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Article
Chemistry, Multidisciplinary
Jing Zou et al.
Summary: This study realizes the acceptor-donor heterointerfacial interactions between black phosphorus (BP) and Co3O4 through wet ball milling, resulting in the preferential migration of active electrons from BP to Co3O4 and the formation of Co3O4/BP heterojunction with superior oxygen bifunctional electrocatalytic activity.
CHINESE CHEMICAL LETTERS
(2023)
Review
Chemistry, Multidisciplinary
Jiamei Wang et al.
Summary: Carbon-based quantum dots (QDs), such as graphene QDs (GQDs), g-C3N4 QDs (CNQDs), MXene QDs (MQDs), and graphdiyne QDs (GDQDs), are a new type of zero-dimensional inorganic materials with superior optical properties, good water solubility, and biocompatibility, which have great potential in materials science, energy, and environmental photocatalysis. However, a comprehensive review of the relevant topics is currently lacking. This review focuses on the applications of emerging carbon-based QD materials in sustainable photocatalysis, covering their structural characteristics, preparation, modification, photocatalytic mechanism, research progress, future developments, and challenges. It is expected to provide valuable scientific guidance for the design, fabrication, and application of carbon-based QD materials.
Article
Chemistry, Physical
Lanxin Wang et al.
Summary: In this study, TiO2/CsPbBr3 S-scheme heterojunctions with modulated internal electric field were synthesized, and charge transfer was controlled by facet engineering to enhance photocatalytic activity. The TiO2-(1 0 1)/CsPbBr3 heterostructures exhibited high selectivity and a significantly improved reduction rate in CO2 reduction.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Lichao Lin et al.
Summary: In this study, a Cu2O/LaTiO2N composite was successfully synthesized by loading Cu2O on LaTiO2N, which improved the photocatalytic performance of Cu2O under visible light. The formation of a type-II heterojunction in the composite facilitated the separation and transfer of electrons and holes.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Engineering, Electrical & Electronic
Huiqin Wang et al.
Summary: In this paper, a g-C3N4/SnS2 type-II heterojunction was constructed using an electrostatic self-assembly method. The g-C3N4/SnS2-60 exhibited significantly enhanced CO photocatalytic activity compared to g-C3N4 and SnS2 nanosheets. The efficient carrier separation efficiency of the composites is mainly derived from the type-II heterojunction structure and the interfacial synergy of the two-dimensional (2D) structure. This work provides new insights for the rational design of 2D heterojunction-based photocatalysts.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2023)
Article
Engineering, Chemical
Wenzhen Qin et al.
Summary: In order to enhance the photocatalytic performance of BiOBr, 2D Zn(OH)2 nanosheets were introduced on 2D BiOBr nanosheets to construct a 2D heterostructure in BiOBr/Zn(OH)2 composites by direct precipitation polymerization.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Engineering, Environmental
Jie Hao et al.
Summary: Isomorphically Sn (IV) doped BiOBr is achieved through a facile chemical method, enhancing the photocatalytic CO2 reduction into CO. The 4Sn-BiOBr sample shows the best activity with a 7.8 times higher CO yield compared to pristine BiOBr, due to the introduction of Sn ions and oxygen vacancies into the crystal lattice of BiOBr. This work provides insights into the tunability of catalytic active sites at the atom-scale and the mechanism of photocatalytic CO2 reduction.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Gaopeng Liu et al.
Summary: Artificial photosynthesis of valuable chemicals from CO2 is a potential way to achieve sustainable carbon cycle. However, the activity of CO2 conversion is still hindered by slow charge kinetics and poor CO2 activation. In this study, Ag nanoparticles coupled with BiOBr were fabricated through in-situ photoreduction. The optimized Ag/BiOBr-2 heterostructure exhibited excellent CO2 photoreduction activity, outperforming pristine BiOBr by a factor of 1.51 and 2.81.
CHINESE CHEMICAL LETTERS
(2023)
Article
Engineering, Chemical
Xiaofang Li et al.
Summary: This study demonstrates the synthesis of defect-rich flower-like BiOBr microspheres and the enhanced photocatalytic activity for NO oxidation and CO2 reduction. The presence of oxygen vacancies plays a crucial role in improving the photoreactivity by enhancing substrate adsorption, expanding light-response range, and increasing charge separation/migration.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Chemistry, Physical
Yining Zhang et al.
Summary: By preparing Ag/CN and Ag/CN/ZnIn2S4 S-scheme heterojunction photocatalysts, the efficiency of CO2 reduction can be enhanced. Ag acts as the reactive sites for electron transport and promotes charge separation. The combination of S-scheme heterojunction and plasmonic effect improves the interface carrier transfer efficiency. This study provides a scheme for the rational design of photocatalytic CO2 reduction S-scheme catalysts.
ACTA PHYSICO-CHIMICA SINICA
(2023)
Article
Chemistry, Physical
Cheng Luo et al.
Summary: In this study, the photocatalytic properties of a Pt-C3N4/BiOCl heterojunction photocatalyst were investigated using density functional theory calculations. The results showed that the heterojunction photocatalyst, composed of single-atom Pt-loaded g-C3N4 and BiOCl, exhibited enhanced photocatalytic activity for CO2 reduction. The introduction of Pt single-atom cocatalysts improved the CO2 reduction performance of the g-C3N4/BiOCl S-scheme photocatalysts by strengthening the interfacial electric field and reducing the energy barrier.
ACTA PHYSICO-CHIMICA SINICA
(2023)
Review
Chemistry, Multidisciplinary
Kang Sun et al.
Summary: Photocatalytic water splitting and CO2 reduction using metal-organic frameworks (MOFs) have great potential for addressing energy and environmental issues. This review discusses the semiconductor-like behavior of MOFs and summarizes recent advances in photocatalytic water splitting and CO2 reduction using MOF-based materials. The unique advantage of MOFs in elucidating the structure-property relationship in photocatalysis is highlighted, along with representative characterization techniques for studying the kinetics and reaction intermediates. The challenges and future directions are also proposed.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Engineering, Chemical
Zeru Qian et al.
Summary: Depositing metal on the surface of semiconductor is an effective strategy to enhance the reducing activity of photocatalyst. In this study, Bi/BiOBr catalyst was prepared via NaBH4-assisted reduction reaction and its photocatalytic capacity for CO2 conversion was evaluated. The optimal Bi/BiOBr showed significantly higher production rates of CO and CH4 compared to original BiOBr, attributed to the synergy of surface plasmon resonance effect of metallic Bi and oxygen vacancies in the surface of BiOBr. The oxygen vacancies on the surface of BiOBr can be considered as reactive locations for CO2 and H2O molecules adsorption. This work reveals the synergistic effect of in-situ formed oxygen vacancies and metal nanoparticles of Bi on enhancing the photocatalytic activity.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Chemistry, Physical
Huiming Zhang et al.
Summary: A novel pg-C3N4/Ag-TiO2 composite catalyst was prepared by using porous defective gC3N4 (pg-C3N4) and Ag doped TiO2, and a three-component S-scheme heterojunction was built. Compared to individual g-C3N4 or Ag-TiO2, the synthesized pg-C3N4/Ag-TiO2 material demonstrates significantly increased photocatalytic activity for the reduction of CO2 and the AQE reaches 2.364%. The improved charge separation efficiency and increased surface area of the catalyst could be responsible for the enhanced photocatalytic performance.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2023)
Article
Engineering, Environmental
Haopeng Jiang et al.
Summary: In this study, a hierarchical Cu2O/Ni-MOF composite photocatalyst with local surface plasmon resonance (SPR) properties was prepared by simple hydrothermal and water bath methods. The SPR of Cu0 expanded the light absorption, provided hot electrons for the reaction system, and greatly improved the photocatalytic activity in coordination with the hierarchical structure and heterostructure. The CO yield of 30%-Cu2O/Ni-MOF was 4.1 times of Cu2O and 11.1 times of Ni-MOF, respectively, in the absence of sacrificial agent. The possible photo-catalytic reaction path was speculated based on in-situ FT-IR. The hierarchical structure, heterostructure, and SPR effect accelerate the kinetics of Cu2O/Ni-MOF photocatalytic reaction, thus improving its photocatalytic activity.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Engineering, Environmental
Maher T. Alshamkhani et al.
Summary: In this study, an electrochemically exfoliated graphene/graphite carbon nitride ((EG)/g-C3N4) heterojunction photocatalyst was synthesized for CO2 photoreduction to methane. The best-performing photocatalyst (0.075 EG-CN) showed a significant enhancement in CH4 production with 98.6% selectivity after 6 hours of light irradiation compared to pure CN. The developed photocatalyst exhibited high stability after consecutive cycles of CO2 photoreduction to CH4.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Chemistry, Physical
Jintao Dong et al.
Summary: The rapid increase in energy shortage and ecological environmental pollution has brought global attention to the utilization of new energy sources and pollution control technologies. Photocatalysis has emerged as a promising approach for environmental governance and energy development due to its low energy consumption and simple operation methods. Constructing a Z-scheme heterojunction in photocatalysts can enhance light absorption, reduce recombination rate of photogenerated electron-hole pairs, and improve photocatalytic performance.
ACTA PHYSICO-CHIMICA SINICA
(2023)
Article
Chemistry, Multidisciplinary
Jianfang Jing et al.
Summary: The dual-porphyrin heterostructure achieves efficient photocatalytic hydrogen evolution with superior activity and efficient charge separation and transfer, while reducing carrier recombination. This is mainly attributed to the giant interfacial electric field formed between dual porphyrins, providing a fresh insight into improving photocatalytic performance through interfacial electric field construction.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Physical
Zerui Miao et al.
Summary: In this study, an AgBr/BiOBr heterojunction with surface oxygen vacancies was synthesized using a simple chemical method, which showed significantly improved photoreduction rates of CO2 compared to pure BiOBr. The unique S-scheme band structure and oxygen vacancies were found to enhance the utilization of sunlight and increase the separation and transfer of photogenerated charge carriers, leading to efficient photocatalytic reduction of CO2.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Inorganic & Nuclear
Qi Liu et al.
Summary: The global economy, environmental problems, and greenhouse effect have been a concern for countries worldwide. This study focuses on the development of hybrid photocatalytic nanostructures to reduce CO2 emissions and improve the efficiency of electron transfer. The introduction of ultrathin Pd nanosheets enhances the reaction and widens the absorption area of the composite material.
INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Physical
Yang Li et al.
Summary: Constructing noble metal-doped g-C3N4/carbon composites is an effective approach to enhance the activity of CO2 photoreduction. This study introduces a novel Ag-doped gC(3)N(4)/biomass-derived carbon composite with unique features, such as highly dispersed Ag nanoparticles and a conductive quasi-spherical hollow structure of BN-C, which significantly improve the CO evolution rate without the need for sacrificial reagents or photosensitizers.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Green & Sustainable Science & Technology
S. -p. Cheng et al.
Summary: The conversion of CO2 to low-carbon fuels using solar energy is an economically attractive and environmentally friendly route. In this study, novel Cu2O/TiO2 heterojunctions were prepared and showed effective photocatalytic CO2-to-CH3OH conversion under visible light irradiation.
Article
Nanoscience & Nanotechnology
Qing Niu et al.
Summary: Solar-driven photoreduction of CO2 into valuable fuels is a sustainable technology to address the energy crisis and greenhouse effect. Researchers have proposed a novel COF/MOF heterojunction photocatalyst through interfacial engineering, achieving efficient reduction of CO2 to CO.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Benlin Dai et al.
Summary: An efficient g-C3N4/Cu2O@Cu plasmonic Step-scheme (S-scheme) heterojunction photocatalyst was successfully designed and used for pollutant degradation and energy generation. The catalyst exhibited excellent stability and high photocatalytic performance, with g-C3N4/Cu2O@Cu-4 showing the highest activity. The effects of environmental factors on the photocatalytic performance were investigated, and the degradation pathway of Bisphenol-S was proposed based on intermediate products.
Editorial Material
Medicine, General & Internal
A. Mirouse
REVUE DE MEDECINE INTERNE
(2022)
Article
Chemistry, Physical
Qingli Wang et al.
Summary: Surface frustrated Lewis pairs (FLP) in bismuth oxybromide (BiOBr) are effective catalytic sites for photocatalytic reduction of CO2. The introduction of Ce4+ and oxygen vacancy enhances the catalytic properties. This study provides insights into the construction of efficient photocatalysts and the understanding of the photocatalytic mechanism at the atomic level.
Article
Energy & Fuels
Zhongliao Wang et al.
Summary: The study demonstrates enhanced CO2 photoreduction activity through an S-scheme BiOBr/NiO heterojunction, showcasing improved understanding of the mechanism through integration of in situ monitoring techniques with density functional theory calculation.
Article
Chemistry, Multidisciplinary
Xiaotong Wang et al.
Summary: A novel photoelectrode C4N@TiO2NR is explored for developing an innovative acid-base/Zn-air hybrid cell capable of harvesting light and chemical neutralization energy, enhancing charge/discharge performance significantly.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Engineering, Chemical
Yu Xie et al.
Summary: Photocatalytic reduction of CO2 is considered an important strategy in solving the environmental and energy crisis. The study found that forming an S-scheme BiOBr/AgBr heterojunction on the surface of BiOBr significantly improved the visible light utilization rate and CO2 conversion rate. This research provides a new direction for preparing efficient photocatalysts for CO2 reduction.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Inorganic & Nuclear
Haopeng Jiang et al.
Summary: This study reports a three-dimensional structure of a ZnIn2S4/Au/CdS composite photocatalyst for CO2 reduction, which greatly promotes the transfer of photogenerated electrons.
INORGANIC CHEMISTRY
(2022)
Article
Nanoscience & Nanotechnology
Mengxia Ji et al.
Summary: The synthesis of ultrathin Bi24O31Cl10 nanosheets with abundant surface oxygen vacancies was achieved through defect engineering, leading to enhanced CO2 adsorption and activation capacity as well as improved photogenerated charge separation and transfer, resulting in higher photocatalytic CO2 conversion efficiency.
ACS APPLIED NANO MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Quanlong Xu et al.
Summary: A new opinion on general design standards for S-scheme heterojunction photocatalyst was recently presented, and four types of S-scheme heterojunctions were analyzed. Specifically, the critical understanding of the curved Fermi level at the interface of S-scheme heterojunction contributes to strengthening and promoting the basic theory of photocatalysis.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Review
Materials Science, Multidisciplinary
Jizhou Jiang et al.
Summary: Due to their unique surface chemistry, highly adjustable metal components, hydrophilicity, and high carrier concentrations, MXenes are widely applied in various scenarios. Building heterostructures with additional materials to form a 3D porous architecture can significantly enhance the functionality and reactivity of MXenes. This review summarizes recent efforts on preparing 3D porous MXenes with heterostructures, and discusses their applications in photocatalysis, environmental monitoring, and electrochemical energy storage.
SCIENCE CHINA-MATERIALS
(2022)
Article
Engineering, Environmental
Li Lin et al.
Summary: An advanced oxidation process using LED blue light and activated ammonium persulfate (APS) with modified waste rock wool fibers (BiOBr/RW) was developed for efficient degradation of tetracycline (TC) in contaminated water. The system exhibited high TC removal efficiency and the reactive species h(+), center dot OH, and center dot SO4- played critical roles in TC degradation. The BiOBr/RW+APS system was stable and effective in recycling.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Chemistry, Applied
Xiaoxue Zhao et al.
Summary: Regulating charge transfer can improve electron utilization and achieve efficient photoreduction of CO2. The S-scheme charge transfer mechanism was demonstrated in the CN/Fe-MOF heterojunction, resulting in higher CO yield and generation of HCOO-.
CHINESE JOURNAL OF CATALYSIS
(2022)
Article
Energy & Fuels
Mingming Hao et al.
Summary: CdS/Bi2WO6-S nanocomposites with superior activity for photocatalytic CO2 reduction were successfully fabricated. The rational interface engineering between CdS and Bi2WO6S plays a crucial role in achieving efficient photocatalysis. The 0.5 CdS/Bi2WO6-S nanocomposite exhibited optimum performance, indicating the importance of rational selection of photocatalysts and delicate tuning of their interface in the fabrication of S-scheme heterojunction photocatalytic systems.
Article
Chemistry, Applied
Nannan Chen et al.
Summary: Constructing step-scheme (S-scheme) heterojunctions can enhance the separation and transfer of photocarriers, as well as improve redox ability. In this study, a BiOBr/Ni2P/g-C3N4 heterojunction was constructed using Ni2P as an electron bridge, leading to excellent visible-light photocatalytic performance. The synergistic effects of the Ni2P cocatalyst and S-scheme heterojunction contributed to the enhanced photocatalytic activity.
CHINESE JOURNAL OF CATALYSIS
(2022)
Article
Chemistry, Applied
Li Wang et al.
Summary: This study focuses on the synthesis of a dual cocatalysts system for photocatalytic solar fuel generation. The system, composed of cobalt phosphide and molybdenum carbide embedded on strontium titanate nanofibers, showed significant improvement in hydrogen evolution and CO2 reduction performance. The structure of the dual cocatalysts system effectively promoted spatial charge separation and enhanced photocatalytic performance. The research provides a theoretical basis and ideas for subsequent studies.
CHINESE JOURNAL OF CATALYSIS
(2022)
Article
Chemistry, Multidisciplinary
Hao Wu et al.
Summary: Encapsulating Cu2O nanowires in metal-organic frameworks (MOFs) enhances activity and stability, facilitates charge separation and CO2 uptake, leading to selective photocatalytic CO2 reduction into CH4. This work demonstrates an effective strategy for CO2 conversion by integrating MOFs with metal oxide photocatalyst.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Physical
Junzheng Zhang et al.
Summary: Photocatalytic CO2 reduction using Cu2O/Ti3C2Tx heterojunction composites shows improved activity due to in situ growth promoting electron-hole pair separation and Ti3C2Tx acting as an electron acceptor for enhanced reduction reaction.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Physical
Xiaoxue Zhao et al.
Summary: The Z-scheme heterojunction of UiO-66-NH2/Cu2O/Cu effectively enhances the photocatalytic conversion of CO2 to CO, with UiO-66-NH2/Cu2O/Cu-0.39 displaying the best activity. Copper serves as both an electron conductor and an active site for CO2 reduction in this system, leading to superior photocatalytic performance.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Qiong Zhu et al.
Summary: The study enhanced the CO2 adsorption capacity and selectivity for carbon reduction through modified amino groups, resulting in a high formic acid yield and stability in the photocatalytic CO2 reduction process.
JOURNAL OF CO2 UTILIZATION
(2021)
Review
Energy & Fuels
Zhengting Zhang et al.
Summary: This review discusses recent advances in photocatalyst design for CO2 conversion, focusing on active sites engineering and carriers lifespan prolonging strategies.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Review
Materials Science, Multidisciplinary
Junwei Fu et al.
Article
Chemistry, Physical
Fan Zhang et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2020)
Article
Chemistry, Applied
Hao Peng et al.
JOURNAL OF RARE EARTHS
(2020)
Review
Chemistry, Multidisciplinary
Quanlong Xu et al.
Article
Engineering, Environmental
Mahmoud Sayed et al.
CHEMICAL ENGINEERING JOURNAL
(2020)
Review
Chemistry, Multidisciplinary
Stefanie Kreft et al.
Article
Nanoscience & Nanotechnology
Shi-Qing Wang et al.
ACS APPLIED NANO MATERIALS
(2020)
Article
Chemistry, Applied
Linlin Sun et al.
CHINESE JOURNAL OF CATALYSIS
(2020)
Review
Chemistry, Physical
Bo Weng et al.
Review
Multidisciplinary Sciences
Ulrich Ulmer et al.
NATURE COMMUNICATIONS
(2019)
Article
Nanoscience & Nanotechnology
Gollapally Naresh et al.
ACS APPLIED MATERIALS & INTERFACES
(2019)
