Sensitized Ho3+ up-conversion luminescence in Nd3+–Yb3+–Ho3+ co-doped ZrF4-based glass
作者： J. Qiu , M. Shojiya , Y. Kawamoto
DOI: 10.1063/1.370822
关键词:
摘要: As previously reported, a selectively strong green emission due to the Ho3+: (5F4, 5S2)→5I8 transitions is observed in Nd3+–Ho3+ co-doped ZrF4-based fluoride glasses under 800 nm excitation. an attempt more enhance Ho3+ up-conversion luminescences glasses, Yb3+ ions were added glasses. result it was found that, excitation of 60ZrF4⋅30BaF2⋅(8−x)LaF3⋅1NdF3⋅xYbF3⋅1HoF3 (x=0 7), sensitized are at around 490 (blue), 545 (green), and 650 (red), which correspond 5F3→5I8, (5F4, 5S2)→5I8, 5F5→5I8 transitions, respectively. The intensities red emissions 3 mol % YbF3-containing glass about 50 times stronger than those no glass. This based on sensitization ions. In particular, extremely so that Nd3+–Yb3+ –Ho3+ have high possibility realizing up-con...
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