1
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Xu Z, Ye Y, Liu Y, Liu H, Jiang S. Design and assembly of porous organic cages. Chem Commun (Camb) 2024; 60:2261-2282. [PMID: 38318641 DOI: 10.1039/d3cc05091b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Porous organic cages (POCs) represent a notable category of porous materials, showing remarkable material properties due to their inherent porosity. Unlike extended frameworks which are constructed by strong covalent or coordination bonds, POCs are composed of discrete molecular units held together by weak intermolecular forces. Their structure and chemical traits can be systematically tailored, making them suitable for a range of applications including gas storage and separation, molecular separation and recognition, catalysis, and proton and ion conduction. This review provides a comprehensive overview of POCs, covering their synthesis methods, structure and properties, computational approaches, and applications, serving as a primer for those who are new to the domain. A special emphasis is placed on the growing role of computational methods, highlighting how advanced data-driven techniques and automation are increasingly aiding the rapid exploration and understanding of POCs. We conclude by addressing the prevailing challenges and future prospects in the field.
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Affiliation(s)
- Zezhao Xu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.
| | - Yangzhi Ye
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.
| | - Yilan Liu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.
| | - Huiyu Liu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.
| | - Shan Jiang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.
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2
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Sheng L, Wang Y, Mou X, Xu B, Chen Z. Accelerating Metal-Organic Framework Selection for Type III Porous Liquids by Synergizing Machine Learning and Molecular Simulation. ACS APPLIED MATERIALS & INTERFACES 2023; 15:56253-56264. [PMID: 37988477 DOI: 10.1021/acsami.3c12507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
MOF-based type III porous liquids, comprising porous MOFs dissolved in a liquid solvent, have attracted increasing attention in carbon capture. However, discovering appropriate MOFs to prepare porous liquids was still limited in experiments, wasting time and energy. In this study, we have used the density functional theory and molecular dynamics simulation methods to identify 4530 MOF candidates as the core database based on the idea of prohibiting the pore occupancy of porous liquids by the solvent, [DBU-PEG][NTf2] ionic liquid. Based on high-throughput molecular simulation, random forest machine learning models were first trained to predict the CO2 sorption and the CO2/N2 sorption selectivity of MOFs to screen the MOFs to prepare porous liquids. The feature importance was inferred based on Shapley Additive Explanations (SHAP) interpretation, and the ranking of the top 5 descriptors for sorption/selectivity trade-off (TSN) was gravimetric surface area (GSA) > porosity > density > metal fraction > pore size distribution (PSD, 3.5-4 Å). RICBEM was predicted to be one candidate for preparing porous liquid with CO2 sorption capacity of 20.87 mmol/g and CO2/N2 sorption selectivity of 16.75. The experimental results showed that the RICBEM-based porous liquid was successfully synthesized with CO2 sorption capacity of 2.21 mmol/g and CO2/N2 sorption selectivity of 63.2, the best carbon capture performance known to date. Such a screening method would advance the screening of cores and solvents for preparing type III porous liquids with different applications by addressing corresponding factors.
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Affiliation(s)
- Lisha Sheng
- School of Energy and Environment, Southeast University, Nanjing 210000, P. R. China
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Nanjing 210000, P. R. China
- Key Laboratory of Inlet and Exhaust System Technology, Ministry of Education, Nanjing 210000, P. R. China
| | - Yi Wang
- School of Energy and Environment, Southeast University, Nanjing 210000, P. R. China
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Nanjing 210000, P. R. China
| | - Xinzhu Mou
- College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing 210000, P. R. China
| | - Bo Xu
- School of Energy and Environment, Southeast University, Nanjing 210000, P. R. China
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Nanjing 210000, P. R. China
| | - Zhenqian Chen
- School of Energy and Environment, Southeast University, Nanjing 210000, P. R. China
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Nanjing 210000, P. R. China
- Jiangsu Province Key Laboratory of Solar Energy Science and Technology, Nanjing 210000, P. R. China
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3
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Hu J, Liu Z, Tang S, Yao M, Zhang D, Cui M, Yang D, Tang J, Qiao X, Zhang Z. One-step synthesis of a ZIF-8/90-based type I porous liquid. Dalton Trans 2023; 52:17213-17218. [PMID: 37946556 DOI: 10.1039/d3dt02423g] [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
A Type I porous liquid based on the mixed-linker zeolitic imidazolate framework, ZIF-8/90-PL, has been prepared by a one-step imine condensation reaction and characterized by X-ray diffraction, FT-IR spectroscopy, TGA and rheology analysis. This facile preparation strategy of a porous liquid has enormous industrial production and application potential, with over one kilogram of ZIF-8/90-PL being successfully prepared. ZIF-8/90-PL can be directly used as a liquid absorbent or be co-processed with alumina hollow fibers to form a composite membrane with improved selectivity in the context of CO2 separation from CH4 or N2. This simple synthesis method is expected to be extended to other metal-organic frameworks.
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Affiliation(s)
- Jingqiu Hu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No. 30 Puzhunan Road, Nanjing 211816, China
| | - Zhaofang Liu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No. 30 Puzhunan Road, Nanjing 211816, China
| | - Shuangyin Tang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No. 30 Puzhunan Road, Nanjing 211816, China
| | - Meng Yao
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No. 30 Puzhunan Road, Nanjing 211816, China
| | - Dezhen Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No. 30 Puzhunan Road, Nanjing 211816, China
| | - Mifen Cui
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No. 30 Puzhunan Road, Nanjing 211816, China
| | - Dong Yang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No. 30 Puzhunan Road, Nanjing 211816, China
| | - Jihai Tang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No. 30 Puzhunan Road, Nanjing 211816, China
- Jiangsu National Synergetic Innovation Centre for Advanced Materials (SICAM), No. 5 Xinmofan Road, Nanjing 210009, China.
| | - Xu Qiao
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No. 30 Puzhunan Road, Nanjing 211816, China
- Jiangsu National Synergetic Innovation Centre for Advanced Materials (SICAM), No. 5 Xinmofan Road, Nanjing 210009, China.
| | - Zhuxiu Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No. 30 Puzhunan Road, Nanjing 211816, China
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4
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Maurya A, Marvaniya K, Dobariya P, Mane MV, Tothadi S, Patel K, Kushwaha S. Biomimetic Helical Hydrogen Bonded Organic Framework Membranes for Efficient Uranium Recovery from Seawater. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2306824. [PMID: 37975153 DOI: 10.1002/smll.202306824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/13/2023] [Indexed: 11/19/2023]
Abstract
Inspired by the uranyl-imidazole interactions via nitrogen's (N's) of histidine residues in single helical protein assemblies with open framework geometry that allows through migration/coordination of metal ions. Here, preliminary components of a stable hydrogen-bonded organic framework (HOF) are designed to mimic the stable single helical open framework with imidazole residues available for Uranium (U) binding. The imidazolate-HOF (CSMCRI HOF2-S) is synthesized with solvent-directed H-bonding in 1D array and tuned hydrophobic CH-π interactions leading to single helix pattern having enhanced hydrolytic stability. De-solvation led CSMCRI HOF2-P with porous helical 1D channels are transformed in a freestanding thin film that showcased improved mass transfer and adsorption of uranyl carbonate. CSMCRI HOF2-P thin film can effectively extract ≈14.8 mg g-1 in 4 weeks period from natural seawater, with > 1.7 U/V (Uranium to Vanadium ratio) selectivity. This strategy can be extended for rational designing of hydrolytically stable, U selective HOFs to realize the massive potential of the blue economy toward sustainable energy.
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Affiliation(s)
- Ashish Maurya
- CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar, 364002, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Karan Marvaniya
- CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar, 364002, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Priyanka Dobariya
- CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar, 364002, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Manoj V Mane
- Centre for Nano and Material Sciences, Jain Global Campus, Jain University, Kanakapura, Ramanagaram, Bangalore, 562112, India
| | - Srinu Tothadi
- CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar, 364002, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Ketan Patel
- CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar, 364002, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Shilpi Kushwaha
- CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar, 364002, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
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5
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Zhang G, Lin W, Huang F, Sessler J, Khashab NM. Industrial Separation Challenges: How Does Supramolecular Chemistry Help? J Am Chem Soc 2023; 145:19143-19163. [PMID: 37624708 DOI: 10.1021/jacs.3c06175] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/27/2023]
Abstract
The chemical industry and the chemical processes underscoring it are under intense scrutiny as the demands for the transition to more sustainable and environmentally friendly practices are increasing. Traditional industrial separation systems, such as thermally driven distillation for hydrocarbon purification, are energy intensive. The development of more energy efficient separation technologies is thus emerging as a critical need, as is the creation of new materials that may permit a transition away from classic distillation-based separations. In this Perspective, we focus on porous organic cages and macrocycles that can adsorb guest molecules selectively through various host-guest interactions and permit molecular sieving behavior at the molecular level. Specifically, we summarize the recent advances where receptor-based adsorbent materials have been shown to be effective for industrially relevant hydrocarbon separations, highlighting the underlying host-guest interactions that impart selectivity and permit the observed separations. This approach to sustainable separations is currently in its infancy. Nevertheless, several receptor-based adsorbent materials with extrinsic/intrinsic voids or special functional groups have been reported in recent years that can selectively capture various targeted guest molecules. We believe that the understanding of the interactions that drive selectivity at a molecular level accruing from these initial systems will permit an ever-more-effective "bottom-up" design of tailored molecular sieves that, in due course, will allow adsorbent material-based approaches to separations to transition from the laboratory into an industrial setting.
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Affiliation(s)
- Gengwu Zhang
- Smart Hybrid Materials Laboratory (SHMs), Chemistry Program, Advanced Membranes and Porous Materials Center, Physical Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Weibin Lin
- Smart Hybrid Materials Laboratory (SHMs), Chemistry Program, Advanced Membranes and Porous Materials Center, Physical Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Feihe Huang
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311215, P. R. China
| | - Jonathan Sessler
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Niveen M Khashab
- Smart Hybrid Materials Laboratory (SHMs), Chemistry Program, Advanced Membranes and Porous Materials Center, Physical Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
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6
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Borne I, Saigal K, Jones CW, Lively RP. Thermodynamic Evidence for Type II Porous Liquids. Ind Eng Chem Res 2023; 62:11689-11696. [PMID: 37520782 PMCID: PMC10375470 DOI: 10.1021/acs.iecr.3c01201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 06/16/2023] [Accepted: 06/27/2023] [Indexed: 08/01/2023]
Abstract
Porous liquids are an emerging class of microporous materials where intrinsic, stable porosity is imbued in a liquid material. Many porous liquids are prepared by dispersing porous solids in bulky solvents; these can be contrasted by the method of dissolving microporous molecules. We highlight the latter "Type II" porous liquids-which are stable thermodynamic solutions with demonstrable colligative properties. This feature significantly impacts the ultimate utility of the liquid for various end-use applications. We also describe a facile method for determining if a Type II porous liquid candidate is "porous" based on assessing the partial molar volume of the porous host molecule dissolved in the solvent by measuring the densities of candidate solutions. Conventional CO2 isotherms confirm the porosity of the porous liquids and corroborate the facile density method.
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7
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Abstract
Porous organic cages (POCs) are a relatively new class of low-density crystalline materials that have emerged as a versatile platform for investigating molecular recognition, gas storage and separation, and proton conduction, with potential applications in the fields of porous liquids, highly permeable membranes, heterogeneous catalysis, and microreactors. In common with highly extended porous structures, such as metal-organic frameworks (MOFs), covalent organic frameworks (COFs), and porous organic polymers (POPs), POCs possess all of the advantages of highly specific surface areas, porosities, open pore channels, and tunable structures. In addition, they have discrete molecular structures and exhibit good to excellent solubilities in common solvents, enabling their solution dispersibility and processability─properties that are not readily available in the case of the well-established, insoluble, extended porous frameworks. Here, we present a critical review summarizing in detail recent progress and breakthroughs─especially during the past five years─of all the POCs while taking a close look at their strategic design, precise synthesis, including both irreversible bond-forming chemistry and dynamic covalent chemistry, advanced characterization, and diverse applications. We highlight representative POC examples in an attempt to gain some understanding of their structure-function relationships. We also discuss future challenges and opportunities in the design, synthesis, characterization, and application of POCs. We anticipate that this review will be useful to researchers working in this field when it comes to designing and developing new POCs with desired functions.
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Affiliation(s)
- Xinchun Yang
- Faculty of Materials Science and Energy Engineering/Institute of Technology for Carbon Neutrality, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen 518055, China
- Shenzhen Key Laboratory of Energy Materials for Carbon Neutrality, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen 518055, China
| | - Zakir Ullah
- Convergence Research Center for Insect Vectors, Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon 22012, South Korea
| | - J Fraser Stoddart
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- School of Chemistry, University of New South Wales, Sydney, New South Wales 2052, Australia
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, China
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311215, China
| | - Cafer T Yavuz
- Oxide & Organic Nanomaterials for Energy & Environment Laboratory, Physical Science & Engineering (PSE), King Abdullah University of Science and Technology (KAUST), 4700 KAUST, Thuwal 23955, Saudi Arabia
- Advanced Membranes & Porous Materials Center, PSE, KAUST, 4700 KAUST, Thuwal 23955, Saudi Arabia
- KAUST Catalysis Center, PSE, KAUST, 4700 KAUST, Thuwal 23955, Saudi Arabia
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8
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Halliwell C, Soria JF, Fernandez A. Beyond Microporosity in Porous Organic Molecular Materials (POMMs). Angew Chem Int Ed Engl 2023; 62:e202217729. [PMID: 36637113 DOI: 10.1002/anie.202217729] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 01/14/2023]
Abstract
Porous organic molecular materials (POMMs) are a novel class of porous materials that cover a wide range of organic-based molecular building blocks connected through weak supramolecular interactions, such as hydrogen bonds, π-π stacking, van der Waals and electrostatic interactions. Despite of their diverse chemical and structural nature, common features to POMMs include solution processability, crystallinity and microporosity. Herein, we focus, for the first time, on the advance of the field of POMMs beyond the archetypical microporosity. In particular, we highlight relevant examples of meso- and macroporous POMMs, as well as hierchachical ones (micro-/meso-, micro-/macro- and meso-/macroporous). We also remark some of their unique properties, and how they can be key in many applications.
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Affiliation(s)
- Chris Halliwell
- Chemistry Department, School of Science, Loughborough University, Loughborough, LE11 3TU, UK
| | - Jesus Ferrando Soria
- Departament de Química Inorgànica, Instituto de Ciencia Molecular (ICMol), Universitat de València, 46980, Paterna, València, Spain
| | - Antonio Fernandez
- Chemistry Department, School of Science, Loughborough University, Loughborough, LE11 3TU, UK
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9
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Ruan X, Zhang C, Zhu Y, Cai F, Yang Y, Feng J, Ma X, Zheng Y, Li H, Yuan Y, Zhu G. Constructing Mechanical Shuttles in a Three-dimensional (3D) Porous Architecture for Selective Transport of Lithium Ions. Angew Chem Int Ed Engl 2023; 62:e202216549. [PMID: 36482169 DOI: 10.1002/anie.202216549] [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: 11/09/2022] [Revised: 12/05/2022] [Accepted: 12/08/2022] [Indexed: 12/13/2022]
Abstract
Lithium (Li) extraction from brines is a major barrier to the sustainable development of batteries and alloys; however, current separation technology suffers from a trade-off between ion selectivity and permeability. Herein, a crown ether mechanically interlocked 3D porous organic framework (Crown-POF) was prepared as the porous filler of thin-film nanocomposite membranes. Crown-POF with penta-coordinated (four Ocrown atoms and one Ntert-amine atom) adsorption sites enables a special recognition for Li+ ion. Moreover, the four Ntert-amine atoms on each POF branch facilitate the flipping motion of Li+ ion along the skeletal thread, while retaining the specified binding pattern. Accordingly, the crown ether interlocked POF network displays an ultrafast ion transfer rate, over 10 times that of the conventional porous materials. Notably, the nanocomposite membrane gives high speed and selectivity for Li+ ion transport as compared with other porous solid-based mixed-matrix membranes.
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Affiliation(s)
- Xianghui Ruan
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Cheng Zhang
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Yuzhang Zhu
- Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China
| | - Fuli Cai
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Yajie Yang
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Jiahui Feng
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Xujiao Ma
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Yue Zheng
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Huanhuan Li
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Ye Yuan
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
| | - Guangshan Zhu
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Northeast Normal University, Renmin Avenue, Changchun, 130024, China
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10
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An L, De La Torre P, Smith PT, Narouz MR, Chang CJ. Synergistic Porosity and Charge Effects in a Supramolecular Porphyrin Cage Promote Efficient Photocatalytic CO 2 Reduction. Angew Chem Int Ed Engl 2023; 62:e202209396. [PMID: 36538739 PMCID: PMC9868116 DOI: 10.1002/anie.202209396] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Indexed: 12/24/2022]
Abstract
We present a supramolecular approach to catalyzing photochemical CO2 reduction through second-sphere porosity and charge effects. An iron porphyrin box (PB) bearing 24 cationic groups, FePB-2(P), was made via post-synthetic modification of an alkyne-functionalized supramolecular synthon. FePB-2(P) promotes the photochemical CO2 reduction reaction (CO2 RR) with 97 % selectivity for CO product, achieving turnover numbers (TON) exceeding 7000 and initial turnover frequencies (TOFmax ) reaching 1400 min-1 . The cooperativity between porosity and charge results in a 41-fold increase in activity relative to the parent Fe tetraphenylporphyrin (FeTPP) catalyst, which is far greater than analogs that augment catalysis through porosity (FePB-3(N), 4-fold increase) or charge (Fe p-tetramethylanilinium porphyrin (Fe-p-TMA), 6-fold increase) alone. This work establishes that synergistic pendants in the secondary coordination sphere can be leveraged as a design element to augment catalysis at primary active sites within confined spaces.
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Affiliation(s)
- Lun An
- Department of Chemistry, University of California, Berkeley, 94720-1460, Berkeley, CA, USA
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, 94720-1460, Berkeley, CA, USA
| | - Patricia De La Torre
- Department of Chemistry, University of California, Berkeley, 94720-1460, Berkeley, CA, USA
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, 94720-1460, Berkeley, CA, USA
| | - Peter T Smith
- Department of Chemistry, University of California, Berkeley, 94720-1460, Berkeley, CA, USA
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, 94720-1460, Berkeley, CA, USA
| | - Mina R Narouz
- Department of Chemistry, University of California, Berkeley, 94720-1460, Berkeley, CA, USA
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, 94720-1460, Berkeley, CA, USA
| | - Christopher J Chang
- Department of Chemistry, University of California, Berkeley, 94720-1460, Berkeley, CA, USA
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, 94720-1460, Berkeley, CA, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, 94720-1460, Berkeley, CA, USA
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11
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Sun YL, Wang Z, Ma H, Zhang QP, Yang BB, Meng X, Zhang Y, Zhang C. Chiral emissive porous organic cages. Chem Commun (Camb) 2023; 59:302-305. [PMID: 36507910 DOI: 10.1039/d2cc05283k] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A pair of chiral, emissive and porous tubular multi-functional organic molecular cages were synthesized easily by imine chemistry of 4,4',4'',4'''-(ethene-1,1,2,2-tetrayl)-tetrabenzaldehyde (ETTBA) with (R,R)- or (S,S)-diaminocyclohexane (CHDA). It was found that the chirality of CHDA was transferred and amplified to tetraphenylethylene (TPE) in the process of formation of cages, which further endowed the cages with circularly polarized luminescence (CPL) characteristics. As a result of the synergy of the chirality and porous structure in the solid state, both cages exhibited a good chiral adsorption enantioselectivity to a series of aromatic racemates.
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Affiliation(s)
- Yu-Ling Sun
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Zhen Wang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, China. .,Technology Institute, National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, Wuhan Textile University, Wuhan, Hubei, 430200, China
| | - Hui Ma
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Qing-Pu Zhang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Bin-Bin Yang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Xianggao Meng
- College of Chemistry, Central China Normal University, Wuhan, 430079, China.
| | - Yaohua Zhang
- Technology R&D Center, Hubei Tobacco (Group) Co., Ltd, Wuhan, 430070, China.
| | - Chun Zhang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, China.
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12
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An L, De La Torre P, Smith PT, Narouz MR, Chang CJ. Synergistic Porosity and Charge Effects in a Supramolecular Porphyrin Cage Promote Efficient Photocatalytic CO
2
Reduction**. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Lun An
- Department of Chemistry University of California, Berkeley 94720-1460 Berkeley, CA USA
- Chemical Sciences Division Lawrence Berkeley National Laboratory 94720-1460 Berkeley, CA USA
| | - Patricia De La Torre
- Department of Chemistry University of California, Berkeley 94720-1460 Berkeley, CA USA
- Chemical Sciences Division Lawrence Berkeley National Laboratory 94720-1460 Berkeley, CA USA
| | - Peter T. Smith
- Department of Chemistry University of California, Berkeley 94720-1460 Berkeley, CA USA
- Chemical Sciences Division Lawrence Berkeley National Laboratory 94720-1460 Berkeley, CA USA
| | - Mina R. Narouz
- Department of Chemistry University of California, Berkeley 94720-1460 Berkeley, CA USA
- Chemical Sciences Division Lawrence Berkeley National Laboratory 94720-1460 Berkeley, CA USA
| | - Christopher J. Chang
- Department of Chemistry University of California, Berkeley 94720-1460 Berkeley, CA USA
- Chemical Sciences Division Lawrence Berkeley National Laboratory 94720-1460 Berkeley, CA USA
- Department of Molecular and Cell Biology University of California, Berkeley 94720-1460 Berkeley, CA USA
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13
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Wang L, Han S, Yu H, Yu Q, Pei D, Lv W, Wang J, Li X, Ding R, Wang Q, Lv M. Porous Organic Cage-Embedded C10-Modified Silica as HPLC Stationary Phase and Its Multiple Separation Functions. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27248895. [PMID: 36558026 PMCID: PMC9782137 DOI: 10.3390/molecules27248895] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/06/2022] [Accepted: 12/09/2022] [Indexed: 12/23/2022]
Abstract
Reduced imine cage (RCC3) was covalently bonded to the surface of silica spheres, and then the secondary amine group of the molecular cage was embedded in non-polar C10 for modification to prepare a novel RCC3-C10@silica HPLC stationary phase with multiple separation functions. Through infrared spectroscopy, thermogravimetric analysis and nitrogen adsorption-desorption characterization, it was confirmed that RCC3-C10 was successfully bonded to the surface of silica spheres. The resolution of RCC3-C10@silica in reversed-phase separation mode is as high as 2.95, 3.73, 3.27 and 4.09 for p-phenethyl alcohol, 1-phenyl-2-propanol, p-methylphenethyl alcohol and 1-phenyl-1-propanol, indicating that the stationary phase has excellent chiral resolution performance. In reversed-phase and hydrophilic separation modes, RCC3-C10@silica realized the separation and analysis of a total of 70 compounds in 8 classes of Tanaka mixtures, alkylbenzene rings, polyphenyl rings, phenols, anilines, sulfonamides, nucleosides and flavonoids, and the analysis of a variety of chiral and achiral complex mixtures have been completed at the same time. Compared with the traditional C18 commercial column, RCC3-C10@silica exhibits better chromatographic separation selectivity, aromatic selectivity and polar selectivity. The multifunctional separation mechanism exhibited by the stationary phase originates from various synergistic effects such as hydrophobic interaction, π-π interaction, hydrogen bonding and steric interaction provided by RCC3 and C10 groups. This work provides flexible selectivity and application prospects for novel multi-separation functional chromatographic columns.
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Affiliation(s)
- Litao Wang
- School of Pharmacy, Jining Medical University, Jining 272000, China
| | - Siqi Han
- School of Pharmacy, Jining Medical University, Jining 272000, China
| | - Haiyang Yu
- School of Pharmacy, Jining Medical University, Jining 272000, China
| | - Qinghua Yu
- School of Pharmacy, Jining Medical University, Jining 272000, China
- School of Pharmacy, Weifang Medical University, Weifang 261000, China
| | - Dong Pei
- Qingdao Center of Resource Chemistry & New Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Qingdao 266000, China
| | - Wenjing Lv
- School of Pharmacy, Jining Medical University, Jining 272000, China
| | - Jiasheng Wang
- School of Pharmacy, Jining Medical University, Jining 272000, China
| | - Xingyu Li
- School of Pharmacy, Jining Medical University, Jining 272000, China
| | - Ruifang Ding
- School of Pharmacy, Jining Medical University, Jining 272000, China
- Correspondence: (R.D.); (Q.W.); (M.L.)
| | - Qibao Wang
- School of Pharmacy, Jining Medical University, Jining 272000, China
- Correspondence: (R.D.); (Q.W.); (M.L.)
| | - Mei Lv
- School of Pharmacy, Jining Medical University, Jining 272000, China
- Correspondence: (R.D.); (Q.W.); (M.L.)
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14
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Sun YL, Wang Z, Ren C, Zhang J, Zhang H, Zhang C, Tang BZ. Highly Emissive Organic Cage in Single-Molecule and Aggregate States by Anchoring Multiple Aggregation-Caused Quenching Dyes. ACS APPLIED MATERIALS & INTERFACES 2022; 14:53567-53574. [PMID: 36413752 DOI: 10.1021/acsami.2c17640] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
It remains a great challenge to design and synthesize organic luminescent molecules with strong emission in both dilute solution and aggregate state. Herein, an organic cage with dodecadansyl groups (D-RCC1) from an easy sulfonation reaction displays strong emissive behavior in dilute organic solution with a quantum yield of 42%. Moreover, D-RCC1 exhibits an ultrahigh quantum yield of 92% in the solid state, which is more than 3 times that of 27% for the model compound D-DEA. The results of the experiment and theoretical calculation show that the three-dimensional symmetrical skeleton of the organic cage anchored evenly by multiple dye molecules effectively satisfies both high local density and a symmetrical distribution of chromophores, which prevents the interaction of dye molecules and ensures that dye molecules have strong emission in both single-molecule and aggregate states.
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Affiliation(s)
- Yu-Ling Sun
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People's Republic of China
| | - Zhen Wang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People's Republic of China
| | - Chang Ren
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People's Republic of China
| | - Jianyu Zhang
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 999077 Hong Kong Special Administrative Region of the People's Republic of China
| | - Haoke Zhang
- Ministry of Education (MOE) Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, People's Republic of China
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, Zhejiang 311215, People's Republic of China
| | - Chun Zhang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People's Republic of China
| | - Ben Zhong Tang
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 999077 Hong Kong Special Administrative Region of the People's Republic of China
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, People's Republic of China
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15
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Finding the optimal CO2 adsorption material: Prediction of multi-properties of metal-organic frameworks (MOFs) based on DeepFM. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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16
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Wolpert EH, Jelfs KE. Coarse-grained modelling to predict the packing of porous organic cages. Chem Sci 2022; 13:13588-13599. [PMID: 36507173 PMCID: PMC9683088 DOI: 10.1039/d2sc04511g] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 10/11/2022] [Indexed: 12/15/2022] Open
Abstract
How molecules pack has vital ramifications for their applications as functional molecular materials. Small changes in a molecule's functionality can lead to large, non-intuitive, changes in their global solid-state packing, resulting in difficulty in targeted design. Predicting the crystal structure of organic molecules from only their molecular structure is a well-known problem plaguing crystal engineering. Although relevant to the properties of many organic molecules, the packing behaviour of modular porous materials, such as porous organic cages (POCs), greatly impacts the properties of the material. We present a novel way of predicting the solid-state phase behaviour of POCs by using a simplistic model containing the dominant degrees of freedom driving crystalline phase formation. We employ coarse-grained simulations to systematically study how chemical functionality of pseudo-octahedral cages can be used to manipulate the solid-state phase formation of POCs. Our results support those of experimentally reported structures, showing that for cages which pack via their windows forming a porous network, only one phase is formed, whereas when cages pack via their windows and arenes, the phase behaviour is more complex. While presenting a lower computational cost route for predicting molecular crystal packing, coarse-grained models also allow for the development of design rules which we start to formulate through our results.
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Affiliation(s)
- Emma H. Wolpert
- Department of Chemistry, Imperial College London, Molecular Sciences Research HubWhite City Campus, Wood LaneLondonW12 0BZUK+44 (0)20759 43438
| | - Kim E. Jelfs
- Department of Chemistry, Imperial College London, Molecular Sciences Research HubWhite City Campus, Wood LaneLondonW12 0BZUK+44 (0)20759 43438
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17
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Halliwell CA, Dann SE, Ferrando‐Soria J, Plasser F, Yendall K, Ramos‐Fernandez EV, Vladisavljević GT, Elsegood MRJ, Fernandez A. Hierarchical Assembly of a Micro- and Macroporous Hydrogen-Bonded Organic Framework with Tailored Single-Crystal Size. Angew Chem Int Ed Engl 2022; 61:e202208677. [PMID: 36161683 PMCID: PMC9827975 DOI: 10.1002/anie.202208677] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Indexed: 01/12/2023]
Abstract
Porous organic molecular materials represent an emergent field of research in Chemistry and Materials Science due to their unique combination of properties. To enhance their performance and expand the number of applications, the incorporation of hierarchical porosity is required, as exclusive microporosity entails several limitations. However, the integration of macropores in porous organic molecular materials is still an outstanding challenge. Herein, we report the first example of a hydrogen-bonded organic framework (MM-TPY) with hierarchical skeletal morphology, containing stable micro- and macroporosity. The crystal size, from micro to centimetre scale, can be controlled in a single step without using additives or templates. The mechanism of assembly during the crystal formation is compatible with a skeletal crystal growth. As proof of concept, we employed the hierarchical porosity as a platform for the dual, sequential and selective co-recognition of molecular species and microparticles.
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Affiliation(s)
| | - Sandra E. Dann
- Chemistry DepartmentSchool of ScienceLoughborough UniversityLoughboroughLE11 3TUUK
| | | | - Felix Plasser
- Chemistry DepartmentSchool of ScienceLoughborough UniversityLoughboroughLE11 3TUUK
| | - Keith Yendall
- School of AeronauticalAutomotiveChemical and Materials EngineeringAACME)Loughborough UniversityLoughboroughLE11 3TUUK
| | - Enrique V. Ramos‐Fernandez
- Laboratorio de Materiales AvanzadosDepartamento de Química Inorgánica-Instituto Universitario de Materiales de AlicanteUniversity of AlicanteAlicanteE-03080Spain
| | - Goran T. Vladisavljević
- School of AeronauticalAutomotiveChemical and Materials EngineeringAACME)Loughborough UniversityLoughboroughLE11 3TUUK
| | - Mark R. J. Elsegood
- Chemistry DepartmentSchool of ScienceLoughborough UniversityLoughboroughLE11 3TUUK
| | - Antonio Fernandez
- Chemistry DepartmentSchool of ScienceLoughborough UniversityLoughboroughLE11 3TUUK
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18
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Inclusion of organic molecule guests by sulfinyl bridged bis-salicyclic acid-type open-chain host with flexible change of crystal structure. J INCL PHENOM MACRO 2022. [DOI: 10.1007/s10847-022-01166-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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19
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Borne I, Simon N, Jones CW, Lively RP. Design of Gas Separation Processes Using Type II Porous Liquids as Physical Solvents. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Isaiah Borne
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Natalie Simon
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Christopher W. Jones
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Ryan P. Lively
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
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20
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Kaushik A, Marvaniya K, Kulkarni Y, Bhatt D, Bhatt J, Mane M, Suresh E, Tothadi S, Patel K, Kushwaha S. Large-area self-standing thin film of porous hydrogen-bonded organic framework for efficient uranium extraction from seawater. Chem 2022. [DOI: 10.1016/j.chempr.2022.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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21
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Hsu YF, Wu TW, Kang YH, Wu CY, Liu YH, Peng SM, Kong KV, Yang JS. Porous Supramolecular Assembly of Pentiptycene-Containing Gold(I) Complexes: Persistent Excited-State Aurophilicity and Inclusion-Induced Emission Enhancement. Inorg Chem 2022; 61:11981-11991. [PMID: 35838662 DOI: 10.1021/acs.inorgchem.2c01786] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report herein a porous supramolecular framework formed by a linear mononuclear Au(I) complex (1) via the tongue-and-groove-like joinery between the pentiptycene U-cavities (grooves) and the rod-shaped π-conjugated backbone and alkyl chains (tongues) with the assistance of C-H···π and aurophilic interactions. The framework contains distorted tetrahedral Au4 units, which undergo stepwise and persistent photoinduced Au(I)-Au(I) bond shortening (excited-state aurophilicity), leading to multicolored luminescence photochromism. The one-dimensional pore channels could accommodate different solvates and guests, and the guest inclusion-induced luminescence enhancement (up to 300%) and/or vapochromism are characterized. A correlation between the aurophilic bonding and the luminescence activity is uncovered by TDDFT calculations. Isostructural derivatives 2 and 3 corroborate both the robustness of the porous supramolecular assembly and the mechanisms of the stimulation-induced luminescence properties of 1. This work demonstrates the cooperation of aurophilicity and structural porosity and adaptability in achieving novel supramolecular photochemical properties.
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Affiliation(s)
- Ying-Feng Hsu
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
| | - Ting-Wei Wu
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
| | - Yu-Hsuan Kang
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
| | - Cheng-Yun Wu
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
| | - Yi-Hung Liu
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
| | - Shie-Ming Peng
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
| | - Kien Voon Kong
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
| | - Jye-Shane Yang
- Department of Chemistry, National Taiwan University, Taipei 10617 Taiwan
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22
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Badjic JD, Liyana Gunawardana VW, Finnegan TJ, Ward CE, Moore CE. Dissipative Formation of Covalent Basket Cages. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202207418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jovica D Badjic
- Ohio State University Department of Chemistry 100 W. 18th Avenue 43210 Columbus UNITED STATES
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23
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Liyana Gunawardana VW, Finnegan TJ, Ward CE, Moore CE, Badjić JD. Dissipative Formation of Covalent Basket Cages. Angew Chem Int Ed Engl 2022; 61:e202207418. [PMID: 35723284 PMCID: PMC9544755 DOI: 10.1002/anie.202207418] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Indexed: 11/23/2022]
Abstract
Living systems use chemical fuels to transiently assemble functional structures. As a step toward constructing abiotic mimics of such structures, we herein describe dissipative formation of covalent basket cage CBC 5 by reversible imine condensation of cup‐shaped aldehyde 2 (i.e., basket) with trivalent aromatic amine 4. This nanosized [4+4] cage (V=5 nm3, Mw=6150 Da) has shape of a truncated tetrahedron with four baskets at its vertices and four aromatic amines forming the faces. Importantly, tris‐aldehyde basket 2 and aliphatic tris‐amine 7 undergo condensation to give small [1+1] cage 6. The imine metathesis of 6 and aromatic tris‐amine 4 into CBC 5 was optimized to bias the equilibrium favouring 6. Addition of tribromoacetic acid (TBA) as a chemical fuel perturbs this equilibrium to result in the transient formation of CBC 5, with subsequent consumption of TBA via decarboxylation driving the system back to the starting state.
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Affiliation(s)
| | - Tyler J Finnegan
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, OH 43210, USA
| | - Carson E Ward
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, OH 43210, USA
| | - Curtis E Moore
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, OH 43210, USA
| | - Jovica D Badjić
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, OH 43210, USA
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24
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Mahdavi H, Smith SJD, Mulet X, Hill MR. Practical considerations in the design and use of porous liquids. MATERIALS HORIZONS 2022; 9:1577-1601. [PMID: 35373794 DOI: 10.1039/d1mh01616d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
The possibility of creating well-controlled empty space within liquids is conceptually intriguing, and from an application perspective, full of potential. Since the concept of porous liquids (PLs) arose several years ago, research efforts in this field have intensified. This review highlights the design, synthesis, and applicability of PLs through a thorough examination of the current state-of-the-art. Following a detailed examination of the fundamentals of PLs, we examine the different synthetic approaches proposed to date, discuss the nature of PLs, and their pathway from the laboratory to practical application. Finally, possible challenges and opportunities are outlined.
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Affiliation(s)
| | - Stefan J D Smith
- Department of Chemical Engineering, Monash University, Australia.
- CSIRO, Bag 10, Clayton South, VIC 3169, Australia.
| | - Xavier Mulet
- CSIRO, Bag 10, Clayton South, VIC 3169, Australia.
| | - Matthew R Hill
- Department of Chemical Engineering, Monash University, Australia.
- CSIRO, Bag 10, Clayton South, VIC 3169, Australia.
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25
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Wang Z, Liu YQ, Zhao YH, Zhang QP, Sun YL, Yang BB, Bu JH, Zhang C. Highly covalent molecular cage based porous organic polymer: pore size control and pore property enhancement. RSC Adv 2022; 12:16486-16490. [PMID: 35754863 PMCID: PMC9168829 DOI: 10.1039/d2ra02343a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 05/16/2022] [Indexed: 11/21/2022] Open
Abstract
It remains a great challenge to effectively control the pore size in porous organic polymers (POPs) because of the disordered linking modes. Herein, we used organic molecular cages (OMCs), possessing the properties of fixed intrinsic cavities, high numbers of reactive sites and dissolvable processability, as building blocks to construct a molecular cage-based POP (TPP-pOMC) with high valency through covalent cross coupling reaction. In the formed TPP-pOMC, the originating blocking pore channels of TPP-OMC were “turned on” and formed fixed pore channels (5.3 Å) corresponding to the connective intrinsic cavities of cages, and intermolecular pore channels (1.34 and 2.72 nm) between cages. Therefore, TPP-pOMC showed significant enhancement in Brunauer–Emmett–Teller (BET) surface area and CO2 adsorption capacity. By utilizing the cage to framework strategy, the blocking pores of the cage itself were “turned on” to construct a highly covalent molecular cage based porous organic polymer.![]()
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Affiliation(s)
- Zhen Wang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology Wuhan 430074 China
| | - Yan-Qun Liu
- Henan Industry and Trade Vocational College Zhengzhou Henan 451191 China
| | - Yu-Hang Zhao
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology Wuhan 430074 China
| | - Qing-Pu Zhang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology Wuhan 430074 China
| | - Yu-Ling Sun
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology Wuhan 430074 China
| | - Bin-Bin Yang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology Wuhan 430074 China
| | - Jian-Hua Bu
- Xi'an Modern Chemistry Research Institute Xi'an Shanxi 710065 China
| | - Chun Zhang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology Wuhan 430074 China
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26
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Lippi M, Murelli A, Rossi P, Paoli P, Cametti M. Different Topologies of Hg(II)‐Bispidine 1D Coordination Polymers: Dynamic Behavior in Solvent Adsorption and Exchange Processes. Chemistry 2022; 28:e202200420. [PMID: 35274771 PMCID: PMC9311696 DOI: 10.1002/chem.202200420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Indexed: 11/07/2022]
Abstract
One‐dimensional (1D) coordination polymers (CPs) featuring three different topologies, comprising zig‐zag, ribbon‐like and poly‐[n]‐catenane structures, were obtained by reaction of Hg(II) ions with a novel bispidine ligand L3, and structurally characterized by SC‐ and P‐XRD methods. The CPs obtained in the form of microcrystalline powders were tested for their ability to undergo solvent adsorption and exchange by P‐XRD and 1H NMR spectroscopy. The extent of their dynamic behavior was then correlated to their structural features, highlighting the role of interchain interactions established among their constituting linear arrays. Zig‐zag CPs proved to be resilient to external chemical stimuli, while they differently respond to thermal treatments, depending on the solvent originally included within the CP. In the case of polycatenated structures, we observed transformations where the original topology was maintained upon guest exchange, but also cases where it changed to zig‐zag, even under solid/vapor conditions (i. e., no complete dissolution of the CP). Given the presence of linear interconnected 1D channels, 3
⋅
ClBz‐polycatenanePwd is also able to trap volatile guests such as n‐hexane when exposed to its vapors.
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Affiliation(s)
- Martina Lippi
- Department of Chemistry Materials and Chemical Engineering “Giulio Natta” Politecnico di Milano Via Luigi Mancinelli, 7 20133 Milano Italy
| | - Andrea Murelli
- Department of Chemistry Materials and Chemical Engineering “Giulio Natta” Politecnico di Milano Via Luigi Mancinelli, 7 20133 Milano Italy
| | - Patrizia Rossi
- Department of Industrial Engineering Università degli Studi di Firenze Via S. Marta 3 50136 Firenze Italy
| | - Paola Paoli
- Department of Industrial Engineering Università degli Studi di Firenze Via S. Marta 3 50136 Firenze Italy
| | - Massimo Cametti
- Department of Chemistry Materials and Chemical Engineering “Giulio Natta” Politecnico di Milano Via Luigi Mancinelli, 7 20133 Milano Italy
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27
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Type II porous ionic liquid based on metal-organic cages that enables L-tryptophan identification. Nat Commun 2022; 13:2353. [PMID: 35487897 PMCID: PMC9054828 DOI: 10.1038/s41467-022-30092-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 04/12/2022] [Indexed: 11/17/2022] Open
Abstract
Porous liquids with chemical separation properties are quite well-studied in general, but there is only a handful of reports in the context of identification and separation of non-gaseous molecules. Herein, we report a Type II porous ionic liquid composed of coordination cages that exhibits exceptional selectivity towards l-tryptophan (l-Trp) over other aromatic amino acids. A previously known class of anionic organic–inorganic hybrid doughnut-like cage (HD) is dissolved in trihexyltetradecylphosphonium chloride (THTP_Cl). The resulting liquid, HD/THTP_Cl, is thereby composed of common components, facile to prepare, and exhibit room temperature fluidity. The permanent porosity is manifested by the high-pressure isotherm for CH4 and modeling studies. With evidence from time-dependent amino acid uptake, competitive extraction studies and molecular dynamic simulations, HD/THTP_Cl exhibit better selectivity towards l-Trp than other solid state sorbents, and we attribute it to not only the intrinsic porosity of HD but also the host-guest interactions between HD and l-Trp. Specifically, each HD unit is filled with nearly 5 l-Trp molecules, which is higher than the l-Trp occupation in the structure unit of other benchmark metal-organic frameworks. Porous liquids are potentially useful materials for the identification and separation of non-gaseous compounds. Herein, the authors report a type II porous ionic liquid with permanent porosity and high selectivity towards l-tryptophan (l-Trp) over other aromatic amino acids.
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28
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Li H, Huang Y, Zhang Y, Zhang X, Zhao L, Bao W, Cai X, Zhang K, Zhao H, Yi B, Su L, Cheetham AK, Jiang S, Xie J. An Ultrathin Functional Layer Based on Porous Organic Cages for Selective Ion Sieving and Lithium-Sulfur Batteries. NANO LETTERS 2022; 22:2030-2037. [PMID: 35156832 DOI: 10.1021/acs.nanolett.1c04838] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Thin films with effective ion sieving ability are highly desired in energy storage and conversion devices, including batteries and fuel cells. However, it remains challenging to design and fabricate cost-effective and easy-to-process ultrathin films for this purpose. Here, we report a 300 nm-thick functional layer based on porous organic cages (POCs), a new class of porous molecular materials, for fast and selective ion transport. This solution processable material allows for the design of thin films with controllable thickness and tunable porosity by tailoring cage chemistry for selective ion separation. In the prototype, the functional layer assembled by CC3 can selectively sieve Li+ ions and efficiently suppress undesired polysulfides with minimal sacrifice for the system's total energy density. Separators modified with POC thin films enable batteries with good cycle performance and rate capability and offer an attractive path toward the development of future high-energy-density energy storage devices.
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Affiliation(s)
- Haoyuan Li
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Yanlin Huang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Yue Zhang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Xiangyu Zhang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Lianqi Zhao
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Wenda Bao
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Xincan Cai
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Kexin Zhang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Haojie Zhao
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Beili Yi
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Longxing Su
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Anthony K Cheetham
- Materials Research Laboratory, University of California, Santa Barbara, California 93106 United States
| | - Shan Jiang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Jin Xie
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
- Shanghai Key Laboratory of High-resolution Electron Microscopy, ShanghaiTech University, Shanghai 201210, China
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29
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Dong J, Pan Y, Yang K, Yuan YD, Wee V, Xu S, Wang Y, Jiang J, Liu B, Zhao D. Enhanced Biological Imaging via Aggregation-Induced Emission Active Porous Organic Cages. ACS NANO 2022; 16:2355-2368. [PMID: 35084185 DOI: 10.1021/acsnano.1c08605] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Porous organic cages (POCs) have many advantages, including superior microenvironments, good monodispersity, and shape homogeneity, excellent molecular solubility, high chemical stability, and intriguing host-guest chemistry. These properties enable POCs to overcome the limitations of extended porous networks such as metal-organic frameworks (MOFs) and covalent organic frameworks (COFs). However, the applications of POCs in bioimaging remain limited due to the problems associated with their rigid and hydrophobic structures, thus leading to strong aggregation-caused quenching (ACQ) in aqueous biological media. To address this challenge, we report the preparation of aggregation-induced emission (AIE)-active POCs capable of stimuli responsiveness for enhanced bioimaging. We rationally design a hydrophilic, structurally flexible tetraphenylethylene (TPE)-based POC that is almost entirely soluble in aqueous solutions. This POC's conformationally flexible superstructure allows the dynamic rotation of the TPE-based phenyl rings, thus endowing impressive AIE characteristics for responses to environmental changes such as temperature and viscosity. We employ these notable features in the bioimaging of living cells and obtain good performance, demonstrating that the present AIE-active POCs are suitable candidates for further biological applications.
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Affiliation(s)
- Jinqiao Dong
- Department of Chemical & Biomolecular Engineering, National University of Singapore, 117585, Singapore
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yutong Pan
- Department of Chemical & Biomolecular Engineering, National University of Singapore, 117585, Singapore
| | - Kuiwei Yang
- Department of Chemical & Biomolecular Engineering, National University of Singapore, 117585, Singapore
| | - Yi Di Yuan
- Department of Chemical & Biomolecular Engineering, National University of Singapore, 117585, Singapore
| | - Vanessa Wee
- Department of Chemical & Biomolecular Engineering, National University of Singapore, 117585, Singapore
| | - Shidang Xu
- Department of Chemical & Biomolecular Engineering, National University of Singapore, 117585, Singapore
| | - Yuxiang Wang
- Department of Chemical & Biomolecular Engineering, National University of Singapore, 117585, Singapore
| | - Jianwen Jiang
- Department of Chemical & Biomolecular Engineering, National University of Singapore, 117585, Singapore
| | - Bin Liu
- Department of Chemical & Biomolecular Engineering, National University of Singapore, 117585, Singapore
| | - Dan Zhao
- Department of Chemical & Biomolecular Engineering, National University of Singapore, 117585, Singapore
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30
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Chang CW, Borne I, Lawler RM, Yu Z, Jang SS, Lively RP, Sholl DS. Accelerating Solvent Selection for Type II Porous Liquids. J Am Chem Soc 2022; 144:4071-4079. [PMID: 35170940 DOI: 10.1021/jacs.1c13049] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Type II porous liquids, comprising intrinsically porous molecules dissolved in a liquid solvent, potentially combine the adsorption properties of porous adsorbents with the handling advantages of liquids. Previously, discovery of appropriate solvents to make porous liquids had been limited to direct experimental tests. We demonstrate an efficient screening approach for this task that uses COSMO-RS calculations, predictions of solvent pKa values from a machine-learning model, and several other features and apply this approach to select solvents from a library of more than 11,000 compounds. This method is shown to give qualitative agreement with experimental observations for two molecular cages, CC13 and TG-TFB-CHEDA, identifying solvents with higher solubility for these molecules than had previously been known. Ultimately, the algorithm streamlines the downselection of suitable solvents for porous organic cages to enable more rapid discovery of Type II porous liquids.
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Affiliation(s)
- Chao-Wen Chang
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Isaiah Borne
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Robin M Lawler
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Zhenzi Yu
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Seung Soon Jang
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Ryan P Lively
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - David S Sholl
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States.,Oak Ridge National Laboratory, Oak Ridge, Tennessee 37839, United States
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31
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Sakamoto A, Budiutama GP, Takayama Y, Morohashi N, Hattori T. Synthesis and resolution of a chiral open-chain host having a partial structure of p-tert-butylsulfinylcalix[4]arene. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2022. [DOI: 10.1246/bcsj.20210438] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Atsuya Sakamoto
- Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, 6-6-11 Aramaki-Aoba, Aoba-ku, Sendai, 980-8579, Japan
| | - Gekko Patria Budiutama
- Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, 6-6-11 Aramaki-Aoba, Aoba-ku, Sendai, 980-8579, Japan
| | - Yoshihiro Takayama
- Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, 6-6-11 Aramaki-Aoba, Aoba-ku, Sendai, 980-8579, Japan
| | - Naoya Morohashi
- Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, 6-6-11 Aramaki-Aoba, Aoba-ku, Sendai, 980-8579, Japan
| | - Tetsutaro Hattori
- Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, 6-6-11 Aramaki-Aoba, Aoba-ku, Sendai, 980-8579, Japan
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32
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Yang W, Sun N, Wang X, Yu B, Wang H. Racemic Porous Organic Cage Crystal with Selective Gas Adsorption Behaviors. Z Anorg Allg Chem 2022. [DOI: 10.1002/zaac.202100357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wei Yang
- Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry University of Science and Technology Beijing Beijing 100083 China
| | - Nana Sun
- Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry University of Science and Technology Beijing Beijing 100083 China
| | - Xinxin Wang
- Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry University of Science and Technology Beijing Beijing 100083 China
| | - Baoqiu Yu
- Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry University of Science and Technology Beijing Beijing 100083 China
| | - Hailong Wang
- Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry University of Science and Technology Beijing Beijing 100083 China
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33
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KENFACK TSOBNANG P, Nchedoung Sakam YT, Fröhlich D, Porcher F, Rustam L, Hastürk E, Janiak C. Structural Transitions during the Water Sorption Process in two Layered Metal Hydrogen-Bonded Organic Frameworks and the Effect of the H-Bonds Strength between the Layers. CrystEngComm 2022. [DOI: 10.1039/d2ce00138a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The supramolecular network material [Co(amp)3][Cr(ox)3] (amp = 2-aminomethylpyridine, ox = oxalate) (I’) shows in its powder X-ray diffraction (PXRD) carpet plot during the water adsorption process two sets of diffraction...
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34
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Krzyżanowski M, Nowicka AM, Kazimierczuk K, Durka K, Lulinski S, Kasprzak A. Design of a D3h-symmetry prismatic tris-(ferrocene-1,1ʹ-diyl) molecular cage bearing boronate ester linkages. Dalton Trans 2022; 51:10601-10611. [DOI: 10.1039/d2dt01306a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This paper presents a simple, highly selective, and efficient (isolated yield 68%) synthesis of a novel D3h-symmetry prismatic tris-(ferrocene-1,1ʹ-diyl) organic cage (FcB-cage) by incorporating the boronate ester as a linkage...
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35
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Hu D, Zhang J, Liu M. Recent advances in the applications of porous organic cages. Chem Commun (Camb) 2022; 58:11333-11346. [DOI: 10.1039/d2cc03692d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Porous organic cages (POCs) have emerged as a new sub-class of porous materials that stand out by virtue of their tunability, modularity, and processibility. Similar to other porous materials such...
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36
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Yuasa M, Sumida R, Tanaka Y, Yoshizawa M. Selective Encapsulation and Unusual Stabilization of cis-Isomers by a Spherical Polyaromatic Cavity. Chemistry 2021; 28:e202104101. [PMID: 34962322 DOI: 10.1002/chem.202104101] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Indexed: 11/11/2022]
Abstract
To explore new cavity functions, we herein employed cis-trans stereoisomers with a N=N, C=C, or C=N unit as guest indicators for a polyaromatic capsule. Thanks to the rigid, spherical cavity with a diameter of ~1 nm, azobenzene and stilbene derivatives are quantitatively encapsulated by the capsule with 100% cis -selectivity in water. The isomerization of the cis -azo compound is suppressed against heat and light in the cavity, due to the confinement effect. Furthermore, C,N -diphenyl imine derivatives are quantitatively encapsulated by the capsule in water and adopt an otherwise unstable cis -form. The polyaromatic cavity suppresses the hydrolysis of the imines in water, even at elevated temperature, due to the shielding effect. Accordingly, the properties of the cis-trans isomers could be largely altered through supramolecular manipulation.
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Affiliation(s)
- Mana Yuasa
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku, Institute of Innovative Research, JAPAN
| | - Ryuki Sumida
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku, Institute of Innovative Research, JAPAN
| | - Yuya Tanaka
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku, Institute of Innovative Research, JAPAN
| | - Michito Yoshizawa
- Tokyo Institute of Technology, Laboratory for Chemistry and Life Science, Institute of Innovative Research, 4259-R28, Nagatsuta, Midori-ku, 226-8503, Yokohama, JAPAN
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37
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A bifunctional zeolitic porous liquid with incompatible Lewis pairs for antagonistic cascade catalysis. Chem 2021. [DOI: 10.1016/j.chempr.2021.08.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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38
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Wang Z, Yang BB, Fang ZJ, Ou Q, Ma H, Zhang QP, Sun YL, Zhang C. Emissive oxidase-like nanozyme based on an organic molecular cage. Chem Commun (Camb) 2021; 57:11541-11544. [PMID: 34664563 DOI: 10.1039/d1cc04430c] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
In this study, we introduced four "claw-like" units of dipicolylamine (DPA) to a tetraphenylethylene (TPE)-based organic molecular cage (DPA-TPE-Cage). Coordinated with Zn2+ ions, the obtained ZnDPA-TPE-Cage exhibited aggregation induced emission (AIE) effects and oxidase-like properties, which endowed it with the ability to selectively image and kill Gram-positive bacteria S. aureus efficiently.
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Affiliation(s)
- Zhen Wang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Bin-Bin Yang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Zi-Jun Fang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Qiang Ou
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Hui Ma
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Qing-Pu Zhang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Yu-Ling Sun
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Chun Zhang
- College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, China.
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39
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Wu Y, Wang D, Li P, Li X, Wang C, He Z, Xin Y, Zheng Y. Zeolitic imidazolate frameworks based porous liquids for promising fluid selective gas sorbents. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117522] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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40
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Zheng S, Zeng S, Li Y, Bai L, Bai Y, Zhang X, Liang X, Zhang S. State of the art of ionic liquid‐modified adsorbents for
CO
2
capture and separation. AIChE J 2021. [DOI: 10.1002/aic.17500] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shuang Zheng
- Beijing Key Laboratory of Ionic Liquids Clean Process State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences Beijing China
- Sino‐Danish College University of Chinese Academy of Sciences Beijing China
| | - Shaojuan Zeng
- Beijing Key Laboratory of Ionic Liquids Clean Process State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences Beijing China
| | - Yue Li
- Beijing Key Laboratory of Ionic Liquids Clean Process State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences Beijing China
- College of Chemical Engineering and Environment China University of Petroleum Beijing China
| | - Lu Bai
- Beijing Key Laboratory of Ionic Liquids Clean Process State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences Beijing China
| | - Yinge Bai
- Beijing Key Laboratory of Ionic Liquids Clean Process State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences Beijing China
| | - Xiangping Zhang
- Beijing Key Laboratory of Ionic Liquids Clean Process State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences Beijing China
- Sino‐Danish College University of Chinese Academy of Sciences Beijing China
| | - Xiaodong Liang
- Department of Chemical and Biochemical Engineering Technical University of Denmark Lyngby Denmark
| | - Suojiang Zhang
- Beijing Key Laboratory of Ionic Liquids Clean Process State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences Beijing China
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41
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McKee NA, McKee ML. Evaluation of packing single and multiple atoms and molecules in the porous organic cage CC3- R. Phys Chem Chem Phys 2021; 23:19255-19268. [PMID: 34524296 DOI: 10.1039/d1cp01934a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The absorption of multiple atoms and molecules, including Kr, Xe, CH4, CO2, C2H2, H2O, and SF6, within CC3-R, a Porous Organic Cage (POC), was calculated and analyzed. The CC3-R molecule has one central cavity and four window sites. Most adsorbents were modeled with either one unit in the central cavity, four units in the window sites, or with five units in both sites. For Xe, the most favorable site was the central one. The CO2 molecule binds about 3 kcal mol-1 in free energy more strongly than CH4 in the central cavity of CC3-R at 300 K which may be enough to allow useful discrimination. Four C2H2 units and four CO2 units are calculated to bind similarly inside CC3-R (ΔH(298 K) = -8.6 and -7.7 kcal mol-1 per unit, respectively). Since H2O is smaller, more waters can easily fit inside. For twelve water molecules, the binding enthalpy per water is ΔH(298 K) = -16.4 kcal mol-1. For comparison, the binding enthalpy of (H2O)12 at the same level of theory (B3LYP/6-31G(d,p)-D3BJ//M06-2X/6-31G(d)) is predicted to be -12.3 kcal mol-1 per water. Finally, the dimerization of CC3-R and the association of CC3-R with CC3-S was studied as well as 3 to 9 iodine atoms enclosed in CC3-R.
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Affiliation(s)
- Nida A McKee
- Department of Chemistry and Biochemistry, Auburn, AL 36849, USA.
| | - Michael L McKee
- Department of Chemistry and Biochemistry, Auburn, AL 36849, USA.
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42
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Bennett TD, Coudert FX, James SL, Cooper AI. The changing state of porous materials. NATURE MATERIALS 2021; 20:1179-1187. [PMID: 33859380 DOI: 10.1038/s41563-021-00957-w] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 02/05/2021] [Indexed: 06/12/2023]
Abstract
Porous materials contain regions of empty space into which guest molecules can be selectively adsorbed and sometimes chemically transformed. This has made them useful in both industrial and domestic applications, ranging from gas separation, energy storage and ion exchange to heterogeneous catalysis and green chemistry. Porous materials are often ordered (crystalline) solids. Order-or uniformity-is frequently held to be advantageous, or even pivotal, to our ability to engineer useful properties in a rational way. Here we highlight the growing evidence that topological disorder can be useful in creating alternative properties in porous materials. In particular, we highlight here several concepts for the creation of novel porous liquids, rationalize routes to porous glasses and provide perspectives on applications for porous liquids and glasses.
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Affiliation(s)
- Thomas D Bennett
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, UK.
| | - François-Xavier Coudert
- Chimie ParisTech, PSL University, CNRS, Institut de Recherche de Chimie Paris, Paris, France.
| | - Stuart L James
- School of Chemistry and Chemical Engineering, Queen's University Belfast, Belfast, UK.
| | - Andrew I Cooper
- Materials Innovation Factory and Department of Chemistry, University of Liverpool, Liverpool, UK.
- Leverhulme Research Centre for Functional Materials Design, Materials Innovation Factory and Department of Chemistry, University of Liverpool, Liverpool, UK.
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43
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Bhattacharjee A, Kumar R, Sharma KP. Composite Porous Liquid for Recyclable Sequestration, Storage and In Situ Catalytic Conversion of Carbon Dioxide at Room Temperature. CHEMSUSCHEM 2021; 14:3303-3314. [PMID: 34196112 DOI: 10.1002/cssc.202100931] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/29/2021] [Indexed: 06/13/2023]
Abstract
Permanent pores combined with fluidity renders flow processability to porous liquids otherwise not seen in porous solids. Although porous liquids have been utilized for sequestration of different gases and their separation, there is still a dearth of studies for deploying in situ chemical reactions to convert adsorbed gases into utility chemicals. Here, we show the design and development of a new type of solvent-less and hybrid (meso-)porous liquid composite, which, as demonstrated for the first time, can be used for in situ carbon mineralization of adsorbed CO2 . The recyclable porous liquid composite comprising polymer-surfactant modified hollow silica nanorods and carbonic anhydrase enzyme not only sequesters (5.5 cm3 g-1 at 273 K and 1 atm) and stores CO2 but is also capable of driving an in situ enzymatic reaction for hydration of CO2 to HCO3 - ion, subsequently converting it to CaCO3 due to reaction with pre-dissolved Ca2+ . Light and electron microscopy combined with X-ray diffraction reveals the nucleation and growth of calcite and aragonite crystals. Moreover, the liquid-like property of the porous composite material can be harnessed by executing the same reaction via diffusion of complimentary Ca2+ and HCO3 - ions through different compartments separated by an interfacial channel. These studies provide a proof of concept of deploying chemical reactions within porous liquids for developing utility chemical from adsorbed molecules.
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Affiliation(s)
- Archita Bhattacharjee
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai, 400076, India
| | - Raj Kumar
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai, 400076, India
| | - Kamendra P Sharma
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai, 400076, India
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44
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Li K, Wu K, Fan YZ, Guo J, Lu YL, Wang YF, Maurin G, Su CY. Acidic open-cage solution containing basic cage-confined nanospaces for multipurpose catalysis. Natl Sci Rev 2021; 9:nwab155. [PMID: 35663244 PMCID: PMC9155638 DOI: 10.1093/nsr/nwab155] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 08/07/2021] [Accepted: 08/08/2021] [Indexed: 11/20/2022] Open
Abstract
The nanoscale chemical spaces inherent in porous organic/coordination cages or solid/liquid materials have been continuously explored for their nanoconfinement effect on selective adsorption and reaction of small gas or organic molecules. Herein, we aim to rationalize the unconventional chemical reactivities motivated by the cage-confined nanospaces in aqueous solutions, where the robust yet permeable nanospaces defined by the open cages facilitate dynamic guest exchange and unusual chemical reactions. The high positive charges on [(Pd/Pt)6(RuL3)8]28+ nanocages drive imidazole–proton equilibrium to display a significantly perturbed pKa shift, creating cage-defined nanospaces in solution with distinct intrinsic basicity and extrinsic acidity. The supramolecular cage effect plays pivotal roles in elaborating robust solution nanospaces, controlling ingress-and-egress molecular processes through open-cage portals and endowing nanocages with transition-state stabilization, amphoteric reactivities and the phase transfer of insoluble molecules, thus promoting chemical transformations in unconventional ways. Consequently, a wide range of application of cage-confined catalysis with anomalous reactivities may be expected based on this kind of open-cage solution medium, which combines cage nanocavity, solution heterogeneity and liquid-phase fluidity to benefit various potential mass transfer and molecular process options.
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Affiliation(s)
| | | | | | - Jing Guo
- MOE Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Yu-Lin Lu
- MOE Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Yuan-Fan Wang
- MOE Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Guillaume Maurin
- Institut Charles Gerhardt Montpellier, Centre National de la Recherche Scientifique, École Nationale Supérieure de Chimie de Montpellier, Université de Montpellier, Montpellier 34095, France
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45
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Surinwong S, Kuwamura N, Kojima T, Yoshinari N, Rujiwatra A, Konno T. Highly Porous Ionic Solids Consisting of Au I3Co III2 Complex Anions and Aqua Metal Cations. Inorg Chem 2021; 60:12555-12564. [PMID: 34337942 DOI: 10.1021/acs.inorgchem.1c01877] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Treatment of Na3[Au3Co2(d-pen)6] (Na3[1]; d-H2pen = d-penicillamine) with M(OAc)2 (M = NiII, MnII) in water gave ionic crystals of [M(H2O)6]3[1]2 (2M) in which [1]3- anions are hydrogen-bonded with [M(H2O)6]2+ cations to form a 3D porous framework with a porosity of ca. 80%. Soaking crystals of 2Ni in its mother liquor afforded crystals of [Ni(H2O)6]2[{Ni(H2O)4}(1)2] (3Ni) in which [1]3- anions are connected to trans-[Ni(H2O)4]2+ and [Ni(H2O)6]2+ cations through coordination and hydrogen bonds, respectively, to form a 1D porous framework with a porosity ca. 60%. Further soaking crystals led to [{Ni(H2O)4}3(1)2] (4Ni), in which [1]3- anions are connected to cis-[Ni(H2O)4]2+ and trans-[Ni(H2O)4]2+ cations through coordination bonds in a dense framework with a porosity of ca. 30%. A similar two-step crystal-to-crystal transformation mediated by solvent proceeded when crystals of 2Mn were soaked in a mother liquor. However, the transformation of 2Mn generated [{Mn(H2O)4}(H1)] (4'Mn) as the final product, in which [H1]2- anions are connected to cis-[Mn(H2O)4]2+ cations through coordination bonds in a very dense framework with a porosity ca. 5% by way of [Mn(H2O)6]2[{Mn(H2O)4}(1)2] (3Mn), which is isostructural with 3Ni. While all the compounds adsorbed H2O and CO2 depending on the degree of their porosity, unusually large NH3 adsorption capacities were observed for 4Ni and 4'Mn, which have dense frameworks.
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Affiliation(s)
- Sireenart Surinwong
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan.,Department of Chemistry, Faculty of Science, King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand
| | - Naoto Kuwamura
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Tatsuhiro Kojima
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Nobuto Yoshinari
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Apinpus Rujiwatra
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Takumi Konno
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
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Hosseini Monjezi B, Kutonova K, Tsotsalas M, Henke S, Knebel A. Aktuelle Trends zu Metall‐organischen und kovalenten organischen Netzwerken als Membranmaterialien. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015790] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Bahram Hosseini Monjezi
- Institut für Funktionelle Grenzflächen (IFG) Karlsruher Institut für Technologie (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Deutschland
| | - Ksenia Kutonova
- Institut für Organische Chemie (IOC) Karlsruher Institut für Technologie (KIT) Fritz-Haber-Weg 6 76131 Karlsruhe Deutschland
| | - Manuel Tsotsalas
- Institut für Funktionelle Grenzflächen (IFG) Karlsruher Institut für Technologie (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Deutschland
| | - Sebastian Henke
- Fakultät für Chemie und Chemische Biologie TU Dortmund Otto-Hahn-Straße 6 44227 Dortmund Deutschland
| | - Alexander Knebel
- Institut für Funktionelle Grenzflächen (IFG) Karlsruher Institut für Technologie (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Deutschland
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47
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Hosseini Monjezi B, Kutonova K, Tsotsalas M, Henke S, Knebel A. Current Trends in Metal-Organic and Covalent Organic Framework Membrane Materials. Angew Chem Int Ed Engl 2021; 60:15153-15164. [PMID: 33332695 PMCID: PMC8359388 DOI: 10.1002/anie.202015790] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Indexed: 12/18/2022]
Abstract
Metal-organic frameworks (MOFs) and covalent organic frameworks (COFs) have been thoroughly investigated with regards to applications in gas separation membranes in the past years. More recently, new preparation methods for MOFs and COFs as particles and thin-film membranes, as well as for mixed-matrix membranes (MMMs) have been developed. We will highlight novel processes and highly functional materials: Zeolitic imidazolate frameworks (ZIFs) can be transformed into glasses and we will give an insight into their use for membranes. In addition, liquids with permanent porosity offer solution processability for the manufacture of extremely potent MMMs. Also, MOF materials influenced by external stimuli give new directions for the enhancement of performance by in situ techniques. Presently, COFs with their large pores are useful in quantum sieving applications, and by exploiting the stacking behavior also molecular sieving COF membranes are possible. Similarly, porous polymers can be constructed using MOF templates, which then find use in gas separation membranes.
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Affiliation(s)
- Bahram Hosseini Monjezi
- Institute of Functional Interfaces (IFG)Karlsruhe Institute of Technology (KIT)Hermann-von-Helmholtz-Platz 176344Eggenstein-LeopoldshafenGermany
| | - Ksenia Kutonova
- Institute of Organic Chemistry (IOC)Karlsruhe Institute of Technology (KIT)Fritz-Haber-Weg 676131KarlsruheGermany
| | - Manuel Tsotsalas
- Institute of Functional Interfaces (IFG)Karlsruhe Institute of Technology (KIT)Hermann-von-Helmholtz-Platz 176344Eggenstein-LeopoldshafenGermany
| | - Sebastian Henke
- Department of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Str. 644227DortmundGermany
| | - Alexander Knebel
- Institute of Functional Interfaces (IFG)Karlsruhe Institute of Technology (KIT)Hermann-von-Helmholtz-Platz 176344Eggenstein-LeopoldshafenGermany
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Wang W, Li C, Zhang H, Zhang J, Lu L, Jiang Z, Cui L, Liu H, Yan L, Ding Y. Enhancing the activity, selectivity, and recyclability of Rh/PPh3 system-catalyzed hydroformylation reactions through the development of a PPh3-derived quasi-porous organic cage as a ligand. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63746-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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He D, Clowes R, Little MA, Liu M, Cooper AI. Creating porosity in a trianglimine macrocycle by heterochiral pairing. Chem Commun (Camb) 2021; 57:6141-6144. [PMID: 34042126 DOI: 10.1039/d1cc01650d] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Macrocycles are usually non-porous or barely porous in the solid-state because of their small intrinsic cavity sizes and tendency to close-pack. Here, we use a heterochiral pairing strategy to introduce porosity in a trianglimine macrocycle, by co-crystallising two macrocycles with opposing chiralities. The stable racemic trianglimine crystal contains an interconnected pore network that has a Brunauer-Emmett-Teller (BET) surface area of 355 m2 g-1.
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Affiliation(s)
- Donglin He
- Materials Innovation Factory and Chemistry Department, University of Liverpool, Liverpool, L7 3NY, UK.
| | - Rob Clowes
- Materials Innovation Factory and Chemistry Department, University of Liverpool, Liverpool, L7 3NY, UK.
| | - Marc A Little
- Materials Innovation Factory and Chemistry Department, University of Liverpool, Liverpool, L7 3NY, UK.
| | - Ming Liu
- Materials Innovation Factory and Chemistry Department, University of Liverpool, Liverpool, L7 3NY, UK.
| | - Andrew I Cooper
- Materials Innovation Factory and Chemistry Department, University of Liverpool, Liverpool, L7 3NY, UK.
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50
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Li ZJ, Srebnik S. Expanding carbon capture capacity: uncovering additional CO 2 adsorption sites in imine-linked porous organic cages. Phys Chem Chem Phys 2021; 23:10311-10320. [PMID: 33951133 DOI: 10.1039/d0cp06708c] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
With an increasing need to develop carbon capture technologies, research regarding the use of cage-based porous materials has garnered great interest. Typically, the study of gas adsorption in porous organic cages (POCs) has focused on the gas uptake inside the cage cavity. By using molecular dynamics simulation, this study reveals the presence of eight sites outside the cavity of a 15-crown-5 ether-substituted imine-linked POC which could enhance carbon dioxide adsorption capacity. Adsorption on these sites is likely stabilized by the functional groups on the cage vertices and the imine groups on the faces of the POC. These external adsorption sites have a higher CO2 adsorption capacity and greater sensitivity to temperature and pressure changes than the sites within the cage cavity. These characteristics are particularly favourable for applications based on pressure- and temperature-swing separation.
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Affiliation(s)
- Zezhong John Li
- Department of Chemical and Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver, BC V6T 1Z3, Canada.
| | - Simcha Srebnik
- Department of Chemical and Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver, BC V6T 1Z3, Canada.
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