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http://hdl.handle.net/10397/80024
Title: | Multi-band up-converted lasing behavior in NaYF4:Yb/Er nanocrystals | Authors: | Peng, YP Lu, W Ren, P Ni, Y Wang, Y Yan, P Zeng, YJ Zhang, W Ruan, S |
Issue Date: | 2018 | Source: | Nanomaterials, 2018, v. 8, no. 7, 497, p. 1-10 | Abstract: | Random lasers have attracted great interests and extensively investigation owing to their promising applications. Here, we explored unambiguously the multi-band up-converted random lasing from NaYF4:Yb,Er nanocrystals (NCs). NaYF4:Yb,Er NCs exhibit high effective up-conversion luminescence when they are excited by continuous wave 980 nm laser. We investigated a planar microcavities approach wherein the NaYF4:Yb,Er NCs showed up-converted lasing behavior. The optical pumping of NaYF4:Yb,Er NCs by 980 nm pulsed laser excitation exhibited multi-band lasing. The NaYF4:Yb,Er NCs showed multi-band lasing emission with a line width of 0.2 nm at 540 nm and 0.4 nm at 660 nm. This research promotes potential application in bioimaging and biomedical fields. | Keywords: | Nanomaterials Random laser Up-conversion |
Publisher: | Molecular Diversity Preservation International (MDPI) | Journal: | Nanomaterials | ISSN: | 2079-4991 | DOI: | 10.3390/nano8070497 | Rights: | © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). The following publication Peng, Y. -., Lu, W., Ren, P., Ni, Y., Wang, Y., Yan, P., . . . Ruan, S. (2018). Multi-band up-converted lasing behavior in NaYF4:Yb/Er nanocrystals. Nanomaterials, 8(7), 497, 1-10 is available at https://dx.doi.org/10.3390/nano8070497 |
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