| 标题 |
 High brightness and light uniformity Tb3Al5O12: Ce3+, Gd3+ phosphors@silica aerogel composites with unique laser scattering performance for laser-driven lighting 具有独特激光散射性能的高亮度和光均匀性Tb3Al5O12：Ce3+，Gd3+荧光粉@二氧化硅气凝胶复合材料用于激光驱动照明
相关领域
材料科学
气凝胶
荧光粉
亮度
激光器
复合材料
光学材料
光散射
散射
光学
光电子学
物理
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| 其它 | Laser diodes (LDs), without the “efficiency droop” phenomenon, can endure high power densities and deliver higher brightness. Consequently, laser-driven white light sources (blue LDs + laser phosphors) that show great potential for lighting applications. However, challenges such as white light nonuniformity and luminance saturation limit their optimization in color rendering index and luminous efficiency. In this study, we introduce silica (SiO2) aerogel as substrate, and employ Tb0.975Gd2.0Ce0.025Al5O12 (TAG: 0.025Ce3+, 2.0Gd3+) phosphor as the luminescence centers to fabricate TAG: 0.025Ce3+, 2.0Gd3+@SiO2 aerogel composites (TAGCG@AG), which can improve the thermal stability of luminescence and the light conversion efficiency. In detail, the SiO2 aerogel acts as an effective thermal insulation medium, reducing thermal deposition from laser irradiation. The activation energy for thermal quenching (ΔE) of TAGCG5%@AG is |
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