Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/43355
Title: Near-infrared-to-near-infrared down-shifting and upconversion luminescence of KY3F10 with single dopant of Nd3+ ion
Authors: Lin, H
Yu, T
Tsang, MK
Bai, G
Zhang, Q
Hao, J 
Issue Date: 2016
Source: Applied physics letters, 2016, v. 108, no. 4, 41902, p. 041902-1-041902-4
Abstract: We have studied the structural and near-infrared (NIR) luminescent properties of KY3F10 phosphors, singly doped with Nd3+ serving as both sensitizer and activator. With a single laser diode at the wavelength of 808 nm as a pump source, simultaneous NIR-to-NIR upconversion (UC) and down-shifting (DS) emissions are effectively achieved, due to the specific energy levels of Nd3+ dopant and the low phonon energy of the host. The luminescence mechanism related to energy transfer is discussed. The luminescence can be modulated through controlling he population of Nd3+:4F3/2 state in our experiment. Interestingly, both UC and DS emissions of the material fall within the dual biological window, suggesting that the prepared phosphors have potential applications in the bioimaging field.
Publisher: American Institute of Physics
Journal: Applied physics letters 
ISSN: 0003-6951
EISSN: 1077-3118
DOI: 10.1063/1.4940747
Rights: © 2016 AIP Publishing LLC.
This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in H. Lin et al., Appl. Phys. Lett. 108, 041902 (2016) and may be found at https://dx.doi.org/10.1063/1.4940747
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