Crystalline Metallo-Organic Cage by Triphenylene-Cored Hexaterpyridine for Fast Iodine Capture

Article Chemistry, Inorganic & Nuclear

Construction of a π-stacked supramolecular framework using a triphenylene-cored metallo-organic cage

Zhilong Jiang et al.

Summary: In this study, a new metallo-organic cage was successfully assembled, providing new insights into the design of strong π-π interactions in supramolecular hierarchical packing and materials science.

INORGANIC CHEMISTRY FRONTIERS (2023)

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Article Engineering, Environmental

An activated carbon from walnut shell for dynamic capture of high concentration gaseous iodine

Xiaomin Yang et al.

Summary: An advanced activated carbon material (WS-ZnCl2) was prepared using walnut shell as raw material and zinc chloride as activating agent to capture high concentration gaseous iodine under nuclear accident conditions. The adsorbent exhibited a high BET surface area of 1360 m2/g and a total pore volume of 0.68 cm3/g, with an average pore size of 2.00 nm. The dynamic adsorption capacity of the adsorbent reached a record of 1634 mg/g for capturing gaseous iodine.

CHEMICAL ENGINEERING JOURNAL (2023)

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Article Chemistry, Multidisciplinary

Frontispiece: Cluster‐Based Crystalline Materials for Iodine Capture

San‐Tai Wang et al.

CHEMISTRY-A EUROPEAN JOURNAL (2023)

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Article Chemistry, Multidisciplinary

Reversible Iodine Capture by Nonporous Adaptive Crystals of a Bipyridine Cage

Dan Luo et al.

Summary: The nitrogen-rich nonporous cage based on bipyridine building blocks shows excellent iodine capture performance, able to capture various forms of iodine and release it for control over reactions, with high stability and reusability.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Article Chemistry, Multidisciplinary

Light-Triggered High-Affinity Binding of Tetramethylammonium over Potassium Ions by [18]crown-6 in a Tetrahedral Anion Cage

Yue Wang et al.

Summary: In this study, an azobenzene-functionalized bis-bis(urea) ligand and phosphate anion were assembled to form the first photoactive anion structures, tetrahedron (A(4)L(6)) and helicate (A(2)L(3)), which underwent interconversion through cis-trans isomerization. The tetrahedral cage could accommodate [18]crown-6 molecule and capture TMA(+) ions with high affinity, even replacing K+ in [K([18]crown-6)](+) to form a nested structure.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Article Engineering, Environmental

An overview on metal Oxide-based materials for iodine capture and storage

Constantin Muhire et al.

Summary: This review documents the application of metal oxide-based materials for capturing radioactive iodine. It discusses the limitations in operating conditions, adsorption capacities, and long-term immobilization, and explores the advantages and shortcomings of different metal oxides for iodine capture, as well as the effect of metal oxide additives on the low-sintering temperature of iodide waste forms.

CHEMICAL ENGINEERING JOURNAL (2022)

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Review Chemistry, Multidisciplinary

Beyond Platonic: How to Build Metal-Organic Polyhedra Capable of Binding Low-Symmetry, Information-Rich Molecular Cargoes

Charlie T. McTernan et al.

Summary: The field of metallosupramolecular chemistry has made rapid progress in recent years, focusing on the formation of hollow self-assembled metalorganic structures and their applications in confining nanospaces. However, most of the structures studied so far exhibit high symmetry, which limits their ability to interact with asymmetrical biomolecules and synthetic compounds. Therefore, the design of lower-symmetry metal-organic structures is necessary to bind, sense, separate, and transform such substrates.

CHEMICAL REVIEWS (2022)

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Article Chemistry, Multidisciplinary

Highly Selective Separation of Benzene and Cyclohexane in a Spatially Confined Carborane Metallacage

Peng-Fei Cui et al.

Summary: This study reports the rational design of a metallacage with carborane functionality and cooperative dihydrogen binding sites for the highly selective capture of cyclohexane molecules, which could potentially have exciting future applications in supramolecular chemistry for the selective adsorption and separation of alkane molecules.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Article Chemistry, Multidisciplinary

Transformation of Porous Organic Cages and Covalent Organic Frameworks with Efficient Iodine Vapor Capture Performance

Chao Liu et al.

Summary: The reaction of BPDDP with cyclohexanediamine results in the synthesis of nitrogen-rich porous organic cage BPPOC and two USTB-1 and USTB-2 COFs. The newly prepared COFs show enhanced iodine vapor adsorption capability and can be transformed between different structures by exchanging the imine unit. This transformation is influenced by the crystal structures and the porosity of the materials, with nitrogen atoms proving superior to sulfur atoms for POCs in iodine vapor capture.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Review Chemistry, Inorganic & Nuclear

Self-assembly of nanostructures with high complexity based on metal•••unsaturated-bond coordination

Yuya Domoto et al.

Summary: The coordinative self-assembly of simple building blocks towards complex nanostructures is currently a popular research area in the development of artificial nanomaterials comparable to biological systems. Traditional coordination donors have been widely used in previous studies, but the recent emergence of weak pi-coordination between metal ions and unsaturated carbon-carbon bonds offers a flexible and highly tolerant bonding approach for complex nanoarchitectures. The combination of metal-acetylene pi-coordination with conventional coordination has allowed for the formation of large polyhedral complexes with unprecedented molecular entanglement, highlighting the potential advantages of this concept.

COORDINATION CHEMISTRY REVIEWS (2022)

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Review Chemistry, Multidisciplinary

Assembling metal-organic cages as porous materials

Eli Sanchez-Gonzalez et al.

Summary: In this tutorial review, the authors discuss the use of metal-organic cages (MOCs) as core building units for porous materials. They highlight the role of surface functionalization in achieving a range of states, including crystalline solids, soft matter, liquids, and composites. The review provides insights into the opportunities for developing increasingly complex functional porous materials.

CHEMICAL SOCIETY REVIEWS (2022)

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Review Chemistry, Multidisciplinary

Adsorption of iodine in metal-organic framework materials

Xinran Zhang et al.

Summary: Nuclear power will continue to provide energy, but there are challenges in waste disposal and radioactive release. MOF materials show potential for selective adsorption of iodine and improving adsorption performance.

CHEMICAL SOCIETY REVIEWS (2022)

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Article Chemistry, Multidisciplinary

Mesoporous Assembly of Aluminum Molecular Rings for Iodine Capture

Shuyang Yao et al.

Summary: This study introduces a novel supramolecular nanocage structure assembled from aluminum molecular rings, exhibiting superior iodine adsorption behavior. Single-crystal X-ray diffraction reveals the binding sites of molecular I-2 within the cages. The resulting adsorbent demonstrates a high iodine vapor saturation uptake capacity and can be recycled for further use.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Article Chemistry, Multidisciplinary

Chemoselective and Site-Selective Reductions Catalyzed by a Supramolecular Host and a Pyridine-Borane Cofactor

Mariko Morimoto et al.

Summary: Supramolecular catalysts can achieve large rate accelerations and precise selectivity under mild and aqueous conditions, but their applications in chemoselective and site-selective modification of complex biomolecules are still largely unexplored.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Article Chemistry, Multidisciplinary

Nanospace Engineering of Metal-Organic Frameworks through Dynamic Spacer Installation of Multifunctionalities for Efficient Separation of Ethane from Ethane/Ethylene Mixtures

Cheng-Xia Chen et al.

Summary: A dynamic spacer installation (DSI) strategy was used to construct a series of multifunctional metal-organic frameworks (MOFs) for ethane/ethylene separation, with increased ethane adsorption capacity and enhanced ethane/ethylene selectivity. The DSI approach showed promising results for the rational design of multifunctional MOFs in challenging tasks.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

A Self-Assembled Palladium(II) Barrel for Binding of Fullerenes and Photosensitization Ability of the Fullerene-Encapsulated Barrel

Prioti Choudhury Purba et al.

Summary: The study introduces a new Pd-6 barrel host for efficient encapsulation of fullerene extracts, addressing solubility and purification issues. The barrel exhibits strong binding affinity towards C-70 over C-60, resulting in predominant extraction of C-70 from a mixture. Fullerene-encapsulated barrels show efficient visible-light-induced singlet oxygen generation, with noteworthy preferential binding of C-70.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Review Multidisciplinary Sciences

Light-emitting self-assembled metallacages

Jun Zhao et al.

Summary: The coordination-driven self-assembly of metallacages has attracted significant interest due to their 3D layout and cavity-cored nature, making them particularly attractive for studying luminophores and inducing novel photophysical characters. By incorporating ligands displaying aggregation-induced emission (AIE) into metallacages, favorable photophysical properties have been achieved, leading to the development of supramolecular luminophores for diverse applications in fields such as sensing, biomedicine and catalysis.

NATIONAL SCIENCE REVIEW (2021)

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Article Multidisciplinary Sciences

Orthogonal-array dynamic molecular sieving of propylene/propane mixtures

Heng Zeng et al.

Summary: Metal-organic frameworks (MOFs) are known for their precise control of structures and functions on a molecular level, but designing local flexibility in the MOF framework for dynamic molecular sieving remains challenging. A newly reported MOF material, JNU-3a, features one-dimension channels with embedded molecular pockets that can selectively adsorb propylene and propane under different pressures, showcasing the potential of dynamic molecular sieving.

NATURE (2021)

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Article Materials Science, Multidisciplinary

Bisimidazole-Based Conjugated Polymers for Excellent Iodine Capture

Tian-Hui Niu et al.

Summary: A series of bisimidazole-based conjugated porous organic polymers with high iodine capture capacities were synthesized by cross-coupling reaction. The relationship between the iodine adsorption properties and the content of imidazole nitrogen heterocycles in the polymers was investigated, revealing the potential for efficient iodine capture by controlling the imidazole nitrogen heterocycle content.

ACS APPLIED POLYMER MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Host-Guest Recognition and Fluorescence of a Tetraphenylethene-Based Octacationic Cage

Honghong Duan et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Engineering, Environmental

Development of bismuth-mordenite adsorbents for iodine capture from off-gas streams

Ahmed Al-Mamoori et al.

CHEMICAL ENGINEERING JOURNAL (2020)

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Coordination cages as permanently porous ionic liquids

Lillian Ma et al.

NATURE CHEMISTRY (2020)

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Editorial Material Chemistry, Multidisciplinary

Metallo-supramolecular Shell Enables Regioselective Multi-functionalization of Fullerenes

Shota Hasegawa et al.

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A cyclic bis[2]catenane metallacage

Yiliang Wang et al.

NATURE COMMUNICATIONS (2020)

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Confinement of Water-Soluble Cationic Substrates in a Cationic Molecular Cage by Capping the Portals with Tripodal Anions

Hiroki Takezawa et al.

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Cyanide Sensing in Water Using a Copper Metallogel through Turn-on Fluorescence

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Site-Selective Functionalization of Linear Diterpenoids through U-Shaped Folding in a Confined Artificial Cavity

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Multicomponent Self-Assembly of Metallo-Supramolecular Macrocycles and Cages through Dynamic Heteroleptic Terpyridine Complexation

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CHEMISTRY-A EUROPEAN JOURNAL (2018)

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ACCOUNTS OF CHEMICAL RESEARCH (2018)

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Crystalline Metallo-Organic Cage by Triphenylene-Cored Hexaterpyridine for Fast Iodine Capture

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