Evaluation of structural and spectroscopic results of tetragonal tungsten bronze MTa2O6:Eu3+ (M = Sr, Ba, Pb) phosphors and comparison on the basis of Judd-Ofelt parameters

Mustafa İlhan,Mehmet İsmail Katı,İlker Çetin Keskin,Lütfiye Feray Güleryüz

Journal of Alloys and Compounds（2022）

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摘要

•The optical and structural results of MTa2O6:Eu3+ (M = Sr, Ba, Pb) were presented.•The highly coordinated A, and B sites of TTB caused the CTB to shift to low energy.•The spectral properties of TTB-MTa2O6:Eu3+ (M = Sr, Ba, Pb) were compared by JO theory.•The trending order (Ω2> Ω4) is SrTa2O6:Eu3+>BaTa2O6:Eu3+>PbTa2O6:Eu3+.

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关键词

TTB,Judd-Ofelt analysis,Decay time,Charge transfer band

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