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Rastegari F, Asghari S, Mohammadpoor-Baltork I, Sabzyan H, Tangestaninejad S, Moghadam M, Mirkhani V. A pH-dependent and charge selective covalent organic framework for removal of dyes from aqueous solutions. JOURNAL OF HAZARDOUS MATERIALS 2024; 476:135075. [PMID: 38986412 DOI: 10.1016/j.jhazmat.2024.135075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 06/16/2024] [Accepted: 06/28/2024] [Indexed: 07/12/2024]
Abstract
A novel imine-linked COF is synthesized by the condensation of 2,4,6-tris(4-aminophenyl)-1,3,5-triazine (TAPT) and 2-hydroxy-5-methoxyisophthalaldehyde (HMIPA) under solvothermal conditions. This COF adsorbs preferentially the neutral dye Neutral Red (NR) over the positively charged dye Methylene Blue (MB) at pH 7, and the negatively charged Methyl Orange (MO) over the positively charged Methylene Blue (MB) at pH 3. The maximum adsorption capacities (qe) obtained within very short times (11-60 min) under optimized conditions were 108, 185 and 429 mg.g-1 for the MB, MO, and NR dyes, respectively. These adsorptions obey the Langmuir isotherm and pseudo-second-order kinetics. The prepared TAPT-HMIPA-COF is used successfully for the removal of the dyes from real water and treated wastewater samples. The adsorption data, BET, FTIR, and zeta potential measurements show that the electrostatic, π-π stacking and hydrogen bond interactions are responsible for the adsorption of organic dyes on the surface of the prepared COF. Due to recyclability, high capacity and efficiency for the adsorption of positive, negative and neutral organic dyes, this COF can be considered promising for simultaneous removal of various dyes from aqueous solutions at adjusted pHs.
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Affiliation(s)
- Forouz Rastegari
- Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746-73441, Iran
| | - Saeid Asghari
- Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746-73441, Iran
| | | | - Hassan Sabzyan
- Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran
| | - Shahram Tangestaninejad
- Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746-73441, Iran
| | - Majid Moghadam
- Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746-73441, Iran
| | - Valiollah Mirkhani
- Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746-73441, Iran
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2
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Su LH, Qian HL, Yang C, Yan XP. Co 2+ coordination-assisted molecularly imprinted covalent organic framework for selective extraction of ochratoxin A. JOURNAL OF HAZARDOUS MATERIALS 2024; 476:135111. [PMID: 38981231 DOI: 10.1016/j.jhazmat.2024.135111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 07/01/2024] [Accepted: 07/04/2024] [Indexed: 07/11/2024]
Abstract
Covalent organic frameworks (COFs) are attractive materials for sample pretreatment due to their tunable structures and functions. However, the precise recognition of contaminant in complex environmental matrices by COFs remains challenging owing to their insufficient specific active sites. Herein, we report Co2+ coordination-assisted molecularly imprinted flexible COF (MI-COF@Co2+) for selective recognition of ochratoxin A (OTA). The MI-COF@Co2+ was prepared via one-step polymerization of 3,3-dihydroxybenzidine, 2,4,6-tris(4-formylphenoxy)- 1,3,5-triazine, Co2+ and template. The flexible units endowed COFs with the self-adaptable ability to regulate the molecular conformation and coordinate with Co2+ to locate the imprinted cavities. The coordination interaction greatly improved the adsorption capacity and selectivity of MI-COF@Co2+ for OTA. The prepared MI-COF@Co2+ was used as solid phase extraction adsorbent for high-performance liquid chromatography determination of OTA with the detection limit of 0.03 ng mL-1 and the relative standard deviation of < 2.5 %. In addition, this method permitted interference-free determination of OTA in real samples with recovery from 89.5 % to 102.8 %. This work provides a simple way to improve the selectivity of COFs for the determination of hazardous compounds in complex environments.
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Affiliation(s)
- Li-Hong Su
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China; Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Hai-Long Qian
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China; Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Cheng Yang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China; Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xiu-Ping Yan
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China; Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi 214122, China.
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3
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Berlanga I, Rosenkranz A. Covalent organic frameworks in tribology - A perspective. Adv Colloid Interface Sci 2024; 331:103228. [PMID: 38901060 DOI: 10.1016/j.cis.2024.103228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 06/08/2024] [Accepted: 06/09/2024] [Indexed: 06/22/2024]
Abstract
Two-dimensional covalent organic frameworks (2D COFs) are an emerging class of crystalline porous materials formed through covalent bonds between organic building blocks. COFs uniquely combine a large surface area, an excellent stability, numerous abundant active sites, and tunable functionalities, thus making them highly attractive for numerous applications. Especially, their abundant active sites and weak interlayer interaction make these materials promising candidates for tribological research. Recently, notable attention has been paid to COFs as lubricant additives due to their excellent tribological performance. Our review aims at critically summarizing the state-of-art developments of 2D COFs in tribology. We discuss their structural and functional design principles, as well as synthetic strategies with a special focus on tribology. The generation of COF thin films is also assessed in detail, which can alleviate their most challenging drawbacks for this application. Subsequently, we analyze the existing state-of-the-art regarding the usage of COFs as lubricant additives, self-lubrication composite coatings, and solid lubricants at the nanoscale. Finally, critical challenges and future trends of 2D COFs in tribology are outlined to initiate and boost new research activities in this exciting field.
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Affiliation(s)
- Isadora Berlanga
- Department of Chemical Engineering, Biotechnology and Materials, FCFM, University of Chile, Santiago de Chile, Chile.
| | - Andreas Rosenkranz
- Department of Chemical Engineering, Biotechnology and Materials, FCFM, University of Chile, Santiago de Chile, Chile; ANID - Millennium Science Initiative Program, Millennium Nuclei of Advanced MXenes for Sustainable Applications (AMXSA), Santiago, Chile.
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4
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Wang Y, Hao Q, Lv Q, Shang X, Wu M, Li Z. The research progress on COF solid-state electrolytes for lithium batteries. Chem Commun (Camb) 2024. [PMID: 39171458 DOI: 10.1039/d4cc02262a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
Lithium metal batteries have garnered significant attention due to their high energy density and broad application prospects. However, the practical use of traditional liquid electrolytes is constrained by safety and stability challenges. In the exploration of novel electrolytes, solid-state electrolyte materials have emerged as a focal point. Covalent organic frameworks (COFs), with their large conjugated structures and unique electronic properties, are gradually gaining attention as an emerging class of solid-state electrolyte materials. In recent years, outstanding electrochemical performance has been achieved through the design and synthesis of various types of COF-based solid-state electrolytes, along with successful integration with other functional materials. This review will provide an overview of the research progress on COFs as solid-state electrolyte materials for lithium metal batteries and offer insights into their future potential in battery technology.
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Affiliation(s)
- Yimou Wang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China.
| | - Qinglin Hao
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China.
| | - Qing Lv
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China.
| | - Xinchao Shang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China.
| | - Mingbo Wu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China.
| | - Zhongtao Li
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China.
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5
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Meng Y, Lin X, Huang J, Zhang L. Recent Advances in Carborane-Based Crystalline Porous Materials. Molecules 2024; 29:3916. [PMID: 39202996 PMCID: PMC11357283 DOI: 10.3390/molecules29163916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2024] [Revised: 08/11/2024] [Accepted: 08/16/2024] [Indexed: 09/03/2024] Open
Abstract
The field of carborane research has witnessed continuous development, leading to the construction and development of a diverse range of crystalline porous materials for various applications. Moreover, innovative synthetic approaches are expanding in this field. Since the first report of carborane-based crystalline porous materials (CCPMs) in 2007, the synthesis of carborane ligands, particularly through innovative methods, has consistently posed a significant challenge in discovering new structures of CCPMs. This paper provides a comprehensive summary of recent advances in various synthetic approaches for CCPMs, along with their applications in different domains. The primary challenges and future opportunities are expected to stimulate further multidisciplinary development in the field of CCPMs.
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Affiliation(s)
- Yuxuan Meng
- Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Key Laboratory of Flexible Electronics, Fujian Normal University and Strait Laboratory of Flexible Electronics (SLo-FE), Fuzhou 350017, China; (Y.M.); (X.L.); (J.H.)
| | - Xi Lin
- Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Key Laboratory of Flexible Electronics, Fujian Normal University and Strait Laboratory of Flexible Electronics (SLo-FE), Fuzhou 350017, China; (Y.M.); (X.L.); (J.H.)
| | - Jinyi Huang
- Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Key Laboratory of Flexible Electronics, Fujian Normal University and Strait Laboratory of Flexible Electronics (SLo-FE), Fuzhou 350017, China; (Y.M.); (X.L.); (J.H.)
| | - Liangliang Zhang
- Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Key Laboratory of Flexible Electronics, Fujian Normal University and Strait Laboratory of Flexible Electronics (SLo-FE), Fuzhou 350017, China; (Y.M.); (X.L.); (J.H.)
- Frontiers Science Center for Flexible Electronics (FSCFE), MIIT Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University, Xi’an 710072, China
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
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Hou S, Zhang M, Huo Y, Chen X, Qian W, Zhang W, Zhang S. Recent advances and applications of ionic covalent organic frameworks in food analysis. J Chromatogr A 2024; 1730:465113. [PMID: 38959656 DOI: 10.1016/j.chroma.2024.465113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 06/17/2024] [Accepted: 06/22/2024] [Indexed: 07/05/2024]
Abstract
Ionic covalent organic frameworks with both crystallinity and charged sites have attracted significant attention from the scientific community. The versatile textural structures, precisely defined channels, and abundant charged sites of ionic COFs offer immense potential in various areas such as separation, sample pretreatment, ion conduction mechanisms, sensing applications, catalytic reactions, and energy storage systems. This review presents a comprehensive overview of facile preparation methods for ionic covalent organic frameworks (iCOFs), along with their applications in food sample pretreatment techniques such as solid-phase extraction (SPE), magnetic solid-phase extraction (MSPE), and dispersive solid-phase extraction (DSPE). Furthermore, it highlights the extensive utilization of iCOFs in detecting various food contaminants including pesticides, contaminants from food packaging, veterinary drugs, perfluoroalkyl substances, and poly-fluoroalkyl substances. Specifically, this review critically discusses the limitations, challenges, and future prospects associated with employing iCOF materials to ensure food safety.
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Affiliation(s)
- Shijiao Hou
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Mengjiao Zhang
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Yichan Huo
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Xin Chen
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Wenping Qian
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Wenfen Zhang
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, PR China; Food Laboratory of Zhongyuan, Wenming Road 100, Luohe, Henan 462000, PR China; Flavour Science Research Center of Zhengzhou University, Kexue Avenue 100, Zhengzhou, Henan 450001, PR China.
| | - Shusheng Zhang
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, PR China; Food Laboratory of Zhongyuan, Wenming Road 100, Luohe, Henan 462000, PR China; Flavour Science Research Center of Zhengzhou University, Kexue Avenue 100, Zhengzhou, Henan 450001, PR China.
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7
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Zhang Q, Zhu N, Lu Z, He M, Chen B, Hu B. Magnetic covalent organic frameworks as sorbents in the chromatographic analysis of environmental organic pollutants. J Chromatogr A 2024; 1728:465034. [PMID: 38824842 DOI: 10.1016/j.chroma.2024.465034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 05/25/2024] [Accepted: 05/27/2024] [Indexed: 06/04/2024]
Abstract
Covalent organic frameworks (COFs) are featured with large specific surface areas, good thermal stability, and abundant pores. These properties are exactly what the sorbents used for extraction or adsorption of interest substances are desired with. While, the low density and hydrophobicity of COFs often makes them difficult to be dispersed evenly and recovered from the aqueous solution. Magnetic covalent organic frameworks (MCOFs) inherit magnetic property of the magnetic particles and porous structure of COFs. They have improved dispersity in aqueous solution and phase separation can be rapidly achieved via external magnetic fields. This review summarized the synthesis strategies for MCOFs, and their application in trace environmental organic pollutants analysis by chromatography techniques. The selection of COFs types and modification with active groups for a certain adsorption purpose is discussed, along with the exploration of adsorption mechanisms, which is beneficial for the design and synthesis of MCOFs.
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Affiliation(s)
- Qiulin Zhang
- Department of Chemistry, Wuhan University, China
| | - Ning Zhu
- Department of Chemistry, Wuhan University, China
| | - Ziyang Lu
- Department of Chemistry, Wuhan University, China
| | - Man He
- Department of Chemistry, Wuhan University, China
| | - Beibei Chen
- Department of Chemistry, Wuhan University, China
| | - Bin Hu
- Department of Chemistry, Wuhan University, China.
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8
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Ma J, Huang W, Huang X, Yang N, Gong J, Xie Z, Li G, Liao Q, Chen Y. Construction of dual-chiral covalent organic frameworks for enantioselective separation. J Chromatogr A 2024; 1728:465014. [PMID: 38797135 DOI: 10.1016/j.chroma.2024.465014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 05/07/2024] [Accepted: 05/20/2024] [Indexed: 05/29/2024]
Abstract
Developing novel chiral stationary phases (CSPs) with versatility is of great importance in enantiomer separation. This study fabricated a dual-chiral covalent organic framework (PA-CA COF) via successive post-synthetic modifications. The chiral trans-1,2-cyclohexanediamine (CA) and (D)-penicillamine (PA) groups were periodically aligned within nanochannels of the COF, allowing selective recognition of enantiomers through intermolecular interactions. It can be a versatile high-performance liquid chromatography (HPLC) CSP for separating a wide range of enantiomers, including chiral pharmaceutical intermediates and chiral drugs. With separation performance comparable to commercial chiral columns and even greater versatility, the PA-CA COF@SiO2 column held promise for practical applications. Chiral separation results combined with molecular simulation indicated that the mixed mode of PA and CA resulted in the broad separation capability of PA-CA COF. The introduction of the dual-chiral COFs concept opens up a new avenue for chiral recognition and separation, holding great potential for practical enantiomer separation.
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Affiliation(s)
- Juanqiong Ma
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Wenyi Huang
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Xinyu Huang
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Na Yang
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Jing Gong
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Zhiyong Xie
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen, 518106, China
| | - Gongke Li
- School of Chemistry, Sun Yat-sen University, Guangzhou, Guangdong Province 510006, China
| | - Qiongfeng Liao
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
| | - Yanlong Chen
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
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9
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Chen Z, Fang P, Zou X, Shi Z, Zhang J, Sun Z, Guo S, Yan F. Interlayer Polymerization to Construct a Fully Conjugated Covalent Organic Framework as a Metal-Free Oxygen Reduction Reaction Catalyst for Anion Exchange Membrane Fuel Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2401880. [PMID: 38678520 DOI: 10.1002/smll.202401880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Revised: 04/15/2024] [Indexed: 05/01/2024]
Abstract
Two-dimensional (2D) covalent organic frameworks (COFs) have a multilayer skeleton with a periodic π-conjugated molecular array, which can facilitate charge carrier transport within a COF layer. However, the lack of an effective charge carrier transmission pathway between 2D COF layers greatly limits their applications in electrocatalysis. Herein, by employing a side-chain polymerization strategy to form polythiophene along the nanochannels, a conjugated bridge is constructed between the COF layers. The as-synthesized fully conjugated COF (PTh-COF) exhibits high oxygen reduction reaction (ORR) activity with narrowed energy band gaps. Correspondingly, PTh-COF is tested as a metal-free cathode catalyst for anion exchange membrane fuel cells (AEMFCs) which showed a maximum power density of 176 mW cm-2 under a current density of 533 mA cm-2. The density functional theory (DFT) calculation reveals that interlayer conjugated polythiophene optimizes the electron cloud distribution, which therefore enhances the ORR performance. This work not only provides new insight into the construction of a fully conjugated covalent organic framework but also promotes the development of new metal-free ORR catalysts.
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Affiliation(s)
- Zhiwei Chen
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Pengda Fang
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Xiuyang Zou
- School of Chemistry and Chemical Engineering, Huaiyin Normal University, No.111 West Changjiang Road, Huaian, 223300, China
| | - Zheng Shi
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Jiamin Zhang
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Zhe Sun
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Siyu Guo
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Feng Yan
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
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Wang HZ, Chan MHY, Yam VWW. Heavy-Metal Ions Removal and Iodine Capture by Terpyridine Covalent Organic Frameworks. SMALL METHODS 2024:e2400465. [PMID: 39049798 DOI: 10.1002/smtd.202400465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 07/02/2024] [Indexed: 07/27/2024]
Abstract
Porous materials are excellent candidates for water remediation in environmental issues. However, it is still a key challenge to design efficient adsorbents for rapid water purification from various heavy metal ions-contaminated wastewater in one step. Here, two robust nitrogen-rich covalent organic frameworks (COFs) bearing terpyridine units on the pore walls by a "bottom-up" strategy are reported. Benefitting from the strong chelation interaction between the terpyridine units and various heavy metal ions, these two terpyridine COFs show excellent removal efficiency and capability for Pb2+, Hg2+, Cu2+, Ag+, Cd2+, Ni2+, and Cr3+ from water. These COFs are shown to remove such heavy metal ions with >90% of contents at one time after the aqueous metal ions mixture is passed through the COF filter. The nitrogen-rich features of the COFs also endow them with the capability of capturing iodine vapors, offering the terpyridine COFs the potential for environmental remediation applications.
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Affiliation(s)
- Huai-Zhen Wang
- Institute of Molecular Functional Materials, State Key Laboratory of Synthetic Chemistry and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, 999077, P. R. China
| | - Michael Ho-Yeung Chan
- Institute of Molecular Functional Materials, State Key Laboratory of Synthetic Chemistry and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, 999077, P. R. China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials, State Key Laboratory of Synthetic Chemistry and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, 999077, P. R. China
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11
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Dong P, Xu X, Wu T, Luo R, Kong W, Xu Z, Yuan S, Zhou J, Lei J. Stepwise Protonation of Three-Dimensional Covalent Organic Frameworks for Enhancing Hydrogen Peroxide Photosynthesis. Angew Chem Int Ed Engl 2024; 63:e202405313. [PMID: 38738593 DOI: 10.1002/anie.202405313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 05/13/2024] [Accepted: 05/13/2024] [Indexed: 05/14/2024]
Abstract
Three-dimensional covalent organic frameworks (3D COFs), recognized for their tailorable structures and accessible active sites, offer a promising platform for developing advanced photocatalysts. However, the difficulty in the synthesis and functionalization of 3D COFs hinders their further development. In this study, we present a series of 3D-bcu-COFs with 8 connected porphyrin units linked by linear linkers through imine bonds as a versatile platform for photocatalyst design. The photoresponse of 3D-bcu-COFs was initially modulated by functionalizing linear linkers with benzo-thiadiazole or benzo-selenadiazole groups. Furthermore, taking advantage of the well-exposed porphyrin and imine sites in 3D-bcu-COFs, their photocatalytic activity was optimized by stepwise protonation of imine bonds and porphyrin centers. The dual protonated COF with benzo-selenadiazole groups exhibited enhanced charge separation, leading to an increased photocatalytic H2O2 production under visible light. This enhancement demonstrates the combined benefits of linker functionalization and stepwise protonation on photocatalytic efficiency.
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Affiliation(s)
- Pengfei Dong
- State Key Laboratory of Analytical Chemistry for Life Science State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Xinyu Xu
- State Key Laboratory of Analytical Chemistry for Life Science State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Taikang Wu
- State Key Laboratory of Analytical Chemistry for Life Science State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Rengan Luo
- State Key Laboratory of Analytical Chemistry for Life Science State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Weisu Kong
- State Key Laboratory of Analytical Chemistry for Life Science State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Zhiyuan Xu
- State Key Laboratory of Analytical Chemistry for Life Science State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Shuai Yuan
- State Key Laboratory of Analytical Chemistry for Life Science State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Jun Zhou
- State Key Laboratory of Analytical Chemistry for Life Science State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Jianping Lei
- State Key Laboratory of Analytical Chemistry for Life Science State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
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Wang Q, Wang P, Wang Y, Xu Y, Xu H, Xi K. Design of High-Performance Formyl-Functionalized COF Aerogels as Quasi-Solid Lithium Battery Electrolyte by a Solvent Substitution Strategy. ACS APPLIED MATERIALS & INTERFACES 2024; 16:37052-37062. [PMID: 38965714 DOI: 10.1021/acsami.4c07017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/06/2024]
Abstract
Covalent organic framework (COF) aerogels with functional groups offer exceptional processability and functionality for various applications. These hierarchical porous materials combine the advantages of COFs with the benefits of aerogels, overcoming the limitations of conventional insoluble and nonfusible COF powders. However, achieving both high crystallinity and shape retention remains a challenge for functionalized COF aerogels. In this work, we develop a novel and general solvent substitution method for the one-step synthesis of formyl-functionalized COF aerogels without harsh vacuum conditions. These aerogels exhibit excellent processing capabilities, superior mechanical strength, and enhanced functionality. As a proof-of-concept, they were used in adsorption and lithium metal battery applications, significantly maximizing the structural advantages of COFs, e.g.: (i) the hierarchical porous structure is fully wetted by the electrolyte to form continuous transport channels; (ii) the polar groups, which are easier to be acquired, help in desolvation and transfer of Li+; (iii) the regular pore structures stabilize deposition of Li+ and inhibit the growth of lithium dendrites. These combined benefits contribute to a lighter battery with improved energy density and enhanced safety.
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Affiliation(s)
- Qiaomu Wang
- MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Peng Wang
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Yandong Wang
- MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Yang Xu
- MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Haocheng Xu
- MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Kai Xi
- MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
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13
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Yang Y, Guo S, Zhang Q, Guan ZJ, Wang QM. A Cages-on-Cluster Structure Constructed by Post-Clustering Covalent Modifications and Guest-Enabled Stimuli-Responsive Luminescence. Angew Chem Int Ed Engl 2024; 63:e202404798. [PMID: 38713516 DOI: 10.1002/anie.202404798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 05/07/2024] [Accepted: 05/07/2024] [Indexed: 05/09/2024]
Abstract
A gold(I)-cluster-based twin-cage has been constructed by post-clustering covalent modification of a hexa-aldehyde cluster precursor with triaminotriethylamines. The cages-on-cluster structure has double cavities and four binding sites, which show site-discriminative binding for silver(I) and copper(I) guests. The guests in the tripodal hats affect the luminescence of the cluster: the tetra-silver(I) host-guest complex is weakly red-emissive, while the bis-copper(I)-bis-silver(I) one is non-emissive but is a stimuli-responsive supramolecule. The copper(I) ion inside the tri-imine cavity is oxidation sensitive, which enables the release of the bright emissive precursor cluster triggered by H2O2 solution. The hybridization of a cluster with cavities to construct a cluster-based cage presents an innovative concept for functional cluster design, and the post-clustering covalent modification opens up new avenues for finely tuning the properties of clusters.
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Affiliation(s)
- Yang Yang
- Department of Chemistry, College of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China
- Department of Chemistry, School of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, P. R. China
| | - Shan Guo
- Department of Chemistry, College of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China
| | - Qian Zhang
- Department of Chemistry, College of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China
| | - Zong-Jie Guan
- Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
- Department of Chemistry, School of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, P. R. China
| | - Quan-Ming Wang
- Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
- Department of Chemistry, School of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, P. R. China
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14
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Zhao W, Zhu Q, Wu X, Zhao D. The development of catalysts and auxiliaries for the synthesis of covalent organic frameworks. Chem Soc Rev 2024; 53:7531-7565. [PMID: 38895859 DOI: 10.1039/d3cs00908d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Covalent organic frameworks (COFs) have recently seen significant advancements. Large quantities of structurally & functionally oriented COFs with a wide range of applications, such as gas adsorption, catalysis, separation, and drug delivery, have been explored. Recent achievements in this field are primarily focused on advancing synthetic methodologies, with catalysts playing a crucial role in achieving highly crystalline COF materials, particularly those featuring novel linkages and chemistry. A series of reviews have already been published over the last decade, covering the fundamentals, synthesis, and applications of COFs. However, despite the pivotal role that catalysts and auxiliaries play in forming COF materials and adjusting their properties (e.g., crystallinity, porosity, stability, and morphology), limited attention has been devoted to these essential components. In this Critical Review, we mainly focus on the state-of-the-art progress of catalysts and auxiliaries applied to the synthesis of COFs. The catalysts include four categories: acid catalysts, base catalysts, transition-metal catalysts, and other catalysts. The auxiliaries, such as modulators, oxygen, and surfactants, are discussed as well. This is then followed by the description of several specific applications derived from the utilization of catalysts and auxiliaries. Lastly, a perspective on the major challenges and opportunities associated with catalysts and auxiliaries is provided.
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Affiliation(s)
- Wei Zhao
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore.
| | - Qiang Zhu
- Leverhulme Research Centre for Functional Materials Design, Materials Innovation Factory and Department of Chemistry, University of Liverpool, Liverpool, UK
| | - Xiaofeng Wu
- Leverhulme Research Centre for Functional Materials Design, Materials Innovation Factory and Department of Chemistry, University of Liverpool, Liverpool, UK
| | - Dan Zhao
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore.
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15
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Wen F, Huang N. Covalent Organic Frameworks for Water Harvesting from Air. CHEMSUSCHEM 2024; 17:e202400049. [PMID: 38369966 DOI: 10.1002/cssc.202400049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 02/17/2024] [Accepted: 02/19/2024] [Indexed: 02/20/2024]
Abstract
Despite approximately 70 % of the earth being covered by water, water shortage has emerged as an urgent social challenge. Sorbent-based atmospheric water harvesting stands out as a potent approach to alleviate the situation, particularly in arid regions. This method requires adsorbents with ample working capacity, rapid kinetics, low energy costs, and long-term stability under operating conditions. Covalent organic frameworks (COFs) are a novel class of crystalline porous materials and offer distinct advantages due to their high specific surface area, structural diversity, and robustness. These properties enable the rational design and customization of their water-harvesting capabilities. Herein, the basic concepts about the water sorption process within COFs, including the parameters that qualitatively or quantitatively describe their water isotherms and the mechanism are summarized. Then, the recent methods used to prepare COFs-based water harvesters are reviewed, emphasizing the structural diversity of COFs and presenting the common empirical understandings of these endeavors. Finally, challenges and research concepts are proposed to help develop next-generation COFs-based water harvesters.
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Affiliation(s)
- Fuxiang Wen
- State Key Laboratory of Silicon and Advanced Semiconductor Materials, Department of Polymer Science and Engineering, Zhejiang University, 310058, Hangzhou, China
| | - Ning Huang
- State Key Laboratory of Silicon and Advanced Semiconductor Materials, Department of Polymer Science and Engineering, Zhejiang University, 310058, Hangzhou, China
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16
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Cheng ST, Qiao JY, Zhang HM, Shen XF, Pang YH. Covalent organic framework reinforced hollow fiber bar for extraction and detection of bisphenols from beverages. Food Chem 2024; 445:138802. [PMID: 38401314 DOI: 10.1016/j.foodchem.2024.138802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/14/2024] [Accepted: 02/16/2024] [Indexed: 02/26/2024]
Abstract
Bisphenols (BPs) can migrate from packaging materials into foods, resulting in potentially harmful residues. For example, accumulation of BPs is associated with endocrine disorders. Owing to matrix effects, development of an effective and eco-friendly sample pretreatment would be helpful for BPs detection in beverages packed in plastic containers. In this work, an extraction bar, composed of hollow fiber (HF) functionalized with covalent organic frameworks (COF@Tp-NDA) and 1-ocanol, was prepared for extraction of five BPs simultaneously. The synergistic effect of COF@Tp-NDA and 1-octanol improved the extraction efficiency of BPs from milk-based beverage, juice, and tea beverage. Under optimal conditions, limits of detection ranged from 0.10 to 2.00 ng mL-1 (R2 ≥ 0.9974) and recoveries ranged from 70.1 % to 106.8 %. This method has the potential to enrich BPs, supporting their accurate determination in complex beverages.
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Affiliation(s)
- Shu-Ting Cheng
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Jin-Yu Qiao
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Hong-Ming Zhang
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xiao-Fang Shen
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yue-Hong Pang
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
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17
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Lu X, Zhang K, Niu X, Ren DD, Zhou Z, Dang LL, Fu HR, Tan C, Ma L, Zang SQ. Encapsulation engineering of porous crystalline frameworks for delayed luminescence and circularly polarized luminescence. Chem Soc Rev 2024; 53:6694-6734. [PMID: 38747082 DOI: 10.1039/d3cs01026k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
Delayed luminescence (DF), including phosphorescence and thermally activated delayed fluorescence (TADF), and circularly polarized luminescence (CPL) exhibit common and broad application prospects in optoelectronic displays, biological imaging, and encryption. Thus, the combination of delayed luminescence and circularly polarized luminescence is attracting increasing attention. The encapsulation of guest emitters in various host matrices to form host-guest systems has been demonstrated to be an appealing strategy to further enhance and/or modulate their delayed luminescence and circularly polarized luminescence. Compared with conventional liquid crystals, polymers, and supramolecular matrices, porous crystalline frameworks (PCFs) including metal-organic frameworks (MOFs), covalent-organic frameworks (COFs), zeolites and hydrogen-bonded organic frameworks (HOFs) can not only overcome shortcomings such as flexibility and disorder but also achieve the ordered encapsulation of guests and long-term stability of chiral structures, providing new promising host platforms for the development of DF and CPL. In this review, we provide a comprehensive and critical summary of the recent progress in host-guest photochemistry via the encapsulation engineering of guest emitters in PCFs, particularly focusing on delayed luminescence and circularly polarized luminescence. Initially, the general principle of phosphorescence, TADF and CPL, the combination of DF and CPL, and energy transfer processes between host and guests are introduced. Subsequently, we comprehensively discuss the critical factors affecting the encapsulation engineering of guest emitters in PCFs, such as pore structures, the confinement effect, charge and energy transfer between the host and guest, conformational dynamics, and aggregation model of guest emitters. Thereafter, we summarize the effective methods for the preparation of host-guest systems, especially single-crystal-to-single-crystal (SC-SC) transformation and epitaxial growth, which are distinct from conventional methods based on amorphous materials. Then, the recent advancements in host-guest systems based on PCFs for delayed luminescence and circularly polarized luminescence are highlighted. Finally, we present our personal insights into the challenges and future opportunities in this promising field.
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Affiliation(s)
- Xiaoyan Lu
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, P. R. China.
| | - Kun Zhang
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, P. R. China.
- College of Materials and Chemical Engineering, China Three Gorges University, Yichang 443002, P. R. China
| | - Xinkai Niu
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, P. R. China.
- Xinjiang Production & Construction Corps Key Laboratory of Advanced Energy Storage Materials and Technology, College of Science, Shihezi University, Shihezi 832003, P. R. China
| | - Dan-Dan Ren
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, P. R. China.
- College of Materials and Chemical Engineering, China Three Gorges University, Yichang 443002, P. R. China
| | - Zhan Zhou
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, P. R. China.
| | - Li-Long Dang
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, P. R. China.
| | - Hong-Ru Fu
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, P. R. China.
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
| | - Chaoliang Tan
- Department Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, SAR 999077, P. R. China.
| | - Lufang Ma
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, P. R. China.
| | - Shuang-Quan Zang
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China.
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18
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Kan X, Wang JC, Dong YB. Metalated covalent organic frameworks as efficient catalysts for multicomponent tandem reactions. Chem Commun (Camb) 2024; 60:6362-6374. [PMID: 38836312 DOI: 10.1039/d4cc01743a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
Multicomponent tandem reactions have become indispensable synthetic methods due to their economic advantages and efficient usage in natural products and drug synthesis. The emergence of metalated covalent organic frameworks (MCOFs) has opened up new opportunities for the advancement of multicomponent tandem reactions. In contrast to commonly used homogeneous transition metal catalysts, MCOFs possess regular porosity, high crystallinity, and rich metal chelation sites that facilitate the uniform distribution and anchoring of metals within their cavities. Thus, they show extremely high activity and have recently been widely employed as catalysts for multicomponent tandem reactions. It is timely to conduct a review of MCOFs in multicomponent tandem reactions, in order to offer guidance and assistance for the synthesis of MCOF catalysts and their application in multicomponent tandem reactions. This review provides a comprehensive overview of the design and synthesis of MCOFs, their application and progress in multicomponent tandem reactions, and the primary challenges encountered during their current development with the aim of contributing to the promotion of the field.
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Affiliation(s)
- Xuan Kan
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan 250014, P. R. China.
| | - Jian-Cheng Wang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan 250014, P. R. China.
| | - Yu-Bin Dong
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan 250014, P. R. China.
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19
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Bazazi S, Hashemi E, Mohammadjavadi M, Saeb MR, Liu Y, Huang Y, Xiao H, Seidi F. Metal-organic framework (MOF)/C-dots and covalent organic framework (COF)/C-dots hybrid nanocomposites: Fabrications and applications in sensing, medical, environmental, and energy sectors. Adv Colloid Interface Sci 2024; 328:103178. [PMID: 38735101 DOI: 10.1016/j.cis.2024.103178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 03/31/2024] [Accepted: 05/03/2024] [Indexed: 05/14/2024]
Abstract
Developing new hybrid materials is critical for addressing the current needs of the world in various fields, such as energy, sensing, health, hygiene, and others. C-dots are a member of the carbon nanomaterial family with numerous applications. Aggregation is one of the barriers to the performance of C-dots, which causes luminescence quenching, surface area decreases, etc. To improve the performance of C-dots, numerous matrices including metal-organic frameworks (MOFs), covalent-organic frameworks (COFs), and polymers have been composited with C-dots. The porous crystalline structures, which are constituents of metal nodes and organic linkers (MOFs) or covalently attached organic units (COFs) provide privileged features such as high specific surface area, tunable structures, and pore diameters, modifiable surface, high thermal, mechanical, and chemical stabilities. Also, the MOFs and COFs protect the C-dots from the environment. Therefore, MOF/C-dots and COF/C-dots composites combine their features while retaining topological properties and improving performances. In this review, we first compare MOFs with COFs as matrices for C-dots. Then, the recent progress in developing hybrid MOFs/C-dots and COFs/C-dots composites has been discussed and their applications in various fields have been explained briefly.
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Affiliation(s)
- Sina Bazazi
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Esmaeil Hashemi
- Department of Chemistry, Faculty of Science, University of Guilan, PO Box 41335-1914, Rasht, Iran
| | - Mahdi Mohammadjavadi
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Mohammad Reza Saeb
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, J. Hallera 107, 80-416 Gdańsk, Poland
| | - Yuqian Liu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Yang Huang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Huining Xiao
- Department of Chemical Engineering, University of New Brunswick, Fredericton, New Brunswick E3B 5A3, Canada.
| | - Farzad Seidi
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
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20
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Li XG, Li J, Chen J, Rao L, Zheng L, Yu F, Tang Y, Zheng J, Ma J. Porphyrin-based covalent organic frameworks from design, synthesis to biological applications. Biomater Sci 2024; 12:2766-2785. [PMID: 38717456 DOI: 10.1039/d4bm00214h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/21/2024]
Abstract
Covalent organic frameworks (COFs) constitute a class of highly functional porous materials composed of lightweight elements interconnected by covalent bonds, characterized by structural order, high crystallinity, and large specific surface area. The integration of naturally occurring porphyrin molecules, renowned for their inherent rigidity and conjugate planarity, as building blocks in COFs has garnered significant attention. This strategic incorporation addresses the limitations associated with free-standing porphyrins, resulting in the creation of well-organized porous crystal structures with molecular-level directional arrangements. The unique optical, electrical, and biochemical properties inherent to porphyrin molecules endow these COFs with diversified applications, particularly in the realm of biology. This review comprehensively explores the synthesis and modulation strategies employed in the development of porphyrin-based COFs and delves into their multifaceted applications in biological contexts. A chronological depiction of the evolution from design to application is presented, accompanied by an analysis of the existing challenges. Furthermore, this review offers directional guidance for the structural design of porphyrin-based COFs and underscores their promising prospects in the field of biology.
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Affiliation(s)
- Xin-Gui Li
- Research Center for Environmental Functional Materials, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, P. R. China.
| | - Junjian Li
- Research Center for Environmental Functional Materials, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, P. R. China.
| | - JinFeng Chen
- Research Center for Environmental Functional Materials, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, P. R. China.
| | - Liangmei Rao
- Research Center for Environmental Functional Materials, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, P. R. China.
| | - Libin Zheng
- Research Center for Environmental Functional Materials, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, P. R. China.
| | - Fei Yu
- College of Oceanography and Ecological Science, Shanghai Ocean University, No 999, Huchenghuan Road, Shanghai, 201306, P. R. China
| | - Yijing Tang
- Department of Chemical, Biomolecular, and Corrosion Engineering, The University of Akron, Akron, Ohio 44325, USA.
| | - Jie Zheng
- Department of Chemical, Biomolecular, and Corrosion Engineering, The University of Akron, Akron, Ohio 44325, USA.
| | - Jie Ma
- Research Center for Environmental Functional Materials, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, P. R. China.
- School of Civil Engineering, Kashi University, Kashi 844000, China
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21
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Zhang X, Chen X, Fu S, Cao Z, Gong W, Liu Y, Cui Y. Homochiral π-Rich Covalent Organic Frameworks Enabled Chirality Imprinting in Conjugated Polymers: Confined Polymerization and Chiral Memory from Scratch. Angew Chem Int Ed Engl 2024; 63:e202403878. [PMID: 38506535 DOI: 10.1002/anie.202403878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 03/21/2024]
Abstract
Optically active π-conjugated polymers (OACPs) have garnered increasing research interest for their resemblance to biological helices and intriguing chirality-related functions. Traditional methods for synthesizing involve decorating achiral conjugated polymer architectures with enantiopure side substituents through complex organic synthesis. Here, we report a new approach: the templated synthesis of unsubstituted OACPs via supramolecularly confined polymerizations of achiral monomers within nanopores of 2D or 3D chiral covalent organic frameworks (CCOFs). We show that the chiral π-rich nanospaces facilitate the in situ enantiospecific polymerization and self-propagation, akin to nonenzymatic polymerase chain reaction (PCR) system, resulting in chiral imprinting. The stacked polymer chains are kinetically inert enough to memorize the chiral information after liberating from CCOFs, and even after treatment at temperature up to 200 °C. The isolated OACPs demonstrate robust enantiodiscrimination, achieving up to 85 % ee in separating racemic amino acids. This underscores the potential of utilizing CCOFs as templates for supramolecularly imprinting optical activity into CPs, paving the way for synthetic evolution and advanced functional exploration of OACPs.
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Affiliation(s)
- Xiaofeng Zhang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Xinfa Chen
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Shiguo Fu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Ziping Cao
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Wei Gong
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Yan Liu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Yong Cui
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China
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22
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Traxler M, Dichtel WR. Continuous flow synthesis and post-synthetic conversion of single-crystalline covalent organic frameworks. Chem Sci 2024; 15:7545-7551. [PMID: 38784733 PMCID: PMC11110142 DOI: 10.1039/d4sc01128g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Accepted: 04/06/2024] [Indexed: 05/25/2024] Open
Abstract
The synthesis and scale-up of high quality covalent organic frameworks (COFs) remains a challenge due to slow kinetics of the reversible bond formation and the need for precise control of reaction conditions. Here we report the rapid synthesis of faceted single crystals of two-dimensional (2D) COFs using a continuous flow reaction process. Two imine linked materials were polymerized to the hexagonal CF-TAPB-DMPDA and the rhombic CF-TAPPy-PDA COF, respectively. The reaction conditions were optimized to produce single crystals of micrometer size, which notably formed when the reaction was cooling to room temperature. This indicated a growth mechanism consistent with the fusion of smaller COF particles. The optimized conditions were used to demonstrate the scalability of the continuous approach by synthesizing high quality, faceted COFs at a rate of more than 1 g h-1. The materials showed high crystallinity and porosity with surface areas exceeding 2000 m2 g-1. Additionally, the versatility of the continuous flow reaction approach was demonstrated on a post-synthetic single crystal to single crystal demethylation of CF-TAPB-DMPDA to afford a hydroxyl functionalized COF CF-TAPB-DHPDA. Throughout the modification process, the material maintained its hexagonal morphology, crystallinity, and porosity. This work reports the first example of synthesizing and post-synthetically modifying imine linked COF single crystals in continuous flow and will prove a first step towards scaling high quality COFs to industrial levels.
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Affiliation(s)
- Michael Traxler
- Department of Chemistry, Northwestern University 2145 Sheridan Road Evanston IL 60208 USA
| | - William R Dichtel
- Department of Chemistry, Northwestern University 2145 Sheridan Road Evanston IL 60208 USA
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23
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Yuan Y, Ren M, Zhu C, Lou Y, Liang Q, Xiong Z. Chemoselectivity Strategy Based on B-Label Integrated with Tailored COF for Targeted Metabolomic Analysis of Short-Chain Fatty Acids by UHPLC-MS/MS. Anal Chem 2024; 96:6575-6583. [PMID: 38637908 DOI: 10.1021/acs.analchem.3c05590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Chemoselective extraction strategy is an emerging and powerful means for targeted metabolomics analysis, which allows for the selective identification of biomarkers. Short-chain fatty acids (SCFAs) as functional metabolites for many diseases pose challenges in qualitative and quantitative analyses due to their high polarity and uneven abundance. In our study, we proposed the B-labeled method for the derivatization of SCFAs using easily available 3-aminobenzeneboronic acid as the derivatization reagent, which enables the introduction of recognition unit (boric acid groups). To analyze the B-labeled targeted metabolites accurately, cis-diol-based covalent organic framework (COF) was designed to specifically capture and release target compounds by pH-response borate affinity principle. The COF synthesized by the one-step Schiff base reaction possessed a large surface area (215.77 m2/g), excellent adsorption capacity (774.9 μmol/g), good selectivity, and strong regeneration ability (20 times). Combined with ultrahigh-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) analysis, our results indicated that the detection sensitivities of SCFAs increased by 1.2-2500 folds compared with unlabeled method, and the retention time and isomer separation were improved. Using this strategy, we determined twenty-six SCFAs in the serum and urine of rats in four groups about osteoporosis and identified important biomarkers related to the tricarboxylic acid cycle and fatty acid metabolism pathways. In summary, UHPLC-MS/MS based on B-labeled derivatization with tailored COF strategy shows its high selectivity, excellent sensitivity, and good chromatographic behavior and has remarkable application prospect in targeted metabolomics study of biospecimens.
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Affiliation(s)
- Yue Yuan
- School of Pharmacy, Shenyang Pharmaceutical University, No.26 Huatuo Rd, High & New Tech Development Zone, Benxi, Liaoning 117004, PR China
| | - Mengxin Ren
- School of Pharmacy, Shenyang Pharmaceutical University, No.26 Huatuo Rd, High & New Tech Development Zone, Benxi, Liaoning 117004, PR China
| | - Chengze Zhu
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, No.26 Huatuo Rd, High & New Tech Development Zone, Benxi, Liaoning 117004, PR China
| | - Yanwei Lou
- School of Pharmacy, Shenyang Pharmaceutical University, No.26 Huatuo Rd, High & New Tech Development Zone, Benxi, Liaoning 117004, PR China
| | - Qinghua Liang
- School of Pharmacy, Shenyang Pharmaceutical University, No.26 Huatuo Rd, High & New Tech Development Zone, Benxi, Liaoning 117004, PR China
| | - Zhili Xiong
- School of Pharmacy, Shenyang Pharmaceutical University, No.26 Huatuo Rd, High & New Tech Development Zone, Benxi, Liaoning 117004, PR China
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24
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Luo D, Zhu XW, Zhou XP, Li D. Covalent Post-Synthetic Modification of Metal-Organic Cages: Concepts and Recent Progress. Chemistry 2024; 30:e202400020. [PMID: 38293757 DOI: 10.1002/chem.202400020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 01/28/2024] [Accepted: 01/30/2024] [Indexed: 02/01/2024]
Abstract
Metal-organic cages (MOCs) are supramolecular coordination complexes that have internal cavities for hosting guest molecules and exhibiting various properties. However, the functions of MOCs are limited by the choice of the building blocks. Post-synthetic modification (PSM) is a technique that can introduce new functional groups and replace existing ones on the MOCs without changing their geometry. Among many PSM methods, covalent PSM is a promising approach to modify MOCs with tailored structures and functions. Covalent PSM can be applied to either the internal cavity or the external surface of the MOCs, depending on the functionality expected to be customized. However, there are still some challenges and limitations in the field of covalent PSM of MOCs, such as the balance between the stability of MOCs and the harshness of organic reactions involved in covalent PSMs. This concept article introduces the organic reaction types involved in covalent PSM of MOCs, their new applications after modification, and summarizes and provides an outlook of this research field.
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Affiliation(s)
- Dong Luo
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications Jinan University, Guangzhou, Guangdong, 510632, P.R. China
| | - Xiao-Wei Zhu
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications Jinan University, Guangzhou, Guangdong, 510632, P.R. China
- Guangdong Rare Earth Photofunctional Materials Engineering Technology Research Center, School of Chemistry and Environment, Jiaying University, Meizhou, 514015, P.R. China
| | - Xiao-Ping Zhou
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications Jinan University, Guangzhou, Guangdong, 510632, P.R. China
| | - Dan Li
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications Jinan University, Guangzhou, Guangdong, 510632, P.R. China
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25
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Zhao Y, Li S, Fu G, Yang H, Li S, Wu D, Zhang T. Construction of Layer-Blocked Covalent Organic Framework Heterogenous Films via Surface-Initiated Polycondensations with Strongly Enhanced Photocatalytic Properties. ACS CENTRAL SCIENCE 2024; 10:775-781. [PMID: 38680569 PMCID: PMC11046463 DOI: 10.1021/acscentsci.3c01195] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 01/03/2024] [Accepted: 01/04/2024] [Indexed: 05/01/2024]
Abstract
Imine-linked covalent organic frameworks (COFs) usually show high crystallinity and porosity, while vinyl-linked COFs have excellent semiconducting properties and stability. Therefore, achieving the advantages of imine- and vinyl-linkages in a single COF material is highly interesting but remains challenging. Herein, we demonstrate the fabrication of a layer-blocked COF (LB-COF) heterogeneous film that is composed of imine- and vinyl-linkages through two successive surface-initiated polycondensations. In brief, the bottom layer of imine-linked COF film was constructed on an amino-functionalized substrate via Schiff-base polycondensation, in which the unreacted aldehyde edges could be utilized for initiating aldol polycondensation to prepare the second layer of vinyl-linked COF film. The resultant LB-COF film displays excellent ordering due to the crystalline templating effect from the bottom imine-linked COF layer; meanwhile, the upper vinyl-linked COF layer could strongly enhance its stability and photocatalytic properties. The LB COF also presents superior performance in photocatalytic uranium extraction (320 mg g-1), which is higher than the imine-linked (35 mg g-1) and the vinyl-linked (295 mg g-1) counterpart. This study provides a novel surface-initiated strategy to synthesize layer-blocked COF heterogeneous films that combine the advantages of each building block.
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Affiliation(s)
- Yuxiang Zhao
- Key
Laboratory of Marine Materials and Related Technologies, Ningbo Institute of Materials Technology and Engineering,
Chinese Academy of Sciences, Ningbo 315201, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Shengfei Li
- Key
Laboratory of Marine Materials and Related Technologies, Ningbo Institute of Materials Technology and Engineering,
Chinese Academy of Sciences, Ningbo 315201, China
| | - Guangen Fu
- Key
Laboratory of Marine Materials and Related Technologies, Ningbo Institute of Materials Technology and Engineering,
Chinese Academy of Sciences, Ningbo 315201, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Haoyong Yang
- Key
Laboratory of Marine Materials and Related Technologies, Ningbo Institute of Materials Technology and Engineering,
Chinese Academy of Sciences, Ningbo 315201, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Shengxu Li
- Key
Laboratory of Marine Materials and Related Technologies, Ningbo Institute of Materials Technology and Engineering,
Chinese Academy of Sciences, Ningbo 315201, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Daheng Wu
- Key
Laboratory of Marine Materials and Related Technologies, Ningbo Institute of Materials Technology and Engineering,
Chinese Academy of Sciences, Ningbo 315201, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Tao Zhang
- Key
Laboratory of Marine Materials and Related Technologies, Ningbo Institute of Materials Technology and Engineering,
Chinese Academy of Sciences, Ningbo 315201, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
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26
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Wang W, Meng F, Bai Y, Lu Y, Yang Q, Feng J, Su Q, Ren H, Wu Q. Triazine-Carbazole-Based Covalent Organic Frameworks as Efficient Heterogeneous Photocatalysts for the Oxidation of N-aryltetrahydroisoquinolines. CHEMSUSCHEM 2024:e202301916. [PMID: 38651217 DOI: 10.1002/cssc.202301916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 04/08/2024] [Accepted: 04/22/2024] [Indexed: 04/25/2024]
Abstract
Covalent organic frameworks (COFs) have attracted growing interests as new material platform for a range of applications. In this study, a triazine-carbazole-based covalent organic framework (COF-TCZ) was designed as highly porous material with conjugated donor-acceptor networks, and feasibly synthesized by the Schiff condensation of 4,4',4''-(1,3,5-triazine-2,4,6-triyl)tr ianiline (TAPB) and 9-(4-formylphenyl)-9H-carbazole-3,6-dicarbaldehyde (CZTA) under the solvothermal condition. Considering the effect of linkage, the imine-linked COF-TCZ was further oxidized to obtain an amide-linked covalent organic framework (COF-TCZ-O). The as-synthesized COFs show high crystallinity, good thermal and chemical stability, and excellent photoactive properties. Two π-conjugated triazine-carbazole-based COFs with tunable linkages are beneficial for light-harvesting capacity and charge separation efficiency, which are empolyed as photocatalysts for the oxidation reaction of N-aryltetrahydroisoquinoline. The COFs catalyst systems exhibit the outstanding photocatalytic performance with high conversion, photostability and recyclability. Photoelectrochemical tests were employed to examine the behavior of photogenerated charge carriers in photo-illumination system. The control experiments provide further insights into the nature of photocatalysis. In addition, the current research also provided a valuable approach for developing photofunctional COFs to meet challenge in achieving the great potential of COFs materials in organic conversion.
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Affiliation(s)
- Wen Wang
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
| | - Fanyu Meng
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
| | - Yuhongxu Bai
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
| | - Yongchao Lu
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
| | - Qingru Yang
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
| | - Jing Feng
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
| | - Qing Su
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
| | - Hao Ren
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
| | - Qiaolin Wu
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
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27
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Meng X, Zheng L, Luo R, Kong W, Xu Z, Dong P, Ma J, Lei J. Bimodal Oxidation Electrochemiluminescence Mechanism of Coreactant-Embedded Covalent Organic Frameworks via Postsynthetic Modification. Angew Chem Int Ed Engl 2024; 63:e202402373. [PMID: 38441483 DOI: 10.1002/anie.202402373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Indexed: 03/21/2024]
Abstract
Electrochemiluminescence (ECL) efficiency is determined by charge transfer between coreactants and emitters in coreactant systems, which are usually limited by their slow intermolecular charge transfer. In this study, a covalent organic framework (COF) with aldehyde residue was synthesized, and then coreactants were covalently integrated into the skeleton through the postsynthetic modification strategy, resulting in a crystalline coreactant-embedded COF nanoemitter (C-COF). Compared to the pristine COF with an equivalent external coreactant, C-COF exhibited an extraordinary 1008-fold enhancement of ECL intensity due to the rapid intrareticular charge transfer. Significantly, with the pH increase, C-COF shows protonation-induced ECL enhancement for the first ECL peaked at +1.1 V and an opposite trend for the second ECL at +1.4 V, which were attributed to the antedating oxidation of coreactant in framework and COF self-oxidation, respectively. The resulting bimodal oxidation ECL mechanism was rationalized by spectral characterization and density functional theory calculations. The postsynthetic coreactant-embedded nanoemitters present innovative and universal avenues for advancing ECL systems.
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Affiliation(s)
- Xiaoxiao Meng
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Lifeng Zheng
- Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Rengan Luo
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Weisu Kong
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Zhiyuan Xu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Pengfei Dong
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Jing Ma
- Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Jianping Lei
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
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28
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Nishijima A, Osugi Y, Uemura T. Fabrication of Self-Expanding Metal-Organic Cages Using a Ring-Openable Ligand. Angew Chem Int Ed Engl 2024; 63:e202404155. [PMID: 38453647 DOI: 10.1002/anie.202404155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 03/06/2024] [Accepted: 03/06/2024] [Indexed: 03/09/2024]
Abstract
Metal-organic cages (MOCs), which are formed via coordination-driven assembly, are being extensively developed for various applications owing to the utility of their accessible molecular-sized cavity. While MOC structures are uniquely and precisely predetermined by the metal coordination number and ligand configuration, tailoring MOCs to further modulate the size, shape, and chemical environment of the cavities has become intensively studied for a more efficient and adaptive molecular binding. Herein, we report self-expanding MOCs that exhibit remarkable structural variations in cage size and flexibility while maintaining their topology. A cyclic ligand with an oligomeric chain tethering the two benzene rings of stilbene was designed and mixed with RhII ions to obtain the parent MOCs. These MOCs were successfully transformed into expanded MOCs via the selective cleavage of the double bond in stilbene. The expanded MOCs could effectively trap multidentate N-donor molecules in their enlarged cavity, in contrast to the original MOCs with a narrow cavity. As the direct synthesis of expanded MOCs is impractical because of the entropically disfavored structures, self-expansion using ring-openable ligands is a promising approach that allows precision engineering and the production of functional MOCs that would otherwise be inaccessible.
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Affiliation(s)
- Ami Nishijima
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, 113-8656, Tokyo, Japan
| | - Yuto Osugi
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, 113-8656, Tokyo, Japan
| | - Takashi Uemura
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, 113-8656, Tokyo, Japan
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29
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S S, Rajamohan N, S S, R A, M R. Sustainable remediation of pesticide pollutants using covalent organic framework - A review on material properties, synthesis methods and application. ENVIRONMENTAL RESEARCH 2024; 246:118018. [PMID: 38199472 DOI: 10.1016/j.envres.2023.118018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 11/08/2023] [Accepted: 12/21/2023] [Indexed: 01/12/2024]
Abstract
Covalent organic frameworks (COF) have emerged as a potential class of materials for a variety of applications in a wide number of sectors including power storage, environmental services, and biological applications due to their ordered and controllable porosity, large surface area, customizable structure, remarkable stability, and diverse electrical characteristics. COF have received a lot of attention in recent years in the field of environmental remediation, It also find its way to eliminate the emerging pollutant from the environment notably pesticide from polluted water. This review more concentrated on the application of COF in pesticide removal by modifying COF structure, COF synthesis and material properties. To increase the adsorption ability and selectivity of the material towards certain pesticides removal, the synthesis of COF involves organic linkers with various functional groups such as amine, carboxylic acid groups etc. The COF have a high degree of stability and endurance make them suitable for intermittent usage in water treatment applications. This review manifests the novel progress where modified COFs employed in a prominent manner to remove pesticides from polluted water. Some examples of COF application in the eradication of pesticides are triformyl phenylene framework functionalized with amine groups has capacity to remove up to 50 mg/l of Organophosphorus - chlorpyrifos. COF modified to improve their photocatalytic capacity to breakdown the pesticide under visible light irradiation. COF tetraphenyl ethylene linked with carboxylic acid group shows efficient photocatalytic degradation of 90% of organochlorine insecticide endosulfan when subjected to visible light. Atrazine and imidacloprid are reduced from 100 ppm to 1 ppm in aqueous solutions by COF based on high adsorption capacity. In addition, the strategies, technique, synthesis and functional group modification design of COF are discussed.
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Affiliation(s)
- Sujatha S
- Department of Chemical Engineering, St.Joseph's College of Engineering, OMR, Chennai, India.
| | - Natarajan Rajamohan
- Chemical Engineering Section, Faculty of Engineering, Sohar University, Sohar, Oman
| | - Sanjay S
- Department of Chemical Engineering, St.Joseph's College of Engineering, OMR, Chennai, India
| | - Abhishek R
- Department of Chemical Engineering, St.Joseph's College of Engineering, OMR, Chennai, India
| | - Rajasimman M
- Department of Chemical Engineering, Annamalai University, Annamalai Nagar, Chidambaram, India
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30
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Gavara R, Royuela S, Zamora F. A minireview on covalent organic frameworks as stationary phases in chromatography. Front Chem 2024; 12:1384025. [PMID: 38606080 PMCID: PMC11006975 DOI: 10.3389/fchem.2024.1384025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 03/15/2024] [Indexed: 04/13/2024] Open
Abstract
Advances in the design of novel porous materials open new avenues for the development of chromatographic solid stationary phases. Covalent organic frameworks (COFs) are promising candidates in this context due to their remarkable structural versatility and exceptional chemical and textural properties. In this minireview, we summarize the main strategies followed in recent years to apply these materials as stationary phases for chromatographic separations. We also comment on the perspectives of this new research field and potential directions to expand the applicability and implementation of COF stationary phases in analytical systems.
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Affiliation(s)
- Raquel Gavara
- Departamento de Química Inorgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, Madrid, Spain
| | - Sergio Royuela
- Departamento de Química Inorgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid, Spain
| | - Félix Zamora
- Departamento de Química Inorgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid, Spain
- Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, Madrid, Spain
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31
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Lu Z, Wang Z. Complete Photooxidation of Formaldehyde to CO 2 via Ni-Dual-Atom Decorated Crystalline Triazine Frameworks: A DFT Study. TOXICS 2024; 12:242. [PMID: 38668465 PMCID: PMC11054549 DOI: 10.3390/toxics12040242] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 03/22/2024] [Accepted: 03/23/2024] [Indexed: 04/29/2024]
Abstract
Formaldehyde (CH2O) emerges as a significant air pollutant, necessitating effective strategies for its oxidation to mitigate adverse impacts on human health and the environment. Among various technologies, the photooxidation of CH2O stands out owing to its affordability, safety, and effectiveness. Nitrogen-rich crystalline triazine-based organic frameworks (CTFs) exhibit considerable potential in this domain. Nevertheless, the weak and unstable CH2O adsorption hinders the overall oxidation efficiency of CTF. To address this limitation, we incorporate single and dual Ni atoms into nitrogen-rich CTFs by density functional theory (DFT) calculations, resulting in CTF-Ni and CTF-2Ni. This strategic modification significantly enhances the adsorption capability of CH2O. Notably, this synergy between Ni dual atoms activates CH2O by strong chemical adsorption, thereby reducing the energy barrier of CH2O oxidation and achieving the complete oxidation of CH2O to CO2. Moreover, the introduction of dual-atom Ni over CTF ameliorates visible and near-infrared light absorption and facilitates photoexcited charge transfer and separation. Finally, the underlying mechanisms of complete CH2O oxidation over CTF-2Ni are proposed. This work offers novel insights into the rational design of photocatalysts for CH2O oxidation through the integration of Ni dual atoms into CTFs.
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Affiliation(s)
- Zhao Lu
- HKUST Shenzhen-Hong Kong Collaborative Innovation Research Institute, Shenzhen 515100, China;
- Research and Development Center, Shenzhen Foundation Engineering Co., Ltd., Shenzhen 515100, China
| | - Zhongliao Wang
- Anhui Province Industrial Generic Technology Research Center for Alumics Materials, Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, School of Physics and Electronic Information, Huaibei Normal University, Huaibei 235000, China
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32
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Pilli P, Kommalapati HS, Golla VM, Khemchandani R, Ramachandran RK, Samanthula G. Covalent organic frameworks: spotlight on applications in the pharmaceutical arena. Bioanalysis 2024; 16:279-305. [PMID: 38445446 PMCID: PMC11235138 DOI: 10.4155/bio-2023-0256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 01/31/2024] [Indexed: 03/07/2024] Open
Abstract
Covalent organic frameworks (COFs) have much potential in the field of analytical separation research due to their distinctive characteristics, including easy modification, low densities, large specific surface areas and permanent porosity. This article provides a historical overview of the synthesis and broad perspectives on the applications of COFs. The use of COF-based membranes in gas separation, water treatment (desalination, heavy metals and dye removal), membrane filtration, photoconduction, sensing and fuel cells is also covered. However, these COFs also demonstrate great promise as solid-phase extraction sorbents and solid-phase microextraction coatings. In addition to various separation applications, this work aims to highlight important advancements in the synthesis of COFs for chiral and isomeric compounds.
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Affiliation(s)
- Pushpa Pilli
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education & Research (NIPER), Hyderabad, Balanagar, Telangana, 500037, India
| | - Hema Sree Kommalapati
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education & Research (NIPER), Hyderabad, Balanagar, Telangana, 500037, India
| | - Vijaya Madhyanapu Golla
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education & Research (NIPER), Hyderabad, Balanagar, Telangana, 500037, India
| | - Rahul Khemchandani
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education & Research (NIPER), Hyderabad, Balanagar, Telangana, 500037, India
| | - Roshitha Kunnath Ramachandran
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education & Research (NIPER), Hyderabad, Balanagar, Telangana, 500037, India
| | - Gananadhamu Samanthula
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education & Research (NIPER), Hyderabad, Balanagar, Telangana, 500037, India
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33
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Ren Y, Xu Y. Recent advances in two-dimensional polymers: synthesis, assembly and energy-related applications. Chem Soc Rev 2024; 53:1823-1869. [PMID: 38192222 DOI: 10.1039/d3cs00782k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
Two-dimensional polymers (2DPs) are a class of 2D crystalline polymer materials with definite structures, which have outstanding physical-chemical and electronic properties. They cleverly link organic building units through strong covalent bonds and can construct functional 2DPs through reasonable design and selection of different monomer units to meet various application requirements. As promising energy materials, 2DPs have developed rapidly in recent years. This review first introduces the basic overview of 2DPs, such as their historical development, inherent 2D characteristics and diversified topological advantages, followed by the summary of the typical 2DP synthesis methods recently (including "top-down" and "bottom-up" methods). The latest research progress in assembly and processing of 2DPs and the energy-related applications in energy storage and conversion are also discussed. Finally, we summarize and prospect the current research status, existing challenges, and future research directions of 2DPs.
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Affiliation(s)
- Yumei Ren
- School of Engineering, Westlake University, Hangzhou 310024, Zhejiang Province, China.
- School of Materials Science and Engineering, Zhengzhou University of Aeronautics, Zhengzhou 450046, China
| | - Yuxi Xu
- School of Engineering, Westlake University, Hangzhou 310024, Zhejiang Province, China.
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34
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Zhou LL, Guan Q, Dong YB. Covalent Organic Frameworks: Opportunities for Rational Materials Design in Cancer Therapy. Angew Chem Int Ed Engl 2024; 63:e202314763. [PMID: 37983842 DOI: 10.1002/anie.202314763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 11/18/2023] [Accepted: 11/20/2023] [Indexed: 11/22/2023]
Abstract
Nanomedicines are extensively used in cancer therapy. Covalent organic frameworks (COFs) are crystalline organic porous materials with several benefits for cancer therapy, including porosity, design flexibility, functionalizability, and biocompatibility. This review examines the use of COFs in cancer therapy from the perspective of reticular chemistry and function-oriented materials design. First, the modification sites and functionalization methods of COFs are discussed, followed by their potential as multifunctional nanoplatforms for tumor targeting, imaging, and therapy by integrating functional components. Finally, some challenges in the clinical translation of COFs are presented with the hope of promoting the development of COF-based anticancer nanomedicines and bringing COFs closer to clinical trials.
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Affiliation(s)
- Le-Le Zhou
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan, 250014, China
| | - Qun Guan
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan, 250014, China
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau Taipa, Macau SAR, 999078, China
| | - Yu-Bin Dong
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan, 250014, China
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35
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Hu HC, Wang ZP, Liang L, Du XY, Li T, Feng J, Xiao TT, Jin ZM, Ding SY, Liu Q, Lu LQ, Xiao WJ, Wang W. Bottom-Up Construction of Ni(II)-Incorporated Covalent Organic Framework for Metallaphotoredox Catalysis. Chemistry 2024; 30:e202303476. [PMID: 38065837 DOI: 10.1002/chem.202303476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Indexed: 12/30/2023]
Abstract
The construction of an all-in-one catalyst, in which the photosensitizer and the transition metal site are close to each other, is important for improving the efficiency of metallaphotoredox catalysis. However, the development of convenient synthetic strategies for the precise construction of an all-in-one catalyst remains a challenging task due to the requirement of precise installation of the catalytic sites. Herein, we have successfully established a facile bottom-up strategy for the direct synthesis of Ni(II)-incorporated covalent organic framework (COF), named LZU-713@Ni, as a versatile all-in-one metallaphotoredox catalyst. LZU-713@Ni showed excellent activity and recyclability in the photoredox/nickel-catalyzed C-O, C-S, and C-P cross-coupling reactions. Notably, this catalyst displayed a better catalytic activity than its homogeneous analogues, physically mixed dual catalyst system, and, especially, LZU-713/Ni which was prepared through post-synthetic modification. The improved catalytic efficiency of LZU-713@Ni should be attributed to the implementation of bottom-up strategy, which incorporated the fixed, ordered, and abundant catalytic sites into its framework. This work sheds new light on the exploration of concise and effective strategies for the construction of multifunctional COF-based photocatalysts.
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Affiliation(s)
- Hai-Chao Hu
- State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, 730000, P. R. China
| | - Zhi-Peng Wang
- State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, 730000, P. R. China
| | - Lin Liang
- State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, 730000, P. R. China
| | - Xin-Yu Du
- State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, 730000, P. R. China
| | - Ting Li
- State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, 730000, P. R. China
| | - Jie Feng
- State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, 730000, P. R. China
| | - Tian-Tian Xiao
- State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, 730000, P. R. China
| | - Ze-Ming Jin
- State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, 730000, P. R. China
| | - San-Yuan Ding
- State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, 730000, P. R. China
| | - Qiang Liu
- State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, 730000, P. R. China
| | - Liang-Qiu Lu
- Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei, 430079, P. R. China
| | - Wen-Jing Xiao
- Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei, 430079, P. R. China
| | - Wei Wang
- State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, 730000, P. R. China
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36
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Asif M, Kim S, Nguyen TS, Mahmood J, Yavuz CT. Covalent Organic Framework Membranes and Water Treatment. J Am Chem Soc 2024; 146:3567-3584. [PMID: 38300989 PMCID: PMC10870710 DOI: 10.1021/jacs.3c10832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 01/08/2024] [Accepted: 01/09/2024] [Indexed: 02/03/2024]
Abstract
Covalent organic frameworks (COFs) are an emerging class of highly porous crystalline organic polymers comprised entirely of organic linkers connected by strong covalent bonds. Due to their excellent physicochemical properties (e.g., ordered structure, porosity, and stability), COFs are considered ideal materials for developing state-of-the-art separation membranes. In fact, significant advances have been made in the last six years regarding the fabrication and functionalization of COF membranes. In particular, COFs have been utilized to obtain thin-film, composite, and mixed matrix membranes that could achieve effective rejection (mostly above 80%) of organic dyes and model organic foulants (e.g., humic acid). COF-based membranes, especially those prepared by embedding into polyamide thin-films, obtained adequate rejection of salts in desalination applications. However, the claims of ordered structure and separation mechanisms remain unclear and debatable. In this perspective, we analyze critically the design and exploitation of COFs for membrane fabrication and their performance in water treatment applications. In addition, technological challenges associated with COF properties, fabrication methods, and treatment efficacy are highlighted to redirect future research efforts in realizing highly selective separation membranes for scale-up and industrial applications.
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Affiliation(s)
- Muhammad
Bilal Asif
- Oxide
& Organic Nanomaterials for Energy & Environment (ONE) Laboratory,
Chemistry Program, Physical Science & Engineering (PSE), King Abdullah University of Science and Technology
(KAUST), Thuwal 23955, Saudi Arabia
- Advanced
Membranes & Porous Materials (AMPM) Center, Physical Science &
Engineering (PSE), King Abdullah University
of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
- KAUST
Catalysis Center (KCC), Physical Science & Engineering (PSE), King Abdullah University of Science and Technology
(KAUST), Thuwal 23955, Saudi Arabia
| | - Seokjin Kim
- Oxide
& Organic Nanomaterials for Energy & Environment (ONE) Laboratory,
Chemistry Program, Physical Science & Engineering (PSE), King Abdullah University of Science and Technology
(KAUST), Thuwal 23955, Saudi Arabia
- Advanced
Membranes & Porous Materials (AMPM) Center, Physical Science &
Engineering (PSE), King Abdullah University
of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
- KAUST
Catalysis Center (KCC), Physical Science & Engineering (PSE), King Abdullah University of Science and Technology
(KAUST), Thuwal 23955, Saudi Arabia
| | - Thien S. Nguyen
- Oxide
& Organic Nanomaterials for Energy & Environment (ONE) Laboratory,
Chemistry Program, Physical Science & Engineering (PSE), King Abdullah University of Science and Technology
(KAUST), Thuwal 23955, Saudi Arabia
- Advanced
Membranes & Porous Materials (AMPM) Center, Physical Science &
Engineering (PSE), King Abdullah University
of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
- KAUST
Catalysis Center (KCC), Physical Science & Engineering (PSE), King Abdullah University of Science and Technology
(KAUST), Thuwal 23955, Saudi Arabia
| | - Javeed Mahmood
- Oxide
& Organic Nanomaterials for Energy & Environment (ONE) Laboratory,
Chemistry Program, Physical Science & Engineering (PSE), King Abdullah University of Science and Technology
(KAUST), Thuwal 23955, Saudi Arabia
- Advanced
Membranes & Porous Materials (AMPM) Center, Physical Science &
Engineering (PSE), King Abdullah University
of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
- KAUST
Catalysis Center (KCC), Physical Science & Engineering (PSE), King Abdullah University of Science and Technology
(KAUST), Thuwal 23955, Saudi Arabia
| | - Cafer T. Yavuz
- Oxide
& Organic Nanomaterials for Energy & Environment (ONE) Laboratory,
Chemistry Program, Physical Science & Engineering (PSE), King Abdullah University of Science and Technology
(KAUST), Thuwal 23955, Saudi Arabia
- Advanced
Membranes & Porous Materials (AMPM) Center, Physical Science &
Engineering (PSE), King Abdullah University
of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
- KAUST
Catalysis Center (KCC), Physical Science & Engineering (PSE), King Abdullah University of Science and Technology
(KAUST), Thuwal 23955, Saudi Arabia
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37
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Li X, Pang H, Zhu Y, Xiang Y, Hu J, Huang D. Enhanced protonation ability of covalent organic frameworks via N, O-bidentate chelation for photocatalytic H 2 evolution. Chem Commun (Camb) 2024; 60:1782-1785. [PMID: 38252554 DOI: 10.1039/d3cc05558b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Inspired by the bidentate coordination chemistry of metal ions, we incorporated hydroxyl (OH) and methoxy (OMe) groups into the skeleton of imine-linked COFs to improve their protonation ability via intramolecular hydrogen bonds (O-H⋯NC). In comparison with the pristine COFs possessing monodentate nitrogen coordination sites, OH and OMe functionalized COFs with (N,O)-bidentate chelating sites exhibited up to 13.8 times faster photocatalytic hydrogen evolution rates (HERs).
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Affiliation(s)
- Xing Li
- Patent Examination Cooperation (Tianjin) Center of the Patent Office, Tianjin 300300, P. R. China
| | - Huaji Pang
- College of Chemistry, Huazhong Agricultural University, Wuhan 430070, P. R. China.
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Yanqiu Zhu
- College of Chemistry, Huazhong Agricultural University, Wuhan 430070, P. R. China.
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Yonggang Xiang
- College of Chemistry, Huazhong Agricultural University, Wuhan 430070, P. R. China.
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Jianxiang Hu
- College of Chemistry, Huazhong Agricultural University, Wuhan 430070, P. R. China.
| | - Dekang Huang
- College of Chemistry, Huazhong Agricultural University, Wuhan 430070, P. R. China.
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38
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Zhou Z, Xiong XH, Zhang L, Li Y, Yang Y, Dong X, Lou D, Wei Z, Liu W, Su CY, Sun J, Zheng Z. Linker-Guided Growth of Single-Crystal Covalent Organic Frameworks. J Am Chem Soc 2024; 146:3449-3457. [PMID: 38268407 DOI: 10.1021/jacs.3c13069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
The core features of covalent organic frameworks (COFs) are crystallinity and porosity. However, the synthesis of single-crystal COFs with monomers of diverse reactivity and adjustment of their pore structures remain challenging. Here, we show that linkers that can react with a node to form single-crystal COFs can guide other linkers that form either COFs or amorphous polymers with the node to gain single-crystal COFs with mixed components, which are homogeneous on the unit cell scale with controlled ratios. With the linker-guided crystal growth method, we created nine types of single-crystal COFs with up to nine different components, which are more complex than any known crystal. The structure of the crystal adapted approximately to that of the main component, and its pore volume could be expanded up to 8.8%. Different components lead to complex and diverse pore structures and offer the possibilities to gain positive synergies, as exemplified by a bicomponent COF with 2200 and 733% SO2 uptake capacity of that of the two pure-component counterparts at 298 K and 0.002 bar. The selectivity for separation of SO2/CO2 ranges from 1230 to 4247 for flue gas based on ideal adsorbed solution theory, recording porous crystals. The bicomponent COF also exhibits a 1300% retention time of its pure-component counterparts for SO2 in a dynamic column breakthrough experiment for deep desulfurization.
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Affiliation(s)
- Zhipeng Zhou
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, School of Chemistry, and State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou 510000, China
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences Peking University, Beijing 100000, China
| | - Xiao-Hong Xiong
- MOE Laboratory of Bioinorganic and Synthetic Chemistry, LIFM, IGCME, School of Chemistry, Sun Yat-Sen University, Guangzhou 510000, China
| | - Lei Zhang
- Cryo-Electron Microscopy Center, Southern University of Science and Technology, Shenzhen 518000, China
| | - Yuyao Li
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, School of Chemistry, and State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou 510000, China
| | - Yonghang Yang
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, School of Chemistry, and State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou 510000, China
| | - Xin Dong
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, School of Chemistry, and State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou 510000, China
| | - Dongyang Lou
- Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, School of Materials Science and Engineering, and State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou 510000, China
| | - Zhangwen Wei
- MOE Laboratory of Bioinorganic and Synthetic Chemistry, LIFM, IGCME, School of Chemistry, Sun Yat-Sen University, Guangzhou 510000, China
| | - Wei Liu
- Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, School of Materials Science and Engineering, and State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou 510000, China
| | - Cheng-Yong Su
- MOE Laboratory of Bioinorganic and Synthetic Chemistry, LIFM, IGCME, School of Chemistry, Sun Yat-Sen University, Guangzhou 510000, China
| | - Junliang Sun
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences Peking University, Beijing 100000, China
| | - Zhikun Zheng
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, School of Chemistry, and State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou 510000, China
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510000, China
- Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Jieyang 522000, China
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39
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Xue R, Liu YS, Guo H, Yang W, Yang GY. Chemical conversion of imine- into quinoline-linked covalent organic frameworks for photocatalytic oxidation. J Colloid Interface Sci 2024; 655:709-716. [PMID: 37976744 DOI: 10.1016/j.jcis.2023.11.078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/05/2023] [Accepted: 11/12/2023] [Indexed: 11/19/2023]
Abstract
Post-synthetic modification is an important strategy for improving and enhancing the properties and functions of covalent organic frameworks (COFs). Two imine-linked COFs are converted into the quinolone-linked COFs by converting the dynamic imine linkages in the COFs into more robust quinolone ring via aza-Diels-Alder cycloaddition reaction. The prepared quinolone-linked COFs not only maintain good crystallinity and porosity, but also possess expanded conjugate planes, enhanced light absorption and excellent stability. The quinolone-linked COFs present remarkable performance of photocatalytic oxidation reactions, including oxidation of phenylboric acids, coupling of benzylamine, and oxidation of thioethers. This work is helpful for preparing organic porous photocatalytic materials with high performance and long life.
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Affiliation(s)
- Rui Xue
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China; MOE Key Laboratory of Cluster Science, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, PR China
| | - Yin-Sheng Liu
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China
| | - Hao Guo
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China
| | - Wu Yang
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China.
| | - Guo-Yu Yang
- MOE Key Laboratory of Cluster Science, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, PR China.
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40
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Liu X, Ding X, Zheng T, Jin Y, Wang H, Yang X, Yu B, Jiang J. Single Cobalt Ion-Immobilized Covalent Organic Framework for Lithium-Sulfur Batteries with Enhanced Rate Capabilities. ACS APPLIED MATERIALS & INTERFACES 2024; 16:4741-4750. [PMID: 38239127 DOI: 10.1021/acsami.3c16319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Covalent organic frameworks (COFs) are notable for their remarkable structure, function designability, and tailorability, as well as stability, and the introduction of "open metal sites" ensures the efficient binding of small molecules and activation of substrates for heterogeneous catalysis and energy storage. Herein, we use the postsynthetic metal sites to catalyze polysulfide conversion and to boost the binding affinity to active matter for lithium-sulfur batteries (LSBs). A dual-pore COF, USTB-27, with hxl topology has been successfully assembled from the imine chemical reaction between 2,3,8,9,14,15-hexa(4-formylphenyl)diquinoxalino [2,3-a:2',3'-c]phenazine and [2,2'-bipyridine]-5,5'-diamine. The chelating nitrogen sites of both modules are able to postsynthetically functionalize with single cobalt sites to generate USTB-27-Co. The discharge capacity of the sulfur-loaded S@USTB-27-Co composite in a LSB is 1063, 945, 836, 765, 696, and 644 mA h g-1 at current densities of 0.1, 0.2, 0.5, 1.0, 2.0, and 5.0 C, respectively, much superior to that of non-cobalt-functionalized species S@USTB-27. Following the increased current densities, the rate performance of S@USTB-27-Co is much better than that of S@USTB-27. In particular, the capacity retention at 5.0 C has a magnificent increase from 19% for the latter species to 61% for the former one. Moreover, S@USTB-27-Co exhibits a higher specific capacity of 543 mA h g-1 than that of S@USTB-27 (402 mA h g-1) at a current density of 1.0 C after electrochemical cycling for 500 runs. This work illustrates the "open metal sites" strategy to engineer the active chemical component conversion in COF channels as well as their binding strength for specific applications.
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Affiliation(s)
- Xiaolin Liu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
- Chongqing Key Laboratory of Green Synthesis and Applications, College of Chemistry, Chongqing Normal University, Chongqing 401331, China
| | - Xu Ding
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Tianyu Zheng
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Yucheng Jin
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Hailong Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Xiya Yang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Baoqiu Yu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Jianzhuang Jiang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
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41
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Liu X, Wang J, Shang Y, Yavuz CT, Khashab NM. Ionic Covalent Organic Framework-Based Membranes for Selective and Highly Permeable Molecular Sieving. J Am Chem Soc 2024; 146:2313-2318. [PMID: 38232075 PMCID: PMC10835733 DOI: 10.1021/jacs.3c11542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/06/2024] [Accepted: 01/08/2024] [Indexed: 01/19/2024]
Abstract
Two-dimensional covalent organic frameworks (COFs) with uniform pores and large surface areas are ideal candidates for constructing advanced molecular sieving membranes. However, a fabrication strategy to synthesize a free-standing COF membrane with a high permselectivity has not been fully explored yet. Herein, we prepared a free-standing TpPa-SO3H COF membrane with vertically aligned one-dimensional nanochannels. The introduction of the sulfonic acid groups on the COF membrane provides abundant negative charge sites in its pore wall, which achieve a high water flux and an excellent sieving performance toward water-soluble drugs and dyes with different charges and sizes. Furthermore, the COF membrane exhibited long-term stability, fouling resistance, and recyclability in rejection performance. We envisage that this work provides new insights into the effect of ionic ligands on the design of a broad range of COF membranes for advanced separation applications.
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Affiliation(s)
- Xin Liu
- Smart
Hybrid Materials Laboratory (SHMs), Advanced Membranes and Porous
Materials Center, Department of Chemistry, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Jinrong Wang
- Smart
Hybrid Materials Laboratory (SHMs), Advanced Membranes and Porous
Materials Center, Department of Chemistry, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Yuxuan Shang
- Oxide
& Organic Nanomaterials for Energy & Environment Laboratory,
Advanced Membranes and Porous Materials Center, Department of Chemistry, King Abdullah University of Science and Technology
(KAUST), Thuwal 23955-6900, Kingdom
of Saudi Arabia
| | - Cafer T. Yavuz
- Oxide
& Organic Nanomaterials for Energy & Environment Laboratory,
Advanced Membranes and Porous Materials Center, Department of Chemistry, King Abdullah University of Science and Technology
(KAUST), Thuwal 23955-6900, Kingdom
of Saudi Arabia
| | - Niveen M. Khashab
- Smart
Hybrid Materials Laboratory (SHMs), Advanced Membranes and Porous
Materials Center, Department of Chemistry, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
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42
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Liu Y, Wang M, Hui Y, Tian J, Xu J, Lu Z, Yang Z, Guo H, Yang W. Eu 3+-Modified Covalent Organic Frameworks for the Detection of a Vinyl Chloride Monomer Exposure Biomarker. ACS Sens 2024; 9:315-324. [PMID: 38134362 DOI: 10.1021/acssensors.3c02015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2023]
Abstract
The vinyl chloride monomer (VCM), a common raw material in the plastics industry, is one of the environmental pollutants to which humans are mostly exposed. Thiodiglycolic acid (TDGA) in human urine is a specific biomarker of its exposure. TDGA plays an important role in understanding the relationships between exposure to the VCM and the identification of subgroups that are at increased risk for disease diagnosis. Therefore, its detection is of great significance. Here, we designed and established a ratiometric fluorescent sensor for TDGA by using Eu3+ as a bridge connecting the covalent organic framework (COF) and the energy donor molecule 2,6-dipicolinic acid (DPA) and named it DPA/Eu@PY-DHPB-COF-COOH. The sensor not only possesses the advantages of a ratiometric fluorescent sensor that can provide built-in self-calibration to correct a variety of target-independent factors but also presents high selectivity and high sensitivity. Currently, there are only a few reports on the detection of TDGA, and to the extent of our knowledge, this report is the first work on the detection of TDGA based on a COF system; so, it has an important reference value and lays a solid foundation for designing advanced sensors of TDGA.
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Affiliation(s)
- Yinsheng Liu
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education; Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection (NWNU), Ministry of Education; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Mingyue Wang
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education; Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection (NWNU), Ministry of Education; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Yingfei Hui
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education; Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection (NWNU), Ministry of Education; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Jiaying Tian
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education; Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection (NWNU), Ministry of Education; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Jiaxi Xu
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education; Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection (NWNU), Ministry of Education; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Zongyan Lu
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education; Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection (NWNU), Ministry of Education; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Zeyun Yang
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education; Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection (NWNU), Ministry of Education; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Hao Guo
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education; Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection (NWNU), Ministry of Education; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
| | - Wu Yang
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education; Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection (NWNU), Ministry of Education; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China
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43
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Hao M, Xie Y, Lei M, Liu X, Chen Z, Yang H, Waterhouse GIN, Ma S, Wang X. Pore Space Partition Synthetic Strategy in Imine-linked Multivariate Covalent Organic Frameworks. J Am Chem Soc 2024; 146:1904-1913. [PMID: 38133928 DOI: 10.1021/jacs.3c08160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2023]
Abstract
Partitioning the pores of covalent organic frameworks (COFs) is an attractive strategy for introducing microporosity and achieving new functionality, but it is technically challenging to achieve. Herein, we report a simple strategy for partitioning the micropores/mesopores of multivariate COFs. Our approach relies on the predesign and synthesis of multicomponent COFs through imine condensation reactions with aldehyde groups anchored in the COF pores, followed by inserting additional symmetric building blocks (with C2 or C3 symmetries) as pore partition agents. This approach allowed tetragonal or hexagonal pores to be partitioned into two or three smaller micropores, respectively. The synthesized library of pore-partitioned COFs was then applied for the capture of iodine pollutants (i.e., I2 and CH3I). This rich inventory allowed deep exploration of the relationships between the COF adsorbent composition, pore architecture, and adsorption capacity for I2 and CH3I capture under wide-ranging conditions. Notably, one of our developed pore-partitioned COFs (COF 3-2P) exhibited greatly enhanced dynamic I2 and CH3I adsorption performances compared to its parent COF (COF 3) in breakthrough tests, setting a new benchmark for COF-based adsorbents. Results present an effective design strategy toward functional COFs with tunable pore environments, functions, and properties.
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Affiliation(s)
- Mengjie Hao
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, P. R. China
| | - Yinghui Xie
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, P. R. China
| | - Ming Lei
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, P. R. China
| | - Xiaolu Liu
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, P. R. China
| | - Zhongshan Chen
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, P. R. China
| | - Hui Yang
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, P. R. China
| | | | - Shengqian Ma
- Department of Chemistry, University of North Texas, Denton, Texas 76201, United States
| | - Xiangke Wang
- College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, P. R. China
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44
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Zhao L, Tang X, Ni X, Zhang J, Ineza Urujeni G, Wang D, He H, Dramou P. Efficient and Selective Adsorption of cis-Diols via the Suzuki-Miyaura Cross-Coupling-Modified Phenylboronic-Acid Functionalized Covalent Organic Framework. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:1884-1891. [PMID: 38190755 DOI: 10.1021/acs.langmuir.3c03249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
In this work, a functional group (boronic acid) was modified onto a covalent organic framework (COF) using the Suzuki-Miyaura cross-coupling reaction to obtain a phenylboronic acid-functionalized covalent organic framework (BrCOF-PBA). This product was used as a selective adsorbent and largely as an efficient solid-phase extractant of flavonoids containing cis-diol structures like quercetin (QUE). Five or six-membered cyclic esters generated from the COF were characterized, and some physicochemical studies were performed, resulting in excellent chemical stability and crystallinity, high specific surface area, stable pore structure, and regular pore size. Unique selectivity of BrCOF-PBA was observed toward QUE and exhibited a huge adsorption capacity (213.96 mg g-1) in a relatively short time (90 min). In contrast, the adsorption properties of morin (MOR) and kaempferol (KAE) with a certain degree of chemical similarity to QUE were only 27.62 and 21.76 mg g-1, respectively. BrCOF-PBA also demonstrated good reusability and robustness, making it an attractive composite material for further analytical applicability.
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Affiliation(s)
- Linjie Zhao
- Department of Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Xue Tang
- Department of Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Xu Ni
- Department of Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Jingjing Zhang
- Department of Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | | | - Dan Wang
- Department of Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Hua He
- Department of Chemistry, China Pharmaceutical University, Nanjing 211198, China
- Key Laboratory of Biomedical Functional Materials, China Pharmaceutical University, Nanjing 211198, China
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing 211198, China
| | - Pierre Dramou
- Department of Chemistry, China Pharmaceutical University, Nanjing 211198, China
- Key Laboratory of Biomedical Functional Materials, China Pharmaceutical University, Nanjing 211198, China
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing 211198, China
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45
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Yu B, Lin RB, Xu G, Fu ZH, Wu H, Zhou W, Lu S, Li QW, Jin Y, Li JH, Zhang Z, Wang H, Yan Z, Liu X, Wang K, Chen B, Jiang J. Linkage conversions in single-crystalline covalent organic frameworks. Nat Chem 2024; 16:114-121. [PMID: 37723258 DOI: 10.1038/s41557-023-01334-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 08/18/2023] [Indexed: 09/20/2023]
Abstract
Single-crystal X-ray diffraction is a powerful characterization technique that enables the determination of atomic arrangements in crystalline materials. Growing or retaining large single crystals amenable to it has, however, remained challenging with covalent organic frameworks (COFs), especially suffering from post-synthetic modifications. Here we show the synthesis of a flexible COF with interpenetrated qtz topology by polymerization of tetra(phenyl)bimesityl-based tetraaldehyde and tetraamine building blocks. The material is shown to be flexible through its large, anisotropic positive thermal expansion along the c axis (αc = +491 × 10-6 K-1), as well as through a structural transformation on the removal of solvent molecules from its pores. The as-synthesized and desolvated materials undergo single-crystal-to-single-crystal transformation by reduction and oxidation of its imine linkages to amine and amide ones, respectively. These redox-induced linkage conversions endow the resulting COFs with improved stability towards strong acid; loading of phosphoric acid leads to anhydrous proton conductivity up to ca. 6.0 × 10-2 S cm-1.
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Affiliation(s)
- Baoqiu Yu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
| | - Rui-Biao Lin
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, China
| | - Gang Xu
- State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, China
| | - Zhi-Hua Fu
- State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, China
| | - Hui Wu
- Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD, USA
| | - Wei Zhou
- Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD, USA
| | - Shanfu Lu
- Beijing Key Laboratory of Bio-Inspired Energy Materials and Devices, School of Space and Environment, Beihang University, Beijing, China
| | - Qian-Wen Li
- State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, China
| | - Yucheng Jin
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
| | - Jing-Hong Li
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, China
| | - Zhenguo Zhang
- Beijing Key Laboratory of Bio-Inspired Energy Materials and Devices, School of Space and Environment, Beihang University, Beijing, China
| | - Hailong Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China.
| | - Zier Yan
- Rigaku Beijing Corporation, Beijing, China
| | - Xiaolin Liu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
| | - Kang Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
| | - Banglin Chen
- Fujian Provincial Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China.
| | - Jianzhuang Jiang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China.
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46
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Yang M, Li H, Borse RA, Lin SX, Yuan D. A Nickel Anchored Covalent Organic Framework as Unimolecular Metallaphotocatalyst for Visible Light Driver C-P Bond Coupling Reaction. Chemistry 2023:e202303556. [PMID: 38092708 DOI: 10.1002/chem.202303556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Indexed: 12/22/2023]
Abstract
The urgent need to develop a sustainable and environmentally friendly method for synthesizing organophosphine compounds is underscored by their extensive applications in organic synthesis, coordination chemistry, medicinal chemistry, and photoelectric materials. Metalated covalent organic frameworks (MCOFs), which seamlessly integrate the inherent photo properties of COF with the catalytic capabilities of metal ions, offer an optimal material for efficient transformation of organics sustainably. In this study, we introduce a simple COF with nickel anchorages (Bpy-COF-NiCl2 ) as a unimolecular metallaphotocatalytic system for effective C-P bond formation. This heterogeneous photocatalyst exhibits superior catalytic performance, achieving yields of up to 95 %, and demonstrates broad substrate tolerance and functional group reactivity. Notably, the metallaphotocatalytic system has demonstrated the capability to process aryl bromides to produce the desired product, a feat not previously reported. Finally, the production and reusability test at the gram scale attests to its superior practicality for designing future organic cross-coupling reactions.
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Affiliation(s)
- Manqiang Yang
- College of Chemistry, Fuzhou University, Fuzhou, 350116, China
- State Key Lab of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Huijie Li
- College of Chemistry, Fuzhou University, Fuzhou, 350116, China
- State Key Lab of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Rahul Anil Borse
- State Key Lab of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Shao-Xia Lin
- College of Chemistry, Fuzhou University, Fuzhou, 350116, China
- State Key Lab of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Daqiang Yuan
- College of Chemistry, Fuzhou University, Fuzhou, 350116, China
- State Key Lab of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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47
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Davies AE, Wenzel MJ, Brugger CL, Johnson J, Parkinson BA, Hoberg JO, de Sousa Oliveira L. Computationally directed manipulation of cross-linked covalent organic frameworks for membrane applications. Phys Chem Chem Phys 2023; 25:31090-31097. [PMID: 37947045 DOI: 10.1039/d3cp04452a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
Two-dimensional covalent organic frameworks (2D-COFs) exhibit characteristics ideal for membrane applications, such as high stability, tunability and porosity along with well-ordered nanopores. However, one of the many challenges with fabricating these materials into membranes is that membrane wetting can result in layer swelling. This allows molecules that would be excluded based on pore size to flow around the layers of the COF, resulting in reduced separation. Cross-linking between these layers inhibits swelling to improve the selectivity of these membranes. In this work, computational models were generated for a quinoxaline-based COF cross-linked with oxalyl chloride (OC) and hexafluoroglutaryl chloride (HFG). Enthalpy of formation and cohesive energy calculations from these models show that formation of these COFs is thermodynamically favorable and the resulting materials are stable. The cross-linked COF with HFG was synthesized and characterized with Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), thermogravimetric analysis with differential scanning calorimetry (TGA-DSC), and water contact angles. Additionally, these frameworks were fabricated into membranes for permeance testing. The experimental data supports the presence of cross-linking and demonstrates that varying the amount of HFG used in the reaction does not change the amount of cross-linking present. Computational models indicate that varying the cross-linking concentration has a negligible effect on stability and less cross-linking still results in stable materials. This work sheds light on the nature of the cross-linking in these 2D-COFs and their application in membrane technologies.
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Affiliation(s)
- Alathea E Davies
- Department of Chemistry, University of Wyoming, Laramie, WY 82071, USA.
| | - Michael J Wenzel
- Department of Chemistry, University of Wyoming, Laramie, WY 82071, USA.
| | - Cailin L Brugger
- Department of Chemistry, University of Wyoming, Laramie, WY 82071, USA.
| | - Jordan Johnson
- Department of Chemistry, University of Wyoming, Laramie, WY 82071, USA.
| | - Bruce A Parkinson
- School of Energy Resources, University of Wyoming, Laramie, WY 82071, USA
| | - John O Hoberg
- Department of Chemistry, University of Wyoming, Laramie, WY 82071, USA.
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48
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Wang F, Chen Y, Gong T, Gong J. From 3D to 2D: Directional Morphological Evolution of a Three-Dimensional Covalent Organic Framework. ACS Macro Lett 2023; 12:1576-1582. [PMID: 37934863 DOI: 10.1021/acsmacrolett.3c00424] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
The morphology of materials has a huge impact on their properties and functions; however, the precise control and direct evolution toward specific morphologies remains challenging. Herein, we outline a novel strategy for the morphology modulation of covalent organic frameworks based on COF-300 with the diamond structure, which usually exhibits a three-dimensional shuttle morphology. A monofunctional structural regulator has been designed to break the continuity of the three-dimensional structure. As the proportion of the monofunctional structural regulator increases, the morphology of COF-300 shows a directional evolution from a shuttle morphology to a two-dimensional nanosheet, while still retaining the consistency of the crystal structure. Our study reports the first two-dimensional nanosheet based on a three-dimensional structured COF to date and will inspire future research into the traced morphological evolution in materials by predesign.
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Affiliation(s)
- Fan Wang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Weijin Road 92, Tianjin 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering, Weijin Road 92, Tianjin 300072, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
| | - Yifu Chen
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Weijin Road 92, Tianjin 300072, China
- Beijing National Laboratory for Molecular Science, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Yiheyuan Road 5, Beijing 100871, China
- Collaborative Innovation Center of Chemical Science and Engineering, Weijin Road 92, Tianjin 300072, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
| | - Tingting Gong
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Weijin Road 92, Tianjin 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering, Weijin Road 92, Tianjin 300072, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
| | - Junbo Gong
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Weijin Road 92, Tianjin 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering, Weijin Road 92, Tianjin 300072, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
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49
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Smith KT, Stylianou KC. Multivariate metal-organic frameworks generated through post-synthetic modification: impact and future directions. Dalton Trans 2023; 52:16578-16585. [PMID: 37855087 DOI: 10.1039/d3dt01936e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
Reticular chemistry has proven to be invaluable over time, thanks to the structural versatility, and tailored porosity observed in structures like metal-organic frameworks (MOFs), covalent-organic frameworks (COFs), and metal-organic polyhedra (MOPs). Despite the wide array of ligands and metals available for synthesizing MOFs, they are still somewhat constrained by the reliance on de novo conditions and the focus on generating MOFs with single ligand and metal. To surpass these limitations, researchers have established strategies to generate multivariate (MTV) MOF structures incorporating more than one ligand/metal into the crystal lattice. MTV-MOFs have demonstrated enhanced properties by virtue of the additional functionalities incorporated within their structures. One approach to developing MTV-MOFs is through post-synthetic modification (PSM), where new functionalities are introduced after the initial synthesis, thereby achieving the enhanced properties of MTV-MOFs even in cases where the new functionalities are incompatible with MOF synthesis.
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Affiliation(s)
- Kyle T Smith
- Materials Discovery Laboratory (MaD Lab), Department of Chemistry, Oregon State University, 153 Gilbert Hall, OR 97331, Corvallis, Oregon, USA.
| | - Kyriakos C Stylianou
- Materials Discovery Laboratory (MaD Lab), Department of Chemistry, Oregon State University, 153 Gilbert Hall, OR 97331, Corvallis, Oregon, USA.
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50
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Zhao J, Shen X, Liu YF, Zou RY. (3,3)-Connected Triazine-Based Covalent Organic Frameworks for Efficient CO 2 Separation over N 2 and Dye Adsorption. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:16367-16373. [PMID: 37939229 DOI: 10.1021/acs.langmuir.3c02095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
Covalent organic frameworks (COFs) are a promising class of adsorption and separation materials that can meet the needs of ecological sustainability, such as the removal of carbon dioxide and organic dyes. The two synthesized (3,3)-connected triazine-based COFs demonstrate high specific surface area and good thermal and chemical stability. COFZ1 shows good CO2 adsorption selectivities for different CO2 and N2 volume percentage systems at 273 K and 1 bar, with an ideal adsorbed solution theory (IAST) CO2 selectivity (i.e., separation factor) of 35.09 for the simulated flue gas component and a CO2 adsorption capacity of 24.21 cm3 g-1. In the aqueous dye solutions, both COFs present good adsorption performance for the selected dyes, and the maximum adsorption capacities of COFZ1 for methylene blue (MB) and gentian violet (GV) reach 510 and 564 mg g-1, respectively. Each of the two COFs shows a high anti-interference performance and excellent recyclability. The adsorption capacities of two COFs for RhB (Rhodamine B), MB, and GV hardly vary with pH values and salt concentrations. The adsorption behaviors of the two COFs for dyes follow Langmuir isothermal adsorption and quasi-secondary kinetic adsorption, approaching monolayer adsorption and chemisorption.
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Affiliation(s)
- Jie Zhao
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Xinyu Shen
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Yi-Fan Liu
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Ru-Yi Zou
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
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