高发光性能YAG:Ce陶瓷的制备

IF 0.6 4区材料科学 Q4 MATERIALS SCIENCE, CERAMICS

Glass and Ceramics Pub Date : 2025-05-10 DOI:10.1007/s10717-025-00740-2

V. A. Lapin, A. A. Kravtsov, V. A. Tarala, V. E. Suprunchuk, F. F. Malyavin, D. S. Vakalov

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引用次数: 0

摘要

研究了用反向化学共沉淀法合成YAG:Ce前驱体粉末和发光陶瓷。研究了烧结添加剂（CaO、MgO和TEOS）、Ce3+激发剂浓度、真空烧结温度和空气退火温度对YAG:Ce陶瓷发光性能的影响。确定了获得高发光效率的最佳参数：烧结添加剂浓度为0.01 wt.%，烧结添加剂为TEOS，真空烧结温度为1800℃，含TEOS样品的空气退火温度为600℃。在功率为190 mW、光斑直径约为5 mm的激光照射下，陶瓷样品的发光效率为319 lm/W。

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Preparation of YAG:Ce Ceramics with High Luminescent Properties

This study examines the synthesis of YAG:Ce precursor powder and luminescent ceramics by reverse chemical co-precipitation. We investigated the effects of sintering additives (CaO, MgO, and TEOS), Ce³⁺ activator concentration, vacuum sintering temperature, and the temperature of air annealing on the luminescent properties of YAG:Ce ceramics. The optimal parameters for achieving high luminescence efficiency were defined: sintering additive concentration of 0.01 wt.%, TEOS as the sintering additive, vacuum sintering temperature of 1800°C, and air annealing temperature of 600°C for TEOS-containing samples. A ceramic sample exhibiting a luminescence efficiency of 319 lm/W was achieved under laser radiation with a power of 190 mW and a spot diameter of approximately 5 mm.

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来源期刊

Glass and Ceramics 工程技术-材料科学：硅酸盐

CiteScore

1.00

自引率

16.70%

发文量

审稿时长

6-12 weeks

期刊介绍： Glass and Ceramics reports on advances in basic and applied research and plant production techniques in glass and ceramics. The journal''s broad coverage includes developments in the areas of silicate chemistry, mineralogy and metallurgy, crystal chemistry, solid state reactions, raw materials, phase equilibria, reaction kinetics, physicochemical analysis, physics of dielectrics, and refractories, among others.