Optical properties of yellow-light-emitting LiZnVO4:Eu3+ phosphor prepared by sol–gel method
Source abstract
Abstract
Europium-doped nanocrystals of lithium zinc vanadium oxide (LiZnVO4) prepared via the sol–gel method are characterized. The X-ray power diffraction results reveal that a pure phase is obtained at 500 °C. The photoluminescence spectra of LiZnVO4:xEu (x = 7 mol%) exhibit emission peaks at 526, 597 and 620 nm. The emission shifts from bluish-green to yellow when the doping concentration is increased from 0 to 7 mol%, due to the emission peak at 620 nm from the 5D0 → 7F2 transition, which originated from charge transfer transitions from VO43− to Eu3+ ions.
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Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Gas Sensing Nanomaterials and Sensors
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