Issue 32, 2015

Regulated morphology/phase structure and enhanced fluorescence in YF3:Eu3+,Bi3+via a facile method

Abstract

A simple and facile hydrothermal method has been developed to enhance the fluorescence performance of YF3:xEu3+,y%Bi3+ (x = 0–0.2, y = 0–1.5) by optimizing the concentration of Eu3+ and Bi3+ and regulating the morphology/phase structure by controlling the amount of HNO3. The evolutionary mechanisms of the micro-topography and microstructure of the samples have been proposed, and the fluorescence and decay properties of the samples have been investigated. It was found that the fluorescence intensity of the sample has been greatly enhanced after addition of an opportune amount of Bi3+. The optimum concentrations of Eu3+ and Bi3+ for fluorescence are x = 0.125 and y = 0.5%, respectively. The significant enhancement in fluorescence performance could be obtained in the sample with the desired morphology at the optimum volume of HNO3 (VHNO3 = 11 mL).

Graphical abstract: Regulated morphology/phase structure and enhanced fluorescence in YF3:Eu3+,Bi3+via a facile method

Article information

Article type
Paper
Submitted
31 May 2015
Accepted
30 Jun 2015
First published
07 Jul 2015

CrystEngComm, 2015,17, 6207-6218

Author version available

Regulated morphology/phase structure and enhanced fluorescence in YF3:Eu3+,Bi3+via a facile method

F. Lei, X. Zou, N. Jiang, Q. Zheng, K. H. Lam, L. Luo, Z. Ning and D. Lin, CrystEngComm, 2015, 17, 6207 DOI: 10.1039/C5CE01049G

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