本发明属于荧光材料技术领域，公开了一种Ce3+激活氮化物橙红色荧光材料和发光装置及其制备方法和应用。所述Ce3+激活氮化物橙红色荧光材料的分子通式为HP‑Ca1‑x‑ySryCexSi1‑zAlzN2，HP为高压相的简称，Ce元素进入Ca和/或Sr的晶体格位，作为发光元素和激活剂，0＜x≤0.05，0≤y≤0.05，0≤z≤0.05。本发明提供的Ce3+激活氮化物橙红色荧光材料能够被蓝光有效激发，可以通过调控实现发射峰值波长最长达到615nm，半峰宽最大达到4212cm‑1，量子产量最高达到56.3％，在高功率照明领域具有良好的应用前景。

The invention belongs to the technical field of fluorescent materials, and discloses a Ce < 3 + > activated nitride orange red fluorescent material, a light-emitting device and a preparation method and application thereof. The molecular general formula of the Ce < 3 + > activated nitride orange red fluorescent material is HP-Ca < 1-x-y > SryCexSi < 1-z > AlzN2, wherein HP is abbreviated as a high-pressure phase, Ce enters crystal lattice sites of Ca and/or Sr and serves as a light-emitting element and an activating agent, x is larger than 0 and smaller than or equal to 0.05, y is larger than or equal to 0 and smaller than or equal to 0.05, and z is larger than or equal to 0 and smaller than or equal to 0.05. The Ce < 3 + > activated nitride orange red fluorescent material can be effectively excited by blue light, the longest emission peak wavelength can reach 615nm, the maximum half-peak width can reach 4212cm <-1 >, the maximum quantum yield can reach 56.3%, and the Ce < 3 + > activated nitride orange red fluorescent material has a good application prospect in the field of high-power illumination.