As a visible-light response semiconductor materials, bismuth vanadate (BiVO) is extensively applied in photodegradation organic dye field. In this study, we synthesized CN nanosheets and coupled with decahedral BiVO to construct a Z-scheme CN/BiVO heterostructure with close interface contact. By introducing CN into BiVO, the built Z-scheme transfer pathway provides silky channel for charge carrier migration between different moieties and enables photoexcited electrons and holes accumulated on the surface of BiVO and CN. The accelerated separation of charge carriers ensures CN/BiVO heterostructures with a powerful oxidation capacity compared with pure BiVO. Due to the synergistic effect in Z-scheme heterostructure, the CN/BiVO demonstrated an improved photodegradation ability of rhodamine B (RhB) and methylene blue (MB) that of bare BiVO.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1007/s11356-024-32086-7 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Nitrogen vacancy mediated g-CN/BiVO Z-scheme heterostructure nanostructures for exceptional photocatalytic performance.
Environ Res
December 2024
School of Materials and Chemistry, Analytical and Testing Center, Innovation Center of Nuclear Environmental Safety Technology, Southwest University of Science and Technology, Mianyang, 621010, China. Electronic address:
In this work, a novel V-g-CN/BiVO (V-CN/BVO) Z-scheme heterojunction photocatalyst was formed by introducing nitrogen vacancies (V) and constructing heterojunction, which is able to efficiently degrade the representative contaminant rhodamine B (RhB) upon exposure to visible-light, resulting in an outstanding degradation rate of 98.91% of RhB within 30 min. This photocatalyst exhibits catalytic universality and allows the degradation of methylene blue (MB, 97.
View Article and Find Full Text PDFSurface Modifications of Layered Perovskite Oxysulfide Photocatalyst YTiOS to Enhance Visible-Light-Driven Water Splitting.
Adv Sci (Weinh)
January 2025
Research Initiative for Supra-Materials, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, 4-17-1 Wakasato, Nagano-shi, Nagano, 380-8553, Japan.
Increasing the efficiency of visible-light-driven water splitting systems will require improvements in the charge separation characteristics and redox reaction kinetics associated with narrow-bandgap photocatalysts. Although the traditional approach of loading a single cocatalyst on selective facets provides reaction sites and reduces the reaction overpotential, pronounced surface charge carrier recombination still results in limited efficiency increases. The present study demonstrates a significant improvement in the hydrogen evolution activity of the layered single-crystal photocatalyst YTiOS.
View Article and Find Full Text PDFSimultaneous photocatalytic removal of tetracycline and hexavalent chromium by BiVO/0.6CdS photocatalyst: Insights into the performance, evaluation, calculation and mechanism.
J Colloid Interface Sci
August 2024
School of Chemistry and Chemical Engineering, Guangxi University, 530004 Nanning, PR China; National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Bio-refinery, Institute of Eco-Environmental Research, Guangxi Academy of Sciences, 98 Daling Road, 530007 Nanning, PR China. Electronic address:
In this study, a novel Z-scheme heterojunction on bismuth vanadium/cadmium sulfide (BiVO/0.6CdS) was developed and evaluated for simultaneous photocatalytic removal of combined tetracycline (TC) and hexavalent chromium Cr(Ⅵ) pollution under visible light. Based on the analysis of intermediate products and theoretical calculation, the property of the intermediate products of TC degradation and the effect of built-in electric field (IEF) of composite materials on photo-generated carrier separation were illustrated.
View Article and Find Full Text PDFCdS QDs grown on ellipsoidal BiVO for efficient photocatalytic degradation of tetracycline.
Dalton Trans
May 2024
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 122 Luoshi Road, 430070 Wuhan, Hubei, China.
Designing efficient, inexpensive, and stable photocatalysts to degrade organic pollutants and antibiotics has become an effective way for environmental remediation. In this work, we successfully performed growth of CdS QDs on the surface of elliptical BiVO to try to show the advantage of the binary heterojuncted photocatalyst (BVO@CdS) for the photocatalytic degradation of tetracycline (TC). The growth of CdS QDs can provide a large number of reactive sites and also generate a larger contact area with BiVO.
View Article and Find Full Text PDFSynergistic effect of Ag@CN with BiVO in a unique Z-type heterojunction for enhancing photoelectrochemical water splitting performance.
Phys Chem Chem Phys
April 2024
Institute of Materials for Energy and Environment, College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, P. R. China.
In the realm of photoelectrochemical technology, the enhancement of photogenerated charge carrier separation is pivotal for the advancement of energy conversion performance. Carbon nitride (CN) is established as a photocatalytic material with significant potential and exhibits unique advantages in addressing the issue of rapid recombination of photogenerated carriers. This study utilized an efficient doping method that combined Mo,W-doped BiVO (Mo,W:BVO) with silver-loaded CN (Ag@CN), yielding an all-solid-state Mo,W:BVO/Ag@CN heterostructure that effectively augments the separation efficiency of electron-hole pairs.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!