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Article
Environmental Sciences
Ali Banitalebi Dehkordi et al.
Summary: Designing an advanced nanostructure semiconductor is an effective strategy to enhance charge separation and improve photocatalytic activity. Surface deposition of core shell nanoparticles on g-C3N4 can significantly enhance photocatalytic performance, with nitrogen-doped hollow carbon spheres playing a crucial role in improving dispersion of TiO2 nanoparticles and enhancing charge separation. Optimal content of core shell nanoparticles demonstrates a solar-driven photocatalytic degradation efficiency of approximately 85%.
Review
Chemistry, Inorganic & Nuclear
Reddicherla Umapathi et al.
Summary: Due to over application of synthetic pesticides, pesticide residues pose an increasing threat to ecosystems and human health. Electrochemical sensor and biosensor platforms have emerged as powerful analytical methods for detecting pesticide residues, offering advantages such as synergistic aspects, systematic fabrication procedure, ease of detection, sensitivity, and selectivity. Additionally, portable electrochemical devices have been developed for on-site detection of pesticide residues.
COORDINATION CHEMISTRY REVIEWS
(2022)
Article
Engineering, Environmental
Reyna Berenice Gonzalez-Gonzalez et al.
Summary: Environmental pollution, particularly pharmaceutical residues in water matrices, is a global concern that requires effective solutions to mitigate and remediate emerging pollutants. Carbon dots-based photocatalysts are emerging as an efficient alternative for decontamination of pharmaceutical pollutants due to their multifunctional features.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Chentao Hou et al.
Summary: In this study, a TiO2/TiOF2/{2 2 2}Ag3PO4 composite catalyst was prepared and characterized using various analytical methods. The results showed that the composite catalyst exhibited excellent photocatalytic performance and degradation efficiency.
Article
Food Science & Technology
Reddicherla Umapathi et al.
Summary: Recent scientific and technological studies on optical sensing strategies for on-site detection of pesticide residues in agricultural foods have made novel advancements, including fluorescence sensors, hydrogels, chemiluminescence assay, enzyme-linked immunosorbent assays, fiber-optic biosensors, phosphorescence, lateral flow immunoassays, double-signal fluorescence strategies, glove-based sensors, and paper-based sensors. These advancements provide significant insights and future perspectives for the design and development of novel optical sensors with applications in various fields.
TRENDS IN FOOD SCIENCE & TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Tongxin Xiao et al.
Summary: The conversion of CO2 and water into valuable chemicals under sunlight irradiation is important for solving the problems of limited energy sources and global warming. In this study, a new artificial photosynthesis process was established by reducing CO2 to CH4 through photocatalysis. A photocatalyst composed of a porphyrin (metalloporphyrin) and TiO2 nanotube arrays was prepared and showed enhanced photocatalytic activity for CO2 reduction compared to pure TiO2 nanotubes. The amount of methane produced with the CoTCPP/TiO2NTs photocatalyst was about 5.5 times higher than that produced with TiO2NTs alone. The improved photocatalytic activity can be attributed to the enhanced light absorption ability and inhibition of electron-hole recombination of CoTCPP/TiO2NTs. Furthermore, a probable mechanism for the photoreduction of CO2 over CoTCPP/TiO2NTs was proposed based on the results of photocatalytic and photo(electro)chemical experiments.
REACTION CHEMISTRY & ENGINEERING
(2022)
Article
Nanoscience & Nanotechnology
Jinyu Chen et al.
Summary: The study demonstrates a simple one-pot method for the large-scale synthesis of Bi2O3/TiO2 visible light-driven photocatalyst, allowing complete degradation of tetracyclines under visible light due to efficient charge separation and porous nanostructure. This method shows considerable potential for further scale-up production of photocatalysts with excellent performance under visible light.
ACS APPLIED NANO MATERIALS
(2022)
Article
Chemistry, Physical
Wenqian Huang et al.
Summary: The heterojunction formed between Cu3Mo2O9 and TiO2 in the Cu3Mo2O9/TiO2 hybrid effectively promotes charge transfer, leading to a significantly enhanced photocatalytic hydrogen production activity. Cu3Mo2O9 plays a pivotal role in improving light absorption capacity and accelerating charge transfer in the composite.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Yan Wang et al.
Summary: Ag nanoparticle-decorated Bi2O3-TiO2 photocatalysts with a narrow band gap exhibited considerable photocatalytic activity for the degradation of organic contaminants. The photocatalysts showed stable recyclability and achieved enhanced photodegradation performance through improved light absorption, enhanced charge separation, and strong redox capacity.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Chemistry, Applied
Muhammad Tayyab et al.
Summary: In this study, CdS nanowires were combined with vanadium carbide using a specific method, and it was found that the photocatalytic activity of the CdS nanowires was significantly enhanced when loaded with vanadium carbide, especially for simultaneous production of H2 and selective oxidation of benzyl alcohol into benzaldehyde. Additionally, the vanadium carbide loading also reduced the recombination rate of hydrogen and benzaldehyde. The results of this study demonstrate the importance of this method in achieving commercialization of photocatalytic hydrogen production.
CHINESE JOURNAL OF CATALYSIS
(2022)
Article
Engineering, Environmental
Chukwuka Bethel Anucha et al.
Summary: This mini review discusses various approaches, including heteroatom doping, dye/metal sensitization, metal oxide/semiconductor coupling, heterojunction constructions, surface morphology regulation, as well as carbonaceous and other nanomaterial hybrids, to improve the photocatalytic activity performance efficiency of titanium dioxide in the removal of contaminants of emerging concern.
CHEMICAL ENGINEERING JOURNAL ADVANCES
(2022)
Article
Chemistry, Physical
Jose Estrada-Pomares et al.
Summary: This study presents the synthesis and characterization of two bismuth-based halide perovskites. Cs2AgBiBr6 exhibits better absorption in the visible region compared to Cs3Bi2Br9. Both materials can be used as photocatalysts for the oxidation of vanillyl alcohol.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Chemistry, Physical
Sarenqiqige Bao et al.
Summary: The heterojunction of TiO2 nanoparticles and BiOCl nanosheets grown on carbon nanofibers showed excellent photocatalytic degradation performance, with degradation rates of antibiotics Norfloxacin, Ciprofloxacin, and Oxytetracycline all exceeding 90%. Trapping experiments were conducted to propose a possible photocatalytic degradation mechanism.
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
(2021)
Article
Chemistry, Physical
Heng Zhao et al.
Summary: Biomass photoreforming for hydrogen evolution is a promising strategy to address energy crisis and environmental pollution, generating sustainable H-2 and value-added bioproducts. This study successfully overcomes the incompact interface between n-type and p-type semiconductors by designing an ultrafine n-p heterojunction TiO2-NiO core-shell structure. The photocatalysts exhibit excellent performance for water splitting and lignin photoreforming, showing the highest hydrogen generation with cogeneration of H-2 and CH4 and production of fatty acids.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Materials Science, Multidisciplinary
Zhe Song et al.
Summary: In this study, AgBr/Ag3BiO3 composite photocatalyst was successfully prepared via one-step hydrothermal route and systematically characterized. The photocatalytic activity was evaluated through Methylene blue degradation test, showing that Ag/AgBr/ABO-5 exhibited optimal performance with effective separation of electrons and holes. The enhancement in photocatalytic reactivity was attributed to the type-I heterojunction mechanism employed in the transferring process.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2021)
Review
Chemistry, Inorganic & Nuclear
Reddicherla Umapathi et al.
Summary: Agricultural food crop yields have increased significantly with the use of chemical pesticides, but their excessive use has caused contamination. On-site monitoring of pesticide residues is crucial for global food and environmental safety.
COORDINATION CHEMISTRY REVIEWS
(2021)
Article
Engineering, Environmental
Guanhong Liu et al.
Summary: A bimetallic AlCNi structure was synthesized successfully in this study, showing high efficiency in removing PFOA pollutants. Multiple characterizations confirmed the predominant degradation pathways, providing feasibility for PFOA treatment without the need for chemical agents.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Review
Environmental Sciences
Benjamin O. Orimolade et al.
Summary: This review comprehensively discusses the recent trends in the applications of Bi2WO6 based photocatalysts for the removal of pharmaceuticals in wastewater. It highlights the fabrication of Bi2WO6 based photocatalysts with enhanced photocatalytic performances through morphology control, doping, and formation of heterojunctions. The review also focuses on the mechanisms and possible degradation pathways of antibiotic pharmaceuticals in wastewater.
ENVIRONMENTAL POLLUTION
(2021)
Review
Environmental Sciences
Longyao Xu et al.
Summary: Tetracyclines, widely used as antibiotics, are excreted in large quantities into the environment, causing adverse effects on both ecological systems and human health. This article summarizes the environmental occurrence and behaviors of tetracyclines in aquatic environments, as well as their toxicities and potential risks.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Chemistry, Physical
Ping Zhang et al.
Summary: Semiconductor heterostructures, such as the novel Z-scheme CaIn2S4 (CIS)/TiO2 photocatalysts, show improved photocatalytic activity due to increased light absorption and reduced electron-hole recombination. The intimate contact and matched energy band positions between CIS and TiO2 efficiently produce active charge carriers, reducing recombination and boosting carrier transfer. The proposed Z-scheme mechanism provides insights for designing high-efficiency heterojunction photocatalysts for photodegradation applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Environmental Sciences
Minghui Zhang et al.
Summary: The TiO2/g-C3N4 photocatalytic material prepared through a hydrothermal method showed superior photodegradation performance compared to TiO2 and g-C3N4 in the treatment of mineral processing wastewater. The successful incorporation of TiO2 on g-C3N4 nanosheets enhanced the spectral response range of TiO2/g-C3N4 and improved its photocatalytic activity, indicating a promising prospect for the treatment of mineral processing wastewater with clear environmental relevance.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2021)
Article
Environmental Sciences
Dhruti Sundar Pattanayak et al.
Summary: The study explored the use of a heterogeneous photocatalyst system comprised of S-TiO2@rGO immobilized on polyurethane foam for treating cyanide contaminated wastewater. By synthesizing a Fe-TCPP sensitizer, the photocatalytic system showed significant degradation of cyanide, with over 91% removal achieved in a solid-state system. The study demonstrated that the solid-state photocatalytic system was significantly more efficient in degrading cyanide compared to suspended systems, with an activity nearly 10.8 times higher than pure TiO2 photocatalysts.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2021)
Article
Materials Science, Ceramics
Edoardo Magnone et al.
Summary: TiO2 oxide was deposited on a microstructured alpha-Al2O3 ceramic hollow fiber substrate using a one-step solution-immersion process with TEOS as a binder. The composition of the coating solution significantly affected the photocatalytic properties of TiO2 powders deposited on the substrate, with the removal efficiency of MetB reaching about 91% under optimal conditions. Additionally, the fabricated TiO2-supported Al2O3 ceramic hollow fiber substrates showed high photocatalytic stability even after multiple cycles.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Tianyu Liu et al.
Summary: 2D/3D TiO2/ZnIn2S4 nanostructures with TiO2 sheet cluster embedded into ZnIn2S4 micro flowers were fabricated via hydrothermal method in this study. The TiO2/ZnIn2S4 nanoarchitecture exhibited excellent photocatalytic Cr(VI) reduction and tetracycline hydrochloride (TC) degradation performance, attributed to matched band structure, enlarged surface area, and efficient photo-induced charge transfer between the two components.
CERAMICS INTERNATIONAL
(2021)
Article
Environmental Sciences
Xiarong Zheng et al.
Summary: A novel composite electrospun fiber with high photocatalytic efficiency and stability was synthesized, suitable for degrading pollutants in water bodies, with a rough surface and extreme hydrophilicity to enhance catalyst adhesion.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2021)
Article
Chemistry, Physical
Guanghui Zhang et al.
Summary: This study successfully prepared hierarchical tubular micro-nano structured AgCl/Ag/TiO2 hybrids, which exhibited good catalytic activity and stability by controlling the dosage of AgNO3 and mass ratio of the components.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Review
Chemistry, Physical
Samar Shurbaji et al.
Summary: Antibiotics are chemical compounds used to kill or prevent bacterial growth, but they end up in wastewater, causing the threat of antibacterial resistance. Semiconductor-assisted photocatalysis is considered an effective method for eliminating antibiotics, but further research is needed.
Article
Chemistry, Applied
A. W. Morawski et al.
Summary: In this study, the conversion of CO2 into methane, carbon monoxide, and hydrogen using TiO2/rGO photocatalysts was investigated, showing that TiO2/rGO-10 without calcination exhibited the highest activity for CO2 conversion. All rGO-modified samples demonstrated good activity for H2 generation with high selectivity, attributed mainly to the excellent electron transport/collection ability of graphene.
Review
Chemistry, Multidisciplinary
Xinghou He et al.
Summary: Antibiotic pollution poses a significant health issue, highlighting the need for improved methods for cleaning water and wastewater. Heterojunction photocatalysis has been proven as an effective approach for degrading antibiotics and enhancing treatment efficiency.
ENVIRONMENTAL CHEMISTRY LETTERS
(2021)
Article
Environmental Sciences
Mouheb Sboui et al.
Summary: The preparation, characterization, and photocatalytic activity of TiO2-Ag2O floating photocatalysts were studied, showing good durability and reusability.
ENVIRONMENTAL RESEARCH
(2021)
Review
Chemistry, Physical
Anastasiya Kutuzova et al.
Summary: The widespread occurrence of antibiotics in water due to their extensive use in human and veterinary medicine has led to the rapid development of antimicrobial resistance. TiO2-based photocatalysis shows promise in addressing this issue in a sustainable and cost-efficient manner.
Article
Energy & Fuels
Yujie Liu et al.
Summary: By constructing a ZnO-ZnS heterojunction with an excess amount of zinc vacancies, the separation efficiency of charge carriers can be improved; at the same time, zinc vacancies provide effective anchor sites for obtaining highly dispersed Pt single atom catalysts; the introduction of Pt single atoms promotes novel type-V electron transport and enhances photocatalytic performance.
Article
Materials Science, Multidisciplinary
Jingjun Yang et al.
Summary: This study investigates the performance of B2O3-Bi2O3-ZnO low-temperature glass-ceramics for immobilizing iodine-loaded silver-coated silica-gel. The results show that the sample with 20 wt% iodine presents optimal immobilization at 600 degrees C. SEM-EDS results indicate two approaches contributing to the immobilization of AgIs. The TGA-DSC analysis shows high water content in the samples, facilitating the curing of iodine at low temperatures.
JOURNAL OF MATERIALS CHEMISTRY C
(2021)
Review
Chemistry, Physical
Suqing Wu et al.
Summary: The article examines strategies for tuning catalysts to efficiently degrade antibiotics through photocatalysis, such as metal and nonmetal doping, semiconductor coupling, and morphology modification. It also evaluates pathways for reactive oxygen species generation on catalysts, influencing factors in photocatalysis, and methods for assessing catalyst performance.
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Ye Tan et al.
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Ranjit Bariki et al.
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(2020)
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Zhe Song et al.
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A
(2019)
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Dandan Yan et al.
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES
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Chunyan Chi et al.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2018)
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Lei Wang et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2018)
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Materials Science, Multidisciplinary
Rama Krishna Chava et al.
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Masoom Shaban et al.
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(2017)
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Chin-Tsung Yang et al.
