Advancing Ion Selective Membranes with Micropore Ion Channels in the Interaction Confinement Regime

ACS Nano, Год журнала: 2024, Номер 18(8), С. 6016 - 6027

Опубликована: Фев. 13, 2024

Ion exchange membranes allowing the passage of charge-carrying ions have established their critical role in water, environmental, and energy-relevant applications. The design strategies for high-performance ion evolved beyond creating microphase-separated membrane morphologies, which include advanced to ion-selective membranes. properties functions been repeatedly updated by emergence materials with subnanometer-sized pores understanding movement under confined micropore channels. These research progresses motivated researchers consider even greater aims field, i.e., replicating channels living cells exotic or at least targeting fast ion-specific transmembrane conduction. To help realize such goals, we briefly outline comment on fundamentals rationally designing pore ultrafast specific conduction, architecture/chemistry, materials. Challenges are discussed, perspectives outlooks given.

Язык: Английский

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Polymer photocatalysts for photocatalytic hydrogen peroxide production

Green Chemistry, Год журнала: 2024, Номер 26(11), С. 6382 - 6403

Опубликована: Янв. 1, 2024

Hydrogen peroxide (H 2 O ), as a mild oxidant and promising liquid fuel, has widespread application potential in energy environment fields.

Язык: Английский

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Crystalline Covalent Triazine Frameworks and 2D Triazine Polymers: Synthesis and Applications

Accounts of Chemical Research, Год журнала: 2025, Номер unknown

Опубликована: Янв. 24, 2025

ConspectusCovalent triazine frameworks (CTFs) are a novel class of nitrogen-rich conjugated porous organic materials constructed by robust and functional linkages, which possess unique structures excellent physicochemical properties. They have demonstrated broad application prospects in gas/molecular adsorption separation, catalysis, energy conversion storage, etc. In particular, crystalline CTFs with well-defined periodic molecular network regular pore channels can maximize the utilization features promote deep understanding structure-property relationship. However, due to poor reversibility basic reaction for constructing unit traditional harsh synthesis conditions, it remains considerable challenge synthesize diverse structures, there is still significant lack their polymerization mechanism, limits precise structural design, large-scale preparation, practical applications. As building block bulk CTFs, two-dimensional polymers (2D-TPs) ideally single-atom thickness also aroused intensive interest ultrathin 2D sheet morphology flexibility, fully exposed plane active sites, dispersibility processability. efficient scalable production high-quality 2D-TPs investigation properties functions remain largely unexplored.In this Account, we summarize our recent contributions exploration 2D-TPs. We first introduce synthesis, mechanism CTFs. order successively used series new synthetic methods including solution strategy, microwave-assisted superacid-catalyzed polyphosphoric acid-catalyzed solvent-free FeCl3-catalyzed achieving highly layered from gram level hundred-gram then kilogram realizing CTF structures. reveal direct ordered that provided meaningful guidance controllable preparation Next, formation developed effective bottom-up top-down strategies prepare different needs. On one hand, established dynamic interface method, monomer-dependent salt-catalyzed strategy down single-layer limit important insights into mechanism. other opened up physical chemical exfoliation such as liquid sonication ball milling covalent noncovalent modification Then, present progress various batteries, photo/electrocatalysis, adsorbents an emphasis on outstanding performance Lastly, main challenges faced applications future research directions discussed detail. hope Account will provide valuable promoting development framework polymer materials.

Язык: Английский

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Modulating the D‐π‐A Interactions in Metal‐Covalent Organic Frameworks for Efficient Electroreduction of CO₂ into Formate

Angewandte Chemie International Edition, Год журнала: 2024, Номер 63(32)

Опубликована: Май 23, 2024

Abstract Crystalline porous framework materials have attracted tremendous interest in electrocatalytic CO 2 reduction owing to their ordered structures and high specific surface areas as well rich designability, however, still suffer from a lack of accuracy regulating the binding strength between catalytic sites intermediates, which is crucial for optimizing activity expanding product types. Herein, we report three new kinds vinylene‐linked metal‐covalent organic frameworks (TMT‐CH 3 ‐MCOF, TMP‐CH ‐MCOF TMP‐MCOF) with continuously tunable D‐π‐A interactions by adjusting structure monomers at molecular level realizing efficient electroreduction formate first time. Interestingly, compared TMT‐CH TMP‐MCOF, exhibited highest HCOO − Faradaic efficiency (FE HCOO‐ ) 95.6 % −1.0 V vs RHE displayed FE above 90 voltage range −1.2 vs. RHE, one among various reported electrocatalysts. Theoretical calculations further reveal that unique moderate suitable ability towards reaction intermediate, beneficial formation *HCOO desorption *HCOOH, thus effectively promoting formate.

Язык: Английский

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Structure–fire-retardant property correlations in biodegradable polymers

Applied Physics Reviews, Год журнала: 2024, Номер 11(3)

Опубликована: Сен. 1, 2024

Because of widespread public concern about plastic waste treatment and recycling, there is a global trend toward replacing non-biodegradable polymers with biodegradable polymers. However, the inherent flammability most presents significant barrier to their potential application, necessitating rapid development fire-retardant Herein, three major categories fire retardants (FRs), including intrinsic FRs, additive coatings, especially widely studied FRs in organic, inorganic, inorganic–organic, are reviewed, revealing how physical chemical structures affect efficiency concluding influencing factors retardance from perspective FRs. This work provides fundamental data mechanistic analyses for parameters by integrating/adding diverse types provide guidance fabricating highly efficient polymer materials inspiring future research application functional circular economy greater sustainability.

Язык: Английский

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Recent Advancements in Hybrid Two Dimensional Materials for Energy Applications

ES Energy & Environments, Год журнала: 2024, Номер unknown

Опубликована: Янв. 1, 2024

This article detail about two-dimensional boron nitride as multifunctional material for enhancing conversion and energy storing technologies that makes it an outstanding in area, this will lead to more efficiency, durability, environmentally friendly solutions the future.

Язык: Английский

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Hybrid materials based on covalent organic frameworks for photocatalysis

InfoMat, Год журнала: 2024, Номер unknown

Опубликована: Дек. 9, 2024

Abstract Covalent organic frameworks (COFs) feature π‐conjugated structure, high porosity, structural regularity, large specific surface area, and good stability, being considered as ideal platform for photocatalytic application. Although single COFs have achieved significant progress in photocatalysis benefiting from their distinctive properties, the COFs‐based hybrids provide an extraordinary opportunity to achieve superior performance. From perspective of carrier transfer mechanism, a systematic summary based on other functional materials (metal atoms, metal clusters/nanoparticles, inorganic semiconductors, metal–organic frameworks, polymers) can offer valuable guidance design hybrids. In this review, mechanism hybrid (such Schottky junction, type II heterojunction, Z‐scheme S‐scheme heterojunction) is briefly introduced. Subsequently, performance water splitting, CO 2 reduction, pollutant degradation are comprehensively reviewed. Specifically, separation different types highlighted. Finally, challenges prospects envisaged. The insights presented review expected be helpful rational obtain outstanding activity. image

Язык: Английский

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Living Cell-Mediated Self-Assembly: From Monomer Design and Morphology Regulation to Biomedical Applications

ACS Nano, Год журнала: 2025, Номер unknown

Опубликована: Янв. 8, 2025

The self-assembly of molecules into highly ordered architectures is a ubiquitous and natural process, wherein spontaneously organize large structures to perform diverse functions. Drawing inspiration from the formation nanostructures, cell-mediated has been developed create functional assemblies both inside outside living cells. These techniques have employed regulate cellular world by leveraging dynamic intracellular extracellular microenvironment. This review highlights recent advances future trends in self-assembly, ranging their cytocompatible monomer designs, synthetic strategies, morphological control applications. assembly behaviors are also discussed based on dimensionality self-assembled morphologies zero three dimensions. Finally, this explores its promising potential for biomedical applications, clarifying relationship between initial regulation therapeutic effects subsequent artificial assemblies. Through rationally designing molecular precisely controlling morphologies, cell mediated would provide an innovative platform executing biological

Язык: Английский

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Augmenting donor–acceptor covalent triazine frameworks for enhancing photocatalytic selective oxidation of sulfides

Applied Catalysis B Environment and Energy, Год журнала: 2025, Номер unknown, С. 125147 - 125147

Опубликована: Фев. 1, 2025

Язык: Английский

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Van Der Waals Hybrid Integration of 2D Semimetals for Broadband Photodetection

Advanced Materials, Год журнала: 2025, Номер unknown

Опубликована: Фев. 13, 2025

Abstract Hybrid heterostructures are pivotal in the advanced broadband detection technology. The emergence of 2D semimetals has expanded range materials beyond conventional narrow‐gap for room‐temperature applications due to their extraordinary optical and electrical properties. This review outlines cutting‐edge latest advancements photodetectors (PDs) engineered from that synergistically combine with several different dimensional materials. It begins a fundamental investigation, offering an in‐depth explanation essential material properties summary synthesis methodologies. Then, discussion advances provide analytical overview categorization, underlying photodetection mechanism, figures‐of‐merit these PDs. Subsequently, narrative shifts comprehensive analysis heterogeneous integrated devices. further highlights diverse optoelectronic PDs, spanning image sensing, communication, position‐sensitive detection, sensing computing, spintronics, computational spectroscopy thoroughly highlighted. Finally, concludes by addressing challenges opportunities advancing semimetal photodetection.

Язык: Английский

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