基于硅酸盐体系白光LED用荧光粉研究现状.pdf

LED / 5 LED * 1 1 2 1 , , , ( 1 , 400045; 2 , 400000) 以硅酸盐为基质的白光LED 用荧光粉材料, 具有良好的化学稳定性热稳定性合成工艺简单 优点, 成为研究的热点详细介绍了目前基于硅酸盐体系白光 LED 用荧光粉的研究现状, 重点阐述了近年来二元硅酸盐 三元硅酸盐和其它硅酸盐荧光粉在制备合成发光性能方面的最新进展, 最后展望了硅酸盐体系白光 LED 用荧光 粉的制备工艺发光性能以及新材料的开发 LED Progress Based on Silicate System as W itelig t P osp ors Used for LED 1 1 2 1 ZH ANG Dingfei , T ANG An , YANG Liu , LI Pengc eng ( 1 College of Materials Science and Engineering, C ongqing University, C ongqing 400045; 2 Qland T ec nology Co. , Ltd, C ongqing 400000) Abstract Silicate as an excellent p osp or used for w itelig t LED, ex ibits good properties for c emical and t ermal stability , sim ple synt esis tec nology, and is ext ensively investigated in recent years. Its lastest progress in t e preparation, synt esis and t e luminescent properties about binary, ternary and ot er silicates is illuminated. T e development of prospects concerning silicate as w it elig t LED p osp ors for preparation process, luminescent pro perties and new materials are depicted. Key words silicate, w itelig t LED, p osp or , 0 20 , LED , 3+ [ 13, 14] YA G [( Y, Gd) 3Al5 O12 Ce ] [ 1- 3] [ 15] LED LED , , ,