4.7 Article

Crystal regulation of BiVO4 for efficient photocatalytic degradation in g-C3N4/BiVO4 heterojunction

Related references

Note: Only part of the references are listed.
Article Materials Science, Ceramics

One dimensional ZnWO4 nanorods coupled with WO3 nanoplates heterojunction composite for efficient photocatalytic and photoelectrochemical activity

G. Mohan Kumar et al.

Summary: In this study, a novel ZnWO4/WO3 semiconductor heterojunction composite was successfully constructed through a one-pot eco-friendly method. The composite exhibited strong light absorption in the visible region and showed remarkable photocatalytic activity compared to pristine ZnWO4 and WO3. This enhanced photocatalytic efficiency was attributed to the formation of a heterojunction interface between WO3 and ZnWO4, facilitating effective transfer and separation of photogenerated carriers.

CERAMICS INTERNATIONAL (2022)

Article Chemistry, Physical

Functional facet isotype junction and semiconductor/r-GO minor Schottky barrier tailored In2S3@r-GO@(040/110)-BiVO4 ternary hybrid

Basudev Baral et al.

Summary: Efficient interfacial exciton transfer and separation are found to enhance photo-activity efficiency in a semiconductor ternary hybrid photocatalyst. The material shows promising performance in detoxification and oxygen evolution, indicating potential applications in energy and environmental fields.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

Article Chemistry, Physical

Selective modification of ultra-thin g-C3N4 nanosheets on the (110) facet of Au/BiVO4 for boosting photocatalytic H2O2 production

Haiyang Shi et al.

Summary: In this study, a BiVO4 single crystal with selective comodification of ultra-thin g-C3N4 and Au was prepared for the first time to improve H2O2 production efficiency, achieving excellent performance in H2O2 production.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

Article Chemistry, Physical

Z-Scheme 2D/2D alpha-Fe2O3/g-C3N4 heterojunction for photocatalytic oxidation of nitric oxide

Yanxian Geng et al.

Summary: The Z-scheme 2D/2D α-Fe2O3/g-C3N4 heterojunction prepared by impregnation-hydrothermal method shows efficient photocatalytic degradation of pollutants with high stability and reusability. The unique structure with high interfacial area and widely-dispersed active sites leads to broad visible-light absorption and promotes charge transfer, resulting in significantly improved efficiency for NO removal compared to g-C3N4 alone.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

Article Chemistry, Physical

Superior photoelectrocatalytic performance of ternary structural BiVO4/GQD/g-C3N4 heterojunction

Mohamad Fakhrul Ridhwan Samsudin et al.

Summary: This study compared the effectiveness of using RGO and GQDs as electron mediators in enhancing the photoelectrocatalytic hydrogen production of BiVO4/g-C3N4. It was found that incorporating GQDs led to significantly improved hydrogen performance, higher photocurrent density, and lower charge transfer resistance compared to RGO. The DFT analysis demonstrated that the enhanced performance with GQDs was due to better electronic cloud density sharing and charge redistribution at the heterostructure interface.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

Article Materials Science, Ceramics

Enhanced interfacial electronic transfer of BiVO4 coupled with 2D g-C3N4 for visible-light photocatalytic performance

Min Xu et al.

Summary: A direct dual semiconductor photocatalytic system of BiVO4/2D g-C3N4 was fabricated through electrostatic self-assembly method, showing high separation efficiency of charge carriers due to built-in electric field and band bending effects. The ultrathin nanosheet structure of 2D g-C3N4 enhanced the built-in electric field, leading to excellent photocatalytic performance with significantly higher reaction rates compared to individual BiVO4 and 2D g-C3N4. The study provides insights into the role of built-in electric field in heterostructures and the fabrication of efficient direct dual semiconductor systems.

JOURNAL OF THE AMERICAN CERAMIC SOCIETY (2021)

Article Chemistry, Multidisciplinary

AgFeO2 Nanoparticle/ZnIn2S4 Microsphere p-n Heterojunctions with Hierarchical Nanostructures for Efficient Visible-Light-Driven H2 Evolution

Dezhi Kong et al.

Summary: This study successfully synthesized a ZnIn2S4/AgFeO2 p-n heterojunction composite, which significantly increased the photocatalytic H-2 evolution rate. Various characterization techniques provided strong evidence for the formation of the p-n heterojunction and the charge carrier transport pathway.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

Article Energy & Fuels

The impact of surface composition on the interfacial energetics and photoelectrochemical properties of BiVO4

Dongho Lee et al.

Summary: The surface Bi:V ratio has a significant impact on the properties of BiVO4 photoanodes, even for the same facet, according to the study. This finding sheds light on the importance of surface composition in influencing the behavior of photoelectrodes for solar fuel production.

NATURE ENERGY (2021)

Article Chemistry, Multidisciplinary

An Inorganic/Organic S-Scheme Heterojunction H2-Production Photocatalyst and its Charge Transfer Mechanism

Chang Cheng et al.

Summary: This study introduces a strategy for preparing high-efficiency photocatalysts by growing inorganic semiconductors on organic semiconductors, leading to the successful synthesis of an S-scheme heterojunction photocatalyst. Through optimization, the composite material exhibits high hydrogen evolution rate and quantum efficiency.

ADVANCED MATERIALS (2021)

Article Chemistry, Physical

Precise location and regulation of active sites for highly efficient photocatalytic synthesis of ammonia by facet-dependent BiVO4 single crystals

Guanhua Zhang et al.

Summary: Based on characterizations and experiments, it was confirmed that the cycle of oxygen vacancy-V4+/V5+ on the (040) facet is the exact active site for the photocatalytic NRR by bismuth vanadate single crystal. V4+ plays a role in N2 chemisorption, V5+ acts as an electron transfer bridge. In contrast, the (110) facet is a more inert facet for the pNRR.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

Article Chemistry, Physical

S-scheme bismuth vanadate and carbon nitride integrating with dual-functional bismuth nanoparticles toward co-efficiently removal formaldehyde under full spectrum light

Meiting Song et al.

Summary: The study investigated the use of a BiVO4/g-C3N4 heterojunction modified by non-noble metal Bi nanoparticles to synergistically degrade formaldehyde under full spectral irradiation. Results showed that the photocatalytic activity of BiVO4/g-C3N4 was significantly improved, achieving a degradation efficiency of 96.39% for HCHO under 300 W Xenon lamp without filter. The photocatalyst also exhibited notable degradation efficiency under visible and near-infrared light, indicating a broad prospect for future applications.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

Article Engineering, Environmental

Novel AgI/BiSbO4 heterojunction for efficient photocatalytic degradation of organic pollutants under visible light: Interfacial electron transfer pathway, DFT calculation and degradation mechanism study

Zhuangzhuang Wang et al.

Summary: A novel AgI/BiSbO4 heterojunction photocatalyst was constructed, enhancing the generation of hydroxyl and superoxide radicals for efficient degradation of organic pollutants. Characterizations and theoretical calculations confirmed strong interfacial charge transfer and the formation of Ag-0 NPs during the photocatalytic process, further promoting the separation of photoinduced carriers. Proposed photocatalytic degradation pathways and mechanisms provide insights for the development of AgI-based heterojunction photocatalysts.

JOURNAL OF HAZARDOUS MATERIALS (2021)

Article Nanoscience & Nanotechnology

Step-Scheme Heterojunction between CdS Nanowires and Facet-Selective Assembly of MnOx-BiVO4 for an Efficient Visible-Light-Driven Overall Water Splitting

Devipriya Gogoi et al.

Summary: The spatial separation and transport of photo-generated charge carriers are crucial for the efficiency of a photocatalyst for solar energy conversion. In this study, a step-scheme CdS/MnOx-BiVO4 photocatalyst was synthesized and showed excellent photocatalytic activity for overall water-splitting reaction under visible light irradiation without sacrificial reagents. The presence of oxygen vacancies, effective charge separation/transfer properties, and strong interaction of cocatalysts with the photocatalysts in the heterojunction contributed to the high photoactivity.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Chemistry, Physical

Z-scheme g-C3N4-AQ-MoO3 photocatalyst with unique electron transfer channel and large reduction area for enhanced sunlight photocatalytic hydrogen production

Xue Ma et al.

Summary: A novel Z-scheme g-C3N4-AQ-MoO3 photocatalyst was proposed, with anthraquinone serving as an e- transfer channel for accelerated electron transfer and suppression of electron-hole recombination, leading to high hydrogen production efficiency. The synergistic effect of rapid electron transfer and large reduction area in the photocatalyst resulted in an efficient Z-scheme system with excellent electron migration rates and high charge separation efficiency.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

Article Chemistry, Physical

Engineering 2D compressed layered g-C3N4 nanosheets by the intercalation of BiVO4-Bi2WO6 composites for boosting photocatalytic activities

Hao Hu et al.

Summary: By introducing bismuth precursors and confining them in compressed carbon nitride layers, a new ternary heterojunction photocatalyst CVW-I was constructed, effectively suppressing the recombination rate of photogenerated electrons and holes and enhancing photocatalytic activity.

APPLIED SURFACE SCIENCE (2021)

Article Engineering, Environmental

In-situ investigation of dye pollutant adsorption performance on graphitic carbon nitride surface: ATR spectroscopy experiment and MD simulation insight

Jun Li et al.

Summary: Experimental and calculation methods were used to investigate the adsorption performances of g-C3N4 surface for organic dye pollutants. A molecular-orientation and force-dominance mechanism adsorption model was proposed based on the combined experimental and calculation results. The study revealed the dominating interactions for MB+ and MO- adsorption, providing fundamental basis for the removal of organic dye pollutants by g-C3N4.

JOURNAL OF HAZARDOUS MATERIALS (2021)

Article Chemistry, Physical

BiVO4/Bi4Ti3O12 heterojunction enabling efficient photocatalytic reduction of CO2 with H2O to CH3OH and CO

Xianying Wang et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2020)

Article Chemistry, Physical

Construction of 2D/2D BiVO4/g-C3N4 nanosheet heterostructures with improved photocatalytic activity

Zhichao Sun et al.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2019)

Article Chemistry, Multidisciplinary

Solid-Solution-Like o-C3N4/Ag2SO4 Nanocomposite as a Direct Z-Scheme Photocatalytic System for Photosynthesis of Active Oxygen Species

Chuanbao Xiong et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2018)

Article Chemistry, Physical

G-C3N4/BiVO4 composites with enhanced and stable visible light photocatalytic activity

Yuexia Ji et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2014)

Article Chemistry, Multidisciplinary

Crystal Facet Dependence of Water Oxidation on BiVO4 Sheets under Visible Light Irradiation

Donge Wang et al.

CHEMISTRY-A EUROPEAN JOURNAL (2011)