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Review
Chemistry, Physical
Joel Jie Foo et al.
Summary: In recent years, 2D bismuth-based nanomaterials have emerged as promising photocatalysts for solar fuel conversion. However, their weak light absorption and fast charge recombination have limited their commercial applications. Therefore, recent research has focused on modifying these materials to improve their photocatalytic performance, and the rational design of heterostructures from different dimensions has been discussed.
Article
Chemistry, Physical
Yao Deng et al.
Summary: The effect of Bi/Ag double quantum dots on plasmon resonance and PMS activation was investigated. Bi/Ag double quantum dots were generated in situ on hollow Bi2MoO6 microspheres by stepwise irradiation using a high-energy β electron beam. The formation of Bi/Ag DQDs greatly optimized the light absorption of Bi2MoO6. The introduction of DQDs reduced the band gap and enhanced the SPR effect of Bi QDs, resulting in a highly efficient degradation of antibiotics in water.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Physical
Laura Collado et al.
Summary: Russelite bismuth tungstate (Bi2WO6) is a material with excellent optoelectronic properties, which can be used for photocatalytic degradation and mineralization of pollutants and organic compounds. This study proposes the development of Bi2WO6/TiO2 heterojunctions for CO2 photoreduction, showing potential for producing fuels, alleviating global warming, and addressing fossil fuel shortage.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Engineering, Environmental
Jue Liu et al.
Summary: A novel In2O3/AgI heterojunction with a hollow tubular structure and evenly distributed AgI particles on In2O3 microtubes was fabricated and showed much higher photocatalytic activity towards tetracycline degradation than In2O3 and AgI. The presence of InAg-1 achieved 98.4% removal of tetracycline in 10 minutes under visible light illumination and demonstrated excellent reusability and stability. The heterojunction also exhibited excellent performance in different water matrices and under natural sunlight, indicating its potential in practical applications. The superior photocatalytic activity is attributed to the heterojunction formation, oxygen vacancies, and the formation of a Z-scheme heterojunction between In2O3 and AgI.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Environmental Sciences
N. Ramesh Reddy et al.
Summary: The study synthesizes sharp-edged pencil-type ZnO flowers and BiOI flakes using a hydrothermal process, and combines them with carbon nanofibers (CNFs) to form a hetero hybrid catalyst (ZnO-BiOI@CNFs). The hybrid catalyst exhibits significantly enhanced degradation of azo dyes under solar simulator exposure compared to pristine ZnO and BiOI nanostructures. The degradation rate of the hybrid catalyst reaches 95%, which is 1.8 times higher than ZnO and 2.1 times higher than BiOI nanostructures. The hybrid catalyst also demonstrates efficient degradation of mixed dyes, providing valuable insights for commercialization and industrialization. The superior performance is attributed to the unique structure of ZnO, larger absorption zone, high surface area, reactive sites, and reduced recombination rate with a heterojunction interface, as well as the electron trap and sink capability of CNFs.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Engineering, Environmental
Junjing Li et al.
Summary: In this study, a plain strategy for fabrication of a novel composite ZnO/CuCo2O4 was designed, and it was applied as a catalyst for peroxymonosulfate (PMS) activation to decompose enrofloxacin (ENR) under simulated sunlight. The results showed that the ZnO/CuCo2O4 composite could significantly activate PMS under simulated sunlight, leading to the generation of more active radicals for ENR degradation. The study also evaluated the influences of various experimental factors on ENR degradation and proposed several reasonable ENR degradation pathways. The novel strategy provided by this study integrates state-of-the-art material science and advanced oxidation technology for wastewater treatment and environmental remediation.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Kaiwen Zhu et al.
Summary: A novel 0D/0D ZnS/Ag6Si2O7 heterojunction photocatalyst was successfully prepared by a simple hydrothermal-calcination method, and its structure and morphology were characterized. The results showed that the addition of Ag6Si2O7 greatly enhanced the photocatalytic performance of ZnS nanoparticles. The construction of 0D/0D heterojunction and the close interfacial contact between ZnS and Ag6Si2O7 accelerated the transfer and separation of photoexcited e--h+ pairs, leading to improved photocatalytic performance.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2023)
Article
Chemistry, Applied
Erfan Hakim Azmal Zaid et al.
JOURNAL OF RARE EARTHS
(2023)
Article
Chemistry, Analytical
Yuting Shuai et al.
Summary: NiO/BiVO4 p-n heterojunction microspheres were synthesized using hydrothermal method for detection of triethylamine (TEA), which poses great danger to human health and environment. The prepared samples were characterized using XRD, XPS, SEM, UV-vis, and EIS. Among the different samples, the 10%NiO-BiVO4 sensor exhibited excellent gas sensing properties with fast response/recovery times, high humidity resistance, and low detection limit (3.42 ppb) towards TEA. The enhanced mechanism of the NiO/BiVO4 p-n heterojunction microsphere was also proposed. Therefore, coupling NiO with BiVO4 to form NiO-BiVO4 can be an effective strategy for improving TEA gas sensors.
SENSORS AND ACTUATORS B-CHEMICAL
(2023)
Article
Materials Science, Multidisciplinary
Fengjuan Miao et al.
Summary: A sensitive photoelectrochemical method for detecting Cd2+ ions was successfully developed using Pd/ZnS/ZnO nano-particle modified electrodes. The ZnS/ZnO bilayer material was prepared via hydrothermal method on a nickel foam substrate and the three-layer nanomaterial photoelectric sensor was prepared using pulse plating method. Electrochemical and photoelectrochemical tests demonstrated that the composite electrode exhibited excellent electronic conductivity, enhanced photosensitivity, and a detection response range of 0.1 μM-100 μM for Cd2+, with superior sensitivity, selectivity, and lower detection limit compared to conventional Cd2+ sensors.
Article
Materials Science, Multidisciplinary
Lianyun Cheng et al.
Summary: Driven by environmental degradation, the gas sensor constructed with metal oxide semi-conductor (MOS) has rapidly developed due to its suitability for monitoring different hazardous gases. This paper presents a CdS-ZnO n-n heterojunction approach to enhance the sensing performance of ZnO for triethylamine (TEA). Compared to the pure ZnO sensor, the hybrid CdS/ZnO sensor exhibits significant improvements in TEA sensing performance, including lower operating temperature (reduced from 200 to 160 degrees C), higher sensitivity (0.214/ppm vs 0.068/ppm to 1-200 ppm TEA), better selectivity, and faster response speed.
Article
Chemistry, Physical
Si -Tong Guo et al.
Summary: In this study, a chlorine (Cl)-modified Cu2O/ZnO heterostructure photocathode (CCZO) with high CH4 faradaic efficiency (88.6%) and durability (over 5 h) is presented. The Cl ions in CCZO stabilize Cu2O against photo-corrosion and promote the hydrogenation of *CO intermediate, leading to the selective reduction of CO2 to CH4. The catalytic mechanism of CCZO in modulating the energy barrier of intermediate *CO combined with H+ is elucidated, providing a new idea for developing high selectivity and stable catalysts for CO2 reduction.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Engineering, Environmental
Muhammad Ahmad et al.
Summary: Developing efficient methods for deep desulphurization of commercial fuel is critical. Photocatalytic oxidative desulphurization (PODS) is a promising method that has gained attention due to its low temperature and pressure requirements. In this study, a novel heterostructure h-ZIF-8@Cu/Ni/ZnO@CNTs photocatalyst was developed for selective PODS of coal and fuel.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Qian Yang et al.
Summary: The Cs0.33WO3/(t-m)-BiVO4 double-Z heterojunction photocatalysts were prepared using photodeposition method and Cs0.33WO3 photothermal effect. After 180 min of reaction to Visible/NIR light, the dual Z-type heterojunction photocatalyst degraded 40 mg/L TC at the rates of 90.49 % and 91.94 %, respectively. The TOC removal rates were 73.41 % and 75.85 %, respectively. Moreover, the double Z-type heterojunction photocatalyst has good degradation stability and broad-spectrum degradability in the full spectral range. The presence of small polariton leap effects in Cs0.33WO3 crystals radiates energy in the form of phonons and raises the temperature of the liquid-phase reaction system, and the photothermal-photocatalytic synergy accelerates and enhances the degradation catalytic activity of the heterojunction. The synergistic contribution of photothermal effectphotocatalysis applied to environmental purification is presented in this study as a novel and practical research proposal.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Environmental Sciences
Wenhui Chen et al.
Summary: One-dimensional shaped ZnGa2O4, ZnO, and ZnGa2O4/ZnO nanofibers were prepared using the electrostatic spinning technique. The photocatalytic degradation performance of tetracycline hydrochloride (TC-HCl) was studied, and it was found that the S-scheme heterojunction formed in ZnGa2O4/ZnO significantly improved the photocatalytic performance. By optimizing the ratio of ZnGa2O4 and ZnO, the degradation rate of TC-HCl reached 0.0573 min-1, which was 20 times higher than its self-degradation rate. Capture experiments confirmed the crucial role of h+ in the efficient decomposition of TC-HCl. This work provides a new method for highly efficient photocatalytic degradation of TC-HCl.
ENVIRONMENTAL RESEARCH
(2023)
Article
Chemistry, Physical
Mingyue Wang et al.
Summary: In this work, core-shell ZnO polyhedrons coated by Co nanoparticle embedded in N-doped carbon (ZnO@Co/NC) were prepared using zeolitic imidazolate frameworks as precursors. The unique structural design not only forms a conductive network to promote ion transfer, but also restrains the volume changes of ZnO polyhedron, enhancing the storage performance of lithium and potassium.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Regitha Manoharan et al.
Summary: The synthesis of materials that can harvest both photon energy and mechanical energy is beneficial for addressing the current energy shortage and enhancing the photocatalytic properties of the material.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Multidisciplinary
Liusha Cen et al.
Summary: Semiconductor-metal-organic framework (MOF) hybrid photocatalysts, especially zinc-based metal-organic framework (ZIF-8), have shown great potential in treating dyeing wastewater. In this study, gourd-shaped ZIF-8/TiO2 nanocomposites were synthesized on anatase TiO2 and then supported on PVDF electrospinning nanofibers to form ZIF-8/TiO2 nanofibers (ZIF-8/TiO2 NFs). The ZIF-8/TiO2 NFs demonstrated high photocatalytic degradation efficiency of Rhodamine B, reaching 95.4% with a mass ratio of 2:1 and a loading rate of 10%. The synergistic action of ZIF-8 and TiO2 significantly enhanced the photocatalytic capacity of ZIF-8/TiO2 NFs.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2023)
Article
Chemistry, Physical
Hadi Seyyedbagheri et al.
Summary: In this study, a novel ZnO/PbBiO2Cl heterostructure nanocomposite was fabricated using a simple hydrothermal method. The nanocomposite showed excellent efficiency in degrading tetracycline (TC) under visible light, with a degradation rate of approximately 97% in 150 minutes. The photocatalytic activity of the ZnO/PbBiO2Cl (40%) sample was significantly higher than that of pure zinc oxide and ZnO/PbBiO2Cl (40%) samples in the presence of persulfate (PS), achieving complete TC removal in just 50 minutes. The results provide valuable insights into the potential use of stable ZnO/PbBiO2Cl photocatalysts for efficient removal of TC pharmaceutical pollutants.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Chemistry, Physical
Rongdi Tang et al.
Summary: In this study, sulfur and sodium co-doped cyano-rich polymeric carbon nitride (NaCNS) was designed to enhance the photocatalytic degradation of atrazine (ATZ) with peroxymonosulfate (PMS) assistance. NaCNS was synthesized through a two-step thermal condensation method with the presence of sodium chloride and cysteine. Batch experiments showed that the reaction rate constant of NaCNS was significantly increased by nearly sixfold compared to pristine carbon nitride. The enhanced photocatalytic performance was attributed to the dual modulation of NaCNS, with sodium acting as a PMS activation site and the cyano and sulfur forming an electronic push-pull system for improved photocarrier separation.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Physical
Chenghang Jiang et al.
Summary: A m-Bi2O3/Ta2O5 electrocatalyst with high selectivity towards H2O2 has been successfully synthesized, exhibiting an outstanding selectivity of 94.7% compared to Ta2O5 (80.9%) and Bi2O3 (81.7%). The electrocatalyst also shows high H2O2 yield and Faraday Efficiency, and can efficiently deactivate bacteria. This study presents a high-selective electrocatalyst for the two-electron pathway of oxygen reduction reaction and provides a new perspective for electrocatalyst design.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Physical
Aiwen Wang et al.
Summary: Solar driven semiconductor photocatalytic oxidation is a sustainable environmental remediation method. Designing an ideal interface for efficient photogenerated carrier transfer/separation is crucial for improving the photocatalytic performance. In this study, a yolk@shell reactor was established by loading MOF derived ZnO clusters on ultrathin Bi2MoO6. The constructed heterojunction showed great ability to degrade doxycycline under visible-light through the S-scheme transfer path.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Physical
Han Li et al.
APPLIED SURFACE SCIENCE
(2023)
Article
Materials Science, Multidisciplinary
Xiaohua Jia et al.
Summary: A new core-shell structure of ZnO@ZIF-CoZn was successfully synthesized for highly sensitive and stable monitoring of ethanol. The synthesized material exhibited excellent gas sensitivity, selectivity, and a lower optimal working temperature compared to pure ZnO. Based on its unique nanostructure, low cost, and promising ethanol sensing performance, ZnO@ZIF-CoZn is expected to become a candidate material in the ethanol sensor market.
Article
Chemistry, Physical
Nuray Celebi et al.
Summary: The carbon-incorporated yolk-shell ZnO@C-CeO2 ternary heterostructures demonstrate efficient photoelectrochemical water splitting performance under visible light, with high photocurrent density and low photoluminescence intensity, indicating enhanced photon absorption and charge separation efficiency. The Z-scheme charge transfer mechanism using these heterostructures is verified, suggesting their potential for sunlight conversion to hydrogen fuels.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Review
Engineering, Environmental
F. H. Abdullah et al.
Summary: This review summarizes recent advances in the fabrication, modification, and industrial application of zinc oxide (ZnO) photocatalysts for wastewater treatment, highlighting the potential for improved efficiency and use of renewable resources in greener photocatalytic technologies.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Fucheng Yu et al.
Summary: In this study, a two-step method was used to prepare ZnO/ZnS-based composite photocatalyst, and the structural properties of ZnO nanorods were controlled by doping La element. The experimental results showed that doping 1.5% La element can achieve the best UV-vis absorbance and photocatalytic performance of the composite material. Furthermore, it was found that the photo-generated carrier transfer mechanism in the composite material could be changed from Z-scheme to type-II by doping La element.
JOURNAL OF MATERIALS SCIENCE
(2022)
Article
Engineering, Environmental
Aiwen Wang et al.
Summary: The study successfully prepared nitrogen-doped ZnO carbon skeleton@Bi2MoO6 for photocatalytic degradation of sulfamethoxazole, achieving enhanced separation and migration of photo-generated electrons and holes through the construction of a special 3D layered structure and oxygen vacancies.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Chemistry, Physical
Zhu Tang et al.
Summary: In this study, a monolithic photocatalyst that can simulate the respiratory process was synthesized to accelerate the adsorption of CO2 and desorption of CH4 during photocatalytic reaction. By coupling the external magnetic field, a photo-thermal-magnetic field synergy was achieved, leading to improved charge transfer behavior and increased breathing efficiency. The monolithic NF@ZnO/Au@ZIF-8 photocatalyst exhibited high stability and selectivity.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Review
Engineering, Environmental
Zhenlin Mo et al.
Summary: This study summarizes the application of Zeolite imidazolium skeleton-8 (ZIF-8) based composite materials in heavy metal wastewater treatment. The ZIF-8 based composite materials have good adsorption capacity and recyclability, addressing the issues of agglomeration and separation difficulty of other ZIF particles in water. The study also compares the performance of ZIFs and other metal-organic frameworks materials in heavy metal ion removal.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Agricultural Engineering
Chun Shi et al.
Summary: Designing a green method to enhance the utilization of photocatalysts on solar energy is significant. The porous ZnO-based catalysts with different valence copper (CuO-ZnOCel-T and Cu-ZnOCel-T) showed excellent photocatalytic activities. The reduction of CuO-ZnOCel-T to Cu-ZnOCel-T using wheat straw significantly improved the CO production rate, indicating the potential of biomass materials in tailoring catalyst performance.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Chemistry, Physical
Dayu Li et al.
Summary: BiOBr and BiOBr/ZnO were synthesized using a simple hydrothermal method and modified by plasma treatment. Characterization results showed that the plasma treatment did not affect their basic morphologies but altered the surface chemical bonding, leading to improved photocatalytic activity.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Materials Science, Characterization & Testing
Yi-Jing Li et al.
Summary: In this study, a novel membrane was developed by incorporating ZnO@ZIF-8 nanoparticles into PVDF substrates, resulting in improved antifouling property. The modified membrane showed high pure water flux and flux recovery rate, as well as high separation efficiency and degradation rate in 4-NP degradation test.
Article
Chemistry, Physical
Aiwen Wang et al.
Summary: This study successfully addresses the limitations of adsorption technology in fully mineralizing pollutants and the potential health risks from metal ion leakage. A micro-nanoreactor structure is designed with glutaraldehyde crosslinked chitosan as the backbone and encapsulated MOF-derived Co-Fe nitrogen-doped graphitic carbon as the activated PMS reaction center (Co-Fe/NC@GCS). High concentration sulfamethoxazole can be efficiently enriched through electrostatic attraction and hydrogen bonding, and a small amount of PMS can be rapidly activated.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Physical
Jiajia Wu et al.
Summary: The study developed a hierarchical erythroid-like BiVO4/hm-C4N3 direct Z-Scheme heterojunction, achieving overall photocatalytic CO2 and H2O conversion to CO and O2 without any sacrificial reagent and co-catalyst. The optimized catalyst demonstrated high CO production rate and selectivity.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Engineering, Environmental
Peng Xu et al.
Summary: Ag2O/ZnO/rGO heterojunction photocatalysts were synthesized for efficient removal of bisphenol A under simulated solar light. Ag doping and loading on rGO significantly improved the separation efficiency of electron-hole pairs, resulting in enhanced photocatalytic performance. The materials exhibited excellent photostability and pH adaptability, showing great potential for application in degrading emerging organic pollutants in wastewater.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Chemistry, Analytical
Xiao Chang et al.
Summary: The study shows that chrysanthemum tea derived NPC can form ZnO/NPC heterostructure as a novel acetone sensor, with significantly higher response compared to pure ZnO and NPC. DFT calculations demonstrate stronger adsorption energy between acetone molecules and ZnO/NPC heterostructure.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Multidisciplinary
Jun Zhang et al.
Summary: The study developed an effective strategy to facilitate CO2 activation and reduction by in situ growth of ZnO nanowire arrays on the electronic-rich surface of N-doped reduced graphene oxide. The composite material showed significantly enhanced photocatalytic CO2 reduction to CH3OH performance, with 3D N-rGO acting as a trifunctional co-catalyst supporting the growth of ZnO NWAs, improving electron-hole pair separation, and serving as CO2 adsorption and reduction active sites. This work demonstrates a promising multifunctional co-catalyst for the photoreduction of CO2.
JOURNAL OF CO2 UTILIZATION
(2021)
Review
Materials Science, Multidisciplinary
G. Greczynski et al.
PROGRESS IN MATERIALS SCIENCE
(2020)
Review
Materials Science, Ceramics
Boshra Ghanbari Shohany et al.
CERAMICS INTERNATIONAL
(2020)
Article
Chemistry, Physical
Xizhuang Liang et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2020)
Article
Engineering, Environmental
Sha Chen et al.
CHEMICAL ENGINEERING JOURNAL
(2020)
Article
Engineering, Environmental
Cuicui Hu et al.
JOURNAL OF HAZARDOUS MATERIALS
(2020)
Article
Engineering, Environmental
Hailin Tian et al.
JOURNAL OF HAZARDOUS MATERIALS
(2020)
Article
Chemistry, Physical
Guping Zhang et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2019)
Article
Materials Science, Multidisciplinary
Fucheng Yu et al.
MATERIALS RESEARCH EXPRESS
(2019)
Article
Chemistry, Physical
Xiaonan Hu et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2019)
Article
Chemistry, Physical
G. Greczynski et al.
APPLIED SURFACE SCIENCE
(2018)
Review
Chemistry, Multidisciplinary
Jingxiang Low et al.
ADVANCED MATERIALS
(2017)
Article
Chemistry, Physical
Weilai Yu et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2016)
Article
Chemistry, Physical
Taifeng Liu et al.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2015)