Vanadium yttrium oxide(VYO4), europium-doped
- CAS number
- 68585-81-9
- Molecular weight
- 203.84495
- Molecular formula / chemical symbol
- YVO4:Eu
Description
White powder. Cubic crystal system zircon type structure. Relative density 4.2. For luminescent material, in 253.7 nm ultraviolet excitation can be a red fluorescence, the main peak wavelength of 620 nm. Powder of the quantum efficiency of about 100%, exciting light reflectivity 0.049. Monochromatic fluorescent lamp lighting efficiency about 44.0 lm/W, in cathode ray stimulate the luminous efficacy 253 lm/W.
USES
Mainly used for high pressure mercury lamp, color TV display tube phosphors.
Keywords:Electronic chemicals