Luminescence properties of Nd3+-doped LaF3 nanocrystals with a long lifetime in organic solvents

Wenxiu Sun; Xiaoxia Cui; Zhongyue Wang; Wei Wei; Bo Peng

doi:10.1039/C2JM15891D

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Luminescence properties of Nd³⁺-doped LaF₃nanocrystals with a long lifetime in organic solvents†

Wenxiu Sun,^a Xiaoxia Cui,*^b Zhongyue Wang,^a Wei Wei*^ab and Bo Peng^ab

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* Corresponding authors

^a Institute of Advanced Materials, Nanjing University of Posts and Telecommunications, Nanjing 210046, P.R. China
E-mail: weiwei@njupt.edu.cn
Fax: (+86)25-83492256
Tel: (+86)25-83492256

^b State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science (CAS), Xi'an, Shaanxi 710119, P.R. China
E-mail: cuixx@opt.ac.cn
Fax: (+86)29-8888-7553
Tel: (+86)29-8888-7505

Abstract

A kind of monodisperse LaF₃:Nd nanocrystal with a small size and long lifetime in solvent was synthesized via a hydrothermal process. The crystalline phase, morphology, and luminescence properties were characterized using X-ray diffraction (XRD), transmission electron microscopy (TEM), emission spectroscopy as well as dynamic decays. The results indicated that LaF₃:Nd nanocrystals with a size below 30 nm have great dispersity in various solvents. An excellent lifetime of 359 μs was detected in a transparent DMSO–tetrabromoethane dispersion. It suggested that these nanocrystals could have great applications in biological and optical amplification fields.

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Article information

DOI: https://doi.org/10.1039/C2JM15891D
Article type: Paper
Submitted: 15 Nov 2011
Accepted: 05 Feb 2012
First published: 29 Feb 2012

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J. Mater. Chem., 2012,22, 6990-6993

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Luminescence properties of Nd³⁺-doped LaF₃ nanocrystals with a long lifetime in organic solvents

W. Sun, X. Cui, Z. Wang, W. Wei and B. Peng, J. Mater. Chem., 2012, 22, 6990 DOI: 10.1039/C2JM15891D

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Journal of Materials Chemistry