Superior X-ray phosphor Gd2O2S: Tb as scintillators for x-ray imaging
Gadolinium oxysulfide,Terbium-doped is known as a superior X-ray phosphor with an energy efficiency of emission in the visible spectral region up to 0.2. Besides Gd2O2S: Tb has a high density with 7.5 g/cm3, and shows a not too long decay time, ∼600μs. These properties make forming ceramic scintillators from this powder phosphor attractive. Ceramic scintillators are profitably employed in X-ray tomography.
| Green phosphor JUP-1243X |
| Code No.: | JUP-1243X |
| Synonyms: | Gadolinium oxide sulfide (Gd2O2S), terbium-doped Gadolinium oxysulfide, terbium-doped Terbium-doped gadolinium oxysulfide GOS phosphor; P43 phosphor Superior X-ray powder phosphor |
| Formula: | Gd2O2S:Tb |
| CAS No.: | 68609-43-8 |
| EINECS No.: | |
| Purpose: | It is light green powder. The material is emitted green light excitated by X ray. It is the material used as luminophore for manufacturing X ray intensifying screens, ceramic scintillators, CCD detector, projection CRTs, flat panel detectors, X-ray tomography and etc. |
| Technology Index: | |
| 1.No visible mechanical impurity is allowed inside the powder | |
| 2.No remains through screen 80 interval/cm | |
| 3.Density:7.5g/cm³ | |
| 4.Median particle diameter:D50≤12μm | |
| 5.Relative luminosity: ≥100% of the standard sample | |
| 6.Color coordinate: x=0.322±0.005, y=0.507±0.005 | |
| 7.Main peak wavelength of the emitting spectrum:545nm | |
