Chemical Synthesis of a Blue-Emitting NaSr<sub>1−X </sub>PO<sub>4</sub>:Eu<sub>X</sub>Phosphor Powder
作者:Yi-Ling Tung、Jau-Ho Jean
DOI:10.1111/j.1551-2916.2009.03099.x
日期:2009.8
Pure, crystalline, blue‐emitting NaSr1−XPO4:EuX with X=0–0.06 phosphor powder is formed by the thermal decomposition of a metal–nitrate–citrate–polyethylene glycol complex at 1300°C in a reducing atmosphere. The resulting phosphor powder emits blue luminescence with a peak intensity at 428 nm under ultraviolet excitation at 374 nm. Compared with the powder synthesized by a conventional solid‐state reaction, the chemically prepared powder exhibits a higher emission intensity and requires a lower Eu content to reach the maximum intensity.
一种纯的、结晶的、蓝色发光的NaSr1−XPO4:EuX(其中X=0–0.06)荧光粉粉末是通过在1300°C的还原性气氛中分解金属硝酸盐–柠檬酸盐–聚乙二醇复合物而形成的。所得的荧光粉粉末在374 nm的紫外光激发下发出蓝色荧光,峰值强度位于428 nm处。与通过常规固态反应合成的粉末相比,化学法制备的粉末具有更高的发光强度,并且需要更低的铕含量即可达到最大强度。