The Effect of Phase Structures on the Enhanced Red Upconversion Luminescence in Yb-Er Codoped NaLuF4

• 作 者: XingyuanGuo;WeiyeSong;ShushenLiu;WeipingQin;
• 机 构: State Key Laboratory on Integrated Optoelectronics,College of Physics,College of Electronic Science
• 出 处: 第五届全国掺杂纳米发光性质学术会议
• 发表日期: 2014年期

　　In this work,α-NLT nanocomposites(NCs)and β-NLT NCs with diameter about~13 nm were fabricated by a high temperature decomposition reaction method.The effects of NLT structure on the enhanced red upconversion luminescence performance were investigated.Under 980 nm excitation from a diode laser,The β-NLT emitted dominant green UC emission while the α-NLT emitted dominant red UC emission.Furthermore,the possible ET mechanism was proposed on the basis of our experimental results.