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Article
Environmental Sciences
Supphadate Sujinnapram et al.
Summary: In this study, a photocatalytic material consisting of ZnO and yttrium-doped ZnO nanoparticles was prepared. YZO possessed a smaller crystal and grain size than ZnO, resulting in a larger specific surface area and pore volume. Chemical defects were introduced in YZO, which enhanced the photocatalytic activity. Yttrium-doped ZnO nanoparticles showed a higher degradation rate for carbaryl compared to pure ZnO.
JOURNAL OF ENVIRONMENTAL SCIENCES
(2023)
Article
Engineering, Environmental
Lijun Hu et al.
Summary: In this study, a SNP-TiO2@Cu-MOF composite material was successfully prepared and compared for its photocatalytic inactivation efficiency on Karenia mikimotoi. The results showed that the SNP-TiO2@Cu-MOF composite exhibited the strongest photocatalytic activity, making it a potential solution for controlling eutrophication outbreaks.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Chemistry, Physical
Lianhu Fang et al.
Summary: This study investigated the use of ionizing radiation to decompose partially hydrolyzed polyacrylamide (HPAM) in oilfield wastewater, reducing its viscosity. The results showed that the viscosity of HPAM solution decreased rapidly during radiation, and the decrease was minimally affected by the initial HPAM concentration and pH. The application of gamma radiation disrupted the hydrogen bonds within and between HPAM molecules, leading to the destruction of the network structure and a reduction in viscosity. Additionally, attacks on various chemical bonds in HPAM resulted in the formation of intermediate products. Overall, ionizing radiation shows promise as an alternative method for treating HPAM-containing oilfield wastewater.
RADIATION PHYSICS AND CHEMISTRY
(2023)
Article
Materials Science, Ceramics
Shaopeng Gu et al.
Summary: The carrier selection for photocatalytic materials is critical, and this study explored the use of blast furnace slag fibre (BFSF) as a carrier for TiO2. The results showed that the TiO2/BFSF composite achieved the highest photocatalytic activity and degradation ratio when loaded with TiO2 sol four times and calcined at 450 degrees C for 2.5 hours.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Physical
Juhua Luo et al.
Summary: This study provides an efficient strategy to fabricate nanocomposites with high stability and efficient charge separation. The nanocomposites exhibit excellent photocatalytic performance and magnetic separability under visible light.
Article
Engineering, Environmental
Ariya Gordanshekan et al.
Summary: This study compared two hydrothermally synthesized S-scheme heterojunctions, Bi2WO6/gC(3)N(4) and Bi2WO6/TiO2. The photocatalytic removal of cefixime (CFX) was used to screen the different mass ratios of the components for each heterojunction. The adsorption isotherms and kinetics, as well as the operational effects, were studied and evaluated.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Wenhao Xiang et al.
Summary: Photocatalytic optical fibers are promising for the degradation of gaseous and volatile pollutants in air. This review focuses on introducing photocatalytic quartz optical fibers and photocatalytic plastic optical fibers, and summarizes the methods for improving their photocatalytic efficiency and analyzing the reduction rate of gaseous pollutants.
CHINESE CHEMICAL LETTERS
(2022)
Article
Energy & Fuels
Junwei Hou et al.
Summary: The research focuses on the synthesis of hybrid photocatalysts for efficient dye removal and hydrogen generation in wastewater treatment. The TiO2 NTs/CeO2 photocatalyst exhibits excellent photostability and great potential for environmental remediation and new energy development.
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
Biyuan Liu et al.
Summary: Gas-solid and postsynthetic modification with ozone was used to enrich surface bridging hydroxyls (OHB) on TiO2, resulting in improved photoresponse and degradation efficiency. The increased OHB facilitated the transfer of photogenerated charge carriers and provided more adsorption sites for organic compounds, leading to enhanced catalytic activity and stability.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Physical
Jun Hu et al.
Summary: By designing a unique yolk-in-shell nanostructure, a significant improvement in nanocatalysis under visible light photocatalysis has been achieved, demonstrating high selectivity towards CO production.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Physical
Tao Ke et al.
Summary: Developing visible-light-driven photocatalysts with high charge separation and transfer efficiency for degrading organic pollutants in wastewater is a significant challenge. In this study, quaternary Bi2O3/C3N4/TiO2@C (BCTC) hybrids were successfully fabricated and showed excellent photocatalytic activity under visible light irradiation. The optimized BCTC hybrids exhibited a high degradation rate for sulfamethoxazole (SMZ) and outperformed other junctions such as Bi2O3/C3N4 and C3N4/TiO2@C. The enhanced photocatalytic performance of BCTC hybrids could be attributed to the formation of a double Z-scheme photocatalytic system and the photosensitization of Bi2O3 and C3N4.
APPLIED SURFACE SCIENCE
(2022)
Article
Environmental Sciences
Gandharve Kumar et al.
Summary: This study presents an efficient method for removing Cr(VI), organic dye, and antibiotics from water using Sn3O4/SnS2 solar photocatalyst. The results show that more than 99.9% of Cr(VI) is reduced within 60 minutes under sunlight exposure, while 99.6% of MB dye and 90% of CIP antibiotics are degraded in 90 and 120 minutes, respectively.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Food Science & Technology
Shanrui Li et al.
Summary: In this study, the authors used Reactive Molecular Dynamics (RMD) simulation to investigate the detoxification pathways of the mycotoxin DON induced by reactive oxygen species (ROS). It was found that ROS can modify toxicologically important functional groups of DON through various reactions, reducing its toxicity and providing theoretical understanding for plasma degradation of mycotoxins in the future.
FOOD RESEARCH INTERNATIONAL
(2022)
Article
Chemistry, Physical
Jingsong Gao et al.
Summary: A novel dimensional matched S-scheme photocatalyst composed of 2D TiO2 nanosheets and 2D Bi2O3 nanosheets was proposed for environmental and energy applications, showing high photocatalytic activity for water sterilization and water splitting. The photocarrier migration in the TiO2/Bi2O3 composite followed the S-scheme mode, efficiently preventing recombination of photocarriers and enabling strong redox ability for producing reactive oxygen species. This bifunctional photocatalyst demonstrated improved antibacterial performance and H-2 generation rate, indicating potential for minimizing pollution impact on the environment.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Physical
Jun Dong et al.
Summary: In this study, new cylinder hybrid particles PC@TiO2 were successfully prepared by hydrothermal synthesis and carbonization decomposition of MIL-125(Ti). PC@TiO2 exhibited excellent degradation activity, achieving almost 100% removal rate of organic dye Rhodamine B (RhB) within 60 min under ultrasound irradiation.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Materials Science, Multidisciplinary
M. Khairy et al.
Summary: This study investigates the structural, optical properties, and comparative visible light photocatalytic activity of Ag/Au-TiO2 doped nanotubes and the effect of embedding them in rGO. The results show that the photocatalytic activity increases with the order of TAg, Au/rGO > TAg/rGO > TAu/rGO > TAg, Au > TAg > TAu > TrGO > TiO2 (T). Under optimal conditions, complete degradation of MB can be achieved in one hour, and the kinetics of photocatalytic reaction follows a first-order relationship. A photocatalytic mechanism has been proposed.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2022)
Article
Chemistry, Analytical
Bijan Bina et al.
Summary: In this study, Bi2O3/TiO2 composite was synthesized and its photocatalytic performance for the decomposition of Atenolol was investigated. The simultaneous application of Bi2O3/TiO2 and LED showed a significant enhancement in the degradation efficiency of Atenolol.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
(2022)
Article
Engineering, Environmental
Weilong Shi et al.
Summary: The self-sufficient photo-Fenton system developed by coupling ultrathin porous g-C3N4 (UPCN) nanosheets with amorphous FeOOH quantum dots (QDs) can spontaneously produce H2O2, enabling efficient degradation of pollutants under natural pH conditions.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Weijie Fu et al.
Summary: This paper presents the preparation and characterization of a visible light-driven polymeric carbon nitride (PCN)/(Pt)/nano-spherical MoS2 photocatalyst. The structure and energy band structure of the photocatalyst were investigated, and the photocatalytic performance was evaluated for the degradation of Rhodamine B and hydrogen evolution. The introduction of Pt nanoparticles greatly enhanced the photocatalytic activity, leading to higher degradation rate and increased hydrogen production rate compared to the PCN/2.0%MoS2 system.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2022)
Article
Engineering, Environmental
Haixia Tong et al.
Summary: A series of photocatalytic materials with La and Zr as metal centers were prepared, and it was found that the H(2)ATA series showed better photocatalytic performance, with the 0.35 La/ZrH(2)ATA composite exhibiting the best photocatalytic degradation.
WATER SCIENCE AND TECHNOLOGY
(2022)
Article
Chemistry, Physical
Linli Li et al.
Summary: The Co3O4 nanoparticles/Bi2O3 nanosheets prepared by one-step method exhibited excellent catalytic activity and stability in the thermal decomposition of isopropanol, indicating their potential application in the field of gaseous pollutant decomposition.
MOLECULAR CATALYSIS
(2022)
Article
Chemistry, Physical
Caixia Liang et al.
Summary: This study investigated the removal of toluene pollution using CuO/TiO2 composites. The composites synthesized by the wet precipitation method showed better performance and durability, with higher light absorption and lower charge recombination. Under ultraviolet-visible light, the light-driven heat significantly increased the removal efficiency, and the addition of infrared light further improved the efficiency. The reduction of carbon deposition greatly improved the photocatalytic performance and stability of the materials.
APPLIED SURFACE SCIENCE
(2022)
Article
Engineering, Environmental
Mingquan Huang et al.
Summary: Alkaline hydrolysis plays a key role in efficiently degrading chlorinated alkanes by thermal-alkali activation of persulfate (PS). The immediate conversion of the targeted pollutants and the decreased intensity of oxidative radicals suggest that the alkali primarily functions to hydrolyze the chlorinated alkanes rather than activating PS.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Chemistry, Physical
Abdoulaye Kane et al.
Summary: The UVA light-driven g-C3N4/TiO2 photocatalyst was synthesized for the degradation of CBZ in aqueous solution. Optical absorption studies revealed band gaps of 2.97 eV and 2.78 eV for 10%g-C3N4/TiO2 (A10) and 30%g-C3N4/TiO2 (A30), respectively. Photodegradation studies showed that the A10 composite catalyst could eliminate 71.41% of CBZ within 360 minutes of UVA irradiation.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2022)
Article
Materials Science, Multidisciplinary
Maha Alhaddad et al.
Summary: This study focuses on designing an efficient heterojunction photocatalyst using mesoporous TiO2 framework and Co3O4 NPs for the degradation of antibiotics under visible light. The synthesized 1.5% Co3O4/TiO2 nanocomposite showed the highest degradation performance for ciprofloxacin (CIP) and significantly increased the apparent rate constant, demonstrating excellent stability over five cycles. The S-scheme Co3O4/TiO2 p-n heterojunction construction enhances the generation of active oxidative species for efficient photodegradation of CIP.
Article
Environmental Sciences
Solmaz Feizpoor et al.
Summary: Pharmaceutical residual contaminants in aquatic ecosystems pose severe risks to human health. This research presents the development of a visible light photocatalyst, TiO2/Ag3BiO3 heterojunction, for efficient removal of tetracycline hydrochloride. The enhanced removal efficiency is attributed to improved light absorption capacity and suppressed recombination of photogenerated charge carriers through the formation of n-n heterojunctions. The study also elucidates the mechanism behind the improved degradation efficiency.
ENVIRONMENTAL RESEARCH
(2022)
Article
Engineering, Environmental
Lei Li et al.
Summary: In this study, a trace Fe3+ doped TiO2/Bi2WO6 composite photocatalyst was successfully synthesized and showed enhanced photocatalytic activity for toluene degradation. The optimal molar ratio of TiO2 to Bi2WO6 was found to be 1:2. The improved photocatalytic activity was attributed to the extension of carrier lifetime, increase of visible light absorption range, and formation of oxygen vacancies. Hydroxyl radicals and holes were confirmed to be the key reactive oxygen species (ROS) involved in the photodegradation reaction.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Chemistry, Applied
Benxi Wei et al.
Summary: In this study, amylopectin was degraded using ultrasonication, resulting in a significant decrease in molecular weight with extended processing time. The preferential degradation of larger molecular mass of amylopectin led to the disruption of amylopectin and a narrower molecular size distribution. Break points were observed firstly at B3 chains and then at B2 chains, causing a decrease in branching degree of the samples and making alpha-1,6-glycosidic bonds more likely to break as processing time increased.
FOOD HYDROCOLLOIDS
(2021)
Article
Chemistry, Physical
Yan Bao et al.
Summary: A novel 3D hierarchical urchin-like SiO2@TiO2 sphere with hollow structure and anatase-rutile biphase was synthesized via solvothermal process, and the effects of calcination temperature on its photocatalytic activity were systematically studied. The 3D-UHSTs prepared at a calcination temperature of 700 degrees C exhibited higher photocatalytic activity due to electron transfer and reduced electron/hole recombination. The photocatalytic degradation of RhB followed first-order reaction kinetics, with a rate constant of 0.04654 min(-1).
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Engineering, Environmental
Qiang-Yong Tang et al.
Summary: This study developed 2D heterojunction photocatalysts with enhanced photocatalytic performance by depositing CoS nanoparticles on BiOBr nanosheets. The photocatalyst showed excellent degradation efficiency for glyphosate under visible-light irradiation and exhibited good reusability and stability. This work provides new insights for the design and development of 2D heterojunction photocatalysts.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Optics
Manmohan Lal et al.
Summary: The study found that the calcination temperature has a significant impact on the crystalline properties, band gap, and morphology of TiO2 nanoparticles. Temperatures above 700 degrees Celsius shift the TiO2 spectra to the visible region, while at 400 degrees Celsius the crystalline size of TiO2 nanoparticles is 7.68 nanometers.
Article
Engineering, Environmental
Xu Duan et al.
Summary: In this study, TiO2/ZSM-5 hybrids were developed for the photodegradation of methyl orange in water under UV light using a calcination strategy. The optimal sample, Z-T (450), calcined at 450 degrees Celsius, showed nearly 99% degradation rate for methyl orange due to its uniform distribution, high specific surface area, and efficient charge separation/transfer. The use of calcination not only provides a clean, low-cost, and efficient method for azo dye degradation, but also opens up opportunities for industrial applications of photocatalytic technology.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Chemistry, Physical
Dibyananda Majhi et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2020)
Article
Materials Science, Multidisciplinary
K. Perumal et al.
DIAMOND AND RELATED MATERIALS
(2020)
Article
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Laszlo Korosi et al.
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Environmental Sciences
Qiong Huang et al.
ENVIRONMENTAL TECHNOLOGY
(2019)
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APPLIED SURFACE SCIENCE
(2019)
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Laszlo Korosi et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2018)
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Difa Xu et al.
APPLIED SURFACE SCIENCE
(2017)
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Ruiping Hu et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2015)
Article
Chemistry, Physical
Chengjun Ren et al.
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
(2015)
Article
Engineering, Environmental
Junyao Shen et al.
CHEMICAL ENGINEERING JOURNAL
(2014)
Article
Chemistry, Physical
Xin Xiao et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2013)
Review
Chemistry, Physical
Miguel Pelaez et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2012)
Article
Chemistry, Physical
Sajjad Shamaila et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2010)
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Chemistry, Physical
Hefeng Cheng et al.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2010)
