ZHANG Wen-jun, LIN Jian, SUN Guang-yao, JIA Yu-jie, QIAN Shuai, REN Jun-jiang, RONG Liang. Influence of Silver Nanocrystallites on The Upconversion Properties in Tm/Yb Co-doped Tellurite Glasses[J]. Chinese Journal of Luminescence, 2013,34(5): 559-564
ZHANG Wen-jun, LIN Jian, SUN Guang-yao, JIA Yu-jie, QIAN Shuai, REN Jun-jiang, RONG Liang. Influence of Silver Nanocrystallites on The Upconversion Properties in Tm/Yb Co-doped Tellurite Glasses[J]. Chinese Journal of Luminescence, 2013,34(5): 559-564 DOI: 10.3788/fgxb20133405.0559.
Influence of Silver Nanocrystallites on The Upconversion Properties in Tm/Yb Co-doped Tellurite Glasses
By introducing Ag nanocrystallites into rare earth ions doped tellurite glass
the fluorescence intensity were enhanced through surface plasmon resonance (SPR)
and the up-conversion luminous efficiency were improved obviously. The influence of Ag nanocrystallites on Tm
3+
/Yb
3+
co-doped tellurate glass was studied
and the up-conversion luminescence mechanism was also discussed. The results show that Ag nanocrystallites with the size from 5 to 8 nm were gained by heat treatment under 330℃ for 30 min. After introducing Ag nanocrystallites
the three-photon absorption of blue-red transition in glass turn to two-photon absorption. Because of the enhanced local field surface plasmon resonance and the energy transfer between Ag and Tm
3+
the fluorescence intensity of Ag-contained glass is 5 times more than glass without Ag nanocrystallites.
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