| abstract |
The invention provides a transparent fluorescent silicon-aluminum-oxynitride ceramic with fluorescence and light transmittance and a preparation method thereof. This transparent fluorescent sialon is composed of a sialon phosphor containing a silicon nitride system represented by the general formula Mx(Si,Al) y (N,O) z The parent and luminescent center element composed of the compound, in the formula, M is at least one selected from the group consisting of Li, alkaline earth metals and rare earth metals, 0≤x/z<3, 0<y/z<1. |