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Articles

The preparation and fluorescence properties of Sr2AMg2-xZnx(VO4)3 (A = Li, Na, K) self activated phosphor

, , , , , & show all
Pages 191-197 | Received 14 Oct 2018, Accepted 03 Feb 2019, Published online: 10 Sep 2019
 

Abstract

A series of novel self-activated Sr2AMg2-xZnx(VO4)3 (A = Li, Na, K) phosphors were synthesized by high temperature solid-phase method under normal ambient air and their luminescent properties were investigated. To determine the suitable parameters, surface morphology, fluorescence properties and crystal structure of the phosphors were explored by changing the calcination time, calcination temperature, molar ratio of Mg2+ ions to Zn2+ ions and kinds of alkali metals. The experimental results indicated that this phosphor could produce strong green light under the excitation of near ultraviolet light when the calcination temperature was 600 °C, the holding time was 5 h, the mole ratio of Mg2+ ions to Zn2+ ions was 2:0 and the alkali metal ions were Li+ ions. It can be used in white light LED but not belong to a single matrix phosphor.

Additional information

Funding

The authors gratefully acknowledge the financial support by Natural Science Foundation of Heilongjiang Province, China (E2015058) and the National Natural Science Foundation of China (Nos. 51602082).

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