Fabrication and Luminescent Properties of Er-Doped Sr5(PO4)3F Ceramics

Author:

Permin Dmitry12ORCID,Nazmutdinov Marsel1,Kurashkin Sergey12,Balabanov Stanislav12ORCID,Belyaev Alexander12,Novikova Anastasia2,Koshkin Vitaliy12

Affiliation:

1. Faculty of Chemistry, N.I. Lobachevsky National Research University, 23 Gagarin Ave., 603022 Nizhny Novgorod, Russia

2. G.G. Devyatykh Institute of Chemistry of High-Purity Substances, Russian Academy of Sciences, 49 Tropinin Str., 603137 Nizhny Novgorod, Russia

Abstract

Nanopowders of strontium fluoroapatite Sr5(PO4)3F (SFAP) were synthesized using a co-precipitation method with different starting strontium compounds. Based on the data of XRD, BET and SEM measurements, the nitrate-derived powders were chosen as the least agglomerated. The SFAP powders were hot pressed at 1000 °C to ceramic samples with a transmittance up to 82% in a mid-IR region. The designed approach was adopted to prepare 2 mol % of Er-doped SFAP powders and ceramics. It was established that Er:SFAP ceramics have luminescence in the range of 1.5–1.7 μm, the intensity of which increases with the calcination temperature of the initial powders.

Funder

This research was funded with the "Priority 2030" program at the N.I. Lobachevsky National Research University

Publisher

MDPI AG

Subject

Inorganic Chemistry

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