发光学报2012，Vol.33Issue(5)：470-475,6.DOI:10.3788/fgxb20123305.0470
Yb3+和Er3+共掺杂的CaF2纳米晶近紫外上转换发光
Near-ultraviolet Upconversion Luminescence in CaF2∶ Yb3+, Er3 + Nanocrystals
摘要
Abstract
Near-infrared (NIR) to near-ultraviolet (NUV) upconversion (UP) luminescence properties were explored under 980 nm laser diode (LD) excitation in Yb3 +, Er3+ codoped calcium fluoride (CaF2: Yb3+ , Er3+) nanoparticles. The strong enhancement at 407 nm was observed. The results show that the UV enhancement is independent on both the Er + concentration and the excited power, while dependent on the annealed time and the particle size. The UP mechanical and thermodynamics process were also discussed.关键词
稀土/纳米晶/近红外/近紫外/上转换发光Key words
rare earth/ nanoparticles/ near infrared/ near vultraviolet/ upconversion emission分类
数理科学引用本文复制引用
张继森,张立国,任建岳,段佩华,吕少哲..Yb3+和Er3+共掺杂的CaF2纳米晶近紫外上转换发光[J].发光学报,2012,33(5):470-475,6.基金项目
国家自然科学基金(11174276,11174278)资助项目 （11174276,11174278）
