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Article
Chemistry, Physical
Gang Zhou et al.
Summary: Utilizing an atomic-hybridized strategy to construct an electronic channel significantly accelerates the hexavalent chromium reduction reaction over ReS2 nanosheets with carbon quantum dots. This simple and feasible method enhances the reaction rate and provides new insights for designing efficient photocatalysts.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Engineering, Environmental
Zhenzi Li et al.
Summary: Mesoporous black TiO2/MoS2/Cu2S hierarchical tandem heterojunctions are fabricated as photocatalysts with visible-light photocatalytic hydrogen production rate of 3376.7 μmol h-1 g-1, attributed to suitable band gap alignment in the hierarchical tandem heterojunctions.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Environmental
Jialin Tang et al.
Summary: The floating porous g-C3N4 (FPCN) synthesized via a one-pot method shows excellent photocatalytic performance, outperforming traditional powder catalysts in terms of efficiency in removing tetracycline. The 3D interconnected network and enhanced light absorption of FPCN contribute to its superior performance, offering a promising solution to the recycling issue of powder catalysts.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Electrochemistry
YongZhi Xiong et al.
Summary: Heteroatom doping, specifically phosphorus doping, has been demonstrated to enhance the electrochemical properties of carbon materials. In this study, a bagasse-based phosphorus-doped porous carbon material (PC-900) was synthesized using phytic acid as an activator and phosphorus dopant under hydrothermal conditions. The PC-900 material showed high adsorption capacity for La3+ ions in water through capacitive deionization (CDI) technology. The activation of phytic acid promoted the formation of a well-developed microporous and mesoporous composite structure, which contributed to the improved electrosorption performance of La3+. The PC-900 material also exhibited excellent selectivity for La3+ ions in the presence of Na3+ and Ca2+. The electrochemical analysis confirmed the presence of pseudocapacitance and ideal electric double layers behavior in PC-900. The phosphorus doping facilitated the enhancement of electric-double-layer adsorption and the introduction of active sites for Faraday adsorption. The PC-900 material showed great potential for separating rare earth ions in CDI applications.
ELECTROCHIMICA ACTA
(2022)
Review
Engineering, Environmental
Abul K. Mallik et al.
Summary: The article introduces the hazards of Cr(VI) pollutants and removal methods, focusing on the progress and application of preparing adsorbents by surface-modifying silica, as well as the adsorption mechanisms of various adsorbents.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Engineering, Chemical
Peifang Wang et al.
Summary: This study proposes a coupling strategy to integrate reactant adsorption and photo degradation in order to eliminate salicylic acid pollution using low-cost adsorbents. The adsorbent can self-repair the adsorption activity through a photothermal-driven selectivity of adsorption site to accelerate SA degradation. This innovative operation exhibits excellent SA removal efficiency, repeatability, and stability, providing a new insight into designing new-type multifunctional materials.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Jose Villafuerte et al.
Summary: This study investigates the influence of pH on the morphology and optical properties of ZnO nanowires (NWs) grown by chemical bath deposition (CBD). It is found that increasing the pH leads to a higher density of V-Zn-nH defect complexes in ZnO NWs. Annealing at 450 degrees C under an oxygen atmosphere helps to tune the optical properties of ZnO NWs by reducing the density of H-BC and V-Zn-related defects, while activating the formation of V-Zn-N-O-H defect complexes.
NANOSCALE ADVANCES
(2022)
Article
Engineering, Environmental
Chongchong Liu et al.
Summary: The study synthesized a Bi2SeO5/rGO/MIL-88A composite for the simultaneous removal of chloramphenicol and hexavalent chromium, enhancing efficiency by accelerating the separation of electrons and holes. The hybrid was found to facilitate nitrogen reduction.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Environmental
Shijia Luo et al.
Summary: In this study, a MOFs-derived BPQDs/Cu2O/N-doped hollow porous carbon (BP/CNC) with indirect Z-scheme heterojunctions (BPQDs/Cu2O) was developed for efficient inactivation of Methicillin-resistant Staphylococcus aureus (MRSA). The mechanism involves enhanced light utilization, suppression of carrier recombination, and damaging the cell membrane of MRSA. The system demonstrated biocompatibility through a series of in vitro and in vivo toxicity tests, showing potential for practical use in disinfecting microbial contaminated water.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Chemistry, Physical
Yuling Wei et al.
Summary: Yttrium doped ZnO nanorod array films grown hydrothermally on fluorine doped tin oxide substrates exhibit enhanced photoelectrochemical water splitting performance, attributed to improved light absorption, increased conductivity, and prolonged carrier lifetime caused by yttrium doping. The yttrium doped samples show higher photocurrent density under illumination compared to undoped samples, making them promising platforms for various photocatalytic applications beyond photoelectrochemical water splitting.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Inorganic & Nuclear
Veronica Bortolotto et al.
Summary: This study aimed to synthesize and study the photocatalytic behavior of Ag3PO4, Fe3O4, and Ag3PO4/Fe3O4 for oxidizing organic pollutants and photoreduction of Cr(VI). The results showed that the Ag3PO4/Fe3O4 composite exhibited higher efficiency than bare Ag3PO4 and Fe3O4 in the oxidation of organic pollutants. The Z-scheme heterojunction in Ag3PO4/Fe3O4 was found to enhance the photogeneration of reactive oxygen species, resulting in improved photoactivity. Additionally, Fe3O4 and Ag3PO4/Fe3O4 were more effective than bare Ag3PO4 in the photoreduction of Cr(VI). The Ag3PO4/Fe3O4 composite also showed better long-term stability and economic benefits due to its high stability and easy magnetic recovery.
INORGANIC CHEMISTRY COMMUNICATIONS
(2022)
Article
Engineering, Environmental
Ridha Djellabi et al.
Summary: This report provides an overview of the current research state of photocatalytic Cr(VI) reduction, including materials design, mechanistic pathways, and the simultaneous photocatalytic reduction of Cr(VI) and oxidation of organic pollutants. It also analyzes the pros and cons of photocatalytic technology compared to existing technologies and provides positive research suggestions.
JOURNAL OF WATER PROCESS ENGINEERING
(2022)
Article
Engineering, Environmental
Nesrine Abderrahim et al.
Summary: This study investigates the recovery of Cr(VI) from phosphoric acid medium for the first time. Different composites were fabricated and compared for photocatalytic reduction of Cr(VI) under UV and solar light conditions. The study reveals that impurities and the addition of citric acid have significant effects on the photocatalytic performance. The findings provide promising insights for expanding the application of photocatalytic technology in various industrial fields.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Engineering, Environmental
Hongzhao Deng et al.
Summary: Hierarchical ZnMn2O4/ZnO nanofibers were prepared as photocatalysts, outperforming pristine ZnO nanofibers by showing a about 4-fold increment in CO and CH4 yields. The enhanced charge separation efficiency and the realization of S-scheme charge transfer were demonstrated in the composite, providing new insights into the design of S-scheme photocatalysts composed of p-type and n-type semiconductors.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Gang Zhou et al.
Summary: In this study, a series of porous metal-organic frameworks (MOFs) were successfully prepared via a developed solvothermal process, and the optimized bimetallic MOF sample was shown to significantly accelerate the degradation of norfloxacin under sunlight radiation. Electronic hybridization between Fe3+ and Co2+ metal centers in bimetallic sites enhanced solar response and catalytic activity, leading to efficient degradation of norfloxacin.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Physical
Qingyuan Bi et al.
Summary: A direct solid-state reaction strategy was utilized to prepare uniform BP-BT materials with enhanced wide-spectrum sunlight absorption properties, showing efficient photocatalytic CO2 reduction to CH4. The optimized BP-BT exhibited superior CH4 formation activity, high selectivity, and excellent stability for CO2 transformation under solar light irradiation, with crucial steps revealed through analysis of kinetic isotope effects and in situ spectroscopy.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Engineering, Environmental
Min Wang et al.
Summary: In this work, a CuO/g-C3N4 2D/2D heterojunction photocatalyst was designed to degrade oxytetracycline (OTC) by activating peroxymonosulfate (PMS) under visible light irradiation. The catalyst showed almost 100% degradation efficiency towards OTC in 10 minutes, and also effectively degraded other antibiotics. Through investigation of experimental conditions, stability evaluation, and analysis of reactive oxygen species, the mechanism and pathway of OTC degradation were explored in depth. This work provides valuable insights for developing efficient g-C3N4-based photocatalytic technology for antibiotic removal from the environment.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Environmental Sciences
Ridha Djellabi et al.
Summary: Research has been conducted on developing photoactive materials for water remediation, with a focus on water-floating photocatalysts. The study compared the photocatalytic efficiency of aerogel floating materials loaded with different semiconductors, finding that g-C3N4 showed excellent performance.
Article
Engineering, Environmental
Bo Peng et al.
Summary: The development of a visible light self-powered photoelectrochemical (PEC) aptasensor using Ag2CrO4 and GO to enhance the photoelectric properties of g-C3N4 resulted in a ternary composite with a photocurrent about 3 times higher than pristine g-C3N4, proving its suitability as a photoelectric active material.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Chemistry, Physical
Donghyung Kim et al.
Summary: This study demonstrated the switching of charge transfer mechanism from the Z-scheme to type II through simple boron doping of C3N4/ZnO. The introduction of low-electronegativity boron into C3N4 increased its Fermi level by 0.4 V, leading to a reversed band bending direction at the C3N4/ZnO junction. The resulting type II B-doped C3N4/ZnO showed a stable, drastic increase in photocatalytic hydrogen evolution rate, approximately 2.9 times higher than undoped C3N4/ZnO.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Engineering, Environmental
Lidia Escudero-Castejon et al.
Summary: A novel reduction reaction has been demonstrated for extracting Cr2O3 from chromite ores, excluding the formation of carcinogenic chromate intermediates. The process chemistry allows for the formation of high-purity Cr2O3 through high-temperature reduction and subsequent separation and leaching processes. This innovative extraction method shows potential for replacing current oxidative processes in chromite ore processing, reducing environmental pollution.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Chemistry, Physical
Yongming Fu et al.
Summary: The direct Z-scheme heterojunction of ZnO/MoS2 nanoarray on Ni foam, enhanced by a flowing induced piezoelectric field, exhibits improved photocatalytic performance under sunlight irradiation, especially with stirring.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Physical
Lili Ai et al.
Summary: By introducing sulfur defects and a direct Z-scheme heterostructure, the Bi-.（333）（Bi6S9）Br/Bi2S3 hybrid nanorods exhibited excellent photocatalytic performance, providing a new strategy for the design of advanced photocatalytic materials.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Physical
Mandun Fu et al.
Summary: The study demonstrates the Rashba spin-orbit interaction (RSOI) modulated by stress-induced polarization field in ZnO/CdO quantum well (QW), showing significant manipulation of conduction electrons and potential for strong manipulation of spin qubits. The peak of RSOI coefficient can reach up to approximately 83 meV.nm, which is almost three orders of magnitude higher than conventional GaAs-based QWs, stimulating interest in low-dimensional quantum piezotronic devices.
Article
Chemistry, Physical
Yufei Zhou et al.
Summary: The dual-effective CXB with Z-scheme heterojunction and P-bridging effect showed high photodegradation efficiency of ciprofloxacin under visible light irradiation. The design improved visible light-irradiated photocatalytic activity by enhancing carrier transfer and redox ability. Mechanisms of CIP degradation over the CXB were elucidated using XPS and redox ability of the photogenerated charges.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Physical
Xiao Li et al.
Summary: The study introduced novel rod-like core-shell ZnO/Pt@ZIF-8 hybrid photocatalysts to enhance the conversion efficiency and selectivity of CO2. Transparent conductive adsorption layers and synergistic effects of Pt nanoparticles contribute to improved CO2 adsorption and activation over ZnO/Pt@ZIF-8.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Physical
Yong Li et al.
Summary: Phosphorus-doped activated carbon (P@AC) can serve as an efficient metal-free catalyst for the dehydroaromatization of n-hexane to benzene under mild conditions. The active sites for dehydroaromatization catalysis are believed to be functional groups containing -P(O)(OH) on the carbon surface, as indicated by characterization analysis.
CATALYSIS COMMUNICATIONS
(2021)
Article
Engineering, Environmental
Fan Gao et al.
Summary: By constructing heterojunction interfaces and introducing dual defects, the ternary photocatalyst ZnS/ZnO-In2O3 was prepared for visible light photocatalysis of water splitting, showing excellent charge separation efficiency and enhanced performance. This work provides insights for the rational design of dual defects in wide bandgap semiconductors.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Green & Sustainable Science & Technology
Gang Zhou et al.
Summary: This study introduces a simple and feasible method to construct CdS/ReS2 heterostructures, which can accelerate the photoreduction of Cr(VI) through electron transfer induced by an internal electric field. The reduction reaction rate of CdS/ReS2 heterojunction is significantly increased, providing new insights for regulating carrier transfer pathways and designing novel photocatalysts.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Engineering, Environmental
Chun-Hui Shen et al.
Summary: The SnIn4S8/CeO2 (SISC) composites fabricated by a stirring and calcination method show promising photocatalytic activity under visible light, with good degradation effect on hexavalent chromium (Cr (VI)) and high hydrogen production efficiency.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Engineering, Environmental
Han Cheng et al.
Summary: Biochar prepared from sludge and liriodendron leaves modified by Fe3+ was used to remove methyl orange from aqueous solution. The modified biochar showed higher removal efficiency for MO than unmodified biochar. The adsorption kinetic model of pseudo-second-order and Freundlich isotherm models fitted well with the experimental data of MO in single and binary component systems.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Engineering, Environmental
Juxin Li et al.
Summary: The ZnO@In2O3 core-shell hollow microtubes with rich oxygen vacancy were successfully synthesized, demonstrating enhanced photocatalytic performance compared to single ZnO and In2O3. The heterostructure shows higher efficiency in degrading tetracycline under simulated solar irradiation.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Engineering, Environmental
Xiaojing Yang et al.
Summary: This study utilized algal-bacterial AGS for Cr(VI) bioremediation, achieving a significant total Cr removal efficiency increase with external electron donor supply. Addition of antibiotic or metabolic inhibitor negatively affected bacterial AGS but not algal-bacterial AGS, with analysis showing that algal-bacterial AGS secreted more EPS favoring Cr(VI) reduction under Cr(VI) exposure. Chemical fractionation results indicated a low environmental risk of Cr-loaded algal-bacterial AGS after biosorption of hazardous heavy metals from wastewater.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Engineering, Environmental
Swati Verma et al.
Summary: The article reviews the synthesis and modification of ZnO nanostructures for solar light harvesting, discussing the potential of anisotropic ZnO nanostructures and the role of metal dopants in enhancing photocatalytic activity. It also explores the prospects of developed ZnO nanophotocatalysts for real-world applications.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Multidisciplinary Sciences
Gang Zhou et al.
Summary: The study focuses on rearranging spins in metal-organic frameworks to achieve higher mass activities for electrocatalysts through magnetic stimulation, providing a new approach to spin electrocatalysis design.
NATURE COMMUNICATIONS
(2021)
Article
Multidisciplinary Sciences
Rui Chen et al.
Summary: The authors have overcome the limitation of vdWs materials being magnetic only at low temperature, by observing room temperature magnetic ordering in Cobalt doped graphene-like Zinc-Oxide. Through various experimental techniques, they have demonstrated clear evidence of spontaneous magnetization in this new material system at room temperature and above, opening up a new path to 2D ferromagnetism with exceptional tunability and robustness.
NATURE COMMUNICATIONS
(2021)
Article
Engineering, Environmental
Harshavardhan Mohan et al.
Summary: In this study, spherical zinc ferrite nanoparticles were prepared with uniform size and a band gap suitable for visible light absorption. Zinc doping enhanced the absorption of visible light and improved the separation of photogenerated carriers, resulting in effective photocatalytic degradation of CBZ. The material showed high removal efficiency and a pseudo first-order kinetics with a rate constant of 0.0367 min(-1). In-vitro and in-vivo toxicity of the nanoparticles were also examined for environmental implications.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Marco Laurenti et al.
ACS APPLIED MATERIALS & INTERFACES
(2020)
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Engineering, Chemical
Ridha Djellabi et al.
SEPARATION AND PURIFICATION TECHNOLOGY
(2020)
Article
Chemistry, Physical
Xingwang Zhu et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2020)
Article
Chemistry, Physical
Annalisa Polo et al.
ACS APPLIED ENERGY MATERIALS
(2020)
Article
Green & Sustainable Science & Technology
Ridha Djellabi et al.
JOURNAL OF CLEANER PRODUCTION
(2020)
Article
Chemistry, Physical
Ossama Elbanna et al.
Article
Chemistry, Physical
Kai Wei et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2018)
Article
Materials Science, Multidisciplinary
Ridha Djellabi et al.
