期刊
OPTICS EXPRESS
卷 22, 期 1, 页码 369-376出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.22.000369
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资金
- 973 Project [2013CB632101]
- NSFC [61036001, 11274155]
- PAPD
Co-doping size-tunable SnO2 nanocrystals into Er3+ ions embedded silica thin films produces an enhancement of Er-related nearinfrared emission by three orders of magnitude. Selective PL and PLE measurements show that energy transfer process occurs between SnO2 nanocrystals and Er3+ ions. Quantitative studies of PL decay lifetime and photoluminescence temperature-dependence demonstrate that both high energy transfer efficiency from SnO2 nanocrystals to Er3+ ions and the partial incorporation of Er3+ ions into SnO2 nanocrystals contribute to the near-infrared emission enhancement. All these results indicated that SnO2 nanocrystals with suitable size have great potentials in fabricating highefficiency near-infrared luminous materials as sensitizers of Er3+ ions. (C)2014 Optical Society of America
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