Separation and phase transition investigation of Yb3+/Er3+ co-doped NaYF4 nanoparticles

Sha Song; Yun Kuang; Junfeng Liu; Qing Yang; Liang Luo; Xiaoming Sun

doi:10.1039/C3DT51652K

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Separation and phase transition investigation of Yb³⁺/Er³⁺ co-doped NaYF₄ nanoparticles†

Sha Song,^a Yun Kuang,^a Junfeng Liu,^a Qing Yang,^b Liang Luo*^a and Xiaoming Sun*^a

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* Corresponding authors

^a State Key Laboratory of Chemical Resource Engineering, P.O. Box 98, Beijing University of Chemical Technology, Beijing 100029, P. R. China
E-mail: luoliang@mail.buct.edu.cn, sunxm@mail.buct.edu.cn

^b Department of Clinic Veterinary Medicine, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, P. R. China

Abstract

Density gradient ultracentrifuge separation was employed to study the phase transition of Yb³⁺/Er³⁺ co-doped NaYF₄ from α-phase to β-phase. It was found that the cubic α-phased NaYF₄ was rich in Y, exhibited predominantly red luminescence, whilst the newly formed hexagonal β-phased NaYF₄ had relatively higher Yb and Er atomic ratios, exhibited green luminescence most strongly.

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Article information

DOI: https://doi.org/10.1039/C3DT51652K
Article type: Communication
Submitted: 20 Jun 2013
Accepted: 16 Jul 2013
First published: 16 Jul 2013

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Dalton Trans., 2013,42, 13315-13318

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Separation and phase transition investigation of Yb³⁺/Er³⁺ co-doped NaYF₄ nanoparticles

S. Song, Y. Kuang, J. Liu, Q. Yang, L. Luo and X. Sun, Dalton Trans., 2013, 42, 13315 DOI: 10.1039/C3DT51652K

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Dalton Transactions