4.7 Article

The synergy of sulfur vacancies and heterostructure on CoS@FeS nanosheets for boosting the peroxymonosulfate activation

Related references

Note: Only part of the references are listed.
Article Engineering, Environmental

Visible Light-Induced Catalyst-Free Activation of Peroxydisulfate: Pollutant-Dependent Production of Reactive Species

Yinghao Wen et al.

Summary: This study reports the catalyst-free activation of peroxydisulfate (PDS) using visible light, which effectively degrades various organic pollutants. The formation of reactive species is different in the PDS visible light system with and without pollutants. The degradation of atrazine (ATZ) in the PDS visible light system involves both radical and nonradical processes, with O-1(2) playing an important role.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2022)

Article Engineering, Environmental

Catalyst-Free Periodate Activation by Solar Irradiation for Bacterial Disinfection: Performance and Mechanisms

Fuyang Liu et al.

Summary: This study demonstrates that the PI activated by solar irradiation can efficiently disinfect bacteria in water. The PI/solar system shows excellent performance under different conditions, including various pH levels, humic acid concentrations, and ionic strengths.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2022)

Article Chemistry, Multidisciplinary

Defects on CoS2-x: Tuning Redox Reactions for Sustainable Degradation of Organic Pollutants

Jiahui Ji et al.

Summary: A CoS2-x mixed with Fe2+ system was developed for the sustained release of singlet oxygen (O-1(2)) through ultrasonic treatment, effectively degrading various organic pollutants. This system can efficiently degrade organic pollutants for up to 30 days, surpassing the current CuPx system by a significant margin.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Article Chemistry, Multidisciplinary

Synergetic Lipid Extraction with Oxidative Damage Amplifies Cell-Membrane-Destructive Stresses and Enables Rapid Sterilization

Yu Chen et al.

Summary: The innovative poison arrowhead approach using two-dimensional MoS2 nanosheets and permonosulfate generates reactive oxygen species and reduces phospholipids, leading to bacterial inactivation and enhanced damage to injured cells.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Review Engineering, Environmental

A review of the innovations in metal- and carbon-based catalysts explored for heterogeneous peroxymonosulfate (PMS) activation, with focus on radical vs . non-radical degradation pathways of organic contaminants

Mona Kohantorabi et al.

Summary: This review summarizes the rapid development of heterogeneous catalysts for peroxymonosulfate (PMS) activation in sulfate radical-based AOPs, covering various catalysts and discussing their roles in the activation mechanism.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Engineering, Environmental

Peroxydisulfate Activation and Singlet Oxygen Generation by Oxygen Vacancy for Degradation of Contaminants

Yongguang Bu et al.

Summary: This study presents a mechanism of PDS activation over OV-rich BiOBr samples, where a nonradical mechanism mediated by O-1(2) is utilized for BPA degradation. The surface OVs of BiOBr provide ideal sites for the inclusion of hydroxyl ions, leading to the formation of Bi-III-OH species that act as active sites for PDS activation. This work offers a novel perspective for the activation of peroxides by defective materials without additional energy supply or aqueous transition metal ions.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2021)

Article Engineering, Environmental

Oxygen Vacancy-Induced Nonradical Degradation of Organics: Critical Trigger of Oxygen (O2) in the Fe-Co LDH/Peroxymonosulfate System

Liying Wu et al.

Summary: Ubiquitous oxygen vacancies in metallic compounds can activate peroxymonosulfate for water treatment, with O-2 identified as a critical trigger. Mechanistic studies show that Vo captures electrons to form O-2 and withdraws electrons from organics for degradation. The collaboration of kinetics and thermodynamics allows PMS to donate electrons to Vo, forming intermediate species that accelerate the electron-recycling process and improve organic degradation.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2021)

Article Chemistry, Physical

Co7Fe3/CoFe2O4@C Lamellar composites derived from Co-Fe LDH/PVA as an effective heterogeneous activator of peroxymonosulfate

Yuanming Deng et al.

Summary: A highly efficient three components nanocomposites were prepared via thermal degradation of LDHs@PVA composites, showing excellent performance in activating PMS to degrade organic pollutants. The catalyst demonstrated great stability and catalytic activity through cycling experiments and degradation tests, with free radical scavenging experiments confirming the key factors for degradation. The proposed mechanism for Co7Fe3/CoFe2O4@C (Co/Fe = 1:1) catalyzing PMS degradation of organic pollutants suggests a promising application prospect.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

Article Engineering, Environmental

Polarized heterogeneous CuO-CN for peroxymonosulfate nonradical activation: An enhancement mechanism of mediated electron transfer

Shiyu Zuo et al.

Summary: A mechanism for enhancing non-radical reactions by introducing g-C3N4 (CN) to enhance the electron-poor outer surface of CuO was proposed in this study, resulting in effective activation of PMS and removal of DCF under various water quality conditions. Experimental results showed that the PMS/CuO-CN system can efficiently remove pharmaceuticals in a wide range of pH values and different water quality conditions.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Engineering, Environmental

Copper in LaMnO3 to promote peroxymonosulfate activation by regulating the reactive oxygen species in sulfamethoxazole degradation

Panpan Gao et al.

Summary: This study investigated the role of copper in promoting PMS activation performance of LaMnO3 for efficient degradation of SMX in water treatment. The results showed that Cu-LaMnO3 could regulate the production of reactive oxygen species (ROS) and achieve radical dominant PMS activation mechanism, leading to enhanced catalytic activity compared to LaMnO3 alone. This study provides new insights for improving the catalytic activity of perovskites in PMS activation in water treatment.

JOURNAL OF HAZARDOUS MATERIALS (2021)

Article Chemistry, Physical

HPO42- enhanced catalytic activity of N, S, B, and O-codoped carbon nanosphere-armored Co9S8 nanoparticles for organic pollutants degradation via peroxymonosulfate activation: critical roles of superoxide radical, singlet oxygen and electron transfer

Genxing Zhu et al.

Summary: This study synthesized a novel Co9S8@NSBOC nanosphere-armored Co9S8 nanoparticle composite and investigated its superior activation performance towards peroxymonosulfate for the degradation of methylene blue and ofloxacin. The catalyst exhibited high catalytic activity in a wide pH range and showed synergic catalytic effect with HPO42- in the degradation system. The degradation mechanisms involved both radical and non-radical pathways, with various species on the Co9S8@NSBOC contributing to peroxymonosulfate activation.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2021)

Article Chemistry, Multidisciplinary

Single-Atom Vacancy Defect to Trigger High-Efficiency Hydrogen Evolution of MoS2

Xin Wang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

Article Engineering, Chemical

Micro-nano structured CoS: An efficient catalyst for peroxymonosulfate activation for removal of bisphenol A

Yaobin Ding et al.

SEPARATION AND PURIFICATION TECHNOLOGY (2020)

Article Chemistry, Multidisciplinary

Efficient Wastewater Remediation Enabled by Self-Assembled Perovskite Oxide Heterostructures with Multiple Reaction Pathways

Ming Zhu et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

Article Engineering, Environmental

Efficient degradation of organic pollutants by low-level Co2+ catalyzed homogeneous activation of peroxymonosulfate

Mantang Chen et al.

JOURNAL OF HAZARDOUS MATERIALS (2019)

Article Chemistry, Physical

Iron doped cobalt sulfide derived boosted electrocatalyst for water oxidation

Yuxue Zhou et al.

APPLIED SURFACE SCIENCE (2018)

Article Chemistry, Physical

A superior active and stable spinel sulfide for catalytic peroxymonosulfate oxidation of bisphenol S

Haodan Xu et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2018)

Article Multidisciplinary Sciences

Selective increase in CO2 electroreduction activity at grain-boundary surface terminations

Ruperto G. Mariano et al.

SCIENCE (2017)

Article Chemistry, Multidisciplinary

Comparison of the Catalytic Performances of Different Commercial Cobalt Oxides for Peroxymonosulfate Activation During Dye Degradation

Zhang Botao et al.

CHEMICAL RESEARCH IN CHINESE UNIVERSITIES (2017)

Article Chemistry, Multidisciplinary

Boosted Charge Transfer in SnS/SnO2 Heterostructures: Toward High Rate Capability for Sodium-Ion Batteries

Yang Zheng et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2016)

Article Chemistry, Multidisciplinary

Ultrathin Spinel-Structured Nanosheets Rich in Oxygen Deficiencies for Enhanced Electrocatalytic Water Oxidation

Jian Bao et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2015)

Article Nanoscience & Nanotechnology

Ultrafast charge transfer in atomically thin MoS2/WS2 heterostructures

Xiaoping Hong et al.

NATURE NANOTECHNOLOGY (2014)

Article

Electronic structure and bandgap of γ-Al2O3 compound using mBJ exchange potential

Mohsen Yazdanmehr et al.

Nanoscale Research Letters (2012)