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OPTICS EXPRESS
卷 18, 期 3, 页码 2309-2316出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.18.002309
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- Sunstones Biosciences Inc
The effects of the nanocrystal size on the emission spectra and decay rates of upconverting hexagonal NaYF4:Yb, Er nanocrystals are investigated. The influence of nanocrystal size is represented in terms of the surface area/volume ratio (SA/Vol). Our results show that a small nanocrystal size, or large SA/Vol ratio increases the decay rate, in particular, the green luminescence decay rate varies linearly with the SA/Vol ratio. (C) 2009 Optical Society of America
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