Low-heating solid-state chemical synthesis of monoclinic scheelite BiVO 4 with different morphologies and their enhanced photocatalytic property under visible light
Source abstract
Abstract
Abstract The monoclinic scheelite BiVO 4 with different morphologies were synthesized by low-heating solid-state chemical reaction method without template or organic surfactant. The addition of weak base NaHCO 3 can change the morphology of BiVO 4 from polyhedrons to peanut-like and rice-like shape because that the base changed the microenvironment of the reaction system, increased the nucleation rate of product and hindered the further growth of the original product particle in process of solid-state reaction. Among the as-fabricated BiVO 4 samples, the rice-like sample showed the best photocatalytic activity of 98.2% degradation for methylene blue solution after irradiation of 2 h under visible light, which attributed to the efficient separation of photoexcited electrons and holes that improved the quantum efficiency during the photodegradation process. With the help of scavengers, OH and O 2− were proved to be the main reactive species for the degradation of methylene blue.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · Gas Sensing Nanomaterials and Sensors · Catalytic Processes in Materials Science
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (34)
Show source-provided references
1. Environmental applications of semiconductor photocatalysis10.1021/cr00033a004 ↗
2. Photoctalytic decomposition and oxidation of dimethyl ether over Au/TiO210.1016/j.jcat.2014.03.005 ↗
3. Cu2O/TiO2 heterostructured hollow sphere with enhanced visible light photocatalytic activity10.1016/j.materresbull.2015.07.030 ↗
4. Enhanced photocatalytic performance of Ag3PO4 by simutaneous loading of Ag nanoparticles and Fe(III) cocatalyst10.1016/j.apcatb.2014.06.015 ↗
5. Bi2WO6 micro/nano-structures: synthesis modifications and visible-light-driven photocatalytic applications
6. A facile mixed-solvothermal route to γ-Bi2MoO6 nanoflakes and their visible-light-responsive photocatalytic activity10.1016/j.materresbull.2013.05.104 ↗
7. Open porous BiVO4 nanomaterials: electronspinning fabrication and enhanced visible light photocatalytic activity10.1016/j.materresbull.2015.10.051 ↗
8. A novel aqueous process for preparation of crystal form-controlled and highly crystalline BiVO4 powder from layered vanadates at room temperature and its photocatalytic and photophysical properties10.1021/ja992541y ↗
9. Selective oxidation of sulfides on Pt/BiVO4 photocatalyst under visible light irradiation using water as the oxygen source and dioxygen as the electron acceptor10.1016/j.jcat.2015.08.029 ↗
10. Surfactant-free synthesis of hyperbranched monoclinic bismuth vanadate and its applications in photocatalysis, gas sensing, and lithium-ion batteries10.1002/chem.200701053 ↗
11. The pH-controlled {040} facets orientation of BiVO4 photocatalysts with different morphologies for enhanced visible light photocatalytic performance10.1016/j.matlet.2015.09.138 ↗
12. P. Liu, Morphology-controlled growth of BiVO4 crystals by hydrothermal method assisted with ethylene glycol and ethylenediamine and their photocatalytic activity10.1016/j.matchemphys.2015.09.015 ↗
13. Characterization and photocatalytic properties of N-doped BiVO4 synthesized via a sol-gel method10.1016/j.jallcom.2012.08.140 ↗
14. Facile synthesis of nanostructured monoclinic bismuth vanadate by a co-precipitation method: structural, optical and photocatalytic properties10.1016/j.mssp.2014.10.026 ↗
15. A sonochemical route to visible-light-driven high-activity BiVO4 photocatalyst10.1016/j.molcata.2006.01.052 ↗
16. Enhanced photocatalytic activity of hierarchically structured BiVO4 oriented along {040} facets with different morphologies10.1016/j.matlet.2015.02.021 ↗
17. Self-assembled three-dimensional hierarchical BiVO4 microspheres from nanoplates: malic acid-assisted hydrothermal synthesis and photocatalytic activities10.1246/cl.2009.962 ↗
18. Rapid synthesis of ZnO nano-rods by one-step room-temperature, solid-state reaction and their gas-sensing properties10.1088/0957-4484/17/9/032 ↗
19. Directed synthesis of TiO2 nanorods and their photocatalytic activity10.1016/j.ceramint.2014.03.187 ↗
20. Engineering the metathesis and oxidation-reduction reaction in solid state at room temperature for nanosynthesis
21. A general strategy for synthesis of metal nanoparticles by a solid-state redox route under ambient conditions10.1039/c3ta14427e ↗
22. Solid-state synthesis of ZnS/graphene nanocomposites with enhanced photocatalytic activity10.1016/j.dyepig.2015.03.030 ↗
23. Photoelectrolysis and physical properties of the semiconducting electrode WO210.1063/1.323948 ↗
24. Novel synthesis and photocatalytic performance of BiVO4 with tunable morphologies and macroscopic structures10.1016/j.mssp.2015.04.040 ↗
25. Surfactant-assisted hydrothermal fabrication and visible-light-driven photocatalytic degradation of methylene blue over multiple morphological BiVO4 single-crystallites10.1016/j.matchemphys.2010.08.071 ↗
26. Single-crystalline BiVO4 microtubes with square cross-sections: microstructure, growth mechanism, and photocatalytic property10.1021/jp065155t ↗
27. Controllable synthesis of three-dimensional well-defined BiVO4 mesocrystals via a facile additive-free aqueous strategy10.1021/cg0705761 ↗
28. Single-crystalline BiVO4 microtubes with square cross-sections: microstructure, growth mechanism, and photocatalytic property10.1021/jp065155t ↗
29. Selective preparation of monoclinic and tetragonal BiVO4 with scheelite structure and their photocatalytic properties10.1021/cm0103390 ↗
30. Solvothermal synthesis and characterization of well-dispersed monoclinic olive-like BiVO4 aggregates10.1016/j.matlet.2013.03.111 ↗
31. A novel calcined Bi2WO6/BiVO4 heterojunction photocatalyst with highly enhanced photocatalytic activity10.1016/j.cej.2013.10.001 ↗
32. Fabrication of a novel p–n heterojunction photocatalyst n-BiVO4@p-MoS2 with core–shell structure and its excellent visible-light photocatalytic reduction and oxidation activities10.1016/j.apcatb.2015.12.023 ↗
33. Synthesis and characterization of novel BiVO4/Ag3VO4 heterojunction with enhanced visible-light-driven photocatalytic degradation of dyes10.1021/acssuschemeng.5b00690 ↗
34. Fabrication of an exfoliated graphitic carbon nitride as a highly active visible light photocatalyst10.1039/C5TA08406G ↗