Morphology Tuning via Linker Modulation: Metal-Free Covalent Organic Nanostructures with Exceptional Chemical Stability for Electrocatalytic Water Splitting

Review Chemistry, Multidisciplinary

Emerging porous organic polymers for biomedical applications

Youlong Zhu et al.

Summary: This review summarizes the recent progress in the biomedical applications of porous organic polymers (POPs), including drug delivery, bioimaging, and photothermal therapy.

CHEMICAL SOCIETY REVIEWS (2022)

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Review Chemistry, Multidisciplinary

Porous organic polymers for electrocatalysis

Dong-Hui Yang et al.

Summary: This paper provides a systematic overview of recent advances in the applications of porous organic polymers (POPs) as electrocatalysts in various reactions. The synthesis strategies, specific active sites, and catalytic mechanisms of POPs are summarized, and the current challenges and future directions in their electrocatalytic applications are discussed.

CHEMICAL SOCIETY REVIEWS (2022)

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Article Chemistry, Multidisciplinary

Amorphous-to-Crystalline Transformation: General Synthesis of Hollow Structured Covalent Organic Frameworks with High Crystallinity

Zeshan Xiong et al.

Summary: This study reports a versatile and efficient strategy of amorphous-to-crystalline transformation for the fabrication of highly crystalline HCOFs. The approach allows for the control of hollowing process and crystallization process by regulating the dynamic imine exchange reaction. Various HCOFs with ultrahigh surface areas and uniform morphologies were successfully synthesized, and COF-based yolk-shell nanostructures with functional interior cores were also fabricated. The obtained metal@HCOFs catalysts showed enhanced catalytic activity and size-selectivity, highlighting the significance of nucleation-growth kinetics of COFs in tuning their morphologies, structures, and applications.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Article Chemistry, Multidisciplinary

Porous covalent organic nanotubes and their assembly in loops and toroids

Kalipada Koner et al.

Summary: This study reports the synthesis of covalently bonded porous organic nanotubes (CONTs) with high thermal and chemical stability. Under ultrasonication, these CONTs form intertwined structures that eventually coil to form toroidal superstructures. Computational studies provide insight into the solvent effect on this assembly process.

NATURE CHEMISTRY (2022)

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Review Chemistry, Multidisciplinary

Maneuvering Applications of Covalent Organic Frameworks via Framework-Morphology Modulation

Suvendu Karak et al.

Summary: The morphology of COFs plays a crucial role in their applications. Understanding and optimizing the morphology of COFs can enhance their performance and achieve better engineering, thereby achieving better results in various application areas.

ADVANCED MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Landscaping Covalent Organic Framework Nanomorphologies

Himadri Sekhar Sasmal et al.

Summary: This article reviews the synthetic strategies for controlling the nanomorphologies of covalent organic frameworks (COFs) and examines the impact of dimensionalities on their physicochemical properties and applications. The aim is to improve the performance of COFs in various fields by optimizing their morphological dimensions.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Article Chemistry, Multidisciplinary

Viscoelastic Covalent Organic Nanotube Fabric via Macroscopic Entanglement

Kalipada Koner et al.

Summary: Covalent organic nanotubes (CONTs) are one-dimensional porous frameworks constructed via dynamic covalent chemistry. Flexible and robust self-standing fabric has been successfully constructed using selected building blocks. The fabric has been characterized and its formation mechanism has been established. The synthesized fabric exhibits high mechanical strength and time-dependent elastic recovery.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Article Nanoscience & Nanotechnology

Diffusion-Mediated Morphological Transformation in Bifunctional Mn2O3/CuO-(VO)3(PO4)2middot6H2O for Enhanced Electrochemical Water Splitting

Sourav Bhowmick et al.

Summary: A strategical approach involving morphological transformation and heterojunction formation is used to address the limitations of uni-metal oxide electrocatalysts and enhance their bifunctionality. The in situ generation of CuO over Mn2O3 leads to a morphological transformation from solid spheres to hollow spherical structures, which improves the electrocatalytic performance by increasing exposed surface active sites. Deposition of 2D VOP sheets further enhances the electrocatalytic efficiency of Mn2O3/CuO. The formation of an n-p heterojunction between Mn2O3 and CuO, along with the effect of the VOP overlayer, significantly increases the turnover frequency compared to the bare counterpart.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Review Chemistry, Multidisciplinary

Porous organic polymers in solar cells

Tianyi Zhang et al.

Summary: Porous organic polymers (POPs) have unique properties such as porosity and a large surface area, making them suitable for various applications in photovoltaic devices. This review focuses on the recent progress of using POPs to enhance the performance of solar cell devices, including organic solar cells, perovskite solar cells, and dye-sensitized solar cells. It also discusses the limitations and challenges of POPs and highlights future research directions.

CHEMICAL SOCIETY REVIEWS (2022)

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Review Chemistry, Multidisciplinary

Porous organic polymers for high-performance supercapacitors

Xu Liu et al.

Summary: In order to address global warming and fossil fuel shortages, it is necessary to develop environmentally friendly and sustainable renewable energy technologies. Supercapacitors bridge the performance gap between electrostatic double-layer capacitors and batteries by storing energy from electrochemical processes at the electrode surface. Organic electrode materials, particularly porous organic polymers (POPs), have drawn extensive attention due to their special characteristics and potential for use in supercapacitors.

CHEMICAL SOCIETY REVIEWS (2022)

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Article Chemistry, Physical

Detection of remote proton-nitrogen correlations by 1H-detected 14N overtone solid-state NMR at fast MAS

Nghia Tuan Duong et al.

Summary: This study presents a new experimental method for detecting proton and nitrogen correlations in solid-state nuclear magnetic resonance (NMR). This method is significant for the structural determination of biological and chemical systems.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2022)

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Review Materials Science, Multidisciplinary

Advances in porous organic polymers: syntheses, structures, and diverse applications

Mohamed Gamal Mohamed et al.

Summary: POPs are considered emerging materials with high specific surface areas and tunable porosities, with potential applications in gas capture/separation, photocatalysis, energy storage, and other fields.

MATERIALS ADVANCES (2022)

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Review Chemistry, Multidisciplinary

Chemical Conversion and Locking of the Imine Linkage: Enhancing the Functionality of Covalent Organic Frameworks

Luca Cusin et al.

Summary: Imine-based COFs are functional, crystalline, and porous nanostructures with relatively easy crystallization, but the stability of the imine bond is limited, making it unsuitable for harsh conditions. Solutions are needed to increase the potential of these materials, potentially through chemical conversion and locking of the imine bond to enhance framework robustness and functionality.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Nanoscience & Nanotechnology

To Reveal the Importance of the Crystallization Sequence on Micro-Morphological Structures of All-Crystalline Polymer Blends by In Situ Investigation

Rui Zhang et al.

Summary: In crystalline/crystalline polymer blend systems, the complex competition and coupling of crystallization and morphology are influenced by the different crystal nucleation and growth processes of polymers, making it challenging to control the morphology and crystallization behavior. By studying the crystallization sequence in P3HT and N2200 blends, it was found that the crystallization process plays a crucial role in determining the micro-morphology structure, with simultaneous crystallization leading to large-sized morphology structures and changes in solvent-polymer interaction affecting the crystallization order between P3HT and N2200. The results highlight the importance of crystallization sequence in shaping the micro-morphology structure in all-crystalline polymer blends.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Editorial Material Chemistry, Multidisciplinary

The Significance of Properly Reporting Turnover Frequency in Electrocatalysis Research

Sengeni Anantharaj et al.

Summary: Turnover frequency (TOF) has long been used as an accurate indicator of the intrinsic activity of catalysts in electrocatalytic reactions, but is often not properly reported. While current density is significant in determining apparent activity, TOF can more accurately reflect intrinsic activity free from interfering phenomena, yet remains underused in electrocatalysis.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

Efficient symmetry-based γ-encoded DQ recoupling sequences for suppression of t1-noise in solid-state NMR spectroscopy at fast MAS

Yusuke Nishiyama et al.

Summary: Solid-state NMR spectroscopy has been crucial in elucidating the structure and dynamics of materials and biological solids at a molecular level. After systematically searching for symmetry-based DQ recoupling sequences, it was found that gamma-encoded RN(n)(ν) sequences outperform other DQ recoupling sequences.

SOLID STATE NUCLEAR MAGNETIC RESONANCE (2021)

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Review Chemistry, Multidisciplinary

Nanoscale porous organic polymers for drug delivery and advanced cancer theranostics

Nem Singh et al.

Summary: Finding a personalized nano theranostics solution for cancer diagnosis and therapy is a top challenge in current medicinal science. Porous organic polymers (POPs) show remarkable advantages for cancer theranostics due to their specific physicochemical characteristics. Both crystalline and non-crystalline POPs, such as covalent organic frameworks (COFs), have shown potential applications across various research areas. Early research on nanoscale POPs for theranostics has demonstrated promising applications in drug loading, targeted delivery, stimuli-responsive release, cancer imaging, and combination therapy.

CHEMICAL SOCIETY REVIEWS (2021)

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Review Chemistry, Multidisciplinary

Covalent Organic Frameworks: Chemical Approaches to Designer Structures and Built-In Functions

Xinyi Chen et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Chemistry, Physical

Bifunctional Hydrogen Bonding of Imidazole with Water Explored by Rotational Spectroscopy and DFT Calculations

Eva Gougoula et al.

JOURNAL OF PHYSICAL CHEMISTRY A (2020)

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Article Chemistry, Multidisciplinary

Twist Building Blocks from Planar to Tetrahedral for the Synthesis of Covalent Organic Frameworks

Chao Gao et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Chemistry, Physical

One-pot synthesis of multifunctional electrocatalyst for hydrogen evolution, oxygen evolution and oxygen reduction

Zejun Xu et al.

CHEMCATCHEM (2020)

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Review Materials Science, Multidisciplinary

Porous Organic Polymers as Promising Electrode Materials for Energy Storage Devices

Xu Liu et al.

ADVANCED MATERIALS TECHNOLOGIES (2020)

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Article Chemistry, Multidisciplinary

Rational Design of Covalent Cobaloxime-Covalent Organic Framework Hybrids for Enhanced Photocatalytic Hydrogen Evolution

Kerstin Gottschling et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Multidisciplinary Sciences

Porous organic materials offer vast future opportunities

Tianyu Liu et al.

NATURE COMMUNICATIONS (2020)

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Article Chemistry, Multidisciplinary

Facile synthesis of MoxC-FeNi@NC with an OER activity superior to RuO2 and IrO2/C

Zailun Liu et al.

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS (2020)

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Article Chemistry, Multidisciplinary

Functionalization of Hollow Nanomaterials for Catalytic Applications: Nanoreactor Construction

Wei Zhu et al.

ADVANCED MATERIALS (2019)

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Review Chemistry, Physical

Porous Organic Polymers for CO2 Storage and Conversion Reactions

Piyali Bhanja et al.

CHEMCATCHEM (2019)

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Article Chemistry, Multidisciplinary

Chemically stable polyarylether-based covalent organic frameworks

Xinyu Guan et al.

NATURE CHEMISTRY (2019)

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Article Chemistry, Multidisciplinary

Constructing Robust Covalent Organic Frameworks via Multicomponent Reactions

Peng-Lai Wang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Article Chemistry, Multidisciplinary

Correlation between Tafel Analysis and Electrochemical Impedance Spectroscopy by Prediction of Amperometric Response from EIS

Kyungsoon Park et al.

ACS OMEGA (2019)

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Article Engineering, Chemical

Free volume enhanced proton exchange membranes from sulfonated triptycene poly(ether ketone)

Lionel C. H. Moh et al.

JOURNAL OF MEMBRANE SCIENCE (2018)

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Suppressing Ion Transfer Enables Versatile Measurements of Electrochemical Surface Area for Intrinsic Activity Comparisons

Youngmin Yoon et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2018)

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Article Multidisciplinary Sciences

Facile transformation of imine covalent organic frameworks into ultrastable crystalline porous aromatic frameworks

Xinle Li et al.

NATURE COMMUNICATIONS (2018)

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Article Chemistry, Physical

Polymer ultrapermeability from the inefficient packing of 2D chains

Ian Rose et al.

NATURE MATERIALS (2017)

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Article Chemistry, Multidisciplinary

Imidazolium- and Triazine-Based Porous Organic Polymers for Heterogeneous Catalytic Conversion of CO2 into Cyclic Carbonates

Hong Zhong et al.

CHEMSUSCHEM (2017)

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Article Chemistry, Multidisciplinary

Hexagonal-Phase Cobalt Monophosphosulfide for Highly Efficient Overall Water Splitting

Zhengfei Dai et al.

ACS NANO (2017)

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Review Chemistry, Multidisciplinary

Trends and challenges for microporous polymers

Nicolas Chaoui et al.

CHEMICAL SOCIETY REVIEWS (2017)

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Article Chemistry, Multidisciplinary

Design Principles for Covalent Organic Frameworks as Efficient Electrocatalysts in Clean Energy Conversion and Green Oxidizer Production

Chun-Yu Lin et al.

ADVANCED MATERIALS (2017)

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Article Chemistry, Multidisciplinary

Decoding the Morphological Diversity in Two Dimensional Crystalline Porous Polymers by Core Planarity Modulation

Arjun Halder et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2016)

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Article Chemistry, Physical

Role of Chain Morphology and Stiffness in Thermal Conductivity of Amorphous Polymers

Teng Zhang et al.

JOURNAL OF PHYSICAL CHEMISTRY B (2016)

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Article Chemistry, Physical

From Hollow Carbon Spheres to N-Doped Hollow Porous Carbon Bowls: Rational Design of Hollow Carbon Host for Li-S Batteries

Fei Pei et al.

ADVANCED ENERGY MATERIALS (2016)

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Review Nanoscience & Nanotechnology

Carbon-based metal-free catalysts

Xien Liu et al.

NATURE REVIEWS MATERIALS (2016)

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Identification of catalytic sites for oxygen reduction and oxygen evolution in N-doped graphene materials: Development of highly efficient metal-free bifunctional electrocatalyst

Hong Bin Yang et al.

SCIENCE ADVANCES (2016)

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Article Chemistry, Physical

Nanoporous Polymers Incorporating Sterically Confined N-Heterocyclic Carbenes for Simultaneous CO2 Capture and Conversion at Ambient Pressure

Siddulu Naidu Talapaneni et al.

CHEMISTRY OF MATERIALS (2015)

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Article Chemistry, Multidisciplinary

Benchmarking of Homogeneous Electrocatalysts: Overpotential, Turnover Frequency, Limiting Turnover Number

Cyrille Costentin et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2015)

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Article Chemistry, Multidisciplinary

Ultrahigh Surface Area Zirconium MOFs and Insights into the Applicability of the BET Theory

Timothy C. Wang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2015)

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Article Chemistry, Multidisciplinary

Stable, crystalline, porous, covalent organic frameworks as a platform for chiral organocatalysts

Hong Xu et al.

NATURE CHEMISTRY (2015)

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Self-templated chemically stable hollow spherical covalent organic framework

Sharath Kandambeth et al.

NATURE COMMUNICATIONS (2015)

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Colloidal RBC-Shaped, Hydrophilic, and Hollow Mesoporous Carbon Nanocapsules for Highly Efficient Biomedical Engineering

Yu Chen et al.

ADVANCED MATERIALS (2014)

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Review Chemistry, Multidisciplinary

Tuning the structure and function of metal-organic frameworks via linker design

Weigang Lu et al.

CHEMICAL SOCIETY REVIEWS (2014)

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Article Chemistry, Multidisciplinary

Hierarchically Porous Nitrogen-Doped Graphene-NiCo2O4 Hybrid Paper as an Advanced Electrocatalytic Water-Splitting Material

Sheng Chen et al.

ACS NANO (2013)

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Review Chemistry, Multidisciplinary

Nucleation of Organic CrystalsA Molecular Perspective

Roger J. Davey et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2013)

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Article Polymer Science

Structure and Morphology Control in Crystalline Polymer-Carbon Nanotube Nanocomposites

Eric D. Laird et al.

MACROMOLECULES (2013)

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Synthesis and Characterization of Porous Benzimidazole-Linked Polymers and Their Performance in Small Gas Storage and Selective Uptake

Mohammad Gulam Rabbani et al.

CHEMISTRY OF MATERIALS (2012)

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Large-Pore Apertures in a Series of Metal-Organic Frameworks

Hexiang Deng et al.

SCIENCE (2012)

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Porous Organic Polymers in Catalysis: Opportunities and Challenges

Parminder Kaur et al.

ACS CATALYSIS (2011)

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Ultrahigh Porosity in Metal-Organic Frameworks

Hiroyasu Furukawa et al.

SCIENCE (2010)

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Effects of impurities on surface morphology: some examples

Ajmi B. H. Hamouda et al.

JOURNAL OF PHYSICS-CONDENSED MATTER (2009)

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Control of Pore Size and Functionality in Isoreticular Zeolitic Imidazolate Frameworks and their Carbon Dioxide Selective Capture Properties

Rahul Banerjee et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2009)

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Nitrogen-Doped Carbon Nanotube Arrays with High Electrocatalytic Activity for Oxygen Reduction

Kuanping Gong et al.

SCIENCE (2009)

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High-throughput synthesis of zeolitic imidazolate frameworks and application to CO2 capture

Rahul Banerjee et al.

SCIENCE (2008)

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Hollowing Sn-doped TiO2 nanospheres via Ostwald ripening

Jing Li et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2007)

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X-shaped rigid arylethynes to mediate the assembly of nanoparticles

I-Im S. Lim et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2007)

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Exceptional H2 saturation uptake in microporous metal-organic frameworks

AG Wong-Foy et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2006)

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Article Multidisciplinary Sciences

Systematic design of pore size and functionality in isoreticular MOFs and their application in methane storage

M Eddaoudi et al.

SCIENCE (2002)

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Morphology Tuning via Linker Modulation: Metal-Free Covalent Organic Nanostructures with Exceptional Chemical Stability for Electrocatalytic Water Splitting

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