Fang Zaijin, Li Jianfeng, Long Yi, Guan Bai-Ou
Opt Lett. 2020 Jun 1;45(11):3030-3033. doi: 10.1364/OL.393669.
A transparent glass ceramic (GC) is designed via the controllable precipitation of nanocrystals. It is shown that the crystallization in GC deeply depends on the doping of . ions are spontaneously distributed in the fluoride crystal environments without the ionic substitution process of traditional GC. As a result, high-efficiency upconversion (UC) luminescence is achieved in GC. The UC quantum yield value of the --codoped GC is as high as 1.44±0.02, which is more than 20 times higher than the traditional GC containing crystals. The designed GC offers opportunities for the promising development of active optical devices, and the crystallization strategy of this GC provides a powerful solution to conquer the bottleneck in luminescence efficiency of the traditional GCs.
通过纳米晶体的可控沉淀设计了一种透明玻璃陶瓷（GC）。结果表明，GC中的结晶深度依赖于 的掺杂。 离子在氟化物晶体环境中自发分布，无需传统GC的离子取代过程。因此，在GC中实现了高效的上转换（UC）发光。 共掺杂GC的UC量子产率值高达1.44±0.02，比含有 晶体的传统GC高出20多倍。所设计的GC为有源光学器件的蓬勃发展提供了机遇，这种GC的结晶策略为攻克传统GC发光效率瓶颈提供了有力的解决方案。
