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Article
Energy & Fuels
Xiaoyu Zhou et al.
Summary: By using the α-Fe2O3/g-C3N4/HNTs composite material, efficient photocatalytic desulfurization of dibenzothiophene in model oil under visible light can be achieved. The unique structure of the composite material promotes the transfer and separation of photogenerated carriers, thereby enhancing the efficiency of photocatalytic reactions.
Article
Engineering, Environmental
Ting Wu et al.
Summary: A high-performance piezoelectric photocatalyst was developed to improve the removal efficiency of tetracycline hydrochloride. The photocatalyst introduced a piezoelectric effect and constructed a heterojunction structure. The removal efficiency was further enhanced by ultrasound. The immobilized photocatalyst floated on the water surface, enabling easy recovery.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Engineering, Environmental
Abdul Hannan Asif et al.
Summary: Rational design of graphitic carbon nitride (g-C3N4) engineered hematite (Fe2O3)/reduced graphene oxide (rGO) photocatalysts has been successfully employed for visible-light-driven photo-Fenton-like degradation of sulfamethoxazole (SMX). The optimal photocatalyst showed exceptional performance due to the successful integration of g-C3N4/Fe2O3/rGO, enabling efficient separation and migration of photoinduced charge carriers (e/h+). The study also optimized the photochemical decomposition efficiency by analyzing important reaction parameters such as catalyst loading, H2O2 dosage, pH, and temperature, and proposed a possible mechanism for SMX degradation based on the generation of reactive species and degradation intermediates.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Materials Science, Ceramics
Zheng Wu et al.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Multidisciplinary
Wei Li et al.
Summary: In this study, single-atom catalysis on two-dimensional graphene and electride heterostructures was investigated using first-principles calculations. The electron gas in the electride layer facilitated a significant transfer of electrons to the graphene layer, which could be controlled by the choice of electride. The charge transfer effectively modified the d-orbital electron occupancy of a single metal atom, leading to enhanced catalytic activity for hydrogen evolution and oxygen reduction reactions. The strong correlation between adsorption energy and charge transfer suggested that interfacial charge transfer is a crucial catalytic descriptor for heterostructure-based catalysts. The polynomial regression model demonstrated the importance of charge transfer and accurately predicted the adsorption energy of ions and molecules. This study offers a strategy for obtaining high-efficiency single-atom catalysts using two-dimensional heterostructures.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Chemistry, Multidisciplinary
Zheng Wu et al.
Summary: Pyroelectric materials can convert thermal energy into electrical energy. The use of 2D g-C3N4 nanosheets as catalysts can achieve efficient pyro-catalytic performance, which can be applied in wastewater treatment.
Article
Engineering, Environmental
Yutang Yu et al.
Summary: Graphitic carbon nitride (g-C3N4)-based nanomaterials have unique properties and have attracted much attention. This review summarizes the advances in g-C3N4 based materials, including synthesis, modification, adsorption and photocatalysis mechanism, and environmental applications. The review focuses on the environmental applications using g-C3N4 based composite and provides valuable insights for researchers in the field.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Jie Liu et al.
Summary: In this paper, ZnIn2S4/TiO2-x (ZIS/TiVo) heterojunction was synthesized by adjusting the ratio of ZIS to TiVo and Vo concentration. The strong interaction between sulfur sites and Ti3+/Vo was proved by various characterizations, which generated synergy along the interface of heterojunction. This synergy extended light response, facilitated charge separation and transfer, stabilized S and Vo sites, and provided active sites for water activation, resulting in higher H2 production activity compared to TiO2 and ZnIn2S4.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Hongxia Fang et al.
Summary: To alleviate antibiotic problems in the aqueous environment, the integrated photocatalysis/sulfate-based catalytic systems have attracted widespread attention. In this study, a Mo2C/alpha-Fe2O3 heterojunction with oxygen vacancies was prepared and applied for tetracycline-TC degradation. The results showed that 8%-Mo2C/alpha-Fe2O3 coupled with PMS/Vis conditions exhibited the highest degradation efficiency and excellent repeatability.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Review
Chemistry, Physical
Qichang Zhang et al.
Summary: Due to the environmental crisis and the limitations of traditional treatment technologies, there is an urgent need to propose an emerging, environmentally friendly, and sustainable method of decomposing wastewater. Piezocatalytic BaTiO3 catalyst is considered an ideal candidate for the effective decomposition of harmful organic wastewater, and there are many strategies to enhance its performance. This review introduces the synthesis of piezo-electric BaTiO3 catalysts, the mechanism of BaTiO3 piezocatalysis for wastewater treatment, the piezocatalytic energy sources, and strategies for enhancing its performance. The conclusions and perspectives of BaTiO3-based piezocatalysis are also discussed.
Article
Chemistry, Multidisciplinary
Haijie Ben et al.
Summary: Local charge polarization induced by intrinsic zwitterionic resonance structure effectively redistributes and separates charge carriers in photocatalysts, leading to enhanced photocatalytic activities. The novel SQ-COF-1 catalyst with the largest local polarization exhibits superior visible-light-driven photocatalytic performance compared to SQ-COF-2, PDA-COF, and common polymeric carbon nitride photocatalyst. This work presents a promising protocol for engineering charge behavior to advance the design of high-performance photocatalytic materials in the future.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Engineering, Environmental
Zeqing Long et al.
Summary: This study prepared Cu2+-doped BiOCl microsphere photocatalysts and investigated the effects of Cu2+ doping ratio on the properties of BiOCl. Results showed that Cu2+ doping increased the light absorption range and decreased the electron recombination rate, leading to enhanced photocatalytic activity.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Materials Science, Ceramics
Namrata Pattanayak et al.
Summary: We report the influence of Al doping on the structural, morphological and vibrational properties of hematite, synthesized by the hydrothermal method. The results indicate that Al doping induces a compressive strain in the lattice and influences the growth mechanism of hematite crystallites. Temperature dependent Raman studies reveal anomalous behavior associated with the Morin transition in Al doped hematite.
CERAMICS INTERNATIONAL
(2022)
Article
Engineering, Environmental
Dujuan Dai et al.
Summary: The study presents the design and fabrication of g-C3N4/ITO/Co-BiVO4 composite as a Z-scheme water splitting system. The photocatalytic activity is enhanced by the solid-state mediator ITO nanoparticles. Under full arc irradiation, the composite exhibits 4 times higher evolution rates of H2 and O2 compared to gC(3)N(4)/Co-BiVO4.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Environmental
Yingnan Sun et al.
Summary: A unique, biplanar, pi-pi conjugated, ultrathin, porous supramolecular photocatalyst (hp-PDi-NA) was prepared by terminal substitution of Perylene diimide (PDI) with nicotinic acid (NA). hp-PDI-NA exhibited significantly improved photocatalytic activity and stability compared to nano-PDI, showing strong degradation and mineralization ability for phenol, antibiotics, and hormones. The mechanism explaining the influence of the biplanar structure on the photocatalytic activity was proposed based on theoretical calculations. Terminal substitution with aromatic compounds is an important strategy for enhancing the performance of PDI supramolecular photocatalysts.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Yadi Yao et al.
Summary: Hydrothermally-synthesized barium titanate (BaTiO3) nanofibers are mechanically milled to improve their piezocatalytic performance for RhB dye decomposition. The enhancement in piezocatalysis may be attributed to the increased specific surface area and strengthened ferroelectric polarization of the BaTiO3 nanofibers after mechanical milling. This convenient and effective method provides a significant increase in the piezocatalytic activity of BaTiO3 nanofibers.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Engineering, Environmental
Yajing Yang et al.
Summary: A novel Bi@BiOx(OH)y-modified oxidized g-C3N4 photocatalyst was successfully prepared via wet chemical reduction under alkaline conditions. The modified photocatalyst showed excellent light response capability, adsorption capacity, and high efficiency in removing tetracycline hydrochloride. These effects were attributed to the specific surface area, active sites, bandgap width, Bi-SPR effect, and BiOx(OH)y electron trap caused by the loaded Bi groups.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Multidisciplinary Sciences
Yan Zhang et al.
Summary: Photocatalytic hydrogen production is a promising technology for solving energy and environmental problems. The development of new photocatalytic materials is crucial for its advancement. This research successfully prepared a ternary composite catalyst of MoS2/Fe2O3/g-C3N4 using a hydrothermal method, which exhibited superior photocatalytic performance. The composite catalyst showed a higher hydrogen production rate compared to the single-component catalyst g-C3N4, mainly due to enhanced light absorption and increased specific surface area. The successful preparation of the composite catalyst also resulted in improved stability and repeatability.
SCIENTIFIC REPORTS
(2022)
Article
Chemistry, Physical
Uttam Kumar et al.
Summary: A magnetically recyclable photocatalyst was prepared and shown to produce significant H2O2 from pure water under visible light irradiation. The H2O2 produced by this process efficiently degraded the organic pollutant tetracycline.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Physical
Cagdas Yavuz et al.
Summary: This study designed a ternary nanocomposite for photocatalytic degradation of waste materials and hydrogen generation. The ternary material showed high photocatalytic activities for hydrogen evolution and dye degradation in aqueous solutions.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Multidisciplinary
Zheng Wu et al.
Summary: Ferroelectric Bi0.5Na0.5TiO3 lead-free nanomaterials synthesized by sol-gel method exhibit explicit pyro-catalytic performance and are effective in purifying dye wastewater.
Article
Chemistry, Physical
Mengyang Du et al.
Summary: In this study, the electronic structure and surface basicity of pyrovanadate materials were regulated by changing the A-site element. The results showed that Ni2V2O7 had the strongest crystal field and the largest splitting of V 3d orbitals, resulting in the highest mobility of photogenerated electrons. Furthermore, the CO2-TPD results revealed that Ni2+ had the strongest surface basicity. Compared to other pyrovanadates, Ni(2)V(2)O(7) exhibited the highest CO yield. Cu2V2O7 was not suitable for CO2 reduction due to its positive conduction band position caused by the splitting of the Cu 3d orbital.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Physical
Zohreh Masoumi et al.
Summary: In this study, WS2 nanosheets were prepared through a liquid-phase exfoliation method and loaded on alpha-Fe(2)O(3)photoanodes to form core-shell structured photoanodes. These structures have advantages of effective separation, decreased recombination of electron-hole pairs, and increased electron transport properties, resulting in improved PEC performance.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Physical
Xiaoxue Ma et al.
Summary: An immobilized Z-scheme Fe2O3/CuFe2O4|Cu photocatalyst composite film was prepared using a solid-state chemical reaction method. The unique structure of the composite film allows for simultaneous photocatalytic degradation and hydrogen production reactions. The composite film showed high efficiency in degrading organic pollutants and producing hydrogen under simulated sunlight irradiation. It also exhibited good stability and reusability, making it a potential solution for large-scale wastewater treatment and hydrogen production.
APPLIED SURFACE SCIENCE
(2022)
Article
Materials Science, Ceramics
Tufeng He et al.
Summary: This study achieves dual catalytic effect of light and vibration by introducing piezoelectric materials. The mixture of AgNbO3 and LiTaO3 decomposes nearly 96% of Rhodamine B under dual excitation, demonstrating the significant decomposition performance of the catalyst.
JOURNAL OF ADVANCED CERAMICS
(2022)
Article
Engineering, Environmental
Amit Kumar et al.
Summary: A novel three dimensional silicate glass matrix coupled with Cu2O/Cu2V2O7 p-n heterojunction showed promising results in treating pharmaceutical contaminated water, achieving high removal rates of sulfamethoxazole. The use of natural sunlight and internal reflection significantly improved the photocatalytic efficiency, paving the way for future opportunities in degrading recalcitrant pharmaceutical pollutants.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Engineering, Electrical & Electronic
S. Muthamizh et al.
Summary: The recent attention to nanostructured metal vanadates is due to their remarkable performances in catalysis, electronic devices, energy storage, and conversion. In this study, a facile and template-free method was used to synthesize beta-Cu2V2O7 nanorods, which showed high catalytic efficiency and good stability in electrochemical performance. The results indicate beta-Cu2V2O7 as a prospective material for energy storage applications.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2021)
Article
Energy & Fuels
Muhammad Ashraf et al.
Summary: The research focuses on investigating novel materials with controlled morphology for solar-driven conversions, leading to the synthesis of a novel trimetallic CZVO hybrid with unique bifunctional, non-sacrificial photoresponse. The XPS analysis confirmed the Type-(I) heterojunction formation between CVO and ZVO in CZVO, contributing to the significant improvement in performance. Optimization of CZVO-opt demonstrated the highest photodegradation and photocurrent density, attributed to the firm contact and uniform distribution of ZVO NPs over CVO interlayered nanosheets with suppresses charge recombination.
Article
Engineering, Environmental
Jing Deng et al.
Summary: Sulfur-doped alpha-Fe2O3 has been successfully synthesized and applied in activating persulfate for carbamazepine degradation under UV irradiation, showing significantly enhanced photocatalytic performance. The introduction of water matrix species exerted different effects on CBZ degradation, and the degradation process involved the generation of various radicals leading to the destruction of CBZ molecules through hydroxylation, deamination, and subsequent reactions according to HPLC-MS and DFT analysis.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Silviya Ninova et al.
JOURNAL OF CHEMICAL PHYSICS
(2020)
Review
Chemistry, Physical
Sha Chen et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2020)
Article
Chemistry, Multidisciplinary
Yong Wang et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2019)
Article
Chemistry, Physical
Shankara S. Kalanur et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2019)
Article
Multidisciplinary Sciences
Na Mao
SCIENTIFIC REPORTS
(2019)
Article
Chemistry, Physical
Xuqiang Hao et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2018)
Article
Chemistry, Physical
Nguyen Thi Thanh Truc et al.
APPLIED SURFACE SCIENCE
(2018)
Article
Energy & Fuels
Quanlong Xu et al.
Article
Chemistry, Physical
Yong Wang et al.
JOURNAL OF ALLOYS AND COMPOUNDS
(2017)
Article
Chemistry, Physical
Min-woo Kim et al.
JOURNAL OF ALLOYS AND COMPOUNDS
(2017)
Article
Chemistry, Multidisciplinary
Sancan Han et al.
ADVANCED FUNCTIONAL MATERIALS
(2014)
Article
Chemistry, Inorganic & Nuclear
Liqiao Chen et al.
INORGANIC CHEMISTRY
(2010)
