IR-Emitting Luminescence Properties of CaNb2O6:Yb, Er, Ho

CaNb 2 O 6 :Yb, Er, Ho phosphors are prepared by a solid-state reaction. The optical properties, X‑ray diffraction (XRD) patterns, and luminescence mechanism of the phosphors are discussed. The samples are found to be single phases. The CaNb 2 O 6 :Yb, Er, Ho phosphor has IR emission under 940-nm ex...

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Bibliographic Details
Published inRussian journal of inorganic chemistry Vol. 66; no. 6; pp. 938 - 942
Main Authors Moskvitina, E. A., Vorobiev, V. A.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.06.2021
Springer Nature B.V
Subjects
Chemistry
Chemistry and Materials Science
Diffraction patterns
Energy transfer
Erbium
Inorganic Chemistry
Inorganic Materials and Nanomaterials
Luminescence
Maxima
Optical properties
Phosphors
Ytterbium
niobate
solid-state reaction
phosphor
luminescence
CaNb
O
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Summary:CaNb 2 O 6 :Yb, Er, Ho phosphors are prepared by a solid-state reaction. The optical properties, X‑ray diffraction (XRD) patterns, and luminescence mechanism of the phosphors are discussed. The samples are found to be single phases. The CaNb 2 O 6 :Yb, Er, Ho phosphor has IR emission under 940-nm excitation. Its IR luminescence spectrum consists of four bands with maxima at 1010, 1200, 1540, and 2070 nm. Energy transfer between activators is observed and analyzed via luminescence properties. The optimal concentrations of CaNb 2 O 6 : x Yb, y Er, z Ho phosphor at which the maximum luminescence intensity is achieved in the region of 2 μm are x = 15 mol %, y = 7 mol %, and z = 1 mol %.
ISSN:0036-0236
1531-8613
DOI:10.1134/S0036023621060140