran
| | | |
Collapse
|
190
|
Atomic-Level Structural Dynamics of Polyoxoniobates during DMMP Decomposition. Sci Rep 2017; 7:773. [PMID: 28396583 PMCID: PMC5429595 DOI: 10.1038/s41598-017-00772-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 03/13/2017] [Indexed: 12/31/2022] Open
Abstract
Ambient pressure in situ synchrotron-based spectroscopic techniques have been correlated to illuminate atomic-level details of bond breaking and formation during the hydrolysis of a chemical warfare nerve agent simulant over a polyoxometalate catalyst. Specifically, a Cs8[Nb6O19] polyoxoniobate catalyst has been shown to react readily with dimethyl methylphosphonate (DMMP). The atomic-level transformations of all reactant moieties, the [Nb6O19]8- polyanion, its Cs+ counterions, and the DMMP substrate, were tracked under ambient conditions by a combination of X-ray absorption fine structure spectroscopy, Raman spectroscopy, and X-ray diffraction. Results reveal that the reaction mechanism follows general base (in contrast to specific base) hydrolysis. Together with computational results, the work demonstrates that the ultimate fate of DMMP hydrolysis at the Cs8[Nb6O19] catalyst is strong binding of the (methyl) methylphosphonic acid ((M)MPA) product to the polyanions, which ultimately inhibits catalytic turnover.
Collapse
|
191
|
Kim S, Ying WB, Jung H, Ryu SG, Lee B, Lee KJ. Zirconium Hydroxide-coated Nanofiber Mats for Nerve Agent Decontamination. Chem Asian J 2017; 12:698-705. [DOI: 10.1002/asia.201601729] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Revised: 01/21/2017] [Indexed: 12/31/2022]
Affiliation(s)
- Sohee Kim
- Department of Fine Chemical Engineering and Applied Chemistry; College of Engineering; Chungnam National University; 99 Daehak-ro (st) Yuseong-gu Daejeon 305-764 Republic of Korea
| | - Wu Bin Ying
- Department of Fine Chemical Engineering and Applied Chemistry; College of Engineering; Chungnam National University; 99 Daehak-ro (st) Yuseong-gu Daejeon 305-764 Republic of Korea
| | - Hyunsook Jung
- The 5th Research and Development Institute; Agency for Defense Development; Yuseong-Gu Daejeon 305-600 South Korea
| | - Sam Gon Ryu
- The 5th Research and Development Institute; Agency for Defense Development; Yuseong-Gu Daejeon 305-600 South Korea
| | - Bumjae Lee
- Department of Fine Chemical Engineering and Applied Chemistry; College of Engineering; Chungnam National University; 99 Daehak-ro (st) Yuseong-gu Daejeon 305-764 Republic of Korea
| | - Kyung Jin Lee
- Department of Fine Chemical Engineering and Applied Chemistry; College of Engineering; Chungnam National University; 99 Daehak-ro (st) Yuseong-gu Daejeon 305-764 Republic of Korea
| |
Collapse
|
192
|
Ploskonka AM, Marzen SE, DeCoste JB. Facile Synthesis and Direct Activation of Zirconium Based Metal–Organic Frameworks from Acetone. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.6b04361] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ann M. Ploskonka
- Leidos, Inc.,
P.O. Box 68, Aberdeen Proving Ground, Maryland 21010, United States
| | - Stephanie E. Marzen
- Leidos, Inc.,
P.O. Box 68, Aberdeen Proving Ground, Maryland 21010, United States
| | - Jared B. DeCoste
- Edgewood
Chemical
Biological Center, U.S. Army Research, Development, and Engineering
Command, 5183 Blackhawk Road, Aberdeen Proving Ground, Maryland 21010, United States
| |
Collapse
|
193
|
Armstrong MR, Senthilnathan S, Balzer CJ, Shan B, Chen L, Mu B. Particle size studies to reveal crystallization mechanisms of the metal organic framework HKUST-1 during sonochemical synthesis. ULTRASONICS SONOCHEMISTRY 2017; 34:365-370. [PMID: 27773257 DOI: 10.1016/j.ultsonch.2016.06.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 06/09/2016] [Accepted: 06/10/2016] [Indexed: 06/06/2023]
Abstract
Systematic studies of key operating parameters for the sonochemical synthesis of the metal organic framework (MOF) HKUST-1(also called CuBTC) were performed including reaction time, reactor volume, sonication amplitude, sonication tip size, solvent composition, and reactant concentrations analyzed through SEM particle size analysis. Trends in the particle size and size distributions show reproducible control of average particle sizes between 1 and 4μm. These results along with complementary studies in sonofragmentation and temperature control were conducted to compare these results to kinetic crystal growth models found in literature to develop a plausible hypothetical mechanism for ultrasound-assisted growth of metal-organic-frameworks composed of a competitive mechanism including constructive solid-on-solid (SOS) crystal growth and a deconstructive sonofragmentation.
Collapse
Affiliation(s)
- Mitchell R Armstrong
- School for the Engineering of Materials, Transport, and Energy, Arizona State University, 501 East Tyler Mall, Tempe, AZ, USA
| | - Sethuraman Senthilnathan
- School for the Engineering of Materials, Transport, and Energy, Arizona State University, 501 East Tyler Mall, Tempe, AZ, USA
| | - Christopher J Balzer
- School for the Engineering of Materials, Transport, and Energy, Arizona State University, 501 East Tyler Mall, Tempe, AZ, USA
| | - Bohan Shan
- School for the Engineering of Materials, Transport, and Energy, Arizona State University, 501 East Tyler Mall, Tempe, AZ, USA
| | - Liang Chen
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, PR China.
| | - Bin Mu
- School for the Engineering of Materials, Transport, and Energy, Arizona State University, 501 East Tyler Mall, Tempe, AZ, USA.
| |
Collapse
|
194
|
McCarthy DL, Liu J, Dwyer DB, Troiano JL, Boyer SM, DeCoste JB, Bernier WE, Jones, Jr WE. Electrospun metal–organic framework polymer composites for the catalytic degradation of methyl paraoxon. NEW J CHEM 2017. [DOI: 10.1039/c7nj00525c] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Electrospun polymer fibers containing poly(methyl methacrylate) (PMMA), Ti(OH)4, and UiO-66 convert a chemical warfare agent simulant to non-toxic product via catalytic hydrolysis.
Collapse
Affiliation(s)
- Danielle L. McCarthy
- Department of Chemistry
- Binghamton University-State University of New York
- Binghamton
- New York
- USA
| | - Jian Liu
- Department of Chemistry
- Binghamton University-State University of New York
- Binghamton
- New York
- USA
| | - Derek B. Dwyer
- Department of Chemistry
- Binghamton University-State University of New York
- Binghamton
- New York
- USA
| | - Jennifer L. Troiano
- Department of Chemistry
- Binghamton University-State University of New York
- Binghamton
- New York
- USA
| | - Steven M. Boyer
- Department of Chemistry
- Binghamton University-State University of New York
- Binghamton
- New York
- USA
| | | | - William E. Bernier
- Department of Chemistry
- Binghamton University-State University of New York
- Binghamton
- New York
- USA
| | - Wayne E. Jones, Jr
- Department of Chemistry
- Binghamton University-State University of New York
- Binghamton
- New York
- USA
| |
Collapse
|
195
|
Bobbitt NS, Mendonca ML, Howarth AJ, Islamoglu T, Hupp JT, Farha OK, Snurr RQ. Metal–organic frameworks for the removal of toxic industrial chemicals and chemical warfare agents. Chem Soc Rev 2017; 46:3357-3385. [DOI: 10.1039/c7cs00108h] [Citation(s) in RCA: 593] [Impact Index Per Article: 84.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Toxic gases can be captured or degraded by metal–organic frameworks.
Collapse
Affiliation(s)
- N. Scott Bobbitt
- Department of Chemical and Biological Engineering
- Northwestern University
- Evanston
- USA
| | - Matthew L. Mendonca
- Department of Chemical and Biological Engineering
- Northwestern University
- Evanston
- USA
| | | | | | - Joseph T. Hupp
- Department of Chemistry
- Northwestern University
- Evanston
- USA
| | - Omar K. Farha
- Department of Chemistry
- Northwestern University
- Evanston
- USA
- Department of Chemistry
| | - Randall Q. Snurr
- Department of Chemical and Biological Engineering
- Northwestern University
- Evanston
- USA
| |
Collapse
|
196
|
Asha P, Sinha M, Mandal S. Effective removal of chemical warfare agent simulants using water stable metal–organic frameworks: mechanistic study and structure–property correlation. RSC Adv 2017. [DOI: 10.1039/c6ra28131a] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Water stable zirconium based MOFs are used for the efficient adsorptive removal of chemical warfare agent simulants from aqueous medium.
Collapse
Affiliation(s)
- P. Asha
- School of Chemistry
- Indian Institute of Science Education and Research
- Thiruvananthapuram
- India
| | - Mekhola Sinha
- School of Chemistry
- Indian Institute of Science Education and Research
- Thiruvananthapuram
- India
| | - Sukhendu Mandal
- School of Chemistry
- Indian Institute of Science Education and Research
- Thiruvananthapuram
- India
| |
Collapse
|
197
|
Xia M, Zhuo C, Ma X, Zhang X, Sun H, Zhai Q, Zhang Y. Assembly of the active center of organophosphorus hydrolase in metal–organic frameworks via rational combination of functional ligands. Chem Commun (Camb) 2017; 53:11302-11305. [DOI: 10.1039/c7cc06270b] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Mimicking the total coordination sphere of the active center of organophosphorus hydrolase in MOFs to destruct nerve agents without co-catalysts.
Collapse
Affiliation(s)
- Mengfan Xia
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
| | - Caixia Zhuo
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
| | - Xuejuan Ma
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
| | - Xiaohong Zhang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
| | - Huaming Sun
- Key Laboratory of Macromolecular Science of Shaanxi Province
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- China
| | - Quanguo Zhai
- Key Laboratory of Macromolecular Science of Shaanxi Province
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- China
| | - Yaodong Zhang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
| |
Collapse
|
198
|
Rimoldi M, Howarth AJ, DeStefano MR, Lin L, Goswami S, Li P, Hupp JT, Farha OK. Catalytic Zirconium/Hafnium-Based Metal–Organic Frameworks. ACS Catal 2016. [DOI: 10.1021/acscatal.6b02923] [Citation(s) in RCA: 246] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Martino Rimoldi
- Department
of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Ashlee J. Howarth
- Department
of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Matthew R. DeStefano
- Department
of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Lu Lin
- Department
of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Subhadip Goswami
- Department
of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Peng Li
- Department
of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Joseph T. Hupp
- Department
of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Omar K. Farha
- Department
of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Department
of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| |
Collapse
|
199
|
Zhao J, Lee DT, Yaga RW, Hall MG, Barton HF, Woodward IR, Oldham CJ, Walls HJ, Peterson GW, Parsons GN. Ultra-Fast Degradation of Chemical Warfare Agents Using MOF-Nanofiber Kebabs. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201606656] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Junjie Zhao
- Department of Chemical and Biomolecular Engineering; North Carolina State University; 911 Partners Way Raleigh NC 27695 USA
| | - Dennis T. Lee
- Department of Chemical and Biomolecular Engineering; North Carolina State University; 911 Partners Way Raleigh NC 27695 USA
| | - Robert W. Yaga
- RTI International; 3040 East Cornwallis Road Research Triangle Park NC 27709 USA
| | - Morgan G. Hall
- Edgewood Chemical Biological Center; 5183 Blackhawk Road Aberdeen Proving Ground MD 21010 USA
| | - Heather F. Barton
- Department of Chemical and Biomolecular Engineering; North Carolina State University; 911 Partners Way Raleigh NC 27695 USA
| | - Ian R. Woodward
- Department of Chemical and Biomolecular Engineering; North Carolina State University; 911 Partners Way Raleigh NC 27695 USA
| | - Christopher J. Oldham
- Department of Chemical and Biomolecular Engineering; North Carolina State University; 911 Partners Way Raleigh NC 27695 USA
| | - Howard J. Walls
- RTI International; 3040 East Cornwallis Road Research Triangle Park NC 27709 USA
| | - Gregory W. Peterson
- Edgewood Chemical Biological Center; 5183 Blackhawk Road Aberdeen Proving Ground MD 21010 USA
| | - Gregory N. Parsons
- Department of Chemical and Biomolecular Engineering; North Carolina State University; 911 Partners Way Raleigh NC 27695 USA
| |
Collapse
|
200
|
Zhao J, Lee DT, Yaga RW, Hall MG, Barton HF, Woodward IR, Oldham CJ, Walls HJ, Peterson GW, Parsons GN. Ultra-Fast Degradation of Chemical Warfare Agents Using MOF-Nanofiber Kebabs. Angew Chem Int Ed Engl 2016; 55:13224-13228. [DOI: 10.1002/anie.201606656] [Citation(s) in RCA: 151] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2016] [Revised: 08/16/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Junjie Zhao
- Department of Chemical and Biomolecular Engineering; North Carolina State University; 911 Partners Way Raleigh NC 27695 USA
| | - Dennis T. Lee
- Department of Chemical and Biomolecular Engineering; North Carolina State University; 911 Partners Way Raleigh NC 27695 USA
| | - Robert W. Yaga
- RTI International; 3040 East Cornwallis Road Research Triangle Park NC 27709 USA
| | - Morgan G. Hall
- Edgewood Chemical Biological Center; 5183 Blackhawk Road Aberdeen Proving Ground MD 21010 USA
| | - Heather F. Barton
- Department of Chemical and Biomolecular Engineering; North Carolina State University; 911 Partners Way Raleigh NC 27695 USA
| | - Ian R. Woodward
- Department of Chemical and Biomolecular Engineering; North Carolina State University; 911 Partners Way Raleigh NC 27695 USA
| | - Christopher J. Oldham
- Department of Chemical and Biomolecular Engineering; North Carolina State University; 911 Partners Way Raleigh NC 27695 USA
| | - Howard J. Walls
- RTI International; 3040 East Cornwallis Road Research Triangle Park NC 27709 USA
| | - Gregory W. Peterson
- Edgewood Chemical Biological Center; 5183 Blackhawk Road Aberdeen Proving Ground MD 21010 USA
| | - Gregory N. Parsons
- Department of Chemical and Biomolecular Engineering; North Carolina State University; 911 Partners Way Raleigh NC 27695 USA
| |
Collapse
|