METHOD FOR SYNTHESIS OF YTTRIUM ORTHOVANADATE-BASED PHOSPHOR Russian patent published in 2015 - IPC C09K11/78 C09K11/82 

Abstract RU 2548089 C1

FIELD: chemistry.

SUBSTANCE: invention can be used to produce luminescent light sources, luminescent panels, screens, displays and optical quantum generators. Vanadium (V) oxide is dissolved in 10% NaOH solution. A stoichiometric amount of a precursor solution - Y(NO3)3·6H2O is added to the obtained solution, followed by a second precursor - Eu(NO3)3·6H2O, in concentration of 1-8 at%, followed by exposure to microwave radiation with power of 700 W for 10 min. The mixture is cooled to room temperature. The precipitate is separated, dried and annealed at 800°C for 2 hours.

EFFECT: yttrium orthovanadate-based phosphor has luminescence intensity of up to 34000 arbitrary units.

3 dwg, 2 ex

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RU 2 548 089 C1

Authors

Tomina Elena Viktorovna

Mittova Irina Jakovlevna

Burtseva Nina Aleksandrovna

Sladkopevtsev Boris Vladimirovich

Dates

2015-04-10Published

2013-11-12Filed