Hu Yue, Li Zheng, Pan Wei
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University Beijing 100084 P. R. China
RSC Adv. 2018 Apr 10;8(24):13200-13204. doi: 10.1039/c8ra02195c. eCollection 2018 Apr 9.
We report a novel sandwich-like Ce, Yb:YLaZrO transparent ceramic, which shows efficient UV/Vis to NIR downconversion luminescence with a broad conversion window (250 nm to 650 nm), owing to its graded defective structure. The solar spectrum conversion efficiency is improved by 3.6 fold, compared with the homogenous material.
我们报道了一种新型的三明治状铈、镱掺杂钇镧锆酸盐透明陶瓷,由于其具有梯度缺陷结构,该陶瓷展现出高效的紫外/可见光到近红外的下转换发光特性,转换窗口较宽(250纳米至650纳米)。与均匀材料相比,该陶瓷的太阳光谱转换效率提高了3.6倍。