高浓度敏化剂掺杂的NaYF4:Yb3+,Er3+纳米材料的合成及发光性能研究
吴启晓1,2, 赵谡玲1,2,*, 徐征1,2, 宋丹丹1,2, 乔泊1,2, 张俊杰1,2, 左鹏飞1,2

Synthesis and Upconversion Mechanism of NaYF4:Yb3+,Er3+ Nanocrystal Doped with Different Concentration of Sensitizer
WU Qi-xiao1,2, ZHAO Su-ling1,2,*, XU Zheng1,2, SONG Dan-dan1,2, QIAO Bo1,2, ZHANG Jun-jie1,2, ZUO Peng-fei1,2
(a)NaYF4:Yb3+,Er3+ (Yb3+/Er3+=20/2); (b)NaYF4:Yb3+,Er3+(Yb3+/Er3+=50/2) 和(c)NaYF4:Yb3+,Er3+(Yb3+/Er3+=90/2)纳米晶体在不同泵浦功率下(980 nm)的上转换荧光光谱, (d)上转换发光积分红绿比与泵浦功率的关系