Title: Synthesis and properties of Eu³⁺-doped LaPO₄ powders

Authors: Yuguo Yang

Addresses: New Materials Research Institute of Shandong Academy of Sciences, Jinan 250014, China

Abstract: Eu³⁺-doped LaPO₄ powders were produced from direct liquid-liquid reaction of lanthanum chloride (LaCl₃) and ammonium phosphate ((NH₄)₂HPO₄). The sample was characterised by XRD and FTIR, which reveal that there is a phase transformation after the heat-treatment at 700°C. The optical properties of Eu³⁺-doped LaPO₄ powders were investigated. Meanwhile, the influence of the dosage concentration of Eu³⁺ on the luminescent properties was studied. When above 5 mol%, the luminescence intensity decreases.

Keywords: Eu3+; LaPO4; phosphors; X-ray diffraction; XRD; FTIR; luminescence intensity; lanthanum chloride; ammonium phosphate; optical properties.

DOI: 10.1504/IJNM.2013.055139

International Journal of Nanomanufacturing, 2013 Vol.9 No.2, pp.130 - 136

Received: 07 Nov 2012
Accepted: 07 Jan 2013
Published online: 31 Mar 2014 *

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