Synergistic removal of organic pollutants by Co-doped MIL-53(Al) composite through the integrated adsorption/photocatalysis

Article Chemistry, Physical

Structure defined 2D Mo2C/2Dg-C3N4 Van der Waals heterojunction: Oriented charge flow in-plane and separation within the interface to collectively promote photocatalytic degradation of pharmaceutical and personal care products

Yin Zhou et al.

Summary: The research team has developed a 2D/2D Mo2C/g-C3N4 Van der Waals heterojunction photocatalyst that can efficiently degrade PPCPs, providing a green strategy for typical PPCPs removal.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Article Environmental Sciences

Fabrication of a dual S-scheme Bi7O9I3/g-C3N4/Bi3O4Cl heterojunction with enhanced visible-light-driven performance for phenol degradation

Ye Yuan et al.

Summary: The study successfully synthesized a ternary Bi7O9I3/g-C3N4/Bi3O4Cl photocatalytic system for the degradation of phenol, achieving a high TOC removal rate. Experimental results determined the apparent rate constant for phenol decay to be 0.0211 min(-1), and proposed a possible degradation pathway.

CHEMOSPHERE (2022)

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Article Environmental Sciences

One-step fabrication of novel MIL-53(Fe, Al) for synergistic adsorption-photocatalytic degradation of tetracycline

Xueqi Chen et al.

Summary: Bimetallic MOFs (MIL-53 (Fe, Al)) were fabricated via a one-step solvothermal method and showed excellent performance in the removal of tetracycline from aqueous solutions. The optimum molar ratio of the bimetallic synthetic was found to be 3:2 (40%MIL-53(Fe, Al)). The 40%MIL-53(Fe, Al) catalyst exhibited high adsorption capacity and photocatalytic synergy, and maintained good stability after multiple cycles.

CHEMOSPHERE (2022)

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Article Green & Sustainable Science & Technology

Anchoring nanosized MOFs at the interface of porous millimeter beads and their enhanced adsorption mechanism for VOCs

Yuting Zhang et al.

Summary: In this study, an in-situ phase inversion-hydrothermal method was used to anchor nanosized metal organic frameworks (MOFs) onto porous polymeric beads. The resulting MIL-101@PES Beads showed shorter transmission paths and more exposed active sites, leading to excellent removal ability and reusability for volatile organic compounds (VOCs). The study demonstrates a novel protocol for the synthesis of shaped nanosized MOFs with enhanced performance in VOCs removal.

JOURNAL OF CLEANER PRODUCTION (2022)

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Article Chemistry, Inorganic & Nuclear

Cu-doped MIL-101(Fe) with enhanced photocatalytic nitrogen fixation performance

Zhipeng Zhang et al.

Summary: Cu-doped MIL-101(Fe) has been used for the first time in photocatalytic nitrogen fixation, showing three times higher activity compared to MIL-101(Fe). The Cu doping not only increases the specific surface area and photoreduction capability, but also enhances nitrogen adsorption and activation capacity. The combination of metal ions doping and components regulation of MOFs provides future opportunities to enhance photocatalytic nitrogen fixation activity.

JOURNAL OF SOLID STATE CHEMISTRY (2022)

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Article Engineering, Chemical

S-scheme heterojunction g-C3N4/Ag/AgNCO for efficient tetracycline removal in a photo-assisted peroxymonosulfate system

Hongjun Fang et al.

Summary: The g-C3N4/Ag/AgNCO heterojunction demonstrates enhanced catalytic performance in degrading tetracycline in sewage, with improved light absorption and rapid charge separation/transport. The active species in tetracycline degradation synergistically function in the degradation process.

SEPARATION AND PURIFICATION TECHNOLOGY (2022)

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Article Engineering, Chemical

Constructing a plasmonic p-n heterojunction photocatalyst of 3D Ag/Ag6Si2O7/Bi2MoO6 for efficiently removing broad-spectrum antibiotics

Shijie Li et al.

Summary: The development of an effective plasmonic p-n heterojunction catalyst has shown remarkable photocatalytic performance in degrading broad-spectrum antibiotics, enriching the possibility of applying photocatalytic technology to treat wastewater containing pharmaceutical antibiotics.

SEPARATION AND PURIFICATION TECHNOLOGY (2021)

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Article Nanoscience & Nanotechnology

Two-Dimensional Conductive Metal-Organic Frameworks as Highly Efficient Electrocatalysts for Lithium-Sulfur Batteries

Junru Wang et al.

Summary: The study identified specific 2D metal-organic frameworks that can effectively suppress the dissolution and shuttling of LiPSs, showing good electrical conductivity and high sulfur loading, which are important for overcoming the challenges faced by LiSBs.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Physical

Heterogeneous activation of peroxymonosulfate by cobalt-doped MIL-53 (Al) for efficient tetracycline degradation in water: Coexistence of radical and non-radical reactions

Fang Liu et al.

Summary: Compared with homogeneous catalytic systems, heterogeneous catalytic systems based on transition metal-doped MOFs show stability and efficient utilization of transition metals. The Co-MIL-53(Al) sample synthesized by solvent thermal method demonstrated optimal removal of TC in water when activated by PMS. The degradation mechanism mainly involved sulfate radicals and singlet oxygen, showing potential as a promising catalyst for TC degradation.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

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Article Chemistry, Physical

Flower-like CoAl layered double hydroxides modified with CeO2 and RGO as efficient photocatalyst towards CO2 reduction

Zhao Li et al.

Summary: A series of CeO2 and RGO stepwise-doped CoAl-LDH composites were synthesized using a simple yet effective in situ hydrothermal method, with the sample of CAC-5-R-10 demonstrating the highest CO2 photoreduction catalytic efficiency.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Engineering, Environmental

Peroxymonosulfate activation through 2D/2D Z-scheme CoAl-LDH/BiOBr photocatalyst under visible light for ciprofloxacin degradation

Chun Liu et al.

Summary: The study synthesized a highly efficient photocatalyst and investigated its photocatalytic degradation performance under different conditions, with the 8 wt% CoAl-LDH/BiOBr composite showing the highest degradation efficiency.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Engineering, Chemical

Strategic combination of nitrogen-doped carbon quantum dots and g-C3N4: Efficient photocatalytic peroxydisulfate for the degradation of tetracycline hydrochloride and mechanism insight

Haoyun Chen et al.

Summary: Photo-assisted peroxydisulfate (PDS) activation has shown great potential in pollution control, and in this study, a metal-free nitrogen-doped carbon quantum dots (N-CQDs) modified g-C3N4 composite was used to effectively remove tetracycline hydrochloride (HTC) in wastewater under visible light. The combination of PDS and N-CQDs acted as electron acceptors, transferring photogenerated charges and successfully activating PDS for pollutant degradation. The up-conversion effect of N-CQDs contributed to enhanced visible light absorption, providing an innovative approach for synthesizing binary metal-free carbonaceous photocatalysts.

SEPARATION AND PURIFICATION TECHNOLOGY (2021)

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Article Engineering, Chemical

Hydrangea-like nitrogen-doped porous carbons derived from NH2-MIL-53 (Al) for high-performance capacitive deionization

Mingzhu Zong et al.

Summary: Capacitive deionization (CDI) is limited by the low adsorption capacity of electrode materials, and researchers have developed a high-performance electrode material - hydrangea-like nitrogen-doped porous carbons (HNPC-900), which shows excellent electrochemical performance and high adsorption ability, demonstrating strong potential for application in CDI field.

SEPARATION AND PURIFICATION TECHNOLOGY (2021)

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Article Chemistry, Physical

Imide modification coupling with NH2-MIL-53(Fe) boosts the photocatalytic performance of graphitic carbon nitride for efficient water remediation

Xiaosi Wang et al.

Summary: Perylene diimide (PDI) was introduced into the framework of g-C3N4 to build a polymer with a donor-acceptor structure, optimizing the energy band structure and increasing visible light responsiveness. This modification also led to an increased exposure of reactive sites, resulting in superior performance in the photodegradation of organic pollutants in wastewater treatment.

JOURNAL OF CATALYSIS (2021)

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Article Chemistry, Physical

Highly efficient activation of peroxymonosulfate by Co3O4/Bi2WO6 p-n heterojunction composites for the degradation of ciprofloxacin under visible light irradiation

Jie Sun et al.

Summary: The study constructed a Co3O4/Bi2WO6 composite to activate PMS for the degradation of ciprofloxacin under visible light irradiation, showing excellent degradation performance. This work not only provides an approach to fabricate heterostructures but also indicates a potential environment remediation alternative for the efficient removal of recalcitrant organic compounds from wastewaters.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

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Article Chemistry, Physical

Gear-shaped mesoporous NH2-MIL-53(Al)/CdS P-N heterojunctions as efficient visible-light-driven photocatalysts

Huanan Zhao et al.

Summary: NH2-MIL-53(Al)/CdS p-n heterojunctions were fabricated using a simple two-step hydrothermal method, showing high photocatalytic efficiency for Cr(VI) reduction and trichlorophenol removal under visible light irradiation. The efficient charge transfer and spatial charge separation in the heterojunctions, along with the unique mesoporous structure, contribute to the excellent photocatalytic activity.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Inorganic & Nuclear

Facile synthesis of cobalt doped BiOCl ultrathin nanosheets as superior photocatalyst for degradation of carbamazepine under visible light

Xiaoya Gao et al.

Summary: Novel cobalt-doped bismuth oxychloride ultrathin nanosheets (BiOCl-Co-T) were successfully synthesized via a tetrabutylammonium hydroxide (TBAOH) assisted hydrolysis method at room temperature, showing enhanced visible-light-driven photocatalytic activity due to expanded light absorption region and facilitated photogenerated carrier separation. The degradation efficiency of the persistent contaminant carbamazepine (CBZ) over BiOCl-Co-T was significantly improved compared to BiOCl-Co and BiOCl-T, suggesting its potential as a visible light-driven photocatalyst with ultrathin nanosheets structure.

JOURNAL OF SOLID STATE CHEMISTRY (2021)

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Article Chemistry, Physical

Structural and electronic modulation of conductive MOFs for efficient oxygen evolution reaction electrocatalysis

Jiawen Li et al.

Summary: By modulating the electronic structure of conductive metal-organic frameworks, it is possible to enhance the intrinsic activity of bimetallic MOFs for efficient oxygen evolution reaction. This work demonstrates the importance of electronic structure modulation in MOFs for promising applications such as water-splitting.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Environmental Sciences