☆ 4.7 Article

A novel 3D sp(2) carbon-linked covalent organic framework as a platform for efficient electro-extraction of uranium

SCIENCE CHINA-CHEMISTRY (2023)

Related references

Note: Only part of the references are listed.

Article Engineering, Environmental

Amyloid-like coatings decorated electrodes boost the uranium electro-adsorption from seawater

Hao Ye et al.

Summary: This study investigates the modification of electrodes to improve uranium extraction from seawater and mitigate the effects of marine microorganisms and pollutants. The findings provide guidance for the practical application of electro-adsorption and design strategies for uranium extraction adsorbents.

CHEMICAL ENGINEERING JOURNAL (2023)

Add to Collection

Article Chemistry, Multidisciplinary

Local Spatial Polarization Induced Efficient Charge Separation of Squaraine-Linked COF for Enhanced Photocatalytic Performance

Haijie Ben et al.

Summary: Local charge polarization induced by intrinsic zwitterionic resonance structure effectively redistributes and separates charge carriers in photocatalysts, leading to enhanced photocatalytic activities. The novel SQ-COF-1 catalyst with the largest local polarization exhibits superior visible-light-driven photocatalytic performance compared to SQ-COF-2, PDA-COF, and common polymeric carbon nitride photocatalyst. This work presents a promising protocol for engineering charge behavior to advance the design of high-performance photocatalytic materials in the future.

ADVANCED FUNCTIONAL MATERIALS (2022)

Add to Collection

Article Engineering, Environmental

rGO-based covalent organic framework hydrogel for synergistically enhance uranium capture capacity through photothermal desalination

Cheng-Rong Zhang et al.

Summary: The three-dimensional porous structure hydrogel (KTG) enhances uranium capture capacity through photothermal desalination, achieving exceptional uranium capture capacity under one sun irradiation, with high antibiofouling activity and good reusability.

CHEMICAL ENGINEERING JOURNAL (2022)

Add to Collection

Article Chemistry, Physical

Unassisted Uranyl Photoreduction and Separation in a Donor- Acceptor Covalent Organic Framework

Yiting Song et al.

Summary: The donor-acceptor covalent organic framework TTT-DTDA was found to have long-lived excited states, allowing for direct photoreduction of uranium. Illumination in solutions containing only uranyl ions produced crystalline uranyl peroxide species on the COF. TTT-DTDA COF showed high selectivity for uranium and recyclability in competing ion experiments.

CHEMISTRY OF MATERIALS (2022)

Add to Collection

Article Chemistry, Multidisciplinary

Three-Dimensional sp2 Carbon-Linked Covalent Organic Frame-works as a Drug Carrier Combined with Fluorescence Imaging

Li Liao et al.

Summary: In this study, novel three-dimensional sp(2) carbon-linked COFs were synthesized through the formation reaction of C=C bonds and their application in fluorescence imaging was investigated. The results showed that these COFs exhibited high stability and excellent light-emitting properties, making them potential drug carriers and cell fluorescent stains.

CHINESE JOURNAL OF CHEMISTRY (2022)

Add to Collection

Article Engineering, Environmental

A conveniently synthesized redox-active fluorescent covalent organic framework for selective detection and adsorption of uranium

Cheng-Peng Niu et al.

Summary: TFPPy-BDOH is a fluorescent covalent organic framework material with excellent selectivity for uranium and high adsorption capacity, capable of rapid and low-limit detection of uranium. Its core structural features are the regular porous channel structures and excellent hydrophilicity.

JOURNAL OF HAZARDOUS MATERIALS (2022)

Add to Collection

Article Chemistry, Multidisciplinary

Covalent organic frameworks catalyzed by organic Lewis acid

Xiangqian Shi et al.

Summary: This study reports the synthesis of covalent organic framework (COF) crystals using organic Lewis acid instead of conventional Bronsted acid or inorganic Lewis acid. The versatility of organic Lewis acid as a catalyst is demonstrated by the high crystallinity and porosity of the obtained COFs. The steric effect of bulky organic Lewis acid is found to be critical for the production of a specific COF, providing a new way to regulate the topology of COFs and their future design.

SCIENCE CHINA-CHEMISTRY (2022)

Add to Collection

Article Chemistry, Multidisciplinary

Successive construction of cucurbit[8]uril-based covalent organic frameworks from a supramolecular organic framework through photochemical reactions in water

Yawen Li et al.

Summary: In this research, we report the construction of two covalent organic frameworks (COFs) using a supramolecular organic framework (SOF) as a prearranged structure via photochemical reactions. The resulting COF-1 and COF-2 exhibit different photophysical properties due to their different reaction processes. Additionally, COF-1 displays a sensitive negative circular dichroism response to biomolecules in water.

SCIENCE CHINA-CHEMISTRY (2022)

Add to Collection

Editorial Material Chemistry, Multidisciplinary

Strategies in constructing covalent organic framework membranes for molecular sieving

Jie Li et al.

SCIENCE CHINA-CHEMISTRY (2022)

Add to Collection

Article Chemistry, Multidisciplinary

Constructing dual-functional porphyrin-based thorium metal-organic framework toward photocatalytic uranium(VI) reduction integrated with organic oxidation

Zhi Gao et al.

Summary: This study successfully couples photocatalytic reduction and oxidative organic synthesis in one system, using a novel extended pi-conjugated framework to enhance the catalyst's activity, and addresses radioactive environmental pollution using an atomic economy strategy.

SCIENCE CHINA-CHEMISTRY (2022)

Add to Collection

Editorial Material Chemistry, Multidisciplinary

Mixed-dimensional covalent organic framework membrane toward sustainable desalination

Xiaofang Chen et al.

SCIENCE CHINA-CHEMISTRY (2022)

Add to Collection

Article Chemistry, Multidisciplinary

Highly Efficient Electrocatalytic Uranium Extraction from Seawater over an Amidoxime-Functionalized In-N-C Catalyst

Xiaolu Liu et al.

Summary: Seawater contains uranium at a concentration of approximately 3.3 ppb, making it a valuable and sustainable nuclear fuel source. This study developed an adsorption-electrocatalytic platform for extracting uranium from seawater using atomically dispersed indium anchored on hollow nitrogen-doped carbon capsules functionalized with flexible amidoxime moieties. The platform showed excellent uranyl capture properties and high selectivity for uranium extraction over vanadium in seawater. X-ray absorption spectroscopy and in situ Raman results provided detailed insights into the molecular mechanism of uranium extraction. This work contributes to the growing suite of technologies for harvesting valuable metals from the earth's oceans.

ADVANCED SCIENCE (2022)

Add to Collection

Article Chemistry, Multidisciplinary

Functionalized Iron-Nitrogen-Carbon Electrocatalyst Provides a Reversible Electron Transfer Platform for Efficient Uranium Extraction from Seawater

Hui Yang et al.

Summary: The study demonstrates an adsorption-electrocatalysis strategy using a functionalized iron-nitrogen-carbon catalyst for efficient uranium extraction from seawater, reducing uranium concentration to very low levels and providing technological innovation in this field.

ADVANCED MATERIALS (2021)

Add to Collection

Article Chemistry, Physical

Rational design of covalent organic frameworks as a groundbreaking uranium capture platform through three synergistic mechanisms

Wei-Rong Cui et al.

Summary: This study presents a method using covalent organic framework for the selective capture and reduction of uranium, achieving a high uranium capture capacity. DHBD-TMT shows efficient uranium adsorption in both dark and light conditions, with excellent photocatalytic activity.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

Add to Collection

Article Chemistry, Multidisciplinary

3D Thioether-Based Covalent Organic Frameworks for Selective and Efficient Mercury Removal

Yiying Zhang et al.

Summary: The study reports the use of thioether-based 3D COFs for mercury removal, demonstrating high adsorption capacity, speed, and selectivity. Particularly, JUC-570 shows exceptional chemical stability and cycling performance, offering a new method for constructing stable functionalized 3D COFs.

SMALL (2021)

Add to Collection

Article Engineering, Environmental

Tunable perylene-based donor-acceptor conjugated microporous polymer to significantly enhance photocatalytic uranium extraction from seawater

Fengtao Yu et al.

Summary: A molecular engineering strategy was introduced to enhance the photocatalytic performance of donor-acceptor conjugated microporous polymers for U(VI) reduction. Two new polymers, ECUTCO and ECUT-SO, were designed with tailored acceptors, with ECUT-SO achieving ultrahigh photocatalytic performance for uranium (VI) reduction. Experiments and DFT calculations showed the high dependence of photocatalytic activity on the acceptors, with ECUT-SO demonstrating optimized visible-light response, excellent photo-exciton separation, and stronger coordination sites for UO22+.

CHEMICAL ENGINEERING JOURNAL (2021)

Add to Collection

Article Engineering, Environmental

Photothermal enhancement of uranium capture from seawater by monolithic MOF-bonded carbon sponge

Tao Liu et al.

Summary: The development of a monolithic MOF adsorbent with photothermally enhancing uranium adsorption capacity resulted in a 32.37% increase in uranium adsorption from natural seawater under simulated solar irradiation. The UiO-66-NH2@CS-PDA adsorbents demonstrated high selectivity, high affinity, and cycling stability, holding great promise for extracting uranium from the natural seawater.

CHEMICAL ENGINEERING JOURNAL (2021)

Add to Collection

Article Environmental Sciences

An asymmetric pulsed current-assisted electrochemical method for Sr(II) extraction using supramolecular composites

Wenwen Wang et al.

Summary: The study developed an asymmetric pulsed current-assisted electrochemical method for extracting Sr(II) from seawater, which showed higher removal efficiency and adsorption capacity compared to traditional methods.

CHEMOSPHERE (2021)

Add to Collection

Article Chemistry, Multidisciplinary

Uranium In Situ Electrolytic Deposition with a Reusable Functional Graphene-Foam Electrode

Chao Wang et al.

Summary: An in situ electrolytic deposition method using 3D-FrGOF as the working electrode for extracting uranium from aqueous solution is reported, showing high efficiency and low energy consumption. The method successfully reduces uranium concentration in seawater to below US EPA drinking water limits, with the electrode being efficiently regenerated and recycled multiple times.

ADVANCED MATERIALS (2021)

Add to Collection

Article Chemistry, Multidisciplinary

Alkynyl-Based sp2 Carbon-Conjugated Covalent Organic Frameworks with Enhanced Uranium Extraction from Seawater by Photoinduced Multiple Effects

Cheng-Rong Zhang et al.

Summary: A novel amidoxime (AO) crystalline covalent organic framework (BD-TN-AO) with highly conjugated structure and excellent photocatalytic activity is reported, which exhibits high anti-biofouling activity and efficient extraction of uranium from seawater. The framework's outstanding photoinduced effects lead to a high uranium adsorption capacity under simulated sunlight irradiation in microorganism-containing natural seawater.

CCS CHEMISTRY (2021)

Add to Collection

Article Engineering, Environmental

Bio-inspired hydroxylation imidazole linked covalent organic polymers for uranium extraction from aqueous phases

Run-Han Yan et al.

Summary: This study developed a series of adsorbents for uranium extraction inspired by the interaction between imidazole affinity ligand of histidine and uranium. The covalent organic polymers showed promising extraction abilities with high selectivity for uranium, highlighting the potential for environmental protection and human health. The synergistic effects between hydroxyl groups and imidazole linkages contributed to the high efficiency of uranium extraction.

CHEMICAL ENGINEERING JOURNAL (2021)

Add to Collection

Article Chemistry, Multidisciplinary

A Three-Dimensional sp(2) Carbon-Conjugated Covalent Organic Framework

Shitao Wang et al.

Summary: A 3D COF material with high electron mobility and a ferromagnetic phase transition phenomenon was synthesized for the first time, opening up new possibilities for applications in COF materials.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

Add to Collection

Article Chemistry, Multidisciplinary

Constructing Uranyl-Specific Nanofluidic Channels for Unipolar Ionic Transport to Realize Ultrafast Uranium Extraction

Zeyu Wang et al.

Summary: The study achieved high-speed capturing of uranyl ions from seawater by introducing specific support pillars in graphene sheets, resulting in rapid adsorption with high capacity. The charge-governed region facilitated ion transport, providing a new approach for uranium extraction.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

Add to Collection

Article Chemistry, Physical

Covalent organic framework hydrogels for synergistic seawater desalination and uranium extraction

Wei-Rong Cui et al.

Summary: A covalent organic framework hydrogel, named CPP, is reported as a synergistic platform for seawater desalination and uranium extraction, showing exceptional evaporation rate and uranium extraction capacity. The hydrogel network and microporous channels of CPP provide adequate water transport, improve mass transfer of uranyl ions, and increase binding sites for uranyl ions. Additionally, CPP utilizes interfacial solar heating to limit heat, increase solar energy utilization, and accelerate coordination between uranium and binding sites, leading to high anti-biofouling activity and efficient solar desalination and uranium extraction. The connection between freshwater and nuclear energy is realized in this new material, providing an opportunity to meet the growing needs of mankind.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

Add to Collection

Article Chemistry, Multidisciplinary

Vinylene-Linked Two-Dimensional Covalent Organic Frameworks: Synthesis and Functions

Shunqi Xu et al.

Summary: Two-dimensional covalent organic frameworks (2D COFs) are attracting significant attention for their unique properties and applications in optoelectronics, energy storage, and conversion. The incorporation of molecular building blocks allows for the synthesis of organic materials with designable properties. Specifically, 2D pi-conjugated COFs (2D-c-COFs) offer extended pi-conjugations and porous channels for electron transport and catalysis.

ACCOUNTS OF MATERIALS RESEARCH (2021)

Add to Collection

Article Nanoscience & Nanotechnology

Skeleton Engineering of Homocoupled Conjugated Microporous Polymers for Highly Efficient Uranium Capture via Synergistic Coordination

Lei Zhang et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

Add to Collection

Article Chemistry, Multidisciplinary

Redox-Active Two-Dimensional Covalent Organic Frameworks (COFs) for Selective Reductive Separation of Valence-Variable, Redox-Sensitive and Long-Lived Radionuclides

Yang Li et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Add to Collection

Article Multidisciplinary Sciences

Regenerable and stable sp2 carbon-conjugated covalent organic frameworks for selective detection and extraction of uranium

Wei-Rong Cui et al.

NATURE COMMUNICATIONS (2020)

Add to Collection

Article Chemistry, Multidisciplinary

Constructing an Ion Pathway for Uranium Extraction from Seawater

Zeyu Wang et al.

CHEM (2020)

Add to Collection

Article Chemistry, Multidisciplinary

Spidroin-Inspired, High-Strength, Loofah-Shaped Protein Fiber for Capturing Uranium from Seawater

Qiuhan Yu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Add to Collection

Article Engineering, Environmental

Stable sp2 carbon-conjugated covalent organic framework for detection and efficient adsorption of uranium from radioactive wastewater

Fang-Fang Li et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

Add to Collection

Article Chemistry, Multidisciplinary

Construction of covalent organic framework with unique double-ring pore for size-matching adsorption of uranium

Jie Zhang et al.

NANOSCALE (2020)

Add to Collection

Article Chemistry, Multidisciplinary

Simultaneous sensitive detection and rapid adsorption of UO22+ based on a post-modified sp2 carbon-conjugated covalent organic framework

Cheng-Rong Zhang et al.

ENVIRONMENTAL SCIENCE-NANO (2020)

Add to Collection

Article Chemistry, Multidisciplinary

Designed Synthesis of a 2D Porphyrin-Based sp2 Carbon-Conjugated Covalent Organic Framework for Heterogeneous Photocatalysis

Rufan Chen et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

Add to Collection

Article Chemistry, Multidisciplinary

Amidoxime-Functionalized Macroporous Carbon Self-Refreshed Electrode Materials for Rapid and High-Capacity Removal of Heavy Metal from Water

Tong Wu et al.

ACS CENTRAL SCIENCE (2019)

Add to Collection

Article Chemistry, Multidisciplinary

Sunlight Polymerization of Poly(amidoxime) Hydrogel Membrane for Enhanced Uranium Extraction from Seawater

Chunxin Ma et al.

ADVANCED SCIENCE (2019)

Add to Collection

Article Chemistry, Multidisciplinary

Ammoniating Covalent Organic Framework (COF) for High-Performance and Selective Extraction of Toxic and Radioactive Uranium Ions

Xiao Hong Xiong et al.

ADVANCED SCIENCE (2019)

Add to Collection

Article Chemistry, Multidisciplinary

Three Mechanisms in One Material: Uranium Capture by a Polyoxo-metalate-Organic Framework through Combined Complexation, Chemical Reduction, and Photocatalytic Reduction

Hailong Zhang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

Add to Collection

Article Chemistry, Multidisciplinary

Inside Cover: Synergistic N-Heterocyclic Carbene/Palladium-Catalyzed Umpolung 1,4-Addition of Aryl Iodides to Enals (Angew. Chem. Int. Ed. 1/2020)

Wenjun Yang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

Add to Collection

Article Chemistry, Multidisciplinary

Synthesis of ordered mesoporous carbonaceous materials and their highly efficient capture of uranium from solutions

Chenlu Zhang et al.

SCIENCE CHINA-CHEMISTRY (2018)

Add to Collection

Article Chemistry, Multidisciplinary

Covalent Organic Frameworks as a Decorating Platform for Utilization and Affinity Enhancement of Chelating Sites for Radionuclide Sequestration

Qi Sun et al.

ADVANCED MATERIALS (2018)

Add to Collection

Article Chemistry, Multidisciplinary

Postsynthetic Functionalization of Three-Dimensional Covalent Organic Frameworks for Selective Extraction of Lanthanide Ions

Qiuyu Lu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

Add to Collection

Article Engineering, Environmental

Graphene-synergized 2D covalent organic framework for adsorption: A mutual promotion strategy to achieve stabilization and functionalization simultaneously

Rui Wen et al.

JOURNAL OF HAZARDOUS MATERIALS (2018)

Add to Collection

Article Chemistry, Multidisciplinary

Exploring fluorescent covalent organic frameworks for selective sensing of Fe3+

Lu-Liang Wang et al.

SCIENCE CHINA-CHEMISTRY (2018)

Add to Collection

Article Multidisciplinary Sciences

Bio-inspired nano-traps for uranium extraction from seawater and recovery from nuclear waste

Qi Sun et al.

NATURE COMMUNICATIONS (2018)

Add to Collection

Article Multidisciplinary Sciences

Designed synthesis of stable light-emitting two-dimensional sp(2) carbon-conjugated covalent organic frameworks

Enquan Jin et al.

NATURE COMMUNICATIONS (2018)

Add to Collection

Article Multidisciplinary Sciences

An AIEgen-based 3D covalent organic framework for white light-emitting diodes

Huimin Ding et al.

NATURE COMMUNICATIONS (2018)

Add to Collection

Article Chemistry, Multidisciplinary

A 3D Covalent Organic Framework with Exceptionally High Iodine Capture Capability

Chang Wang et al.

CHEMISTRY-A EUROPEAN JOURNAL (2018)

Add to Collection

Article Engineering, Environmental

Highly Sensitive and Selective Uranium Detection in Natural Water Systems Using a Luminescent Mesoporous Metal-Organic Framework Equipped with Abundant Lewis Basic Sites: A Combined Batch, X-ray Absorption Spectroscopy, and First Principles Simulation Investigation

Wei Liu et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2017)

Add to Collection

Article Multidisciplinary Sciences

Two-dimensional sp2 carbon-conjugated covalent organic frameworks

Enquan Jin et al.

SCIENCE (2017)

Add to Collection

Article Multidisciplinary Sciences

Overcoming the crystallization and designability issues in the ultrastable zirconium phosphonate framework system

Tao Zheng et al.

NATURE COMMUNICATIONS (2017)

Add to Collection

Article Energy & Fuels

A half-wave rectified alternating current electrochemical method for uranium extraction from seawater

Chong Liu et al.

NATURE ENERGY (2017)

Add to Collection

Article Chemistry, Multidisciplinary

Internal Functionalization of Three-Dimensional Covalent Organic Frameworks

David N. Bunck et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2012)

Add to Collection

© Peeref 2019-2024. All rights reserved.