Barium Vanadate
Barium vanadate is an inorganic compound with the chemical formula BaV6O16. It is a yellow powder that is insoluble in water but soluble in concentrated acids.
Barium vanadate has a complex crystal structure consisting of interconnected VO4 tetrahedra and BaO8 polyhedra. The compound belongs to the scheelite crystal structure family, which is characterized by the general formula ABO4.
In terms of its properties, barium vanadate is a semiconductor with a bandgap of approximately 2.5 eV. It exhibits high photocatalytic activity, making it useful in applications such as water purification and solar energy conversion.
Barium vanadate can be synthesized through several methods, including solid-state reactions and hydrothermal synthesis. Its purity and crystal structure can be analyzed using techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM).
Overall, barium vanadate is a versatile and promising material for various technological applications due to its unique properties and crystal structure.