Enhanced up-conversion in Er3+-doped transparent glass-ceramics containing NaYbF4 nanocrystals
2013; Elsevier BV; Volume: 152; Linguagem: Inglês
10.1016/j.jlumin.2013.11.042
ISSN1872-7883
AutoresXiaoMan Li, Hai Guo, YunLe Wei, Yanrong Guo, Hang Lu, Hyeon Mi Noh, Jung Hyun Jeong,
Tópico(s)Solid State Laser Technologies
ResumoHighly transparent Er3+ doped oxyfluoride glass-ceramics containing cubic NaYbF4 nanocrystals were fabricated in an aluminosilicate matrix by melt-quenching technique. Their structural properties, optical properties and enhanced up-conversion behaviors were systemically investigated by XRD, TEM, HRTEM techniques and absorption, up-conversion spectra. Excited by 980 nm laser, samples present characteristic emissions of Er3+. Compared with precursor glasses, the intensity of red emission increases by 15 times for GC650 after crystallization. Our work indicates that transparent NaYbF4 glass-ceramics may be used as potential host for up-conversion.
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