UV Phosphors YOX
Coarse YOX
UV Phosphors - Coarse YOX
| General Characteristics of UV Phosphors - Coarse YOX |
| Name | Yttrium Oxide:Eu Coarse |
| Chemical Formula | Y2O3:Eu |
| Application | Red component triband phosphor mix for compact fluorescent lamps (CFL) |
| Processing | Stirrer or Ball mill |
| Suspension Type | Butyl acetate or Water |
| Packaging | 35 kg in 50 ltr steel drum |
| Optical Characteristics of UV Phosphors - Coarse YOX |
| —————— 254 nm excitation —————— |
| » Quantum efficiency | 84% |
| » UV absorption | 81% |
| » Wavelength at peak | 612 nm |
| » Bandwidth (50%) | 2 nm |
| » Excitation peak | 233 nm |
| —————— C.I.E. Chromaticity Coordinates —————— |
| » Powder | x = 0.643 Y = 0.344 |
| » Lamp TLD 36W | x = 0.575 Y = 0.326 |
| —————— Lumen Output 100h (TLD 36W) —————— |
| » Nominal | 2574 lm |
| Physical Characteristics of UV Phosphors - Coarse YOX |
| Body Colour | White |
| Specific Gravity | 5.00 |
| Particle Size Distribution | By Laser Diffraction (Sympatec - HELOS) |
| » fraction £ 1.8 µm | £ 6.0% |
| » fraction £ 12.5 µm | 55.0 ± 12% |
| » fraction £ 25.0 µm | ³ 90.0% |
| Crystal Structure | Bixbyite |
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