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Tunable upconversion luminescence of monodisperse Y₂O₃: Er³⁺/Yb³⁺/Tm³⁺ nanoparticles

Lookup NU author(s): Dr Qibai Wu, Dr Yaodong WangORCiD

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Abstract

© 2017 Elsevier B.V.Monodisperse Y2O3: Er3+/Yb3+/Tm3+ nanoparticles with various dopant concentrations have been synthesized successfully by a homogeneous precipitation method. Their phase structures and surface morphologies have been characterized using X-ray diffraction (XRD) and scanning electron microscopy (SEM). The diversities of upconversion luminescence spectra and CIE coordinates of prepared samples are investigated in detail at room temperature under 980nm excitation. Through adjusting the concentrations of Yb3+, Tm3+ and Er3+ ions, three upconversion emission bands in red, green and blue region could be tunable to achieve the color of interest and near white light emission can be obtained in the tri-doped Y2O3 nanoparticles for a variety of application.

Publication metadata

Author(s): Wu Q, Lin S, Xie Z, Zhang L, Qian Y, Wang Y, Zhang H

Publication type: Article

Publication status: Published

Journal: Applied Surface Science

Year: 2017

Volume: 424

Issue: 2

Pages: 164-169

Print publication date: 01/12/2017

Online publication date: 20/02/2017

Acceptance date: 16/02/2017

ISSN (print): 0169-4332

ISSN (electronic): 1873-5584

Publisher: Elsevier BV

URL: https://doi.org/10.1016/j.apsusc.2017.02.136

DOI: 10.1016/j.apsusc.2017.02.136

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