1
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Kim DW, Chen Y, Kim H, Kim N, Lee YH, Oh H, Chung YG, Hong CS. High Hydrogen Storage in Trigonal Prismatic Monomer-Based Highly Porous Aromatic Frameworks. Adv Mater 2024:e2401739. [PMID: 38618663 DOI: 10.1002/adma.202401739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/30/2024] [Indexed: 04/16/2024]
Abstract
Hydrogen storage is crucial in the shift toward a carbon-neutral society, where hydrogen serves as a pivotal renewable energy source. Utilizing porous materials can provide an efficient hydrogen storage solution, reducing tank pressures to manageable levels and circumventing the energy-intensive and costly current technological infrastructure. Herein, two highly porous aromatic frameworks (PAFs), C-PAF and Si-PAF, prepared through a Yamamoto C─C coupling reaction between trigonal prismatic monomers, are reported. These PAFs exhibit large pore volumes and Brunauer-Emmett-Teller areas, 3.93 cm3 g-1 and 4857 m2 g-1 for C-PAF, and 3.80 cm3 g-1 and 6099 m2 g-1 for Si-PAF, respectively. Si-PAF exhibits a record-high gravimetric hydrogen delivery capacity of 17.01 wt% and a superior volumetric capacity of 46.5 g L-1 under pressure-temperature swing adsorption conditions (77 K, 100 bar → 160 K, 5 bar), outperforming benchmark hydrogen storage materials. By virtue of the robust C─C covalent bond, both PAFs show impressive structural stabilities in harsh environments and unprecedented long-term durability. Computational modeling methods are employed to simulate and investigate the structural and adsorption properties of the PAFs. These results demonstrate that C-PAF and Si-PAF are promising materials for efficient hydrogen storage.
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Affiliation(s)
- Dae Won Kim
- Department of Chemistry, Korea University, Seoul, 02841, Republic of Korea
| | - Yu Chen
- School of Chemical Engineering, Pusan National University, Busan, 46241, Republic of Korea
| | - Hyunlim Kim
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Namju Kim
- Department of Chemistry, Korea University, Seoul, 02841, Republic of Korea
| | - Young Hoon Lee
- Department of Chemistry, Korea University, Seoul, 02841, Republic of Korea
| | - Hyunchul Oh
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Yongchul G Chung
- School of Chemical Engineering, Pusan National University, Busan, 46241, Republic of Korea
| | - Chang Seop Hong
- Department of Chemistry, Korea University, Seoul, 02841, Republic of Korea
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2
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Zhang W, Li Y, Tian Y, Tang D, Zhao Z. Liquid Metal Interfacial Engineering Strategy to Synthesize All-Carbon-Linked Porous Aromatic Frameworks for the Cycloaddition of CO 2 with Epoxides. ACS Appl Mater Interfaces 2024; 16:853-859. [PMID: 38109311 DOI: 10.1021/acsami.3c15912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
This study explores the room-temperature synthesis of porous materials and the immobilization of CO2 without the use of metals. The porous aromatic frameworks synthesized at room temperature retain the important functional group structure, and the abundance of carbon-chlorine bonds creates an excellent environment for imidazole linkage. Consequently, a catalyst conducive to the cycloaddition of carbon dioxide is obtained. Hexachloro-p-xylene is explored as the precursor, and a catalyst conducive to carbon dioxide cycloaddition is obtained. The functionalized porous aromatic frameworks (PAF-280-I/B) possess a conversion of 99.6% with a selectivity of 98.9% toward styrene carbonate (SC). The findings of this study can help mitigate the impact of greenhouse gases and enable the production of organic compounds in the circular carbonate platform, turning waste into valuable resources.
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Affiliation(s)
- Wenting Zhang
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang 110034, China
| | - Yue Li
- Key Lab of Polyoxometalate and Reticular Material Chemistry of Education, Northeast Normal University, Changchun 130024, China
| | - Yuyang Tian
- Key Lab of Polyoxometalate and Reticular Material Chemistry of Education, Northeast Normal University, Changchun 130024, China
| | - Duihai Tang
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang 110034, China
| | - Zhen Zhao
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang 110034, China
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3
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Sheng J, Perego J, Bracco S, Czepa W, Danowski W, Krause S, Sozzani P, Ciesielski A, Comotti A, Feringa BL. Construction of Multi-Stimuli Responsive Highly Porous Switchable Frameworks by In Situ Solid-State Generation of Spiropyran Switches. Adv Mater 2024; 36:e2305783. [PMID: 37643306 DOI: 10.1002/adma.202305783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/11/2023] [Indexed: 08/31/2023]
Abstract
Stimuli-responsive molecular systems support within permanently porous materials offer the opportunity to host dynamic functions in multifunctional smart materials. However, the construction of highly porous frameworks featuring external-stimuli responsiveness, for example by light excitation, is still in its infancy. Here a general strategy is presented to construct spiropyran-functionalized highly porous switchable aromatic frameworks by modular and high-precision anchoring of molecular hooks and an innovative in situ solid-state grafting approach. Three spiropyran-grafted frameworks bearing distinct functional groups exhibiting various stimuli-responsiveness are generated by two-step post-solid-state synthesis of a parent indole-based material. The quantitative transformation and preservation of high porosity are demonstrated by spectroscopic and gas adsorption techniques. For the first time, a highly efficient strategy is provided to construct multi-stimuli-responsive, yet structurally robust, spiropyran materials with high pore capacity which is proved essential for the reversible and quantitative isomerization in the bulk as demonstrated by solid-state NMR spectroscopy. The overall strategy allows to construct dynamic materials that undergoes reversible transformation of spiropyran to zwitterionic merocyanine, by chemical and physical stimulation, showing potential for pH active control, responsive gas uptake and release, contaminant removal, and water harvesting.
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Affiliation(s)
- Jinyu Sheng
- Stratingh Institute for Chemistry, University of Groningen, Groningen, the Netherlands. Nijenborgh 4, Groningen, AG, 9747, The Netherlands
| | - Jacopo Perego
- Department of Materials Science, University of Milano Bicocca, Milan, Italy. Via R. Cozzi 55, Milan, 20125, Italy
| | - Silvia Bracco
- Department of Materials Science, University of Milano Bicocca, Milan, Italy. Via R. Cozzi 55, Milan, 20125, Italy
| | - Włodzimierz Czepa
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, Poznań, 61614, Poland
- Center for Advanced Technologies, Adam Mickiewicz University, Uniwersytetu Poznańskiego 10, Poznań, 61614, Poland
| | - Wojciech Danowski
- Stratingh Institute for Chemistry, University of Groningen, Groningen, the Netherlands. Nijenborgh 4, Groningen, AG, 9747, The Netherlands
- Université de Strasbourg, CNRS, ISIS, 8 allée Gaspard Monge, Strasbourg, 67000, France
| | - Simon Krause
- Stratingh Institute for Chemistry, University of Groningen, Groningen, the Netherlands. Nijenborgh 4, Groningen, AG, 9747, The Netherlands
- Nanochemistry Department, Max Planck Institute for Solid State Research, Heisenbergstr. 1, 70569, Stuttgart, Germany
| | - Piero Sozzani
- Department of Materials Science, University of Milano Bicocca, Milan, Italy. Via R. Cozzi 55, Milan, 20125, Italy
| | - Artur Ciesielski
- Center for Advanced Technologies, Adam Mickiewicz University, Uniwersytetu Poznańskiego 10, Poznań, 61614, Poland
- Université de Strasbourg, CNRS, ISIS, 8 allée Gaspard Monge, Strasbourg, 67000, France
| | - Angiolina Comotti
- Department of Materials Science, University of Milano Bicocca, Milan, Italy. Via R. Cozzi 55, Milan, 20125, Italy
| | - Ben L Feringa
- Stratingh Institute for Chemistry, University of Groningen, Groningen, the Netherlands. Nijenborgh 4, Groningen, AG, 9747, The Netherlands
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4
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Bazhenova MA, Kulikov LA, Makeeva DA, Maximov AL, Karakhanov EA. Hydrodeoxygenation of Lignin-Based Compounds over Ruthenium Catalysts Based on Sulfonated Porous Aromatic Frameworks. Polymers (Basel) 2023; 15:4618. [PMID: 38232050 PMCID: PMC10708665 DOI: 10.3390/polym15234618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/28/2023] [Accepted: 11/30/2023] [Indexed: 01/19/2024] Open
Abstract
Bifunctional catalysts are a major type of heterogeneous catalytic systems that have been widely investigated for biomass upgrading. In this work, Ru-catalysts based on sulfonated porous aromatic frameworks (PAFs) were used in the hydrodeoxygenation (HDO) of lignin-derived compounds: guaiacol, veratrole, and catechol. The relationship between the activity of metal nanoparticles and the content of acid sites in synthesized catalysts was studied. Herein, their synergy was demonstrated in the Ru-PAF-30-SO3H/5-COD catalyst. The results revealed that this catalytic system promoted partial hydrogenation of lignin-based compounds to ketones without any further transformations. The design of the Ru-PAF-30-SO3H/5-COD catalytic system opens a promising route to the selective conversion of lignin model compounds to cyclohexanone.
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Affiliation(s)
- Maria A. Bazhenova
- Department of Petroleum Chemistry and Organic Catalysis, Lomonosov Moscow State University, Moscow 119991, Russia; (M.A.B.); (D.A.M.); (A.L.M.); (E.A.K.)
| | - Leonid A. Kulikov
- Department of Petroleum Chemistry and Organic Catalysis, Lomonosov Moscow State University, Moscow 119991, Russia; (M.A.B.); (D.A.M.); (A.L.M.); (E.A.K.)
| | - Daria A. Makeeva
- Department of Petroleum Chemistry and Organic Catalysis, Lomonosov Moscow State University, Moscow 119991, Russia; (M.A.B.); (D.A.M.); (A.L.M.); (E.A.K.)
| | - Anton L. Maximov
- Department of Petroleum Chemistry and Organic Catalysis, Lomonosov Moscow State University, Moscow 119991, Russia; (M.A.B.); (D.A.M.); (A.L.M.); (E.A.K.)
- Institute of Petrochemical Synthesis RAS, Moscow 119991, Russia
| | - Eduard A. Karakhanov
- Department of Petroleum Chemistry and Organic Catalysis, Lomonosov Moscow State University, Moscow 119991, Russia; (M.A.B.); (D.A.M.); (A.L.M.); (E.A.K.)
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5
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Li Z, Wang L, Liu Y, Yu M, Liu B, Men Y, Sun Z, Hu W, Zhu G. Single-Ion Polymer Electrolyte Based on Lithium-Rich Imidazole Anionic Porous Aromatic Framework for High Performance Lithium-Ion Batteries. Small 2023; 19:e2302818. [PMID: 37283476 DOI: 10.1002/smll.202302818] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 05/22/2023] [Indexed: 06/08/2023]
Abstract
The low ionic conductivity and Li+ transference number (t L i + ${t}_{L{i}^ + }$ ) of solid polymer electrolytes (SPEs) seriously hinder their application in lithium-ion batteries (LIBs). In this study, a novel single-ion lithium-rich imidazole anionic porous aromatic framework (PAF-220-Li) is designed. The abundant pores in PAF-220-Li are conducive to the Li+ transfer. Imidazole anion has low binding force with Li+ . The conjugation of imidazole and benzene ring can further reduce the binding energy between Li+ and anions. Thus, only Li+ moved freely in the SPEs, remarkably reducing the concentration polarization and inhibiting lithium dendrite growth. PAF-220-quasi-solid polymer electrolyte (PAF-220-QSPE) is prepared through solution casting of Bis(trifluoromethane)sulfonimide lithium (LiTFSI) infused PAF-220-Li and Poly(vinylidene fluoride-co-hexafluoropropylene)(PVDF-HFP), and possessed excellent electrochemical performance. The electrochemical property are further improved by preparing all-solid polymer electrolyte (PAF-220-ASPE) via pressing-disc method, which has a high Li+ conductivity of 0.501 mS cm-1 andt L i + ${t}_{L{i}^ + }$ of 0.93. The discharge specific capacity at 0.2 C of Li//PAF-220-ASPE//LFP reached 164 mAh g-1 , and the capacity retention rate is 90% after 180 cycles. This study provided a promising strategy for SPE with single-ion PAFs to achieve high-performance solid-state LIBs.
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Affiliation(s)
- Zhangnan Li
- Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Liying Wang
- Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Yuhan Liu
- Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Mengxuan Yu
- Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Baijun Liu
- Faculty of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Yongfeng Men
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Zhaoyan Sun
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Wei Hu
- Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Guangshan Zhu
- Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
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6
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Zhang C, Dong J, Zhang P, Sun L, Yang L, Wang W, Zou X, Chen Y, Shang Q, Feng D, Zhu G. Unique fluorophilic pores engineering within porous aromatic frameworks for trace perfluorooctanoic acid removal. Natl Sci Rev 2023; 10:nwad191. [PMID: 37671322 PMCID: PMC10476896 DOI: 10.1093/nsr/nwad191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 06/26/2023] [Accepted: 06/30/2023] [Indexed: 09/07/2023] Open
Abstract
Perfluorooctanoic acid (PFOA), a representative of per/polyfluorinated alkyl substances, has become a persistent water pollutant of widespread concern due to its biological toxicity and refractory property. In this work, we design and synthesize two porous aromatic frameworks (PAF) of PAF-CF3 and PAF-C2F5 using fluorine-containing alkyl based monomers in tetrahedral geometry. Both PAFs exhibit nanosized pores (∼1.0 nm) of high surface areas (over 800 m2 g-1) and good fluorophilicity. Remarkable adsorption capacity (˃740 mg g-1) and superior efficiency (˃24 g mg-1 h-1) are achieved toward the removal of PFOA with 1 μg L-1 concentration owing to unique C-F···F-C interactions. In particular, PAF-CF3 and PAF-C2F5 are able to reduce the PFOA concentration in water to 37.9 ng L-1 and 43.3 ng L-1, below EPA regulations (70 ng L-1). The reusability and high efficiency give both PAFs a great potential for sewage treatment.
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Affiliation(s)
- Chi Zhang
- Faculty of Chemistry, Northeast Normal University, Changchun130024, China
| | - Junchao Dong
- Faculty of Chemistry, Northeast Normal University, Changchun130024, China
| | - Panpan Zhang
- Faculty of Chemistry, Northeast Normal University, Changchun130024, China
| | - Lei Sun
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao266237, China
| | - Liu Yang
- Faculty of Chemistry, Northeast Normal University, Changchun130024, China
| | - Wenjian Wang
- Faculty of Chemistry, Northeast Normal University, Changchun130024, China
| | - Xiaoqin Zou
- Faculty of Chemistry, Northeast Normal University, Changchun130024, China
| | - Yunning Chen
- Faculty of Chemistry, Northeast Normal University, Changchun130024, China
| | - Qingkun Shang
- Faculty of Chemistry, Northeast Normal University, Changchun130024, China
| | - Danyang Feng
- Faculty of Chemistry, Northeast Normal University, Changchun130024, China
| | - Guangshan Zhu
- Faculty of Chemistry, Northeast Normal University, Changchun130024, China
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7
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Wang L, Wang Y, Li Z, Li T, Zhang R, Li J, Liu B, Lv Z, Cai W, Sun S, Hu W, Lu Y, Zhu G. PAF-6 Doped with Phosphoric Acid through Alkaline Nitrogen Atoms Boosting High-Temperature Proton-Exchange Membranes for High Performance of Fuel Cells. Adv Mater 2023; 35:e2303535. [PMID: 37358077 DOI: 10.1002/adma.202303535] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 06/03/2023] [Indexed: 06/27/2023]
Abstract
High-temperature proton-exchange-membrane fuel cells (HT-PEMFCs) can offer improved energy efficiency and tolerance to fuel/air impurities. The high expense of the high-temperature proton-exchange membranes (HT-PEMs) and their low durability at high temperature still impede their further practical applications. In this work, a phosphoric acid (PA)-doped porous aromatic framework (PAF-6-PA) is incorporated into poly[2,2'-(p-oxydiphenylene)-5,5'-benzimidazole] (OPBI) to fabricate novel PAF-6-PA/OPBI composite HT-PEMs through solution-casting. The alkaline nitrogen structure in PAF-6 can be protonated with PA to provide proton hopping sites, and its porous structure can enhance the PA retention in the membranes, thus creating fast pathways for proton transfer. The hydrogen bond interaction between the rigid PAF-6 and OPBI can also enhance the mechanical properties and chemical stability of the composite membranes. Consequently, PAF-6-PA/OPBI exhibits an optimal proton conductivity of 0.089 S cm-1 at 200 °C, and peak power density of 437.7 mW cm-2 (Pt: 0.3 mg cm-2 ), which is significantly higher than that of the OPBI. The PAF-6-PA/OPBI provides a novel strategy for the practical application of PBI-based HT-PEMs.
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Affiliation(s)
- Liying Wang
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, P. R. China
| | - Yuliang Wang
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, P. R. China
| | - Zhangnan Li
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, P. R. China
| | - Tianyang Li
- Faculty of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P.R. China
| | - Ruyu Zhang
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, P. R. China
| | - Jing Li
- Faculty of Materials Science and Chemistry, China University of Geosciences, 388 Lumo Road, Wuhan, 430074, P. R. China
| | - Baijun Liu
- Faculty of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P.R. China
| | - Zhongyuan Lv
- Faculty of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P.R. China
| | - Weiwei Cai
- Faculty of Materials Science and Chemistry, China University of Geosciences, 388 Lumo Road, Wuhan, 430074, P. R. China
| | - Shuhui Sun
- National Institute of Scientific Research (INRS) Center Energy Material and Telecommunications, Varennes, Quebec, J3×1P7, Canada
| | - Wei Hu
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, P. R. China
| | - Yunfeng Lu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, CA, 90095, USA
| | - Guangshan Zhu
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, P. R. China
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8
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Li Z, Wang L, Yu M, Liu Y, Liu B, Sun Z, Hu W, Zhu G. Lithium-Rich Porous Aromatic Framework-Based Quasi-Solid Polymer Electrolyte for High-Performance Lithium Ion Batteries. ACS Appl Mater Interfaces 2022; 14:53798-53807. [PMID: 36441518 DOI: 10.1021/acsami.2c15810] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The development of solid polymer electrolytes (SPEs) with high ionic conductivity, wide electrochemical window, and high mechanical strength is the key factor to realize high-energy-density solid lithium ion batteries (SLIBs). Porous aromatic frameworks (PAFs) have the advantages of high porosity, easily functionalized molecular structure, and rigid stable framework, which fully meet the requirements of solid polymer electrolytes with high Li+ capacity, fast Li+ transport, and safety. Herein, a lithium-rich amidoxime (AO)-modified porous aromatic framework (PAF-170-AO) was obtained through the absorption of LiTFSI by amidoxime groups and abundant pores and then compounded with poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) to prepare a PAF-based quasi-solid polymer electrolyte (PAF-QSPE) with only tiny amounts of plasticizer (∼12 μL). The amidoxime groups of PAF-170-AO restricted the movement of the anions of LiTFSI through hydrogen bonding, which effectively promoted the dissociation and migration number of Li+ (tLi+), reduced the concentration polarization, and inhibited the growth of lithium dendrites. The PAF-QSPE exhibited a high ionic conductivity of 1.75 × 10-4 S cm-1 and tLi+ of 0.55 at room temperature. The activation energy was as low as 0.136 eV. Furthermore, the assembled SLIBs with the PAF-QSPE presented a discharge capacity of 163 mAh g-1 at 0.2 C and a capacity retention rate of 96% after 350 cycles, illustrating a stable cycling performance. This work demonstrated the great application potential of lithium-rich PAFs in QSPEs.
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Affiliation(s)
- Zhangnan Li
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin130024, P. R. China
| | - Liying Wang
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin130024, P. R. China
| | - Mengxuan Yu
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin130024, P. R. China
| | - Yuhan Liu
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin130024, P. R. China
| | - Baijun Liu
- Faculty of Chemistry, Jilin University, 2699 Qianjin Street, Changchun130012, P. R. China
| | - Zhaoyan Sun
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun130022, P. R. China
| | - Wei Hu
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin130024, P. R. China
| | - Guangshan Zhu
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin130024, P. R. China
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9
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Ma T, Zhao R, Song J, Jing X, Tian Y, Zhu G. Turning Electronic Waste to Continuous-Flow Reactor Using Porous Aromatic Frameworks. ACS Appl Mater Interfaces 2022; 14:25601-25608. [PMID: 35618663 DOI: 10.1021/acsami.2c07418] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Extraction of valuable metals such as gold from electronic wastes (e-waste) is regarded as a promising way of environmental remediation; however, this process is still confronted with the cost-ineffective product for normal usages like electronic devices or jewelry. Therefore, there would be merits in directly converting gold from e-waste to materials of higher value, for example, catalysts for pollutant treatment. Herein, a porous aromatic framework (PAF) with cationic sites, named iPAF-7, was synthesized and exhibited rapid extraction of gold from e-waste. Au@iPAF-7 completely converted nitroarenes to arylamines within 10 s at a rate constant of 7.8 × 10-2 s-1, which is much higher than that of any other gold nanoparticle (AuNP) catalysts with solid supports reported so far. Furthermore, considering the limitations and difficulties of operating powder materials, the aerogel monolith incorporating iPAF-7 was successfully fabricated, which retained the excellent gold extraction ability and catalytic activity of its powder form, thus exhibiting its potential application for continuous-flow catalysis of nitroarene reduction.
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Affiliation(s)
- Tingting Ma
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Rui Zhao
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Jian Song
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Xiaofei Jing
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Yuyang Tian
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Guangshan Zhu
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
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10
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Yin L, Wang Z, Wu Q, Liu L, Zhang N, Xie Z, Zhu G. Water-Dispersible Porous Aromatic Frameworks with Quasi-Amino Acid Structures via N-H Insertion Reactions. ACS Nano 2022; 16:6197-6205. [PMID: 35349273 DOI: 10.1021/acsnano.2c00007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
As a class of materials with large specific surface area and chemical stability, porous aromatic frameworks (PAFs) have attracted much attention in the fields of gas adsorption, separation, and catalysis. However, synthetic methods for PAFs have been limited to a few coupling reactions, and PAF powders were usually obtained with a diameter of micrometer size. Here, we demonstrate an efficient N-H insertion reaction of diazoesters in the synthesis of PAFs with a diameter <200 nm. The established polymerization can be performed at room temperature, and four PAFs with different skeletons and composition can be obtained in high yields. The prepared PAFs have appreciable thermal and chemical stabilities. Because of the presence of ester groups in the backbone, the prepared PAFs with α-phenylglycine fragments can be easily obtained through the successive hydrolysis of the ester groups. The synthesized PAFs bearing phenylglycine moieties exhibit good water dispersibility and low cytotoxicity. We further show the potential of these PAFs in drug loading and photodynamic therapy.
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Affiliation(s)
- Liying Yin
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Zikun Wang
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Qihang Wu
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Lin Liu
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Ning Zhang
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Zhigang Xie
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Guangshan Zhu
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
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11
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Ma Y, Cui F, Rong H, Song J, Jing X, Tian Y, Zhu G. Continuous Porous Aromatic Framework Membranes with Modifiable Sites for Optimized Gas Separation. Angew Chem Int Ed Engl 2022; 61:e202113682. [PMID: 34687128 DOI: 10.1002/anie.202113682] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 10/20/2021] [Indexed: 11/09/2022]
Abstract
Continuous microporous membranes are widely studied for gas separation, due to their low energy premium and strong molecular specificity. Porous aromatic frameworks (PAFs) with their exceptional stability and structural flexibility are suited to a wide range of separations. Main-stream PAF-based membranes are usually prepared with polymeric matrices, but their discrete entities and boundary defects weaken their selectivity and permeability. The synthesis of continuous PAF membranes is still a major challenge because PAFs are insoluble. Herein, we successfully synthesized a continuous PAF membrane for gas separation. Both pore size and chemistry of the PAF membrane were modified by ion-exchange, resulting in good selectivity and permeance for the gas mixtures H2 /N2 and CO2 /N2 . The membrane with Br- as a counter ion in the framework exhibited a H2 /N2 selectivity of 72.7 with a H2 permeance of 51844 gas permeation units (GPU). When the counter ions were replaced by BF4 - , the membrane showed a CO2 permeance of 23058 GPU, and an optimized CO2 /N2 selectivity of 60.0. Our results show that continuous PAF membranes with modifiable pores are promising for various gas separation situations.
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Affiliation(s)
- Yue Ma
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Changchun, 130024, China
| | - Fengchao Cui
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Changchun, 130024, China
| | - Huazhen Rong
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Changchun, 130024, China
| | - Jian Song
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Changchun, 130024, China
| | - Xiaofei Jing
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Changchun, 130024, China
| | - Yuyang Tian
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Changchun, 130024, China
| | - Guangshan Zhu
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Changchun, 130024, China
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12
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Guo YZ, Gao F, Wang Z, Liu YA, Hu WB, Yang H, Wen K. Highly Branched Pillar[5]arene-Derived Porous Aromatic Frameworks (PAFs) for Removal of Organic Pollutants from Water. ACS Appl Mater Interfaces 2021; 13:16507-16515. [PMID: 33784811 DOI: 10.1021/acsami.1c02583] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The adsorption process is widely used for the treatment of wastewater containing organic pollutants. We fabricated highly branched pillar[5]arene-based porous aromatic frameworks (PAFs), PAF-P5, for the adsorption and removal of organic pollutants (short-chain alkyl derivatives 1-3 and pesticide molecules 4-6) from water with high removal efficiency (RE). However, PAF-P5 was incapable of adsorbing aromatic organic dyes 7-9. Adsorption kinetic studies indicated that the adsorption is mainly driven by strong host-guest interactions between 1-3 and the pillar[5]arene units in PAF-P5, while 4-6 only weakly interacted with the pillar[5]arene units in PAF-P5. Moreover, chemically breaking down the pillar[5]arene rings in PAF-P5 caused changes in the pore size, the microenvironment inside of the pores, and the frame morphology, and the resultant frameworks, PAF-DeP5, exhibited poor adsorption toward 1-6 but adsorbed 7-9 possibly through physical adsorption as implied by fitting the experimental data into the adsorption kinetic models.
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Affiliation(s)
- Yun-Zhe Guo
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fei Gao
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
- Department of Chemistry, Shanghai University, Shanghai 200444, China
| | - Zhuo Wang
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Yahu A Liu
- Medicinal Chemistry, ChemBridge Research Laboratories, San Diego, California 92127, United States
| | - Wei-Bo Hu
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
| | - Hui Yang
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Ke Wen
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
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13
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Meng Q, Huang Y, Deng D, Yang Y, Sha H, Zou X, Faller R, Yuan Y, Zhu G. Porous Aromatic Framework Nanosheets Anchored with Lewis Pairs for Efficient and Recyclable Heterogeneous Catalysis. Adv Sci (Weinh) 2020; 7:2000067. [PMID: 33240750 PMCID: PMC7675047 DOI: 10.1002/advs.202000067] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 09/10/2020] [Indexed: 05/14/2023]
Abstract
Lewis pairs (LPs) with outstanding performance for nonmetal-mediated catalysis reactions have high fundamental interest and remarkable application prospects. However, their solubility characteristics lead to instability and deactivation upon recycling. Here, the layered porous aromatic framework (PAF-6), featuring two kinds of Lewis base sites (NPiperazine and NTriazine), is exfoliated into few-layer nanosheets to form the LP entity with the Lewis acid. After comparison with various porous networks and verification by density functional theory (DFT) calculations, the NTriazine atom in the specific spatial environment is determined to preferably coordinate with the electron-deficient boron compound in a sterically hindered pattern. LP-bare porous product displays high catalytic activity for the hydrogenation of both olefin and imine compounds, and demonstrates ≈100% activity after 10 successful cycles in hydrogenation reactions. Considering the natural advantage of porous organic frameworks to construct LP groups opens up novel prospects for preparing other nonmetallic heterogeneous catalysts for efficient and recyclable catalysis.
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Affiliation(s)
- Qinghao Meng
- Key Laboratory of Polyoxometalate Science of Ministry of EducationNortheast Normal UniversityRenmin AvenueChangchun130024China
| | - Yihan Huang
- Department of Materials Science and EngineeringUniversity of CaliforniaDavisDavisCA95616USA
| | - Dan Deng
- Key Laboratory of Polyoxometalate Science of Ministry of EducationNortheast Normal UniversityRenmin AvenueChangchun130024China
| | - Yajie Yang
- Key Laboratory of Polyoxometalate Science of Ministry of EducationNortheast Normal UniversityRenmin AvenueChangchun130024China
| | - Haoyan Sha
- Department of Chemical EngineeringUniversity of CaliforniaDavisDavisCA95616USA
| | - Xiaoqin Zou
- Key Laboratory of Polyoxometalate Science of Ministry of EducationNortheast Normal UniversityRenmin AvenueChangchun130024China
| | - Roland Faller
- Department of Chemical EngineeringUniversity of CaliforniaDavisDavisCA95616USA
| | - Ye Yuan
- Key Laboratory of Polyoxometalate Science of Ministry of EducationNortheast Normal UniversityRenmin AvenueChangchun130024China
| | - Guangshan Zhu
- Key Laboratory of Polyoxometalate Science of Ministry of EducationNortheast Normal UniversityRenmin AvenueChangchun130024China
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14
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Ma T, Zhao R, Li Z, Jing X, Faheem M, Song J, Tian Y, Lv X, Shu Q, Zhu G. Efficient Gold Recovery from E-Waste via a Chelate-Containing Porous Aromatic Framework. ACS Appl Mater Interfaces 2020; 12:30474-30482. [PMID: 32588621 DOI: 10.1021/acsami.0c08352] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Extracting gold from wastes of electronic equipment (e-waste) is a sustainable strategy for the recovery of the precious metal, reducing environmental pollution, and addressing the growing demands for gold resources. In this work, we synthesized a thiourea-modified porous aromatic framework (PAF-1-thiourea) with exceptional gold-extraction ability. The optimum adsorption capacity for PAF-1-thiourea to gold reaches up to 2629.87 mg g-1. The adsorption process can be well fitted according to the pseudo-second-order kinetic model and Langmuir model, featuring strong affinity caused by strong soft-soft interactions between Au(III) and the S and N donor atoms of the modified PAF and the electrostatic interactions between protonated amino groups and AuCl4-. PAF-1-thiourea was especially capable of extracting gold rapidly and efficiently (capturing 98.73% of gold within 5 min) from a central processing unit (CPU) in extremely acidic conditions. It is found that PAF-1-thiourea captures gold ions and simultaneously converts it to a Au(0) solid, obtaining gold with purity up to 23.5 karat. PAF-1-thiourea with its high acid resistance and anti-interference against cheap metals in the recovery process presents a practical means to extract gold from e-waste.
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Affiliation(s)
- Tingting Ma
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Rui Zhao
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Zhangnan Li
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Xiaofei Jing
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Muhammad Faheem
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Jian Song
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Yuyang Tian
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Xijuan Lv
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China
| | - Qinghai Shu
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China
| | - Guangshan Zhu
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
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15
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Sun L, Wang S, Zhu T. 1,3,5-Triethynylbenzene and melamine as monomers to synthesize three-dimensional network porous aromatic frameworks based silica/florisil for determination of carbendazim and thiabendazole in spinach. J Sep Sci 2020; 43:2842-2849. [PMID: 32320521 DOI: 10.1002/jssc.202000083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 04/17/2020] [Accepted: 04/17/2020] [Indexed: 11/10/2022]
Abstract
In this study, the new and efficient three-dimensional network porous aromatic frameworks materials called Silica-PAFs-a, Florisil-PAFs-a, Silica-PAFs-b, and Florisil-PAFs-b were first synthesized. The properties of materials were analyzed by five characterization methods. The materials were used as adsorbents in pipette-tip solid-phase extraction for the effective determination of carbendazim and thiabendazole in spinach sample. Meanwhile, the obtained materials were tested by static adsorption and dynamic adsorption. The result showed that the specific surface area of materials greatly increased after introducing three-dimensional network porous aromatic frameworks. Microstructural modification exposed a large number of amino reactive groups that made them have a better adsorption amount for the two targets. The calibration graphs of carbendazim and thiabendazole in methanol were linear over 0.10-300.0 µg/mL, and the limits of detection and quantification were 0.00546 and 0.0182 µg/mL, and 0.00741 and 0.0247µg/mL respectively. A reliable analytical method was developed for recognition targets in spinach sample by Silica-PAFs-b with satisfactory extraction recoveries (96.25 and 100.51%). The proposed method using the material was applied for trace analysis of the carbendazim and thiabendazole residue.
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Affiliation(s)
- Liping Sun
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, P.R. China
| | - Sufang Wang
- Environment Analysis and Testing Laboratory, Chinese Research Academy of Environmental Sciences, Beijing, P.R. China
| | - Tao Zhu
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, P.R. China
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16
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Xu D, Chen L, Dai X, Li B, Wang Y, Liu W, Li J, Tao Y, Wang Y, Liu Y, Peng G, Zhou R, Chai Z, Wang S. A Porous Aromatic Framework Functionalized with Luminescent Iridium(III) Organometallic Complexes for Turn-On Sensing of 99TcO 4. ACS Appl Mater Interfaces 2020; 12:15288-15297. [PMID: 32131587 DOI: 10.1021/acsami.0c01929] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Contamination of 99TcO4-, a problematic radioactive anion in the nuclear fuel cycle, in groundwater has been observed in a series of legacy nuclear sites, representing a notable radiation hazard and environmental concern. The development of convenient, rapid, and sensitive detection methods is therefore critical for radioactivity control and remediation tasks. Traditional detection methods suffer from clear demerits of either the presence of large interference from coexisting radioactive species (e.g., radioactivity counting methods) or the requirement of extensive instrumentation and analysis procedure (e.g., mass spectrometry). Here, we constructed a luminescent iridium(III) organometallic complex (Ir(ppy)2(bpy)+; ppy = 2-phenylpyridine, bpy = 2,2'-bipyridine)-grafted porous aromatic framework (Ir-PAF) for the first time, which can be utilized for efficient, facile, and selective detection of trace ReO4-/TcO4- in aqueous solutions. Importantly, the luminescence intensity of Ir-PAF is greatly enhanced in the presence of ReO4-/TcO4-, giving rise to a distinct turn-on sensor with the detection limit of 556.9 μg/L. Such a superior detection capability originates from the highly selective and strong interaction between ReO4-/TcO4- and Ir(ppy)2(bpy)+, leading to an efficient pre-enrichment of ReO4-/TcO4- during analysis and subsequently a much weaker nonradiative decay of the luminescence of Ir(ppy)2(bpy)+, as illustrated by density functional theory (DFT) calculation as well as quantum yield and fluorescence lifetime measurements. Successful quantification of trace ReO4- in simulated Hanford low-activity waste (LAW) solution containing large excess of Cl-, NO3-, and NO2- was demonstrated, highlighting the bright future of luminescent PAFs in the area of chemical sensing.
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Affiliation(s)
- Dongyang Xu
- School of Chemistry and Chemistry Engineering and School of Resource, Environmental and Safety Engineering, University of South China, 28 Chang'sheng Road, Hengyang 421001, P. R. China
| | - Long Chen
- State Key Laboratory of Radiation Medicine and Protection, School of Radiological and Interdisciplinary Sciences (RAD-X), and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
| | - Xing Dai
- State Key Laboratory of Radiation Medicine and Protection, School of Radiological and Interdisciplinary Sciences (RAD-X), and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
| | - Baoyu Li
- State Key Laboratory of Radiation Medicine and Protection, School of Radiological and Interdisciplinary Sciences (RAD-X), and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
| | - Yaxing Wang
- State Key Laboratory of Radiation Medicine and Protection, School of Radiological and Interdisciplinary Sciences (RAD-X), and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
| | - Wei Liu
- School of Environment and Material Engineering, Yantai University, Yantai 264005, P. R. China
| | - Jie Li
- State Key Laboratory of Radiation Medicine and Protection, School of Radiological and Interdisciplinary Sciences (RAD-X), and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
| | - Yi Tao
- State Key Laboratory of Radiation Medicine and Protection, School of Radiological and Interdisciplinary Sciences (RAD-X), and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
| | - Yanlong Wang
- State Key Laboratory of Radiation Medicine and Protection, School of Radiological and Interdisciplinary Sciences (RAD-X), and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
| | - Yong Liu
- School of Chemistry and Chemistry Engineering and School of Resource, Environmental and Safety Engineering, University of South China, 28 Chang'sheng Road, Hengyang 421001, P. R. China
| | - Guowen Peng
- School of Chemistry and Chemistry Engineering and School of Resource, Environmental and Safety Engineering, University of South China, 28 Chang'sheng Road, Hengyang 421001, P. R. China
| | - Ruhong Zhou
- State Key Laboratory of Radiation Medicine and Protection, School of Radiological and Interdisciplinary Sciences (RAD-X), and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
- Computational Biology Center, IBM Thomas J Watson Research Center, Yorktown Heights, New York 10598, United States
| | - Zhifang Chai
- State Key Laboratory of Radiation Medicine and Protection, School of Radiological and Interdisciplinary Sciences (RAD-X), and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
| | - Shuao Wang
- State Key Laboratory of Radiation Medicine and Protection, School of Radiological and Interdisciplinary Sciences (RAD-X), and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
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17
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Lv Y, Zhu T. Polyethyleneimine-modified porous aromatic framework and silane coupling agent grafted graphene oxide composite materials for determination of phenolic acids in Chinese Wolfberry drink by HPLC. J Sep Sci 2019; 43:774-781. [PMID: 31742883 DOI: 10.1002/jssc.201900766] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 10/21/2019] [Accepted: 11/13/2019] [Indexed: 02/06/2023]
Abstract
A simple method for the determination of phenolic acids in Chinese Wolfberry drink based on polyethyleneimine modified porous aromatic framework and graphene oxide composite sorbent for pipette-tip solid-phase extraction was developed. Porous aromatic framework and raphene oxide composite materials were grafted by silane coupling agent (3-Chloropropyl)-trimethoxysilane. The modified materials were characterized by five kinds of characterization. Experimental results showed that the prepared p-phenylenediamine, cyanuric chloride, and graphene oxide composite material had a loose structure combined with the framework which improved hydrophobicity, and polyethyleneimine to increase the selectivity with the targets. The parameters of the pipette-tip solid-phase extraction procedure including the amount of sorbents, volumes and types of washing solvents and elution solvents were optimized to achieve optimal extraction efficiency. Good linearity of best material was achieved in the range of 0.1-400 µg/mL with correlation coefficient of chlorogenic acid (0.9994), caffeic acid (0.9997), and ferulic acid (0.9998). Recoveries between 93.5 and 102.3% were obtained at three spiked levels with relative standard deviation ≤3.1%. The proposed method was successfully applied for the determination of phenolic acids in Chinese Wolfberry drink sample.
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Affiliation(s)
- Yaying Lv
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, P. R. China
| | - Tao Zhu
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, P. R. China
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18
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Perego J, Pedrini J, Bezuidenhout CX, Sozzani PE, Meinardi F, Bracco S, Comotti A, Monguzzi A. Engineering Porous Emitting Framework Nanoparticles with Integrated Sensitizers for Low-Power Photon Upconversion by Triplet Fusion. Adv Mater 2019; 31:e1903309. [PMID: 31441141 DOI: 10.1002/adma.201903309] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/25/2019] [Indexed: 06/10/2023]
Abstract
The conversion of low-energy light into photons of higher energy based on sensitized triplet-triplet annihilation (sTTA) upconversion is emerging as the most promising wavelength-shifting methodology because it operates efficiently at excitation powers as low as the solar irradiance. However, the production of solid-state upconverters suited for direct integration in devices is still an ongoing challenge owing to the difficulties concerning the organization of two complementary moieties, the triplet sensitizer, and the annihilator, which must interact efficiently. This problem is solved by fabricating porous fluorescent nanoparticles wherein the emitters are integrated into robust covalent architectures. These emitting porous aromatic framework (ePAF) nanoparticles allow intimate interaction with the included metallo-porphyrin as triplet sensitizers. Remarkably, the high concentration of framed chromophores ensures hopping-mediated triplet diffusion required for TTA, yet the low density of the framework promotes their high optical features without quenching effects, typical of the solid state. A green-to-blue photon upconversion yield as high as 15% is achieved: a record performance among annihilators in a condensed phase. Furthermore, the engineered ePAF architecture containing covalently linked sensitizers produces full-fledge solid-state bicomponent particles that behave as autonomous nanodevices.
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Affiliation(s)
- Jacopo Perego
- Dipartimento di Scienza dei Materiali, Università degli Studi Milano Bicocca, via R. Cozzi 55, 20125, Milano, Italy
| | - Jacopo Pedrini
- Dipartimento di Scienza dei Materiali, Università degli Studi Milano Bicocca, via R. Cozzi 55, 20125, Milano, Italy
| | - Charl X Bezuidenhout
- Dipartimento di Scienza dei Materiali, Università degli Studi Milano Bicocca, via R. Cozzi 55, 20125, Milano, Italy
| | - Piero E Sozzani
- Dipartimento di Scienza dei Materiali, Università degli Studi Milano Bicocca, via R. Cozzi 55, 20125, Milano, Italy
| | - Francesco Meinardi
- Dipartimento di Scienza dei Materiali, Università degli Studi Milano Bicocca, via R. Cozzi 55, 20125, Milano, Italy
| | - Silvia Bracco
- Dipartimento di Scienza dei Materiali, Università degli Studi Milano Bicocca, via R. Cozzi 55, 20125, Milano, Italy
| | - Angiolina Comotti
- Dipartimento di Scienza dei Materiali, Università degli Studi Milano Bicocca, via R. Cozzi 55, 20125, Milano, Italy
| | - Angelo Monguzzi
- Dipartimento di Scienza dei Materiali, Università degli Studi Milano Bicocca, via R. Cozzi 55, 20125, Milano, Italy
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19
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Song J, Li Y, Cao P, Jing X, Faheem M, Matsuo Y, Zhu Y, Tian Y, Wang X, Zhu G. Synergic Catalysts of Polyoxometalate@Cationic Porous Aromatic Frameworks: Reciprocal Modulation of Both Capture and Conversion Materials. Adv Mater 2019; 31:e1902444. [PMID: 31418940 DOI: 10.1002/adma.201902444] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 07/31/2019] [Indexed: 06/10/2023]
Abstract
Compositional catalysts based on porous supports and incorporated catalytic nanoparticles have achieved great successes during the past decades. However, rational design of synergic catalysts and modulating the interactions between functional supports and catalytic sites are still far from being well developed. In this work, aiming at overcoming the difficulties of comprehensive screening of porous supports and correspondingly matched catalytic sites, a cationic porous aromatic framework as a capturing platform and polyoxometalate anions as conversion materials are separately designed, and their combination is modularly controlled. The resulting composites show higher catalytic activities than the corresponding conversion sites themselves. Notably, the resulting composites uncommonly exhibit increased surface area and enlarged pore openings after the incorporation of nanoparticles, and lead to the promotion of mass transfer within the porous supports. The emergence of a hierarchical structure with increased surface area induced by guest loading is desired in heterogeneous catalysis. The reciprocal modulation of both capture and conversion materials results in enhanced conversion and increased reaction rate, indicating the successful preparation of synergic catalysts by this separate design approach.
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Affiliation(s)
- Jian Song
- Key Laboratory of Polyoxometalate Science of the Ministry of Education and Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Yue Li
- Key Laboratory of Polyoxometalate Science of the Ministry of Education and Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Ping Cao
- Key Laboratory of Polyoxometalate Science of the Ministry of Education and Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Xiaofei Jing
- Key Laboratory of Polyoxometalate Science of the Ministry of Education and Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Muhammad Faheem
- Key Laboratory of Polyoxometalate Science of the Ministry of Education and Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Yutaka Matsuo
- Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Youliang Zhu
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Yuyang Tian
- Key Laboratory of Polyoxometalate Science of the Ministry of Education and Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Xiaohong Wang
- Key Laboratory of Polyoxometalate Science of the Ministry of Education and Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Guangshan Zhu
- Key Laboratory of Polyoxometalate Science of the Ministry of Education and Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
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20
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Zhao R, Ma T, Li S, Tian Y, Zhu G. Porous Aromatic Framework Modified Electrospun Fiber Membrane as a Highly Efficient and Reusable Adsorbent for Pharmaceuticals and Personal Care Products Removal. ACS Appl Mater Interfaces 2019; 11:16662-16673. [PMID: 31009202 DOI: 10.1021/acsami.9b04326] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Water contamination by emerging organic pollutants, such as pharmaceuticals and personal care products (PPCPs), is becoming more and more serious. Porous aromatic frameworks (PAFs) are considered as promising adsorbents to remove the PPCPs. To overcome the limitation of PAFs in their powder forms for large-scale applications, herein, we proposed a strategy to covalently anchor PAFs onto electrospun polymer fiber membranes. Polyaniline (PANI) played the role of aromatic seed layer, which was coated on the electrospun polyacrylonitrile (PAN) fiber membrane first. Then, PAF-45 modification was in situ synthesized in the presence of the PANI-coated electrospun PAN fiber membrane. This study could make the PAF-based materials be handled more easily and improve the surface area of electrospun fiber membrane. The obtained composite adsorbent (PAF-45-PP FM) was applied for the adsorption of three PPCPs: ibuprofen (IBPF), chloroxylenol (CLXN), and N, N-diethyl-meta-toluamide (DEET), which exhibited high adsorption capacity and good recycling ability. According to the Langmuir model, the maximum adsorption capacities of PAF-45-PP FM toward IBPF, CLXN and DEET were 613.50, 429.18, and 384.61 mg/g, respectively. In addition, after ten adsorption-desorption cycles, the adsorption capacities toward the three PPCPs decreased slightly. Through an adsorption comparison test, the adsorption capacity of PAF-45-PP FM almost attributed to the loading PAF-45. The adsorption mechanism analysis illustrated that there were pore capture, hydrophobic interaction and π-π interaction between PPCPs and PAF-45-PP FM. Therefore, the PAF-45-PP FM can be potential adsorbents to purify water contaminated with PPCPs.
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Affiliation(s)
- Rui Zhao
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry , Northeast Normal University , Changchun 130024 , PR China
| | - Tingting Ma
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry , Northeast Normal University , Changchun 130024 , PR China
| | - Shuying Li
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry , Northeast Normal University , Changchun 130024 , PR China
| | - Yuyang Tian
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry , Northeast Normal University , Changchun 130024 , PR China
| | - Guangshan Zhu
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry , Northeast Normal University , Changchun 130024 , PR China
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Kamcev J, Taylor MK, Shin DM, Jarenwattananon NN, Colwell KA, Long JR. Functionalized Porous Aromatic Frameworks as High-Performance Adsorbents for the Rapid Removal of Boric Acid from Water. Adv Mater 2019; 31:e1808027. [PMID: 30883943 DOI: 10.1002/adma.201808027] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 02/17/2019] [Indexed: 06/09/2023]
Abstract
This study demonstrates that functionalized, highly porous polymers are promising for the adsorptive capture of boric acid, a neutral contaminant that is difficult to remove from seawater using conventional reverse osmosis membranes. Appending N-methyl-d-glucamine (NMDG) to the pore walls of high-surface-area porous aromatic frameworks (PAFs) yields the adsorbents PAF-1-NMDG and P2-NMDG in a simple two-step synthesis. The boron-selective PAFs demonstrate adsorption capacities that are up to 70% higher than those of a commercial boron-selective resin, Amberlite IRA743, and markedly faster adsorption rates, owing to their higher NMDG loadings and greater porosities relative to the resin. Remarkably, PAF-1-NMDG is able to reduce the boron concentration in synthetic seawater from 2.91 to <0.5 ppm in less than 3 min at an adsorbent loading of only 0.3 mg mL-1 . The boron adsorption rate constants of both frameworks, determined via a pseudo-second-order rate model, represent the highest values reported in the literature-in most cases orders of magnitude higher than those of other boron-selective adsorbents. The frameworks can also be readily regenerated via mild acid/base treatment and maintain constant boron adsorption capacities for at least 10 regeneration cycles. These results highlight the numerous advantages of PAFs over traditional porous polymers in water treatment applications.
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Affiliation(s)
- Jovan Kamcev
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Mercedes K Taylor
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Dong-Myeong Shin
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
| | | | - Kristen A Colwell
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - Jeffrey R Long
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, CA, 94720, USA
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Yuan Y, Yang Y, Faheem M, Zou X, Ma X, Wang Z, Meng Q, Wang L, Zhao S, Zhu G. Molecularly Imprinted Porous Aromatic Frameworks Serving as Porous Artificial Enzymes. Adv Mater 2018; 30:e1800069. [PMID: 29782674 DOI: 10.1002/adma.201800069] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 03/17/2018] [Indexed: 05/25/2023]
Abstract
Artificially designed enzymes are in demand as ideal catalysts for industrial production but their dense structure conceals most of their functional fragments, thus detracting from performance. Here, molecularly imprinted porous aromatic frameworks (MIPAFs) which are exploited to incorporate full host-guest interactions of porous materials within the artificial enzymes are presented. By decorating a porous skeleton with molecularly imprinted complexes, it is demonstrated that MIPAFs are porous artificial enzymes possessing excellent kinetics for guest molecules. In addition, due to the abundance of accessible sites, MIPAFs can perform a wide range of sequential processes such as substrate hydrolysis and product transport. Through its two functional sites in tandem, the MIPAF subsequently manifests both hydrolysis and transport behaviors. Advantageously, the obtained catalytic rate is ≈58 times higher than that of all other conventional artificial enzymes and even surpasses by 14 times the rate for natural organophosphorus hydrolase (Flavobacterium sp. strain ATCC 27551).
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Affiliation(s)
- Ye Yuan
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Yajie Yang
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Muhammad Faheem
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Xiaoqin Zou
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Xujiao Ma
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Zeyu Wang
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Qinghao Meng
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Lili Wang
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Shuai Zhao
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Guangshan Zhu
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
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Yuan Y, Yang Y, Ma X, Meng Q, Wang L, Zhao S, Zhu G. Molecularly Imprinted Porous Aromatic Frameworks and Their Composite Components for Selective Extraction of Uranium Ions. Adv Mater 2018; 30:e1706507. [PMID: 29423920 DOI: 10.1002/adma.201706507] [Citation(s) in RCA: 140] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Indexed: 05/28/2023]
Abstract
Selective extraction of uranium from water has attracted worldwide attention because the largest source of uranium is seawater with various interference ions (Na+ , K+ , Mg2+ , Ca2+ , etc.). However, traditional adsorbents encapsulate most of their functional sites in their dense structure, leading to problems with low selectivity and adsorption capacities. In this work, the tailor-made binding sites are first decorated into porous skeletons, and a series of molecularly imprinted porous aromatic frameworks are prepared for uranium extraction. Because the porous architecture provides numerous accessible sites, the resultant material has a fourfold increased ion capacity compared with traditional molecularly imprinted polymers and presents the highest selectivity among all reported uranium adsorbents. Moreover, the porous framework can be dispersed into commercial polymers to form composite components for the practical extraction of uranium ions from simulated seawater.
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Affiliation(s)
- Ye Yuan
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Yajie Yang
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Xujiao Ma
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Qinghao Meng
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Lili Wang
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Shuai Zhao
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Guangshan Zhu
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
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Vilian ATE, Puthiaraj P, Kwak CH, Hwang SK, Huh YS, Ahn WS, Han YK. Fabrication of Palladium Nanoparticles on Porous Aromatic Frameworks as a Sensing Platform to Detect Vanillin. ACS Appl Mater Interfaces 2016; 8:12740-12747. [PMID: 27149292 DOI: 10.1021/acsami.6b03942] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Here, we report the fabrication of palladium nanoparticles on porous aromatic frameworks (Pd/PAF-6) using a facile chemical approach, which was characterized by various spectro- and electrochemical techniques. The differential pulse voltammetry (DPV) response of Pd/PAF-6 toward the vanillin (VA) sensor shows a linear relationship over concentrations (10-820 pM) and a low detection limit (2 pM). Pd/PAF-6 also exhibited good anti-interference performance toward 2-fold excess of ascorbic acid, nitrophenol, glutathione, glucose, uric acid, dopamine, ascorbic acid, 4-nitrophenol, glutathione, glucose, uric acid, dopamine, and 100-fold excess of Na(+), Mg(2+), and K(+) during the detection of VA. The developed electrochemical sensor based on Pd/PAF-6 had good reproducibility, as well as high selectivity and stability. The established sensor revealed that Pd/PAF-6 could be used to detect VA in biscuit and ice cream samples with satisfactory results.
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Affiliation(s)
- A T Ezhil Vilian
- Department of Energy and Materials Engineering, Dongguk University-Seoul , Seoul 04620, Republic of Korea
| | | | | | | | | | | | - Young-Kyu Han
- Department of Energy and Materials Engineering, Dongguk University-Seoul , Seoul 04620, Republic of Korea
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Meng L, Zou X, Guo S, Ma H, Zhao Y, Zhu G. Self-supported fibrous porous aromatic membranes for efficient CO2/N2 separations. ACS Appl Mater Interfaces 2015; 7:15561-15569. [PMID: 26120972 DOI: 10.1021/acsami.5b04148] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
In this paper, we describe a new synthesis protocol for the preparation of self-supported hollow fiber membranes composed of porous aromatic framework PAF-56P and PSF. PAF-56P was facilely prepared by the cross-coupling reaction of triangle-shaped cyanuric chloride and linear p-terophenyl monomers. The prepared PAF-56P material possesses an extended conjugated network, the structure of which is confirmed by nuclear magnetic resonance and infrared characterizations, as well as a permanent porosity with a BET surface area of 553.4 m(2) g(-1) and a pore size of 1.2 nm. PAF-56P was subsequently integrated with PSF matrix into PAF-56P/PSF asymmetric hollow fiber membranes via the dry jet-wet quench method employing PAF-56P/PSF suspensions. Scanning electron microscopy studies show that PAF-56P particles are embedded in the PSF matrix to form continuous membranes. Fabricated PAF-56P/PSF membranes were further exploited for CO2 capture, which was exemplified by gas separations of CO2/N2 mixtures. The PAF-56P/PSF membranes show a high selectivity of CO2 over N2 with a separation factor of 38.9 due to the abundant nitrogen groups in the PAF-56P framework. A preferred permeance for CO2 in the binary CO2/N2 gas mixture is obtained in the range of 93-141 GPU due to the large CO2 adsorption capacity and a large pore size of PAF-56P. Additionally, PAF-56P/PSF membranes exhibit excellent thermal and mechanical stabilities, which were examined by thermal analysis and gas separation tests with the dependencies of temperatures and pressures. The merits of high selectivity for CO2, good stability, and easy scale up make PAF-56P/PSF hollow fiber membranes of great interest for the industrial separations of CO2 from the gas exhausts.
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Affiliation(s)
- Lingbo Meng
- ‡Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Xiaoqin Zou
- ‡Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | | | - Heping Ma
- §State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, P. R. China
| | | | - Guangshan Zhu
- ‡Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
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