期刊
SCIENTIFIC REPORTS
卷 3, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/srep01598
关键词
-
资金
- China State 863 Hi-tech Program [2011AA030203]
- NSFC [U0934001, 60977060, 51102096]
- Guangdong Province and Hong Kong Invite Public Bidding Program [TC10BH07-1]
- Science and Technology Project of Guangdong [2009A090100044, 2009B091300127, cgzhzd0903, 2010B2101230]
- Education Department of Guangdong Province [2009N9100200]
- Fundamental Research Funds for the Central Universities [2009ZM0219, 2011ZG0005, 2011ZB0001]
- state key laboratory of precision spectroscopy
- YNSF of SCUT [E5090880]
Yttrium fluoride YF3:Er3+ and yttrium oxyfluoride YOF:Er3+ submicron-crystals with mid-infrared fluorescent emissions were synthesized for the first time. The rhombohedral phase YOF submicron-crystals were synthesized by the crystalline phase transformation from pure orthorhombic YF3 submicron-crystals, which were prepared by co-precipitation method. The composition and morphology were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and transmission electron microscopy (TEM), which showed that submicron-crystals were quasi-spherical with the particle size of similar to 400 nm. A novel formation mechanism of YOF submicron-crystals was proposed. Photoluminescence (PL) spectra indicated the 2.7 mu m emission of Er3+ has remarkably enhanced with the increase of Er3+ doping concentration, and a novel dynamic circulatory energy transfer mechanism was proposed. Fourier transform infrared spectra (FTIR) were used to demonstrate the change of hydroxyl content. These oxyfluoride submicron-crystals provide a new material for nano/submicron-crystals-glass composites, and open a brand new field for the realization of mid-infrared micro/nano-lasers.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据