Quantum dot light-emitting diode (QLED) displays are considered a next-generation technology, but previously reported quantum dots (QDs) consisting of heavy metals are toxic and harmful. This work examined earth-abundant, metal-free, graphitic C 3 N 4 (g-C 3 N 4 ...
钇铝石榴石结构黄色荧光粉 Y 3 Al 5 O 12 :Ce( 简称 YAG:Ce) 发光效率高、环境稳定性好、热稳定性相对较高,广泛应用于白光 LED 器件封装,特别是在大功率家用、户外照明以及汽车灯等方面, YAG:Ce 荧光粉具有其它荧光粉不可替代的竞争优势。在不同种类 LED 荧光粉中, YAG:Ce 也是用量最大的荧光粉。利用 G ...