Journal
MATERIALS LETTERS
Volume 356, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2023.135625
Keywords
Molybdates; Solid-state methods; Structure; Luminescence
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This study explores the impact of synthesis method and composition on the structure and luminescence properties of K5Eu1-xHox(MoO4)4 with the palmierite-type matrix. The co-doping of Eu3+ and Ho3+ ions plays a critical role in manipulating charge transfer and luminescence efficiency in the visible and infrared regions.
The palmierite-type matrix with lanthanides is capable of producing customizable multicolored emission, and has characteristics such as long service life and high energy efficiency. This research explored the impact of synthesis method and composition on structural and luminescence properties of K5Eu1-xHox(MoO4)4 with the palmierite-type structure. Two modifications with space group (SG) R 3m (alpha-phase) and C2/m (beta-phase) were observed and characterized. This study underscores the critical role of co-doping of Eu3+ and Ho3+ cations in manipulating charge transfer and luminescence efficiency in visible and IR region. The existence of 5D0 -> 7F0 transition in the PL spectra indicates stable local environment of Eu3+ cations regardless of synthesis conditions.
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