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通过共晶焊接封装提高Ce:YAG透明陶瓷的荧光输出

Fluorescence Output Enhancement of Ce:YAG Transparent Ceramics by Eutectic Soldering Packaging.

作者信息

Yi Xuezhuan, Sai Qinglin, Tian Yanna, Jiang Renjie, Li Mingqin

机构信息

Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China.

出版信息

Materials (Basel). 2025 Feb 28;18(5):1081. doi: 10.3390/ma18051081.

DOI:10.3390/ma18051081
PMID:40077307
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11901220/
Abstract

This paper demonstrates the application of eutectic welding to Ce:YAG transparent ceramics for reliable detection and imaging of UV emission, particularly focusing on demanding conditions, such as high repetition rate, high energy, and high vacuum. A series of Ce:YAG transparent ceramics with different Ce doping concentrations (0.1 at%, 0.3 at%, 0.5 at%, and 1.0 at%) were prepared via vacuum sintering. Their crystal microstructure, luminescence properties, transmittance, and fluorescence lifetime were studied. It was found that the optimal Ce doping concentration is 0.3 at%. The measured ultraviolet-to-visible energy conversion efficiency of the 0.3 at% Ce:YAG transparent ceramics with a thickness of 1.0 mm is 3.9%. Compared with silicone encapsulated Ce:YAG transparent ceramic samples, the eutectic-soldered samples exhibited excellent resistance to temperature quenching of the luminescence, which indicates that eutectic welding can effectively improve the fluorescence performance of Ce:YAG transparent ceramics for the application of deep ultraviolet light detection.

摘要

本文展示了共晶焊接在Ce:YAG透明陶瓷中的应用，用于可靠地检测和成像紫外发射，尤其关注诸如高重复率、高能量和高真空等苛刻条件。通过真空烧结制备了一系列具有不同Ce掺杂浓度（0.1 at%、0.3 at%、0.5 at%和1.0 at%）的Ce:YAG透明陶瓷。研究了它们的晶体微观结构、发光特性、透过率和荧光寿命。发现最佳Ce掺杂浓度为0.3 at%。厚度为1.0 mm的0.3 at% Ce:YAG透明陶瓷的测量紫外-可见能量转换效率为3.9%。与硅酮封装的Ce:YAG透明陶瓷样品相比，共晶焊接样品表现出优异的发光温度猝灭抗性，这表明共晶焊接可以有效提高Ce:YAG透明陶瓷在深紫外光检测应用中的荧光性能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15de/11901220/b67e33ef4c82/materials-18-01081-g014.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15de/11901220/acab2dac6380/materials-18-01081-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15de/11901220/8154d804b8bb/materials-18-01081-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15de/11901220/b9120a712f8b/materials-18-01081-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15de/11901220/b67e33ef4c82/materials-18-01081-g014.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15de/11901220/4d9e866113c7/materials-18-01081-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15de/11901220/50fc50c0c269/materials-18-01081-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15de/11901220/acab2dac6380/materials-18-01081-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15de/11901220/8154d804b8bb/materials-18-01081-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15de/11901220/b9120a712f8b/materials-18-01081-g011.jpg
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YAG:Ce Phosphor: From Micron-Sized Workhorse for General Lighting to a Bright Future on the Nanoscale.YAG:Ce 荧光粉：从用于普通照明的微米级主力产品到纳米级的光明未来。
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Quenching of the red Mn luminescence in Mn-doped fluoride LED phosphors.
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