Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/62084
Title: Effect of defect state on photon synergistic process in KLu2F7:Yb3+, Er3+ nanoparticles
Authors: Bian, W
Lu, W
Qi, Y
Yu, X
Zhou, D
Yang, Y
Qiu, J
Xu, X
Keywords: Ce3+ doping
Defects
Dual-wavelength
Synergistic effect
Issue Date: 2016
Publisher: Academic Press
Source: Journal of solid state chemistry, 2016, v. 242, p. 222-227 How to cite?
Journal: Journal of solid state chemistry 
Abstract: The synergistic effect appeared due to the cooperative dual-wavelength excitation by near-infrared (NIR) and ultraviolet (UV) light in rare-earth doped nano-particles (NPs) is very important to improve solar cell efficiency. Herein, we studied the synergistic effect combined with the energy levels of Er3+ ions and the defect states in KLu2F7 NPs. The introduction of Ce3+ ions in KLu2F7:16%Yb3+, 2%Er3+ NPs results in significant improvement of synergistic effect by producing more vacancy defects (VK ′) which serves as shallow traps. We verify unambiguously that the control of the defects distribution exerts a facile approach to promote the synergistic effect with the assistance of Ce3+ ions doping.
URI: http://hdl.handle.net/10397/62084
ISSN: 0022-4596 (Print)
1095-726X (online)
DOI: 10.1016/j.jssc.2016.07.028
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